From bff385558f8bc49663c68aa9f21fc6b629f38cb1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Piotr=20O=C5=BCarowski?= Date: Tue, 11 Aug 2020 13:51:38 +0100 Subject: [PATCH] Import asyncpg_0.21.0.orig.tar.gz [dgit import orig asyncpg_0.21.0.orig.tar.gz] --- .flake8 | 3 + LICENSE | 204 + MANIFEST.in | 5 + Makefile | 45 + PKG-INFO | 121 + README.rst | 90 + asyncpg.egg-info/PKG-INFO | 121 + asyncpg.egg-info/SOURCES.txt | 125 + asyncpg.egg-info/dependency_links.txt | 1 + asyncpg.egg-info/not-zip-safe | 1 + asyncpg.egg-info/requires.txt | 24 + asyncpg.egg-info/top_level.txt | 1 + asyncpg/__init__.py | 34 + asyncpg/_testbase/__init__.py | 432 + asyncpg/_testbase/fuzzer.py | 300 + asyncpg/cluster.py | 685 + asyncpg/compat.py | 92 + asyncpg/connect_utils.py | 743 + asyncpg/connection.py | 1970 + asyncpg/connresource.py | 44 + asyncpg/cursor.py | 260 + asyncpg/exceptions/__init__.py | 1182 + asyncpg/exceptions/_base.py | 271 + asyncpg/introspection.py | 158 + asyncpg/pgproto/__init__.pxd | 5 + asyncpg/pgproto/__init__.py | 5 + asyncpg/pgproto/buffer.pxd | 134 + asyncpg/pgproto/buffer.pyx | 800 + asyncpg/pgproto/codecs/__init__.pxd | 146 + asyncpg/pgproto/codecs/bits.pyx | 47 + asyncpg/pgproto/codecs/bytea.pyx | 34 + asyncpg/pgproto/codecs/context.pyx | 14 + asyncpg/pgproto/codecs/datetime.pyx | 428 + asyncpg/pgproto/codecs/float.pyx | 34 + asyncpg/pgproto/codecs/geometry.pyx | 164 + asyncpg/pgproto/codecs/hstore.pyx | 73 + asyncpg/pgproto/codecs/int.pyx | 118 + asyncpg/pgproto/codecs/json.pyx | 29 + asyncpg/pgproto/codecs/misc.pyx | 16 + asyncpg/pgproto/codecs/network.pyx | 139 + asyncpg/pgproto/codecs/numeric.pyx | 341 + asyncpg/pgproto/codecs/text.pyx | 48 + asyncpg/pgproto/codecs/tid.pyx | 51 + asyncpg/pgproto/codecs/txid.pyx | 61 + asyncpg/pgproto/codecs/uuid.pyx | 27 + asyncpg/pgproto/consts.pxi | 12 + asyncpg/pgproto/cpythonx.pxd | 22 + asyncpg/pgproto/debug.h | 3 + asyncpg/pgproto/debug.pxd | 10 + asyncpg/pgproto/exceptions.py | 9 + asyncpg/pgproto/frb.pxd | 49 + asyncpg/pgproto/frb.pyx | 12 + asyncpg/pgproto/hton.h | 241 + asyncpg/pgproto/hton.pxd | 24 + asyncpg/pgproto/pgproto.c | 42418 +++++++++++ asyncpg/pgproto/pgproto.pxd | 19 + asyncpg/pgproto/pgproto.pyx | 48 + asyncpg/pgproto/tohex.h | 54 + asyncpg/pgproto/tohex.pxd | 10 + asyncpg/pgproto/types.py | 376 + asyncpg/pgproto/uuid.pyx | 339 + asyncpg/pool.py | 911 + asyncpg/prepared_stmt.py | 227 + asyncpg/protocol/__init__.py | 8 + asyncpg/protocol/codecs/__init__.py | 0 asyncpg/protocol/codecs/array.pyx | 885 + asyncpg/protocol/codecs/base.pxd | 170 + asyncpg/protocol/codecs/base.pyx | 816 + asyncpg/protocol/codecs/pgproto.pyx | 441 + asyncpg/protocol/codecs/range.pyx | 149 + asyncpg/protocol/codecs/record.pyx | 60 + asyncpg/protocol/codecs/textutils.pyx | 99 + asyncpg/protocol/consts.pxi | 10 + asyncpg/protocol/coreproto.pxd | 186 + asyncpg/protocol/coreproto.pyx | 1036 + asyncpg/protocol/cpythonx.pxd | 19 + asyncpg/protocol/encodings.pyx | 63 + asyncpg/protocol/pgtypes.pxi | 220 + asyncpg/protocol/prepared_stmt.pxd | 35 + asyncpg/protocol/prepared_stmt.pyx | 349 + asyncpg/protocol/protocol.c | 90353 ++++++++++++++++++++++++ asyncpg/protocol/protocol.pxd | 77 + asyncpg/protocol/protocol.pyx | 966 + asyncpg/protocol/record/__init__.pxd | 19 + asyncpg/protocol/record/recordobj.c | 961 + asyncpg/protocol/record/recordobj.h | 52 + asyncpg/protocol/scram.pxd | 31 + asyncpg/protocol/scram.pyx | 348 + asyncpg/protocol/settings.pxd | 29 + asyncpg/protocol/settings.pyx | 109 + asyncpg/serverversion.py | 57 + asyncpg/transaction.py | 237 + asyncpg/types.py | 144 + asyncpg/utils.py | 45 + docs/api/index.rst | 345 + docs/conf.py | 107 + docs/faq.rst | 78 + docs/index.rst | 29 + docs/installation.rst | 59 + docs/usage.rst | 411 + performance.png | Bin 0 -> 18433 bytes setup.cfg | 4 + setup.py | 298 + tests/__init__.py | 23 + tests/certs/ca.cert.pem | 35 + tests/certs/server.cert.pem | 40 + tests/certs/server.key.pem | 51 + tests/test__environment.py | 41 + tests/test__sourcecode.py | 40 + tests/test_adversity.py | 73 + tests/test_cache_invalidation.py | 390 + tests/test_cancellation.py | 96 + tests/test_codecs.py | 1785 + tests/test_connect.py | 1289 + tests/test_copy.py | 680 + tests/test_cursor.py | 151 + tests/test_exceptions.py | 50 + tests/test_execute.py | 153 + tests/test_introspection.py | 177 + tests/test_listeners.py | 316 + tests/test_pool.py | 1003 + tests/test_prepare.py | 602 + tests/test_record.py | 341 + tests/test_test.py | 46 + tests/test_timeout.py | 154 + tests/test_transaction.py | 181 + tests/test_utils.py | 37 + 127 files changed, 161469 insertions(+) create mode 100644 .flake8 create mode 100644 LICENSE create mode 100644 MANIFEST.in create mode 100644 Makefile create mode 100644 PKG-INFO create mode 100644 README.rst create mode 100644 asyncpg.egg-info/PKG-INFO create mode 100644 asyncpg.egg-info/SOURCES.txt create mode 100644 asyncpg.egg-info/dependency_links.txt create mode 100644 asyncpg.egg-info/not-zip-safe create mode 100644 asyncpg.egg-info/requires.txt create mode 100644 asyncpg.egg-info/top_level.txt create mode 100644 asyncpg/__init__.py create mode 100644 asyncpg/_testbase/__init__.py create mode 100644 asyncpg/_testbase/fuzzer.py create mode 100644 asyncpg/cluster.py create mode 100644 asyncpg/compat.py create mode 100644 asyncpg/connect_utils.py create mode 100644 asyncpg/connection.py create mode 100644 asyncpg/connresource.py create mode 100644 asyncpg/cursor.py create mode 100644 asyncpg/exceptions/__init__.py create mode 100644 asyncpg/exceptions/_base.py create mode 100644 asyncpg/introspection.py create mode 100644 asyncpg/pgproto/__init__.pxd create mode 100644 asyncpg/pgproto/__init__.py create mode 100644 asyncpg/pgproto/buffer.pxd create mode 100644 asyncpg/pgproto/buffer.pyx create mode 100644 asyncpg/pgproto/codecs/__init__.pxd create mode 100644 asyncpg/pgproto/codecs/bits.pyx create mode 100644 asyncpg/pgproto/codecs/bytea.pyx create mode 100644 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100644 asyncpg/pgproto/frb.pyx create mode 100644 asyncpg/pgproto/hton.h create mode 100644 asyncpg/pgproto/hton.pxd create mode 100644 asyncpg/pgproto/pgproto.c create mode 100644 asyncpg/pgproto/pgproto.pxd create mode 100644 asyncpg/pgproto/pgproto.pyx create mode 100644 asyncpg/pgproto/tohex.h create mode 100644 asyncpg/pgproto/tohex.pxd create mode 100644 asyncpg/pgproto/types.py create mode 100644 asyncpg/pgproto/uuid.pyx create mode 100644 asyncpg/pool.py create mode 100644 asyncpg/prepared_stmt.py create mode 100644 asyncpg/protocol/__init__.py create mode 100644 asyncpg/protocol/codecs/__init__.py create mode 100644 asyncpg/protocol/codecs/array.pyx create mode 100644 asyncpg/protocol/codecs/base.pxd create mode 100644 asyncpg/protocol/codecs/base.pyx create mode 100644 asyncpg/protocol/codecs/pgproto.pyx create mode 100644 asyncpg/protocol/codecs/range.pyx create mode 100644 asyncpg/protocol/codecs/record.pyx create mode 100644 asyncpg/protocol/codecs/textutils.pyx create mode 100644 asyncpg/protocol/consts.pxi create mode 100644 asyncpg/protocol/coreproto.pxd create mode 100644 asyncpg/protocol/coreproto.pyx create mode 100644 asyncpg/protocol/cpythonx.pxd create mode 100644 asyncpg/protocol/encodings.pyx create mode 100644 asyncpg/protocol/pgtypes.pxi create mode 100644 asyncpg/protocol/prepared_stmt.pxd create mode 100644 asyncpg/protocol/prepared_stmt.pyx create mode 100644 asyncpg/protocol/protocol.c create mode 100644 asyncpg/protocol/protocol.pxd create mode 100644 asyncpg/protocol/protocol.pyx create mode 100644 asyncpg/protocol/record/__init__.pxd create mode 100644 asyncpg/protocol/record/recordobj.c create mode 100644 asyncpg/protocol/record/recordobj.h create mode 100644 asyncpg/protocol/scram.pxd create mode 100644 asyncpg/protocol/scram.pyx create mode 100644 asyncpg/protocol/settings.pxd create mode 100644 asyncpg/protocol/settings.pyx create mode 100644 asyncpg/serverversion.py create mode 100644 asyncpg/transaction.py create mode 100644 asyncpg/types.py create mode 100644 asyncpg/utils.py create mode 100644 docs/api/index.rst create mode 100644 docs/conf.py create mode 100644 docs/faq.rst create mode 100644 docs/index.rst create mode 100644 docs/installation.rst create mode 100644 docs/usage.rst create mode 100644 performance.png create mode 100644 setup.cfg create mode 100644 setup.py create mode 100644 tests/__init__.py create mode 100644 tests/certs/ca.cert.pem create mode 100644 tests/certs/server.cert.pem create mode 100644 tests/certs/server.key.pem create mode 100644 tests/test__environment.py create mode 100644 tests/test__sourcecode.py create mode 100644 tests/test_adversity.py create mode 100644 tests/test_cache_invalidation.py create mode 100644 tests/test_cancellation.py create mode 100644 tests/test_codecs.py create mode 100644 tests/test_connect.py create mode 100644 tests/test_copy.py create mode 100644 tests/test_cursor.py create mode 100644 tests/test_exceptions.py create mode 100644 tests/test_execute.py create mode 100644 tests/test_introspection.py create mode 100644 tests/test_listeners.py create mode 100644 tests/test_pool.py create mode 100644 tests/test_prepare.py create mode 100644 tests/test_record.py create mode 100644 tests/test_test.py create mode 100644 tests/test_timeout.py create mode 100644 tests/test_transaction.py create mode 100644 tests/test_utils.py diff --git a/.flake8 b/.flake8 new file mode 100644 index 0000000..7cf64d1 --- /dev/null +++ b/.flake8 @@ -0,0 +1,3 @@ +[flake8] +ignore = E402,E731,W504,E252 +exclude = .git,__pycache__,build,dist,.eggs,.github,.local diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..d931386 --- /dev/null +++ b/LICENSE @@ -0,0 +1,204 @@ +Copyright (C) 2016-present the asyncpg authors and contributors. + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright (C) 2016-present the asyncpg authors and contributors + + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/MANIFEST.in b/MANIFEST.in new file mode 100644 index 0000000..08be0d4 --- /dev/null +++ b/MANIFEST.in @@ -0,0 +1,5 @@ +recursive-include docs *.py *.rst +recursive-include examples *.py +recursive-include tests *.py *.pem +recursive-include asyncpg *.pyx *.pxd *.pxi *.py *.c *.h +include LICENSE README.rst Makefile performance.png .flake8 diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..d1033b6 --- /dev/null +++ b/Makefile @@ -0,0 +1,45 @@ +.PHONY: compile debug test quicktest clean all + + +PYTHON ?= python +ROOT = $(dir $(realpath $(firstword $(MAKEFILE_LIST)))) + + +all: compile + + +clean: + rm -fr dist/ doc/_build/ + rm -fr asyncpg/pgproto/*.c asyncpg/pgproto/*.html + rm -fr asyncpg/pgproto/codecs/*.html + rm -fr asyncpg/protocol/*.c asyncpg/protocol/*.html + rm -fr asyncpg/protocol/*.so build *.egg-info + rm -fr asyncpg/protocol/codecs/*.html + find . -name '__pycache__' | xargs rm -rf + + +compile: + $(PYTHON) setup.py build_ext --inplace --cython-always + + +debug: + ASYNCPG_DEBUG=1 $(PYTHON) setup.py build_ext --inplace + + +test: + PYTHONASYNCIODEBUG=1 $(PYTHON) setup.py test + $(PYTHON) setup.py test + USE_UVLOOP=1 $(PYTHON) setup.py test + + +testinstalled: + cd /tmp && $(PYTHON) $(ROOT)/tests/__init__.py + + +quicktest: + $(PYTHON) setup.py test + + +htmldocs: + $(PYTHON) setup.py build_ext --inplace + $(MAKE) -C docs html diff --git a/PKG-INFO b/PKG-INFO new file mode 100644 index 0000000..4df806e --- /dev/null +++ b/PKG-INFO @@ -0,0 +1,121 @@ +Metadata-Version: 2.1 +Name: asyncpg +Version: 0.21.0 +Summary: An asyncio PostgreSQL driver +Home-page: https://github.com/MagicStack/asyncpg +Author: MagicStack Inc +Author-email: hello@magic.io +License: Apache License, Version 2.0 +Description: asyncpg -- A fast PostgreSQL Database Client Library for Python/asyncio + ======================================================================= + + .. image:: https://travis-ci.org/MagicStack/asyncpg.svg?branch=master + :target: https://travis-ci.org/MagicStack/asyncpg + + .. image:: https://ci.appveyor.com/api/projects/status/9rwppnxphgc8bqoj/branch/master?svg=true + :target: https://ci.appveyor.com/project/magicstack/asyncpg + + .. image:: https://img.shields.io/pypi/v/asyncpg.svg + :target: https://pypi.python.org/pypi/asyncpg + + **asyncpg** is a database interface library designed specifically for + PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation + of PostgreSQL server binary protocol for use with Python's ``asyncio`` + framework. You can read more about asyncpg in an introductory + `blog post `_. + + asyncpg requires Python 3.5 or later and is supported for PostgreSQL + versions 9.2 to 12. + + + Documentation + ------------- + + The project documentation can be found + `here `_. + + + Performance + ----------- + + In our testing asyncpg is, on average, **3x** faster than psycopg2 + (and its asyncio variant -- aiopg). + + .. image:: performance.png + :target: http://magic.io/blog/asyncpg-1m-rows-from-postgres-to-python/ + + The above results are a geometric mean of benchmarks obtained with PostgreSQL + `client driver benchmarking toolbench `_. + + + Features + -------- + + asyncpg implements PostgreSQL server protocol natively and exposes its + features directly, as opposed to hiding them behind a generic facade + like DB-API. + + This enables asyncpg to have easy-to-use support for: + + * **prepared statements** + * **scrollable cursors** + * **partial iteration** on query results + * automatic encoding and decoding of composite types, arrays, + and any combination of those + * straightforward support for custom data types + + + Installation + ------------ + + asyncpg is available on PyPI and has no dependencies. + Use pip to install:: + + $ pip install asyncpg + + + Basic Usage + ----------- + + .. code-block:: python + + import asyncio + import asyncpg + + async def run(): + conn = await asyncpg.connect(user='user', password='password', + database='database', host='127.0.0.1') + values = await conn.fetch('''SELECT * FROM mytable''') + await conn.close() + + loop = asyncio.get_event_loop() + loop.run_until_complete(run()) + + + License + ------- + + asyncpg is developed and distributed under the Apache 2.0 license. + +Platform: macOS +Platform: POSIX +Platform: Windows +Classifier: Development Status :: 5 - Production/Stable +Classifier: Framework :: AsyncIO +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Operating System :: POSIX +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: Microsoft :: Windows +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Topic :: Database :: Front-Ends +Provides: asyncpg +Requires-Python: >=3.5.0 +Provides-Extra: docs +Provides-Extra: test +Provides-Extra: dev diff --git a/README.rst b/README.rst new file mode 100644 index 0000000..fac5744 --- /dev/null +++ b/README.rst @@ -0,0 +1,90 @@ +asyncpg -- A fast PostgreSQL Database Client Library for Python/asyncio +======================================================================= + +.. image:: https://travis-ci.org/MagicStack/asyncpg.svg?branch=master + :target: https://travis-ci.org/MagicStack/asyncpg + +.. image:: https://ci.appveyor.com/api/projects/status/9rwppnxphgc8bqoj/branch/master?svg=true + :target: https://ci.appveyor.com/project/magicstack/asyncpg + +.. image:: https://img.shields.io/pypi/v/asyncpg.svg + :target: https://pypi.python.org/pypi/asyncpg + +**asyncpg** is a database interface library designed specifically for +PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation +of PostgreSQL server binary protocol for use with Python's ``asyncio`` +framework. You can read more about asyncpg in an introductory +`blog post `_. + +asyncpg requires Python 3.5 or later and is supported for PostgreSQL +versions 9.2 to 12. + + +Documentation +------------- + +The project documentation can be found +`here `_. + + +Performance +----------- + +In our testing asyncpg is, on average, **3x** faster than psycopg2 +(and its asyncio variant -- aiopg). + +.. image:: performance.png + :target: http://magic.io/blog/asyncpg-1m-rows-from-postgres-to-python/ + +The above results are a geometric mean of benchmarks obtained with PostgreSQL +`client driver benchmarking toolbench `_. + + +Features +-------- + +asyncpg implements PostgreSQL server protocol natively and exposes its +features directly, as opposed to hiding them behind a generic facade +like DB-API. + +This enables asyncpg to have easy-to-use support for: + +* **prepared statements** +* **scrollable cursors** +* **partial iteration** on query results +* automatic encoding and decoding of composite types, arrays, + and any combination of those +* straightforward support for custom data types + + +Installation +------------ + +asyncpg is available on PyPI and has no dependencies. +Use pip to install:: + + $ pip install asyncpg + + +Basic Usage +----------- + +.. code-block:: python + + import asyncio + import asyncpg + + async def run(): + conn = await asyncpg.connect(user='user', password='password', + database='database', host='127.0.0.1') + values = await conn.fetch('''SELECT * FROM mytable''') + await conn.close() + + loop = asyncio.get_event_loop() + loop.run_until_complete(run()) + + +License +------- + +asyncpg is developed and distributed under the Apache 2.0 license. diff --git a/asyncpg.egg-info/PKG-INFO b/asyncpg.egg-info/PKG-INFO new file mode 100644 index 0000000..4df806e --- /dev/null +++ b/asyncpg.egg-info/PKG-INFO @@ -0,0 +1,121 @@ +Metadata-Version: 2.1 +Name: asyncpg +Version: 0.21.0 +Summary: An asyncio PostgreSQL driver +Home-page: https://github.com/MagicStack/asyncpg +Author: MagicStack Inc +Author-email: hello@magic.io +License: Apache License, Version 2.0 +Description: asyncpg -- A fast PostgreSQL Database Client Library for Python/asyncio + ======================================================================= + + .. image:: https://travis-ci.org/MagicStack/asyncpg.svg?branch=master + :target: https://travis-ci.org/MagicStack/asyncpg + + .. image:: https://ci.appveyor.com/api/projects/status/9rwppnxphgc8bqoj/branch/master?svg=true + :target: https://ci.appveyor.com/project/magicstack/asyncpg + + .. image:: https://img.shields.io/pypi/v/asyncpg.svg + :target: https://pypi.python.org/pypi/asyncpg + + **asyncpg** is a database interface library designed specifically for + PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation + of PostgreSQL server binary protocol for use with Python's ``asyncio`` + framework. You can read more about asyncpg in an introductory + `blog post `_. + + asyncpg requires Python 3.5 or later and is supported for PostgreSQL + versions 9.2 to 12. + + + Documentation + ------------- + + The project documentation can be found + `here `_. + + + Performance + ----------- + + In our testing asyncpg is, on average, **3x** faster than psycopg2 + (and its asyncio variant -- aiopg). + + .. image:: performance.png + :target: http://magic.io/blog/asyncpg-1m-rows-from-postgres-to-python/ + + The above results are a geometric mean of benchmarks obtained with PostgreSQL + `client driver benchmarking toolbench `_. + + + Features + -------- + + asyncpg implements PostgreSQL server protocol natively and exposes its + features directly, as opposed to hiding them behind a generic facade + like DB-API. + + This enables asyncpg to have easy-to-use support for: + + * **prepared statements** + * **scrollable cursors** + * **partial iteration** on query results + * automatic encoding and decoding of composite types, arrays, + and any combination of those + * straightforward support for custom data types + + + Installation + ------------ + + asyncpg is available on PyPI and has no dependencies. + Use pip to install:: + + $ pip install asyncpg + + + Basic Usage + ----------- + + .. code-block:: python + + import asyncio + import asyncpg + + async def run(): + conn = await asyncpg.connect(user='user', password='password', + database='database', host='127.0.0.1') + values = await conn.fetch('''SELECT * FROM mytable''') + await conn.close() + + loop = asyncio.get_event_loop() + loop.run_until_complete(run()) + + + License + ------- + + asyncpg is developed and distributed under the Apache 2.0 license. + +Platform: macOS +Platform: POSIX +Platform: Windows +Classifier: Development Status :: 5 - Production/Stable +Classifier: Framework :: AsyncIO +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Operating System :: POSIX +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: Microsoft :: Windows +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Topic :: Database :: Front-Ends +Provides: asyncpg +Requires-Python: >=3.5.0 +Provides-Extra: docs +Provides-Extra: test +Provides-Extra: dev diff --git a/asyncpg.egg-info/SOURCES.txt b/asyncpg.egg-info/SOURCES.txt new file mode 100644 index 0000000..349778e --- /dev/null +++ b/asyncpg.egg-info/SOURCES.txt @@ -0,0 +1,125 @@ +.flake8 +LICENSE +MANIFEST.in +Makefile +README.rst +performance.png +setup.py +asyncpg/__init__.py +asyncpg/cluster.py +asyncpg/compat.py +asyncpg/connect_utils.py +asyncpg/connection.py +asyncpg/connresource.py +asyncpg/cursor.py +asyncpg/introspection.py +asyncpg/pool.py +asyncpg/prepared_stmt.py +asyncpg/serverversion.py +asyncpg/transaction.py +asyncpg/types.py +asyncpg/utils.py +asyncpg.egg-info/PKG-INFO +asyncpg.egg-info/SOURCES.txt +asyncpg.egg-info/dependency_links.txt +asyncpg.egg-info/not-zip-safe +asyncpg.egg-info/requires.txt +asyncpg.egg-info/top_level.txt +asyncpg/_testbase/__init__.py +asyncpg/_testbase/fuzzer.py +asyncpg/exceptions/__init__.py +asyncpg/exceptions/_base.py +asyncpg/pgproto/__init__.pxd +asyncpg/pgproto/__init__.py +asyncpg/pgproto/buffer.pxd +asyncpg/pgproto/buffer.pyx +asyncpg/pgproto/consts.pxi +asyncpg/pgproto/cpythonx.pxd +asyncpg/pgproto/debug.h +asyncpg/pgproto/debug.pxd +asyncpg/pgproto/exceptions.py +asyncpg/pgproto/frb.pxd +asyncpg/pgproto/frb.pyx +asyncpg/pgproto/hton.h +asyncpg/pgproto/hton.pxd +asyncpg/pgproto/pgproto.c +asyncpg/pgproto/pgproto.pxd +asyncpg/pgproto/pgproto.pyx +asyncpg/pgproto/tohex.h +asyncpg/pgproto/tohex.pxd +asyncpg/pgproto/types.py +asyncpg/pgproto/uuid.pyx +asyncpg/pgproto/codecs/__init__.pxd +asyncpg/pgproto/codecs/bits.pyx +asyncpg/pgproto/codecs/bytea.pyx +asyncpg/pgproto/codecs/context.pyx +asyncpg/pgproto/codecs/datetime.pyx +asyncpg/pgproto/codecs/float.pyx +asyncpg/pgproto/codecs/geometry.pyx +asyncpg/pgproto/codecs/hstore.pyx +asyncpg/pgproto/codecs/int.pyx +asyncpg/pgproto/codecs/json.pyx +asyncpg/pgproto/codecs/misc.pyx +asyncpg/pgproto/codecs/network.pyx +asyncpg/pgproto/codecs/numeric.pyx +asyncpg/pgproto/codecs/text.pyx +asyncpg/pgproto/codecs/tid.pyx +asyncpg/pgproto/codecs/txid.pyx +asyncpg/pgproto/codecs/uuid.pyx +asyncpg/protocol/__init__.py +asyncpg/protocol/consts.pxi +asyncpg/protocol/coreproto.pxd +asyncpg/protocol/coreproto.pyx +asyncpg/protocol/cpythonx.pxd +asyncpg/protocol/encodings.pyx +asyncpg/protocol/pgtypes.pxi +asyncpg/protocol/prepared_stmt.pxd +asyncpg/protocol/prepared_stmt.pyx +asyncpg/protocol/protocol.c +asyncpg/protocol/protocol.pxd +asyncpg/protocol/protocol.pyx +asyncpg/protocol/scram.pxd +asyncpg/protocol/scram.pyx +asyncpg/protocol/settings.pxd +asyncpg/protocol/settings.pyx +asyncpg/protocol/codecs/__init__.py +asyncpg/protocol/codecs/array.pyx +asyncpg/protocol/codecs/base.pxd +asyncpg/protocol/codecs/base.pyx +asyncpg/protocol/codecs/pgproto.pyx +asyncpg/protocol/codecs/range.pyx +asyncpg/protocol/codecs/record.pyx +asyncpg/protocol/codecs/textutils.pyx +asyncpg/protocol/record/__init__.pxd +asyncpg/protocol/record/recordobj.c +asyncpg/protocol/record/recordobj.h +docs/conf.py +docs/faq.rst +docs/index.rst +docs/installation.rst +docs/usage.rst +docs/api/index.rst +tests/__init__.py +tests/test__environment.py +tests/test__sourcecode.py +tests/test_adversity.py +tests/test_cache_invalidation.py +tests/test_cancellation.py +tests/test_codecs.py +tests/test_connect.py +tests/test_copy.py +tests/test_cursor.py +tests/test_exceptions.py +tests/test_execute.py +tests/test_introspection.py +tests/test_listeners.py +tests/test_pool.py +tests/test_prepare.py +tests/test_record.py +tests/test_test.py +tests/test_timeout.py +tests/test_transaction.py +tests/test_utils.py +tests/certs/ca.cert.pem +tests/certs/server.cert.pem +tests/certs/server.key.pem \ No newline at end of file diff --git a/asyncpg.egg-info/dependency_links.txt b/asyncpg.egg-info/dependency_links.txt new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/asyncpg.egg-info/dependency_links.txt @@ -0,0 +1 @@ + diff --git a/asyncpg.egg-info/not-zip-safe b/asyncpg.egg-info/not-zip-safe new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/asyncpg.egg-info/not-zip-safe @@ -0,0 +1 @@ + diff --git a/asyncpg.egg-info/requires.txt b/asyncpg.egg-info/requires.txt new file mode 100644 index 0000000..81b771f --- /dev/null +++ b/asyncpg.egg-info/requires.txt @@ -0,0 +1,24 @@ + +[dev] +Cython==0.29.20 +pytest>=3.6.0 +Sphinx~=1.7.3 +sphinxcontrib-asyncio~=0.2.0 +sphinx_rtd_theme~=0.2.4 +pycodestyle~=2.5.0 +flake8~=3.7.9 + +[dev:platform_system != "Windows"] +uvloop~=0.14.0 + +[docs] +Sphinx~=1.7.3 +sphinxcontrib-asyncio~=0.2.0 +sphinx_rtd_theme~=0.2.4 + +[test] +pycodestyle~=2.5.0 +flake8~=3.7.9 + +[test:platform_system != "Windows"] +uvloop~=0.14.0 diff --git a/asyncpg.egg-info/top_level.txt b/asyncpg.egg-info/top_level.txt new file mode 100644 index 0000000..5789edd --- /dev/null +++ b/asyncpg.egg-info/top_level.txt @@ -0,0 +1 @@ +asyncpg diff --git a/asyncpg/__init__.py b/asyncpg/__init__.py new file mode 100644 index 0000000..13341e8 --- /dev/null +++ b/asyncpg/__init__.py @@ -0,0 +1,34 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from .connection import connect, Connection # NOQA +from .exceptions import * # NOQA +from .pool import create_pool # NOQA +from .protocol import Record # NOQA +from .types import * # NOQA + + +__all__ = ('connect', 'create_pool', 'Record', 'Connection') + \ + exceptions.__all__ # NOQA + +# The rules of changing __version__: +# +# In a release revision, __version__ must be set to 'x.y.z', +# and the release revision tagged with the 'vx.y.z' tag. +# For example, asyncpg release 0.15.0 should have +# __version__ set to '0.15.0', and tagged with 'v0.15.0'. +# +# In between releases, __version__ must be set to +# 'x.y+1.0.dev0', so asyncpg revisions between 0.15.0 and +# 0.16.0 should have __version__ set to '0.16.0.dev0' in +# the source. +# +# Source and wheel distributions built from development +# snapshots will automatically include the git revision +# in __version__, for example: '0.16.0.dev0+ge06ad03' + +__version__ = '0.21.0' diff --git a/asyncpg/_testbase/__init__.py b/asyncpg/_testbase/__init__.py new file mode 100644 index 0000000..baf55c1 --- /dev/null +++ b/asyncpg/_testbase/__init__.py @@ -0,0 +1,432 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import atexit +import contextlib +import functools +import inspect +import logging +import os +import re +import textwrap +import time +import traceback +import unittest + + +from asyncpg import cluster as pg_cluster +from asyncpg import connection as pg_connection +from asyncpg import pool as pg_pool + +from . import fuzzer + + +@contextlib.contextmanager +def silence_asyncio_long_exec_warning(): + def flt(log_record): + msg = log_record.getMessage() + return not msg.startswith('Executing ') + + logger = logging.getLogger('asyncio') + logger.addFilter(flt) + try: + yield + finally: + logger.removeFilter(flt) + + +def with_timeout(timeout): + def wrap(func): + func.__timeout__ = timeout + return func + + return wrap + + +class TestCaseMeta(type(unittest.TestCase)): + TEST_TIMEOUT = None + + @staticmethod + def _iter_methods(bases, ns): + for base in bases: + for methname in dir(base): + if not methname.startswith('test_'): + continue + + meth = getattr(base, methname) + if not inspect.iscoroutinefunction(meth): + continue + + yield methname, meth + + for methname, meth in ns.items(): + if not methname.startswith('test_'): + continue + + if not inspect.iscoroutinefunction(meth): + continue + + yield methname, meth + + def __new__(mcls, name, bases, ns): + for methname, meth in mcls._iter_methods(bases, ns): + @functools.wraps(meth) + def wrapper(self, *args, __meth__=meth, **kwargs): + coro = __meth__(self, *args, **kwargs) + timeout = getattr(__meth__, '__timeout__', mcls.TEST_TIMEOUT) + if timeout: + coro = asyncio.wait_for(coro, timeout) + try: + self.loop.run_until_complete(coro) + except asyncio.TimeoutError: + raise self.failureException( + 'test timed out after {} seconds'.format( + timeout)) from None + else: + self.loop.run_until_complete(coro) + ns[methname] = wrapper + + return super().__new__(mcls, name, bases, ns) + + +class TestCase(unittest.TestCase, metaclass=TestCaseMeta): + + @classmethod + def setUpClass(cls): + if os.environ.get('USE_UVLOOP'): + import uvloop + asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) + + loop = asyncio.new_event_loop() + asyncio.set_event_loop(None) + cls.loop = loop + + @classmethod + def tearDownClass(cls): + cls.loop.close() + asyncio.set_event_loop(None) + + def setUp(self): + self.loop.set_exception_handler(self.loop_exception_handler) + self.__unhandled_exceptions = [] + + def tearDown(self): + if self.__unhandled_exceptions: + formatted = [] + + for i, context in enumerate(self.__unhandled_exceptions): + formatted.append(self._format_loop_exception(context, i + 1)) + + self.fail( + 'unexpected exceptions in asynchronous code:\n' + + '\n'.join(formatted)) + + @contextlib.contextmanager + def assertRunUnder(self, delta): + st = time.monotonic() + try: + yield + finally: + elapsed = time.monotonic() - st + if elapsed > delta: + raise AssertionError( + 'running block took {:0.3f}s which is longer ' + 'than the expected maximum of {:0.3f}s'.format( + elapsed, delta)) + + @contextlib.contextmanager + def assertLoopErrorHandlerCalled(self, msg_re: str): + contexts = [] + + def handler(loop, ctx): + contexts.append(ctx) + + old_handler = self.loop.get_exception_handler() + self.loop.set_exception_handler(handler) + try: + yield + + for ctx in contexts: + msg = ctx.get('message') + if msg and re.search(msg_re, msg): + return + + raise AssertionError( + 'no message matching {!r} was logged with ' + 'loop.call_exception_handler()'.format(msg_re)) + + finally: + self.loop.set_exception_handler(old_handler) + + def loop_exception_handler(self, loop, context): + self.__unhandled_exceptions.append(context) + loop.default_exception_handler(context) + + def _format_loop_exception(self, context, n): + message = context.get('message', 'Unhandled exception in event loop') + exception = context.get('exception') + if exception is not None: + exc_info = (type(exception), exception, exception.__traceback__) + else: + exc_info = None + + lines = [] + for key in sorted(context): + if key in {'message', 'exception'}: + continue + value = context[key] + if key == 'source_traceback': + tb = ''.join(traceback.format_list(value)) + value = 'Object created at (most recent call last):\n' + value += tb.rstrip() + else: + try: + value = repr(value) + except Exception as ex: + value = ('Exception in __repr__ {!r}; ' + 'value type: {!r}'.format(ex, type(value))) + lines.append('[{}]: {}\n\n'.format(key, value)) + + if exc_info is not None: + lines.append('[exception]:\n') + formatted_exc = textwrap.indent( + ''.join(traceback.format_exception(*exc_info)), ' ') + lines.append(formatted_exc) + + details = textwrap.indent(''.join(lines), ' ') + return '{:02d}. {}:\n{}\n'.format(n, message, details) + + +_default_cluster = None + + +def _init_cluster(ClusterCls, cluster_kwargs, initdb_options=None): + cluster = ClusterCls(**cluster_kwargs) + cluster.init(**(initdb_options or {})) + cluster.trust_local_connections() + atexit.register(_shutdown_cluster, cluster) + return cluster + + +def _start_cluster(ClusterCls, cluster_kwargs, server_settings, + initdb_options=None): + cluster = _init_cluster(ClusterCls, cluster_kwargs, initdb_options) + cluster.start(port='dynamic', server_settings=server_settings) + return cluster + + +def _get_initdb_options(initdb_options=None): + if not initdb_options: + initdb_options = {} + else: + initdb_options = dict(initdb_options) + + # Make the default superuser name stable. + if 'username' not in initdb_options: + initdb_options['username'] = 'postgres' + + return initdb_options + + +def _init_default_cluster(initdb_options=None): + global _default_cluster + + if _default_cluster is None: + pg_host = os.environ.get('PGHOST') + if pg_host: + # Using existing cluster, assuming it is initialized and running + _default_cluster = pg_cluster.RunningCluster() + else: + _default_cluster = _init_cluster( + pg_cluster.TempCluster, cluster_kwargs={}, + initdb_options=_get_initdb_options(initdb_options)) + + return _default_cluster + + +def _shutdown_cluster(cluster): + if cluster.get_status() == 'running': + cluster.stop() + if cluster.get_status() != 'not-initialized': + cluster.destroy() + + +def create_pool(dsn=None, *, + min_size=10, + max_size=10, + max_queries=50000, + max_inactive_connection_lifetime=60.0, + setup=None, + init=None, + loop=None, + pool_class=pg_pool.Pool, + connection_class=pg_connection.Connection, + **connect_kwargs): + return pool_class( + dsn, + min_size=min_size, max_size=max_size, + max_queries=max_queries, loop=loop, setup=setup, init=init, + max_inactive_connection_lifetime=max_inactive_connection_lifetime, + connection_class=connection_class, + **connect_kwargs) + + +class ClusterTestCase(TestCase): + @classmethod + def get_server_settings(cls): + settings = { + 'log_connections': 'on' + } + + if cls.cluster.get_pg_version() >= (11, 0): + # JITting messes up timing tests, and + # is not essential for testing. + settings['jit'] = 'off' + + return settings + + @classmethod + def new_cluster(cls, ClusterCls, *, cluster_kwargs={}, initdb_options={}): + cluster = _init_cluster(ClusterCls, cluster_kwargs, + _get_initdb_options(initdb_options)) + cls._clusters.append(cluster) + return cluster + + @classmethod + def start_cluster(cls, cluster, *, server_settings={}): + cluster.start(port='dynamic', server_settings=server_settings) + + @classmethod + def setup_cluster(cls): + cls.cluster = _init_default_cluster() + + if cls.cluster.get_status() != 'running': + cls.cluster.start( + port='dynamic', server_settings=cls.get_server_settings()) + + @classmethod + def setUpClass(cls): + super().setUpClass() + cls._clusters = [] + cls.setup_cluster() + + @classmethod + def tearDownClass(cls): + super().tearDownClass() + for cluster in cls._clusters: + if cluster is not _default_cluster: + cluster.stop() + cluster.destroy() + cls._clusters = [] + + @classmethod + def get_connection_spec(cls, kwargs={}): + conn_spec = cls.cluster.get_connection_spec() + conn_spec.update(kwargs) + if not os.environ.get('PGHOST'): + if 'database' not in conn_spec: + conn_spec['database'] = 'postgres' + if 'user' not in conn_spec: + conn_spec['user'] = 'postgres' + return conn_spec + + @classmethod + def connect(cls, **kwargs): + conn_spec = cls.get_connection_spec(kwargs) + return pg_connection.connect(**conn_spec, loop=cls.loop) + + def setUp(self): + super().setUp() + self._pools = [] + + def tearDown(self): + super().tearDown() + for pool in self._pools: + pool.terminate() + self._pools = [] + + def create_pool(self, pool_class=pg_pool.Pool, + connection_class=pg_connection.Connection, **kwargs): + conn_spec = self.get_connection_spec(kwargs) + pool = create_pool(loop=self.loop, pool_class=pool_class, + connection_class=connection_class, **conn_spec) + self._pools.append(pool) + return pool + + +class ProxiedClusterTestCase(ClusterTestCase): + @classmethod + def get_server_settings(cls): + settings = dict(super().get_server_settings()) + settings['listen_addresses'] = '127.0.0.1' + return settings + + @classmethod + def get_proxy_settings(cls): + return {'fuzzing-mode': None} + + @classmethod + def setUpClass(cls): + super().setUpClass() + conn_spec = cls.cluster.get_connection_spec() + host = conn_spec.get('host') + if not host: + host = '127.0.0.1' + elif host.startswith('/'): + host = '127.0.0.1' + cls.proxy = fuzzer.TCPFuzzingProxy( + backend_host=host, + backend_port=conn_spec['port'], + ) + cls.proxy.start() + + @classmethod + def tearDownClass(cls): + cls.proxy.stop() + super().tearDownClass() + + @classmethod + def get_connection_spec(cls, kwargs): + conn_spec = super().get_connection_spec(kwargs) + conn_spec['host'] = cls.proxy.listening_addr + conn_spec['port'] = cls.proxy.listening_port + return conn_spec + + def tearDown(self): + self.proxy.reset() + super().tearDown() + + +def with_connection_options(**options): + if not options: + raise ValueError('no connection options were specified') + + def wrap(func): + func.__connect_options__ = options + return func + + return wrap + + +class ConnectedTestCase(ClusterTestCase): + + def setUp(self): + super().setUp() + + # Extract options set up with `with_connection_options`. + test_func = getattr(self, self._testMethodName).__func__ + opts = getattr(test_func, '__connect_options__', {}) + self.con = self.loop.run_until_complete(self.connect(**opts)) + self.server_version = self.con.get_server_version() + + def tearDown(self): + try: + self.loop.run_until_complete(self.con.close()) + self.con = None + finally: + super().tearDown() diff --git a/asyncpg/_testbase/fuzzer.py b/asyncpg/_testbase/fuzzer.py new file mode 100644 index 0000000..5c0b870 --- /dev/null +++ b/asyncpg/_testbase/fuzzer.py @@ -0,0 +1,300 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import socket +import threading +import typing + +from asyncpg import cluster + + +class StopServer(Exception): + pass + + +class TCPFuzzingProxy: + def __init__(self, *, listening_addr: str='127.0.0.1', + listening_port: typing.Optional[int]=None, + backend_host: str, backend_port: int, + settings: typing.Optional[dict]=None) -> None: + self.listening_addr = listening_addr + self.listening_port = listening_port + self.backend_host = backend_host + self.backend_port = backend_port + self.settings = settings or {} + self.loop = None + self.connectivity = None + self.connectivity_loss = None + self.stop_event = None + self.connections = {} + self.sock = None + self.listen_task = None + + async def _wait(self, work): + work_task = asyncio.ensure_future(work) + stop_event_task = asyncio.ensure_future(self.stop_event.wait()) + + try: + await asyncio.wait( + [work_task, stop_event_task], + return_when=asyncio.FIRST_COMPLETED) + + if self.stop_event.is_set(): + raise StopServer() + else: + return work_task.result() + finally: + if not work_task.done(): + work_task.cancel() + if not stop_event_task.done(): + stop_event_task.cancel() + + def start(self): + started = threading.Event() + self.thread = threading.Thread( + target=self._start_thread, args=(started,)) + self.thread.start() + if not started.wait(timeout=2): + raise RuntimeError('fuzzer proxy failed to start') + + def stop(self): + self.loop.call_soon_threadsafe(self._stop) + self.thread.join() + + def _stop(self): + self.stop_event.set() + + def _start_thread(self, started_event): + self.loop = asyncio.new_event_loop() + asyncio.set_event_loop(self.loop) + + self.connectivity = asyncio.Event() + self.connectivity.set() + self.connectivity_loss = asyncio.Event() + self.stop_event = asyncio.Event() + + if self.listening_port is None: + self.listening_port = cluster.find_available_port() + + self.sock = socket.socket() + self.sock.bind((self.listening_addr, self.listening_port)) + self.sock.listen(50) + self.sock.setblocking(False) + + try: + self.loop.run_until_complete(self._main(started_event)) + finally: + self.loop.close() + + async def _main(self, started_event): + self.listen_task = asyncio.ensure_future(self.listen()) + # Notify the main thread that we are ready to go. + started_event.set() + try: + await self.listen_task + finally: + for c in list(self.connections): + c.close() + await asyncio.sleep(0.01) + if hasattr(self.loop, 'remove_reader'): + self.loop.remove_reader(self.sock.fileno()) + self.sock.close() + + async def listen(self): + while True: + try: + client_sock, _ = await self._wait( + self.loop.sock_accept(self.sock)) + + backend_sock = socket.socket() + backend_sock.setblocking(False) + + await self._wait(self.loop.sock_connect( + backend_sock, (self.backend_host, self.backend_port))) + except StopServer: + break + + conn = Connection(client_sock, backend_sock, self) + conn_task = self.loop.create_task(conn.handle()) + self.connections[conn] = conn_task + + def trigger_connectivity_loss(self): + self.loop.call_soon_threadsafe(self._trigger_connectivity_loss) + + def _trigger_connectivity_loss(self): + self.connectivity.clear() + self.connectivity_loss.set() + + def restore_connectivity(self): + self.loop.call_soon_threadsafe(self._restore_connectivity) + + def _restore_connectivity(self): + self.connectivity.set() + self.connectivity_loss.clear() + + def reset(self): + self.restore_connectivity() + + def _close_connection(self, connection): + conn_task = self.connections.pop(connection, None) + if conn_task is not None: + conn_task.cancel() + + def close_all_connections(self): + for conn in list(self.connections): + self.loop.call_soon_threadsafe(self._close_connection, conn) + + +class Connection: + def __init__(self, client_sock, backend_sock, proxy): + self.client_sock = client_sock + self.backend_sock = backend_sock + self.proxy = proxy + self.loop = proxy.loop + self.connectivity = proxy.connectivity + self.connectivity_loss = proxy.connectivity_loss + self.proxy_to_backend_task = None + self.proxy_from_backend_task = None + self.is_closed = False + + def close(self): + if self.is_closed: + return + + self.is_closed = True + + if self.proxy_to_backend_task is not None: + self.proxy_to_backend_task.cancel() + self.proxy_to_backend_task = None + + if self.proxy_from_backend_task is not None: + self.proxy_from_backend_task.cancel() + self.proxy_from_backend_task = None + + self.proxy._close_connection(self) + + async def handle(self): + self.proxy_to_backend_task = asyncio.ensure_future( + self.proxy_to_backend()) + + self.proxy_from_backend_task = asyncio.ensure_future( + self.proxy_from_backend()) + + try: + await asyncio.wait( + [self.proxy_to_backend_task, self.proxy_from_backend_task], + return_when=asyncio.FIRST_COMPLETED) + + finally: + # Asyncio fails to properly remove the readers and writers + # when the task doing recv() or send() is cancelled, so + # we must remove the readers and writers manually before + # closing the sockets. + self.loop.remove_reader(self.client_sock.fileno()) + self.loop.remove_writer(self.client_sock.fileno()) + self.loop.remove_reader(self.backend_sock.fileno()) + self.loop.remove_writer(self.backend_sock.fileno()) + + self.client_sock.close() + self.backend_sock.close() + + async def _read(self, sock, n): + read_task = asyncio.ensure_future( + self.loop.sock_recv(sock, n)) + conn_event_task = asyncio.ensure_future( + self.connectivity_loss.wait()) + + try: + await asyncio.wait( + [read_task, conn_event_task], + return_when=asyncio.FIRST_COMPLETED) + + if self.connectivity_loss.is_set(): + return None + else: + return read_task.result() + finally: + if not self.loop.is_closed(): + if not read_task.done(): + read_task.cancel() + if not conn_event_task.done(): + conn_event_task.cancel() + + async def _write(self, sock, data): + write_task = asyncio.ensure_future( + self.loop.sock_sendall(sock, data)) + conn_event_task = asyncio.ensure_future( + self.connectivity_loss.wait()) + + try: + await asyncio.wait( + [write_task, conn_event_task], + return_when=asyncio.FIRST_COMPLETED) + + if self.connectivity_loss.is_set(): + return None + else: + return write_task.result() + finally: + if not self.loop.is_closed(): + if not write_task.done(): + write_task.cancel() + if not conn_event_task.done(): + conn_event_task.cancel() + + async def proxy_to_backend(self): + buf = None + + try: + while True: + await self.connectivity.wait() + if buf is not None: + data = buf + buf = None + else: + data = await self._read(self.client_sock, 4096) + if data == b'': + break + if self.connectivity_loss.is_set(): + if data: + buf = data + continue + await self._write(self.backend_sock, data) + + except ConnectionError: + pass + + finally: + if not self.loop.is_closed(): + self.loop.call_soon(self.close) + + async def proxy_from_backend(self): + buf = None + + try: + while True: + await self.connectivity.wait() + if buf is not None: + data = buf + buf = None + else: + data = await self._read(self.backend_sock, 4096) + if data == b'': + break + if self.connectivity_loss.is_set(): + if data: + buf = data + continue + await self._write(self.client_sock, data) + + except ConnectionError: + pass + + finally: + if not self.loop.is_closed(): + self.loop.call_soon(self.close) diff --git a/asyncpg/cluster.py b/asyncpg/cluster.py new file mode 100644 index 0000000..4769935 --- /dev/null +++ b/asyncpg/cluster.py @@ -0,0 +1,685 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import errno +import os +import os.path +import platform +import random +import re +import shutil +import socket +import subprocess +import sys +import tempfile +import textwrap +import time + +import asyncpg +from asyncpg import serverversion + + +_system = platform.uname().system + +if _system == 'Windows': + def platform_exe(name): + if name.endswith('.exe'): + return name + return name + '.exe' +else: + def platform_exe(name): + return name + + +def find_available_port(port_range=(49152, 65535), max_tries=1000): + low, high = port_range + + port = low + try_no = 0 + + while try_no < max_tries: + try_no += 1 + port = random.randint(low, high) + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + try: + sock.bind(('127.0.0.1', port)) + except socket.error as e: + if e.errno == errno.EADDRINUSE: + continue + finally: + sock.close() + + break + else: + port = None + + return port + + +class ClusterError(Exception): + pass + + +class Cluster: + def __init__(self, data_dir, *, pg_config_path=None): + self._data_dir = data_dir + self._pg_config_path = pg_config_path + self._pg_bin_dir = os.environ.get('PGINSTALLATION') + self._pg_ctl = None + self._daemon_pid = None + self._daemon_process = None + self._connection_addr = None + self._connection_spec_override = None + + def get_pg_version(self): + return self._pg_version + + def is_managed(self): + return True + + def get_data_dir(self): + return self._data_dir + + def get_status(self): + if self._pg_ctl is None: + self._init_env() + + process = subprocess.run( + [self._pg_ctl, 'status', '-D', self._data_dir], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = process.stdout, process.stderr + + if (process.returncode == 4 or not os.path.exists(self._data_dir) or + not os.listdir(self._data_dir)): + return 'not-initialized' + elif process.returncode == 3: + return 'stopped' + elif process.returncode == 0: + r = re.match(r'.*PID\s?:\s+(\d+).*', stdout.decode()) + if not r: + raise ClusterError( + 'could not parse pg_ctl status output: {}'.format( + stdout.decode())) + self._daemon_pid = int(r.group(1)) + return self._test_connection(timeout=0) + else: + raise ClusterError( + 'pg_ctl status exited with status {:d}: {}'.format( + process.returncode, stderr)) + + async def connect(self, loop=None, **kwargs): + conn_info = self.get_connection_spec() + conn_info.update(kwargs) + return await asyncpg.connect(loop=loop, **conn_info) + + def init(self, **settings): + """Initialize cluster.""" + if self.get_status() != 'not-initialized': + raise ClusterError( + 'cluster in {!r} has already been initialized'.format( + self._data_dir)) + + if settings: + settings_args = ['--{}={}'.format(k, v) + for k, v in settings.items()] + extra_args = ['-o'] + [' '.join(settings_args)] + else: + extra_args = [] + + process = subprocess.run( + [self._pg_ctl, 'init', '-D', self._data_dir] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + output = process.stdout + + if process.returncode != 0: + raise ClusterError( + 'pg_ctl init exited with status {:d}:\n{}'.format( + process.returncode, output.decode())) + + return output.decode() + + def start(self, wait=60, *, server_settings={}, **opts): + """Start the cluster.""" + status = self.get_status() + if status == 'running': + return + elif status == 'not-initialized': + raise ClusterError( + 'cluster in {!r} has not been initialized'.format( + self._data_dir)) + + port = opts.pop('port', None) + if port == 'dynamic': + port = find_available_port() + + extra_args = ['--{}={}'.format(k, v) for k, v in opts.items()] + extra_args.append('--port={}'.format(port)) + + sockdir = server_settings.get('unix_socket_directories') + if sockdir is None: + sockdir = server_settings.get('unix_socket_directory') + if sockdir is None: + sockdir = '/tmp' + + ssl_key = server_settings.get('ssl_key_file') + if ssl_key: + # Make sure server certificate key file has correct permissions. + keyfile = os.path.join(self._data_dir, 'srvkey.pem') + shutil.copy(ssl_key, keyfile) + os.chmod(keyfile, 0o600) + server_settings = server_settings.copy() + server_settings['ssl_key_file'] = keyfile + + if self._pg_version < (9, 3): + sockdir_opt = 'unix_socket_directory' + else: + sockdir_opt = 'unix_socket_directories' + + server_settings[sockdir_opt] = sockdir + + for k, v in server_settings.items(): + extra_args.extend(['-c', '{}={}'.format(k, v)]) + + if _system == 'Windows': + # On Windows we have to use pg_ctl as direct execution + # of postgres daemon under an Administrative account + # is not permitted and there is no easy way to drop + # privileges. + if os.getenv('ASYNCPG_DEBUG_SERVER'): + stdout = sys.stdout + else: + stdout = subprocess.DEVNULL + + process = subprocess.run( + [self._pg_ctl, 'start', '-D', self._data_dir, + '-o', ' '.join(extra_args)], + stdout=stdout, stderr=subprocess.STDOUT) + + if process.returncode != 0: + if process.stderr: + stderr = ':\n{}'.format(process.stderr.decode()) + else: + stderr = '' + raise ClusterError( + 'pg_ctl start exited with status {:d}{}'.format( + process.returncode, stderr)) + else: + if os.getenv('ASYNCPG_DEBUG_SERVER'): + stdout = sys.stdout + else: + stdout = subprocess.DEVNULL + + self._daemon_process = \ + subprocess.Popen( + [self._postgres, '-D', self._data_dir, *extra_args], + stdout=stdout, stderr=subprocess.STDOUT) + + self._daemon_pid = self._daemon_process.pid + + self._test_connection(timeout=wait) + + def reload(self): + """Reload server configuration.""" + status = self.get_status() + if status != 'running': + raise ClusterError('cannot reload: cluster is not running') + + process = subprocess.run( + [self._pg_ctl, 'reload', '-D', self._data_dir], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + + stderr = process.stderr + + if process.returncode != 0: + raise ClusterError( + 'pg_ctl stop exited with status {:d}: {}'.format( + process.returncode, stderr.decode())) + + def stop(self, wait=60): + process = subprocess.run( + [self._pg_ctl, 'stop', '-D', self._data_dir, '-t', str(wait), + '-m', 'fast'], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + + stderr = process.stderr + + if process.returncode != 0: + raise ClusterError( + 'pg_ctl stop exited with status {:d}: {}'.format( + process.returncode, stderr.decode())) + + if (self._daemon_process is not None and + self._daemon_process.returncode is None): + self._daemon_process.kill() + + def destroy(self): + status = self.get_status() + if status == 'stopped' or status == 'not-initialized': + shutil.rmtree(self._data_dir) + else: + raise ClusterError('cannot destroy {} cluster'.format(status)) + + def _get_connection_spec(self): + if self._connection_addr is None: + self._connection_addr = self._connection_addr_from_pidfile() + + if self._connection_addr is not None: + if self._connection_spec_override: + args = self._connection_addr.copy() + args.update(self._connection_spec_override) + return args + else: + return self._connection_addr + + def get_connection_spec(self): + status = self.get_status() + if status != 'running': + raise ClusterError('cluster is not running') + + return self._get_connection_spec() + + def override_connection_spec(self, **kwargs): + self._connection_spec_override = kwargs + + def reset_wal(self, *, oid=None, xid=None): + status = self.get_status() + if status == 'not-initialized': + raise ClusterError( + 'cannot modify WAL status: cluster is not initialized') + + if status == 'running': + raise ClusterError( + 'cannot modify WAL status: cluster is running') + + opts = [] + if oid is not None: + opts.extend(['-o', str(oid)]) + if xid is not None: + opts.extend(['-x', str(xid)]) + if not opts: + return + + opts.append(self._data_dir) + + try: + reset_wal = self._find_pg_binary('pg_resetwal') + except ClusterError: + reset_wal = self._find_pg_binary('pg_resetxlog') + + process = subprocess.run( + [reset_wal] + opts, + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + + stderr = process.stderr + + if process.returncode != 0: + raise ClusterError( + 'pg_resetwal exited with status {:d}: {}'.format( + process.returncode, stderr.decode())) + + def reset_hba(self): + """Remove all records from pg_hba.conf.""" + status = self.get_status() + if status == 'not-initialized': + raise ClusterError( + 'cannot modify HBA records: cluster is not initialized') + + pg_hba = os.path.join(self._data_dir, 'pg_hba.conf') + + try: + with open(pg_hba, 'w'): + pass + except IOError as e: + raise ClusterError( + 'cannot modify HBA records: {}'.format(e)) from e + + def add_hba_entry(self, *, type='host', database, user, address=None, + auth_method, auth_options=None): + """Add a record to pg_hba.conf.""" + status = self.get_status() + if status == 'not-initialized': + raise ClusterError( + 'cannot modify HBA records: cluster is not initialized') + + if type not in {'local', 'host', 'hostssl', 'hostnossl'}: + raise ValueError('invalid HBA record type: {!r}'.format(type)) + + pg_hba = os.path.join(self._data_dir, 'pg_hba.conf') + + record = '{} {} {}'.format(type, database, user) + + if type != 'local': + if address is None: + raise ValueError( + '{!r} entry requires a valid address'.format(type)) + else: + record += ' {}'.format(address) + + record += ' {}'.format(auth_method) + + if auth_options is not None: + record += ' ' + ' '.join( + '{}={}'.format(k, v) for k, v in auth_options) + + try: + with open(pg_hba, 'a') as f: + print(record, file=f) + except IOError as e: + raise ClusterError( + 'cannot modify HBA records: {}'.format(e)) from e + + def trust_local_connections(self): + self.reset_hba() + + if _system != 'Windows': + self.add_hba_entry(type='local', database='all', + user='all', auth_method='trust') + self.add_hba_entry(type='host', address='127.0.0.1/32', + database='all', user='all', + auth_method='trust') + self.add_hba_entry(type='host', address='::1/128', + database='all', user='all', + auth_method='trust') + status = self.get_status() + if status == 'running': + self.reload() + + def trust_local_replication_by(self, user): + if _system != 'Windows': + self.add_hba_entry(type='local', database='replication', + user=user, auth_method='trust') + self.add_hba_entry(type='host', address='127.0.0.1/32', + database='replication', user=user, + auth_method='trust') + self.add_hba_entry(type='host', address='::1/128', + database='replication', user=user, + auth_method='trust') + status = self.get_status() + if status == 'running': + self.reload() + + def _init_env(self): + if not self._pg_bin_dir: + pg_config = self._find_pg_config(self._pg_config_path) + pg_config_data = self._run_pg_config(pg_config) + + self._pg_bin_dir = pg_config_data.get('bindir') + if not self._pg_bin_dir: + raise ClusterError( + 'pg_config output did not provide the BINDIR value') + + self._pg_ctl = self._find_pg_binary('pg_ctl') + self._postgres = self._find_pg_binary('postgres') + self._pg_version = self._get_pg_version() + + def _connection_addr_from_pidfile(self): + pidfile = os.path.join(self._data_dir, 'postmaster.pid') + + try: + with open(pidfile, 'rt') as f: + piddata = f.read() + except FileNotFoundError: + return None + + lines = piddata.splitlines() + + if len(lines) < 6: + # A complete postgres pidfile is at least 6 lines + return None + + pmpid = int(lines[0]) + if self._daemon_pid and pmpid != self._daemon_pid: + # This might be an old pidfile left from previous postgres + # daemon run. + return None + + portnum = lines[3] + sockdir = lines[4] + hostaddr = lines[5] + + if sockdir: + if sockdir[0] != '/': + # Relative sockdir + sockdir = os.path.normpath( + os.path.join(self._data_dir, sockdir)) + host_str = sockdir + else: + host_str = hostaddr + + if host_str == '*': + host_str = 'localhost' + elif host_str == '0.0.0.0': + host_str = '127.0.0.1' + elif host_str == '::': + host_str = '::1' + + return { + 'host': host_str, + 'port': portnum + } + + def _test_connection(self, timeout=60): + self._connection_addr = None + + loop = asyncio.new_event_loop() + + try: + for i in range(timeout): + if self._connection_addr is None: + conn_spec = self._get_connection_spec() + if conn_spec is None: + time.sleep(1) + continue + + try: + con = loop.run_until_complete( + asyncpg.connect(database='postgres', + user='postgres', + timeout=5, loop=loop, + **self._connection_addr)) + except (OSError, asyncio.TimeoutError, + asyncpg.CannotConnectNowError, + asyncpg.PostgresConnectionError): + time.sleep(1) + continue + except asyncpg.PostgresError: + # Any other error other than ServerNotReadyError or + # ConnectionError is interpreted to indicate the server is + # up. + break + else: + loop.run_until_complete(con.close()) + break + finally: + loop.close() + + return 'running' + + def _run_pg_config(self, pg_config_path): + process = subprocess.run( + pg_config_path, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = process.stdout, process.stderr + + if process.returncode != 0: + raise ClusterError('pg_config exited with status {:d}: {}'.format( + process.returncode, stderr)) + else: + config = {} + + for line in stdout.splitlines(): + k, eq, v = line.decode('utf-8').partition('=') + if eq: + config[k.strip().lower()] = v.strip() + + return config + + def _find_pg_config(self, pg_config_path): + if pg_config_path is None: + pg_install = os.environ.get('PGINSTALLATION') + if pg_install: + pg_config_path = platform_exe( + os.path.join(pg_install, 'pg_config')) + else: + pathenv = os.environ.get('PATH').split(os.pathsep) + for path in pathenv: + pg_config_path = platform_exe( + os.path.join(path, 'pg_config')) + if os.path.exists(pg_config_path): + break + else: + pg_config_path = None + + if not pg_config_path: + raise ClusterError('could not find pg_config executable') + + if not os.path.isfile(pg_config_path): + raise ClusterError('{!r} is not an executable'.format( + pg_config_path)) + + return pg_config_path + + def _find_pg_binary(self, binary): + bpath = platform_exe(os.path.join(self._pg_bin_dir, binary)) + + if not os.path.isfile(bpath): + raise ClusterError( + 'could not find {} executable: '.format(binary) + + '{!r} does not exist or is not a file'.format(bpath)) + + return bpath + + def _get_pg_version(self): + process = subprocess.run( + [self._postgres, '--version'], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = process.stdout, process.stderr + + if process.returncode != 0: + raise ClusterError( + 'postgres --version exited with status {:d}: {}'.format( + process.returncode, stderr)) + + version_string = stdout.decode('utf-8').strip(' \n') + prefix = 'postgres (PostgreSQL) ' + if not version_string.startswith(prefix): + raise ClusterError( + 'could not determine server version from {!r}'.format( + version_string)) + version_string = version_string[len(prefix):] + + return serverversion.split_server_version_string(version_string) + + +class TempCluster(Cluster): + def __init__(self, *, + data_dir_suffix=None, data_dir_prefix=None, + data_dir_parent=None, pg_config_path=None): + self._data_dir = tempfile.mkdtemp(suffix=data_dir_suffix, + prefix=data_dir_prefix, + dir=data_dir_parent) + super().__init__(self._data_dir, pg_config_path=pg_config_path) + + +class HotStandbyCluster(TempCluster): + def __init__(self, *, + master, replication_user, + data_dir_suffix=None, data_dir_prefix=None, + data_dir_parent=None, pg_config_path=None): + self._master = master + self._repl_user = replication_user + super().__init__( + data_dir_suffix=data_dir_suffix, + data_dir_prefix=data_dir_prefix, + data_dir_parent=data_dir_parent, + pg_config_path=pg_config_path) + + def _init_env(self): + super()._init_env() + self._pg_basebackup = self._find_pg_binary('pg_basebackup') + + def init(self, **settings): + """Initialize cluster.""" + if self.get_status() != 'not-initialized': + raise ClusterError( + 'cluster in {!r} has already been initialized'.format( + self._data_dir)) + + process = subprocess.run( + [self._pg_basebackup, '-h', self._master['host'], + '-p', self._master['port'], '-D', self._data_dir, + '-U', self._repl_user], + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + output = process.stdout + + if process.returncode != 0: + raise ClusterError( + 'pg_basebackup init exited with status {:d}:\n{}'.format( + process.returncode, output.decode())) + + if self._pg_version <= (11, 0): + with open(os.path.join(self._data_dir, 'recovery.conf'), 'w') as f: + f.write(textwrap.dedent("""\ + standby_mode = 'on' + primary_conninfo = 'host={host} port={port} user={user}' + """.format( + host=self._master['host'], + port=self._master['port'], + user=self._repl_user))) + else: + f = open(os.path.join(self._data_dir, 'standby.signal'), 'w') + f.close() + + return output.decode() + + def start(self, wait=60, *, server_settings={}, **opts): + if self._pg_version >= (12, 0): + server_settings = server_settings.copy() + server_settings['primary_conninfo'] = ( + 'host={host} port={port} user={user}'.format( + host=self._master['host'], + port=self._master['port'], + user=self._repl_user, + ) + ) + + super().start(wait=wait, server_settings=server_settings, **opts) + + +class RunningCluster(Cluster): + def __init__(self, **kwargs): + self.conn_spec = kwargs + + def is_managed(self): + return False + + def get_connection_spec(self): + return dict(self.conn_spec) + + def get_status(self): + return 'running' + + def init(self, **settings): + pass + + def start(self, wait=60, **settings): + pass + + def stop(self, wait=60): + pass + + def destroy(self): + pass + + def reset_hba(self): + raise ClusterError('cannot modify HBA records of unmanaged cluster') + + def add_hba_entry(self, *, type='host', database, user, address=None, + auth_method, auth_options=None): + raise ClusterError('cannot modify HBA records of unmanaged cluster') diff --git a/asyncpg/compat.py b/asyncpg/compat.py new file mode 100644 index 0000000..99a561d --- /dev/null +++ b/asyncpg/compat.py @@ -0,0 +1,92 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import functools +import os +import pathlib +import platform +import sys + + +PY_36 = sys.version_info >= (3, 6) +PY_37 = sys.version_info >= (3, 7) +SYSTEM = platform.uname().system + + +if sys.version_info < (3, 5, 2): + def aiter_compat(func): + @functools.wraps(func) + async def wrapper(self): + return func(self) + return wrapper +else: + def aiter_compat(func): + return func + + +if PY_36: + fspath = os.fspath +else: + def fspath(path): + fsp = getattr(path, '__fspath__', None) + if fsp is not None and callable(fsp): + path = fsp() + if not isinstance(path, (str, bytes)): + raise TypeError( + 'expected {}() to return str or bytes, not {}'.format( + fsp.__qualname__, type(path).__name__ + )) + return path + elif isinstance(path, (str, bytes)): + return path + else: + raise TypeError( + 'expected str, bytes or path-like object, not {}'.format( + type(path).__name__ + ) + ) + + +if SYSTEM == 'Windows': + import ctypes.wintypes + + CSIDL_APPDATA = 0x001a + + def get_pg_home_directory() -> pathlib.Path: + # We cannot simply use expanduser() as that returns the user's + # home directory, whereas Postgres stores its config in + # %AppData% on Windows. + buf = ctypes.create_unicode_buffer(ctypes.wintypes.MAX_PATH) + r = ctypes.windll.shell32.SHGetFolderPathW(0, CSIDL_APPDATA, 0, 0, buf) + if r: + return None + else: + return pathlib.Path(buf.value) / 'postgresql' + +else: + def get_pg_home_directory() -> pathlib.Path: + return pathlib.Path.home() + + +if PY_37: + def current_asyncio_task(loop): + return asyncio.current_task(loop) +else: + def current_asyncio_task(loop): + return asyncio.Task.current_task(loop) + + +async def wait_closed(stream): + # Not all asyncio versions have StreamWriter.wait_closed(). + if hasattr(stream, 'wait_closed'): + try: + await stream.wait_closed() + except ConnectionResetError: + # On Windows wait_closed() sometimes propagates + # ConnectionResetError which is totally unnecessary. + pass diff --git a/asyncpg/connect_utils.py b/asyncpg/connect_utils.py new file mode 100644 index 0000000..2678b35 --- /dev/null +++ b/asyncpg/connect_utils.py @@ -0,0 +1,743 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import collections +import functools +import getpass +import os +import pathlib +import platform +import re +import socket +import ssl as ssl_module +import stat +import struct +import time +import typing +import urllib.parse +import warnings +import inspect + +from . import compat +from . import exceptions +from . import protocol + + +_ConnectionParameters = collections.namedtuple( + 'ConnectionParameters', + [ + 'user', + 'password', + 'database', + 'ssl', + 'ssl_is_advisory', + 'connect_timeout', + 'server_settings', + ]) + + +_ClientConfiguration = collections.namedtuple( + 'ConnectionConfiguration', + [ + 'command_timeout', + 'statement_cache_size', + 'max_cached_statement_lifetime', + 'max_cacheable_statement_size', + ]) + + +_system = platform.uname().system + + +if _system == 'Windows': + PGPASSFILE = 'pgpass.conf' +else: + PGPASSFILE = '.pgpass' + + +def _read_password_file(passfile: pathlib.Path) \ + -> typing.List[typing.Tuple[str, ...]]: + + passtab = [] + + try: + if not passfile.exists(): + return [] + + if not passfile.is_file(): + warnings.warn( + 'password file {!r} is not a plain file'.format(passfile)) + + return [] + + if _system != 'Windows': + if passfile.stat().st_mode & (stat.S_IRWXG | stat.S_IRWXO): + warnings.warn( + 'password file {!r} has group or world access; ' + 'permissions should be u=rw (0600) or less'.format( + passfile)) + + return [] + + with passfile.open('rt') as f: + for line in f: + line = line.strip() + if not line or line.startswith('#'): + # Skip empty lines and comments. + continue + # Backslash escapes both itself and the colon, + # which is a record separator. + line = line.replace(R'\\', '\n') + passtab.append(tuple( + p.replace('\n', R'\\') + for p in re.split(r'(?= SSLMODES['allow'] + else: + ssl = ssl_module.create_default_context() + ssl.check_hostname = sslmode >= SSLMODES['verify-full'] + ssl.verify_mode = ssl_module.CERT_REQUIRED + if sslmode <= SSLMODES['require']: + ssl.verify_mode = ssl_module.CERT_NONE + ssl_is_advisory = sslmode <= SSLMODES['prefer'] + + if ssl: + for addr in addrs: + if isinstance(addr, str): + # UNIX socket + raise exceptions.InterfaceError( + '`ssl` parameter can only be enabled for TCP addresses, ' + 'got a UNIX socket path: {!r}'.format(addr)) + + if server_settings is not None and ( + not isinstance(server_settings, dict) or + not all(isinstance(k, str) for k in server_settings) or + not all(isinstance(v, str) for v in server_settings.values())): + raise ValueError( + 'server_settings is expected to be None or ' + 'a Dict[str, str]') + + params = _ConnectionParameters( + user=user, password=password, database=database, ssl=ssl, + ssl_is_advisory=ssl_is_advisory, connect_timeout=connect_timeout, + server_settings=server_settings) + + return addrs, params + + +def _parse_connect_arguments(*, dsn, host, port, user, password, passfile, + database, timeout, command_timeout, + statement_cache_size, + max_cached_statement_lifetime, + max_cacheable_statement_size, + ssl, server_settings): + + local_vars = locals() + for var_name in {'max_cacheable_statement_size', + 'max_cached_statement_lifetime', + 'statement_cache_size'}: + var_val = local_vars[var_name] + if var_val is None or isinstance(var_val, bool) or var_val < 0: + raise ValueError( + '{} is expected to be greater ' + 'or equal to 0, got {!r}'.format(var_name, var_val)) + + if command_timeout is not None: + try: + if isinstance(command_timeout, bool): + raise ValueError + command_timeout = float(command_timeout) + if command_timeout <= 0: + raise ValueError + except ValueError: + raise ValueError( + 'invalid command_timeout value: ' + 'expected greater than 0 float (got {!r})'.format( + command_timeout)) from None + + addrs, params = _parse_connect_dsn_and_args( + dsn=dsn, host=host, port=port, user=user, + password=password, passfile=passfile, ssl=ssl, + database=database, connect_timeout=timeout, + server_settings=server_settings) + + config = _ClientConfiguration( + command_timeout=command_timeout, + statement_cache_size=statement_cache_size, + max_cached_statement_lifetime=max_cached_statement_lifetime, + max_cacheable_statement_size=max_cacheable_statement_size,) + + return addrs, params, config + + +class TLSUpgradeProto(asyncio.Protocol): + def __init__(self, loop, host, port, ssl_context, ssl_is_advisory): + self.on_data = _create_future(loop) + self.host = host + self.port = port + self.ssl_context = ssl_context + self.ssl_is_advisory = ssl_is_advisory + + def data_received(self, data): + if data == b'S': + self.on_data.set_result(True) + elif (self.ssl_is_advisory and + self.ssl_context.verify_mode == ssl_module.CERT_NONE and + data == b'N'): + # ssl_is_advisory will imply that ssl.verify_mode == CERT_NONE, + # since the only way to get ssl_is_advisory is from + # sslmode=prefer (or sslmode=allow). But be extra sure to + # disallow insecure connections when the ssl context asks for + # real security. + self.on_data.set_result(False) + else: + self.on_data.set_exception( + ConnectionError( + 'PostgreSQL server at "{host}:{port}" ' + 'rejected SSL upgrade'.format( + host=self.host, port=self.port))) + + def connection_lost(self, exc): + if not self.on_data.done(): + if exc is None: + exc = ConnectionError('unexpected connection_lost() call') + self.on_data.set_exception(exc) + + +async def _create_ssl_connection(protocol_factory, host, port, *, + loop, ssl_context, ssl_is_advisory=False): + + if ssl_context is True: + ssl_context = ssl_module.create_default_context() + + tr, pr = await loop.create_connection( + lambda: TLSUpgradeProto(loop, host, port, + ssl_context, ssl_is_advisory), + host, port) + + tr.write(struct.pack('!ll', 8, 80877103)) # SSLRequest message. + + try: + do_ssl_upgrade = await pr.on_data + except (Exception, asyncio.CancelledError): + tr.close() + raise + + if hasattr(loop, 'start_tls'): + if do_ssl_upgrade: + try: + new_tr = await loop.start_tls( + tr, pr, ssl_context, server_hostname=host) + except (Exception, asyncio.CancelledError): + tr.close() + raise + else: + new_tr = tr + + pg_proto = protocol_factory() + pg_proto.connection_made(new_tr) + new_tr.set_protocol(pg_proto) + + return new_tr, pg_proto + else: + conn_factory = functools.partial( + loop.create_connection, protocol_factory) + + if do_ssl_upgrade: + conn_factory = functools.partial( + conn_factory, ssl=ssl_context, server_hostname=host) + + sock = _get_socket(tr) + sock = sock.dup() + _set_nodelay(sock) + tr.close() + + try: + return await conn_factory(sock=sock) + except (Exception, asyncio.CancelledError): + sock.close() + raise + + +async def _connect_addr(*, addr, loop, timeout, params, config, + connection_class): + assert loop is not None + + if timeout <= 0: + raise asyncio.TimeoutError + + connected = _create_future(loop) + + params_input = params + if callable(params.password): + if inspect.iscoroutinefunction(params.password): + password = await params.password() + else: + password = params.password() + + params = params._replace(password=password) + + proto_factory = lambda: protocol.Protocol( + addr, connected, params, loop) + + if isinstance(addr, str): + # UNIX socket + assert not params.ssl + connector = loop.create_unix_connection(proto_factory, addr) + elif params.ssl: + connector = _create_ssl_connection( + proto_factory, *addr, loop=loop, ssl_context=params.ssl, + ssl_is_advisory=params.ssl_is_advisory) + else: + connector = loop.create_connection(proto_factory, *addr) + + connector = asyncio.ensure_future(connector) + before = time.monotonic() + try: + tr, pr = await asyncio.wait_for( + connector, timeout=timeout) + except asyncio.CancelledError: + connector.add_done_callback(_close_leaked_connection) + raise + timeout -= time.monotonic() - before + + try: + if timeout <= 0: + raise asyncio.TimeoutError + await asyncio.wait_for(connected, timeout=timeout) + except (Exception, asyncio.CancelledError): + tr.close() + raise + + con = connection_class(pr, tr, loop, addr, config, params_input) + pr.set_connection(con) + return con + + +async def _connect(*, loop, timeout, connection_class, **kwargs): + if loop is None: + loop = asyncio.get_event_loop() + + addrs, params, config = _parse_connect_arguments(timeout=timeout, **kwargs) + + last_error = None + addr = None + for addr in addrs: + before = time.monotonic() + try: + con = await _connect_addr( + addr=addr, loop=loop, timeout=timeout, + params=params, config=config, + connection_class=connection_class) + except (OSError, asyncio.TimeoutError, ConnectionError) as ex: + last_error = ex + else: + return con + finally: + timeout -= time.monotonic() - before + + raise last_error + + +async def _cancel(*, loop, addr, params: _ConnectionParameters, + backend_pid, backend_secret): + + class CancelProto(asyncio.Protocol): + + def __init__(self): + self.on_disconnect = _create_future(loop) + + def connection_lost(self, exc): + if not self.on_disconnect.done(): + self.on_disconnect.set_result(True) + + if isinstance(addr, str): + tr, pr = await loop.create_unix_connection(CancelProto, addr) + else: + if params.ssl: + tr, pr = await _create_ssl_connection( + CancelProto, + *addr, + loop=loop, + ssl_context=params.ssl, + ssl_is_advisory=params.ssl_is_advisory) + else: + tr, pr = await loop.create_connection( + CancelProto, *addr) + _set_nodelay(_get_socket(tr)) + + # Pack a CancelRequest message + msg = struct.pack('!llll', 16, 80877102, backend_pid, backend_secret) + + try: + tr.write(msg) + await pr.on_disconnect + finally: + tr.close() + + +def _get_socket(transport): + sock = transport.get_extra_info('socket') + if sock is None: + # Shouldn't happen with any asyncio-complaint event loop. + raise ConnectionError( + 'could not get the socket for transport {!r}'.format(transport)) + return sock + + +def _set_nodelay(sock): + if not hasattr(socket, 'AF_UNIX') or sock.family != socket.AF_UNIX: + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + + +def _create_future(loop): + try: + create_future = loop.create_future + except AttributeError: + return asyncio.Future(loop=loop) + else: + return create_future() + + +def _close_leaked_connection(fut): + try: + tr, pr = fut.result() + if tr: + tr.close() + except asyncio.CancelledError: + pass # hide the exception diff --git a/asyncpg/connection.py b/asyncpg/connection.py new file mode 100644 index 0000000..a78aafa --- /dev/null +++ b/asyncpg/connection.py @@ -0,0 +1,1970 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import asyncpg +import collections +import collections.abc +import itertools +import sys +import time +import traceback +import warnings + +from . import compat +from . import connect_utils +from . import cursor +from . import exceptions +from . import introspection +from . import prepared_stmt +from . import protocol +from . import serverversion +from . import transaction +from . import utils + + +class ConnectionMeta(type): + + def __instancecheck__(cls, instance): + mro = type(instance).__mro__ + return Connection in mro or _ConnectionProxy in mro + + +class Connection(metaclass=ConnectionMeta): + """A representation of a database session. + + Connections are created by calling :func:`~asyncpg.connection.connect`. + """ + + __slots__ = ('_protocol', '_transport', '_loop', + '_top_xact', '_aborted', + '_pool_release_ctr', '_stmt_cache', '_stmts_to_close', + '_listeners', '_server_version', '_server_caps', + '_intro_query', '_reset_query', '_proxy', + '_stmt_exclusive_section', '_config', '_params', '_addr', + '_log_listeners', '_termination_listeners', '_cancellations', + '_source_traceback', '__weakref__') + + def __init__(self, protocol, transport, loop, + addr: (str, int) or str, + config: connect_utils._ClientConfiguration, + params: connect_utils._ConnectionParameters): + self._protocol = protocol + self._transport = transport + self._loop = loop + self._top_xact = None + self._aborted = False + # Incremented every time the connection is released back to a pool. + # Used to catch invalid references to connection-related resources + # post-release (e.g. explicit prepared statements). + self._pool_release_ctr = 0 + + self._addr = addr + self._config = config + self._params = params + + self._stmt_cache = _StatementCache( + loop=loop, + max_size=config.statement_cache_size, + on_remove=self._maybe_gc_stmt, + max_lifetime=config.max_cached_statement_lifetime) + + self._stmts_to_close = set() + + self._listeners = {} + self._log_listeners = set() + self._cancellations = set() + self._termination_listeners = set() + + settings = self._protocol.get_settings() + ver_string = settings.server_version + self._server_version = \ + serverversion.split_server_version_string(ver_string) + + self._server_caps = _detect_server_capabilities( + self._server_version, settings) + + self._intro_query = introspection.INTRO_LOOKUP_TYPES + + self._reset_query = None + self._proxy = None + + # Used to serialize operations that might involve anonymous + # statements. Specifically, we want to make the following + # operation atomic: + # ("prepare an anonymous statement", "use the statement") + # + # Used for `con.fetchval()`, `con.fetch()`, `con.fetchrow()`, + # `con.execute()`, and `con.executemany()`. + self._stmt_exclusive_section = _Atomic() + + if loop.get_debug(): + self._source_traceback = _extract_stack() + else: + self._source_traceback = None + + def __del__(self): + if not self.is_closed() and self._protocol is not None: + if self._source_traceback: + msg = "unclosed connection {!r}; created at:\n {}".format( + self, self._source_traceback) + else: + msg = ( + "unclosed connection {!r}; run in asyncio debug " + "mode to show the traceback of connection " + "origin".format(self) + ) + + warnings.warn(msg, ResourceWarning) + if not self._loop.is_closed(): + self.terminate() + + async def add_listener(self, channel, callback): + """Add a listener for Postgres notifications. + + :param str channel: Channel to listen on. + + :param callable callback: + A callable receiving the following arguments: + **connection**: a Connection the callback is registered with; + **pid**: PID of the Postgres server that sent the notification; + **channel**: name of the channel the notification was sent to; + **payload**: the payload. + """ + self._check_open() + if channel not in self._listeners: + await self.fetch('LISTEN {}'.format(utils._quote_ident(channel))) + self._listeners[channel] = set() + self._listeners[channel].add(callback) + + async def remove_listener(self, channel, callback): + """Remove a listening callback on the specified channel.""" + if self.is_closed(): + return + if channel not in self._listeners: + return + if callback not in self._listeners[channel]: + return + self._listeners[channel].remove(callback) + if not self._listeners[channel]: + del self._listeners[channel] + await self.fetch('UNLISTEN {}'.format(utils._quote_ident(channel))) + + def add_log_listener(self, callback): + """Add a listener for Postgres log messages. + + It will be called when asyncronous NoticeResponse is received + from the connection. Possible message types are: WARNING, NOTICE, + DEBUG, INFO, or LOG. + + :param callable callback: + A callable receiving the following arguments: + **connection**: a Connection the callback is registered with; + **message**: the `exceptions.PostgresLogMessage` message. + + .. versionadded:: 0.12.0 + """ + if self.is_closed(): + raise exceptions.InterfaceError('connection is closed') + self._log_listeners.add(callback) + + def remove_log_listener(self, callback): + """Remove a listening callback for log messages. + + .. versionadded:: 0.12.0 + """ + self._log_listeners.discard(callback) + + def add_termination_listener(self, callback): + """Add a listener that will be called when the connection is closed. + + :param callable callback: + A callable receiving one argument: + **connection**: a Connection the callback is registered with. + + .. versionadded:: 0.21.0 + """ + self._termination_listeners.add(callback) + + def remove_termination_listener(self, callback): + """Remove a listening callback for connection termination. + + :param callable callback: + The callable that was passed to + :meth:`Connection.add_termination_listener`. + + .. versionadded:: 0.21.0 + """ + self._termination_listeners.discard(callback) + + def get_server_pid(self): + """Return the PID of the Postgres server the connection is bound to.""" + return self._protocol.get_server_pid() + + def get_server_version(self): + """Return the version of the connected PostgreSQL server. + + The returned value is a named tuple similar to that in + ``sys.version_info``: + + .. code-block:: pycon + + >>> con.get_server_version() + ServerVersion(major=9, minor=6, micro=1, + releaselevel='final', serial=0) + + .. versionadded:: 0.8.0 + """ + return self._server_version + + def get_settings(self): + """Return connection settings. + + :return: :class:`~asyncpg.ConnectionSettings`. + """ + return self._protocol.get_settings() + + def transaction(self, *, isolation='read_committed', readonly=False, + deferrable=False): + """Create a :class:`~transaction.Transaction` object. + + Refer to `PostgreSQL documentation`_ on the meaning of transaction + parameters. + + :param isolation: Transaction isolation mode, can be one of: + `'serializable'`, `'repeatable_read'`, + `'read_committed'`. + + :param readonly: Specifies whether or not this transaction is + read-only. + + :param deferrable: Specifies whether or not this transaction is + deferrable. + + .. _`PostgreSQL documentation`: + https://www.postgresql.org/docs/ + current/static/sql-set-transaction.html + """ + self._check_open() + return transaction.Transaction(self, isolation, readonly, deferrable) + + def is_in_transaction(self): + """Return True if Connection is currently inside a transaction. + + :return bool: True if inside transaction, False otherwise. + + .. versionadded:: 0.16.0 + """ + return self._protocol.is_in_transaction() + + async def execute(self, query: str, *args, timeout: float=None) -> str: + """Execute an SQL command (or commands). + + This method can execute many SQL commands at once, when no arguments + are provided. + + Example: + + .. code-block:: pycon + + >>> await con.execute(''' + ... CREATE TABLE mytab (a int); + ... INSERT INTO mytab (a) VALUES (100), (200), (300); + ... ''') + INSERT 0 3 + + >>> await con.execute(''' + ... INSERT INTO mytab (a) VALUES ($1), ($2) + ... ''', 10, 20) + INSERT 0 2 + + :param args: Query arguments. + :param float timeout: Optional timeout value in seconds. + :return str: Status of the last SQL command. + + .. versionchanged:: 0.5.4 + Made it possible to pass query arguments. + """ + self._check_open() + + if not args: + return await self._protocol.query(query, timeout) + + _, status, _ = await self._execute(query, args, 0, timeout, True) + return status.decode() + + async def executemany(self, command: str, args, *, timeout: float=None): + """Execute an SQL *command* for each sequence of arguments in *args*. + + Example: + + .. code-block:: pycon + + >>> await con.executemany(''' + ... INSERT INTO mytab (a) VALUES ($1, $2, $3); + ... ''', [(1, 2, 3), (4, 5, 6)]) + + :param command: Command to execute. + :param args: An iterable containing sequences of arguments. + :param float timeout: Optional timeout value in seconds. + :return None: This method discards the results of the operations. + + .. note:: + + When inserting a large number of rows, + use :meth:`Connection.copy_records_to_table()` instead, + it is much more efficient for this purpose. + + .. versionadded:: 0.7.0 + + .. versionchanged:: 0.11.0 + `timeout` became a keyword-only parameter. + """ + self._check_open() + return await self._executemany(command, args, timeout) + + async def _get_statement(self, query, timeout, *, named: bool=False, + use_cache: bool=True): + if use_cache: + statement = self._stmt_cache.get(query) + if statement is not None: + return statement + + # Only use the cache when: + # * `statement_cache_size` is greater than 0; + # * query size is less than `max_cacheable_statement_size`. + use_cache = self._stmt_cache.get_max_size() > 0 + if (use_cache and + self._config.max_cacheable_statement_size and + len(query) > self._config.max_cacheable_statement_size): + use_cache = False + + if use_cache or named: + stmt_name = self._get_unique_id('stmt') + else: + stmt_name = '' + + statement = await self._protocol.prepare(stmt_name, query, timeout) + need_reprepare = False + types_with_missing_codecs = statement._init_types() + tries = 0 + while types_with_missing_codecs: + settings = self._protocol.get_settings() + + # Introspect newly seen types and populate the + # codec cache. + types, intro_stmt = await self._introspect_types( + types_with_missing_codecs, timeout) + + settings.register_data_types(types) + + # The introspection query has used an anonymous statement, + # which has blown away the anonymous statement we've prepared + # for the query, so we need to re-prepare it. + need_reprepare = not intro_stmt.name and not statement.name + types_with_missing_codecs = statement._init_types() + tries += 1 + if tries > 5: + # In the vast majority of cases there will be only + # one iteration. In rare cases, there might be a race + # with reload_schema_state(), which would cause a + # second try. More than five is clearly a bug. + raise exceptions.InternalClientError( + 'could not resolve query result and/or argument types ' + 'in {} attempts'.format(tries) + ) + + # Now that types have been resolved, populate the codec pipeline + # for the statement. + statement._init_codecs() + + if need_reprepare: + await self._protocol.prepare( + stmt_name, query, timeout, state=statement) + + if use_cache: + self._stmt_cache.put(query, statement) + + # If we've just created a new statement object, check if there + # are any statements for GC. + if self._stmts_to_close: + await self._cleanup_stmts() + + return statement + + async def _introspect_types(self, typeoids, timeout): + return await self.__execute( + self._intro_query, (list(typeoids),), 0, timeout) + + def cursor(self, query, *args, prefetch=None, timeout=None): + """Return a *cursor factory* for the specified query. + + :param args: Query arguments. + :param int prefetch: The number of rows the *cursor iterator* + will prefetch (defaults to ``50``.) + :param float timeout: Optional timeout in seconds. + + :return: A :class:`~cursor.CursorFactory` object. + """ + self._check_open() + return cursor.CursorFactory(self, query, None, args, + prefetch, timeout) + + async def prepare(self, query, *, timeout=None): + """Create a *prepared statement* for the specified query. + + :param str query: Text of the query to create a prepared statement for. + :param float timeout: Optional timeout value in seconds. + + :return: A :class:`~prepared_stmt.PreparedStatement` instance. + """ + return await self._prepare(query, timeout=timeout, use_cache=False) + + async def _prepare(self, query, *, timeout=None, use_cache: bool=False): + self._check_open() + stmt = await self._get_statement(query, timeout, named=True, + use_cache=use_cache) + return prepared_stmt.PreparedStatement(self, query, stmt) + + async def fetch(self, query, *args, timeout=None) -> list: + """Run a query and return the results as a list of :class:`Record`. + + :param str query: Query text. + :param args: Query arguments. + :param float timeout: Optional timeout value in seconds. + + :return list: A list of :class:`Record` instances. + """ + self._check_open() + return await self._execute(query, args, 0, timeout) + + async def fetchval(self, query, *args, column=0, timeout=None): + """Run a query and return a value in the first row. + + :param str query: Query text. + :param args: Query arguments. + :param int column: Numeric index within the record of the value to + return (defaults to 0). + :param float timeout: Optional timeout value in seconds. + If not specified, defaults to the value of + ``command_timeout`` argument to the ``Connection`` + instance constructor. + + :return: The value of the specified column of the first record, or + None if no records were returned by the query. + """ + self._check_open() + data = await self._execute(query, args, 1, timeout) + if not data: + return None + return data[0][column] + + async def fetchrow(self, query, *args, timeout=None): + """Run a query and return the first row. + + :param str query: Query text + :param args: Query arguments + :param float timeout: Optional timeout value in seconds. + + :return: The first row as a :class:`Record` instance, or None if + no records were returned by the query. + """ + self._check_open() + data = await self._execute(query, args, 1, timeout) + if not data: + return None + return data[0] + + async def copy_from_table(self, table_name, *, output, + columns=None, schema_name=None, timeout=None, + format=None, oids=None, delimiter=None, + null=None, header=None, quote=None, + escape=None, force_quote=None, encoding=None): + """Copy table contents to a file or file-like object. + + :param str table_name: + The name of the table to copy data from. + + :param output: + A :term:`path-like object `, + or a :term:`file-like object `, or + a :term:`coroutine function ` + that takes a ``bytes`` instance as a sole argument. + + :param list columns: + An optional list of column names to copy. + + :param str schema_name: + An optional schema name to qualify the table. + + :param float timeout: + Optional timeout value in seconds. + + The remaining keyword arguments are ``COPY`` statement options, + see `COPY statement documentation`_ for details. + + :return: The status string of the COPY command. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... result = await con.copy_from_table( + ... 'mytable', columns=('foo', 'bar'), + ... output='file.csv', format='csv') + ... print(result) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + 'COPY 100' + + .. _`COPY statement documentation`: + https://www.postgresql.org/docs/current/static/sql-copy.html + + .. versionadded:: 0.11.0 + """ + tabname = utils._quote_ident(table_name) + if schema_name: + tabname = utils._quote_ident(schema_name) + '.' + tabname + + if columns: + cols = '({})'.format( + ', '.join(utils._quote_ident(c) for c in columns)) + else: + cols = '' + + opts = self._format_copy_opts( + format=format, oids=oids, delimiter=delimiter, + null=null, header=header, quote=quote, escape=escape, + force_quote=force_quote, encoding=encoding + ) + + copy_stmt = 'COPY {tab}{cols} TO STDOUT {opts}'.format( + tab=tabname, cols=cols, opts=opts) + + return await self._copy_out(copy_stmt, output, timeout) + + async def copy_from_query(self, query, *args, output, + timeout=None, format=None, oids=None, + delimiter=None, null=None, header=None, + quote=None, escape=None, force_quote=None, + encoding=None): + """Copy the results of a query to a file or file-like object. + + :param str query: + The query to copy the results of. + + :param args: + Query arguments. + + :param output: + A :term:`path-like object `, + or a :term:`file-like object `, or + a :term:`coroutine function ` + that takes a ``bytes`` instance as a sole argument. + + :param float timeout: + Optional timeout value in seconds. + + The remaining keyword arguments are ``COPY`` statement options, + see `COPY statement documentation`_ for details. + + :return: The status string of the COPY command. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... result = await con.copy_from_query( + ... 'SELECT foo, bar FROM mytable WHERE foo > $1', 10, + ... output='file.csv', format='csv') + ... print(result) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + 'COPY 10' + + .. _`COPY statement documentation`: + https://www.postgresql.org/docs/current/static/sql-copy.html + + .. versionadded:: 0.11.0 + """ + opts = self._format_copy_opts( + format=format, oids=oids, delimiter=delimiter, + null=null, header=header, quote=quote, escape=escape, + force_quote=force_quote, encoding=encoding + ) + + if args: + query = await utils._mogrify(self, query, args) + + copy_stmt = 'COPY ({query}) TO STDOUT {opts}'.format( + query=query, opts=opts) + + return await self._copy_out(copy_stmt, output, timeout) + + async def copy_to_table(self, table_name, *, source, + columns=None, schema_name=None, timeout=None, + format=None, oids=None, freeze=None, + delimiter=None, null=None, header=None, + quote=None, escape=None, force_quote=None, + force_not_null=None, force_null=None, + encoding=None): + """Copy data to the specified table. + + :param str table_name: + The name of the table to copy data to. + + :param source: + A :term:`path-like object `, + or a :term:`file-like object `, or + an :term:`asynchronous iterable ` + that returns ``bytes``, or an object supporting the + :ref:`buffer protocol `. + + :param list columns: + An optional list of column names to copy. + + :param str schema_name: + An optional schema name to qualify the table. + + :param float timeout: + Optional timeout value in seconds. + + The remaining keyword arguments are ``COPY`` statement options, + see `COPY statement documentation`_ for details. + + :return: The status string of the COPY command. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... result = await con.copy_to_table( + ... 'mytable', source='datafile.tbl') + ... print(result) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + 'COPY 140000' + + .. _`COPY statement documentation`: + https://www.postgresql.org/docs/current/static/sql-copy.html + + .. versionadded:: 0.11.0 + """ + tabname = utils._quote_ident(table_name) + if schema_name: + tabname = utils._quote_ident(schema_name) + '.' + tabname + + if columns: + cols = '({})'.format( + ', '.join(utils._quote_ident(c) for c in columns)) + else: + cols = '' + + opts = self._format_copy_opts( + format=format, oids=oids, freeze=freeze, delimiter=delimiter, + null=null, header=header, quote=quote, escape=escape, + force_not_null=force_not_null, force_null=force_null, + encoding=encoding + ) + + copy_stmt = 'COPY {tab}{cols} FROM STDIN {opts}'.format( + tab=tabname, cols=cols, opts=opts) + + return await self._copy_in(copy_stmt, source, timeout) + + async def copy_records_to_table(self, table_name, *, records, + columns=None, schema_name=None, + timeout=None): + """Copy a list of records to the specified table using binary COPY. + + :param str table_name: + The name of the table to copy data to. + + :param records: + An iterable returning row tuples to copy into the table. + + :param list columns: + An optional list of column names to copy. + + :param str schema_name: + An optional schema name to qualify the table. + + :param float timeout: + Optional timeout value in seconds. + + :return: The status string of the COPY command. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... result = await con.copy_records_to_table( + ... 'mytable', records=[ + ... (1, 'foo', 'bar'), + ... (2, 'ham', 'spam')]) + ... print(result) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + 'COPY 2' + + .. versionadded:: 0.11.0 + """ + tabname = utils._quote_ident(table_name) + if schema_name: + tabname = utils._quote_ident(schema_name) + '.' + tabname + + if columns: + col_list = ', '.join(utils._quote_ident(c) for c in columns) + cols = '({})'.format(col_list) + else: + col_list = '*' + cols = '' + + intro_query = 'SELECT {cols} FROM {tab} LIMIT 1'.format( + tab=tabname, cols=col_list) + + intro_ps = await self._prepare(intro_query, use_cache=True) + + opts = '(FORMAT binary)' + + copy_stmt = 'COPY {tab}{cols} FROM STDIN {opts}'.format( + tab=tabname, cols=cols, opts=opts) + + return await self._copy_in_records( + copy_stmt, records, intro_ps._state, timeout) + + def _format_copy_opts(self, *, format=None, oids=None, freeze=None, + delimiter=None, null=None, header=None, quote=None, + escape=None, force_quote=None, force_not_null=None, + force_null=None, encoding=None): + kwargs = dict(locals()) + kwargs.pop('self') + opts = [] + + if force_quote is not None and isinstance(force_quote, bool): + kwargs.pop('force_quote') + if force_quote: + opts.append('FORCE_QUOTE *') + + for k, v in kwargs.items(): + if v is not None: + if k in ('force_not_null', 'force_null', 'force_quote'): + v = '(' + ', '.join(utils._quote_ident(c) for c in v) + ')' + elif k in ('oids', 'freeze', 'header'): + v = str(v) + else: + v = utils._quote_literal(v) + + opts.append('{} {}'.format(k.upper(), v)) + + if opts: + return '(' + ', '.join(opts) + ')' + else: + return '' + + async def _copy_out(self, copy_stmt, output, timeout): + try: + path = compat.fspath(output) + except TypeError: + # output is not a path-like object + path = None + + writer = None + opened_by_us = False + run_in_executor = self._loop.run_in_executor + + if path is not None: + # a path + f = await run_in_executor(None, open, path, 'wb') + opened_by_us = True + elif hasattr(output, 'write'): + # file-like + f = output + elif callable(output): + # assuming calling output returns an awaitable. + writer = output + else: + raise TypeError( + 'output is expected to be a file-like object, ' + 'a path-like object or a coroutine function, ' + 'not {}'.format(type(output).__name__) + ) + + if writer is None: + async def _writer(data): + await run_in_executor(None, f.write, data) + writer = _writer + + try: + return await self._protocol.copy_out(copy_stmt, writer, timeout) + finally: + if opened_by_us: + f.close() + + async def _copy_in(self, copy_stmt, source, timeout): + try: + path = compat.fspath(source) + except TypeError: + # source is not a path-like object + path = None + + f = None + reader = None + data = None + opened_by_us = False + run_in_executor = self._loop.run_in_executor + + if path is not None: + # a path + f = await run_in_executor(None, open, path, 'rb') + opened_by_us = True + elif hasattr(source, 'read'): + # file-like + f = source + elif isinstance(source, collections.abc.AsyncIterable): + # assuming calling output returns an awaitable. + reader = source + else: + # assuming source is an instance supporting the buffer protocol. + data = source + + if f is not None: + # Copying from a file-like object. + class _Reader: + @compat.aiter_compat + def __aiter__(self): + return self + + async def __anext__(self): + data = await run_in_executor(None, f.read, 524288) + if len(data) == 0: + raise StopAsyncIteration + else: + return data + + reader = _Reader() + + try: + return await self._protocol.copy_in( + copy_stmt, reader, data, None, None, timeout) + finally: + if opened_by_us: + await run_in_executor(None, f.close) + + async def _copy_in_records(self, copy_stmt, records, intro_stmt, timeout): + return await self._protocol.copy_in( + copy_stmt, None, None, records, intro_stmt, timeout) + + async def set_type_codec(self, typename, *, + schema='public', encoder, decoder, + format='text'): + """Set an encoder/decoder pair for the specified data type. + + :param typename: + Name of the data type the codec is for. + + :param schema: + Schema name of the data type the codec is for + (defaults to ``'public'``) + + :param format: + The type of the argument received by the *decoder* callback, + and the type of the *encoder* callback return value. + + If *format* is ``'text'`` (the default), the exchange datum is a + ``str`` instance containing valid text representation of the + data type. + + If *format* is ``'binary'``, the exchange datum is a ``bytes`` + instance containing valid _binary_ representation of the + data type. + + If *format* is ``'tuple'``, the exchange datum is a type-specific + ``tuple`` of values. The table below lists supported data + types and their format for this mode. + + +-----------------+---------------------------------------------+ + | Type | Tuple layout | + +=================+=============================================+ + | ``interval`` | (``months``, ``days``, ``microseconds``) | + +-----------------+---------------------------------------------+ + | ``date`` | (``date ordinal relative to Jan 1 2000``,) | + | | ``-2^31`` for negative infinity timestamp | + | | ``2^31-1`` for positive infinity timestamp. | + +-----------------+---------------------------------------------+ + | ``timestamp`` | (``microseconds relative to Jan 1 2000``,) | + | | ``-2^63`` for negative infinity timestamp | + | | ``2^63-1`` for positive infinity timestamp. | + +-----------------+---------------------------------------------+ + | ``timestamp | (``microseconds relative to Jan 1 2000 | + | with time zone``| UTC``,) | + | | ``-2^63`` for negative infinity timestamp | + | | ``2^63-1`` for positive infinity timestamp. | + +-----------------+---------------------------------------------+ + | ``time`` | (``microseconds``,) | + +-----------------+---------------------------------------------+ + | ``time with | (``microseconds``, | + | time zone`` | ``time zone offset in seconds``) | + +-----------------+---------------------------------------------+ + + :param encoder: + Callable accepting a Python object as a single argument and + returning a value encoded according to *format*. + + :param decoder: + Callable accepting a single argument encoded according to *format* + and returning a decoded Python object. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> import datetime + >>> from dateutil.relativedelta import relativedelta + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... def encoder(delta): + ... ndelta = delta.normalized() + ... return (ndelta.years * 12 + ndelta.months, + ... ndelta.days, + ... ((ndelta.hours * 3600 + + ... ndelta.minutes * 60 + + ... ndelta.seconds) * 1000000 + + ... ndelta.microseconds)) + ... def decoder(tup): + ... return relativedelta(months=tup[0], days=tup[1], + ... microseconds=tup[2]) + ... await con.set_type_codec( + ... 'interval', schema='pg_catalog', encoder=encoder, + ... decoder=decoder, format='tuple') + ... result = await con.fetchval( + ... "SELECT '2 years 3 mons 1 day'::interval") + ... print(result) + ... print(datetime.datetime(2002, 1, 1) + result) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + relativedelta(years=+2, months=+3, days=+1) + 2004-04-02 00:00:00 + + .. versionadded:: 0.12.0 + Added the ``format`` keyword argument and support for 'tuple' + format. + + .. versionchanged:: 0.12.0 + The ``binary`` keyword argument is deprecated in favor of + ``format``. + + .. versionchanged:: 0.13.0 + The ``binary`` keyword argument was removed in favor of + ``format``. + """ + self._check_open() + + typeinfo = await self.fetchrow( + introspection.TYPE_BY_NAME, typename, schema) + if not typeinfo: + raise ValueError('unknown type: {}.{}'.format(schema, typename)) + + if not introspection.is_scalar_type(typeinfo): + raise ValueError( + 'cannot use custom codec on non-scalar type {}.{}'.format( + schema, typename)) + + oid = typeinfo['oid'] + self._protocol.get_settings().add_python_codec( + oid, typename, schema, 'scalar', + encoder, decoder, format) + + # Statement cache is no longer valid due to codec changes. + self._drop_local_statement_cache() + + async def reset_type_codec(self, typename, *, schema='public'): + """Reset *typename* codec to the default implementation. + + :param typename: + Name of the data type the codec is for. + + :param schema: + Schema name of the data type the codec is for + (defaults to ``'public'``) + + .. versionadded:: 0.12.0 + """ + + typeinfo = await self.fetchrow( + introspection.TYPE_BY_NAME, typename, schema) + if not typeinfo: + raise ValueError('unknown type: {}.{}'.format(schema, typename)) + + oid = typeinfo['oid'] + + self._protocol.get_settings().remove_python_codec( + oid, typename, schema) + + # Statement cache is no longer valid due to codec changes. + self._drop_local_statement_cache() + + async def set_builtin_type_codec(self, typename, *, + schema='public', codec_name, + format=None): + """Set a builtin codec for the specified scalar data type. + + This method has two uses. The first is to register a builtin + codec for an extension type without a stable OID, such as 'hstore'. + The second use is to declare that an extension type or a + user-defined type is wire-compatible with a certain builtin + data type and should be exchanged as such. + + :param typename: + Name of the data type the codec is for. + + :param schema: + Schema name of the data type the codec is for + (defaults to ``'public'``). + + :param codec_name: + The name of the builtin codec to use for the type. + This should be either the name of a known core type + (such as ``"int"``), or the name of a supported extension + type. Currently, the only supported extension type is + ``"pg_contrib.hstore"``. + + :param format: + If *format* is ``None`` (the default), all formats supported + by the target codec are declared to be supported for *typename*. + If *format* is ``'text'`` or ``'binary'``, then only the + specified format is declared to be supported for *typename*. + + .. versionchanged:: 0.18.0 + The *codec_name* argument can be the name of any known + core data type. Added the *format* keyword argument. + """ + self._check_open() + + typeinfo = await self.fetchrow( + introspection.TYPE_BY_NAME, typename, schema) + if not typeinfo: + raise exceptions.InterfaceError( + 'unknown type: {}.{}'.format(schema, typename)) + + if not introspection.is_scalar_type(typeinfo): + raise exceptions.InterfaceError( + 'cannot alias non-scalar type {}.{}'.format( + schema, typename)) + + oid = typeinfo['oid'] + + self._protocol.get_settings().set_builtin_type_codec( + oid, typename, schema, 'scalar', codec_name, format) + + # Statement cache is no longer valid due to codec changes. + self._drop_local_statement_cache() + + def is_closed(self): + """Return ``True`` if the connection is closed, ``False`` otherwise. + + :return bool: ``True`` if the connection is closed, ``False`` + otherwise. + """ + return self._aborted or not self._protocol.is_connected() + + async def close(self, *, timeout=None): + """Close the connection gracefully. + + :param float timeout: + Optional timeout value in seconds. + + .. versionchanged:: 0.14.0 + Added the *timeout* parameter. + """ + try: + if not self.is_closed(): + await self._protocol.close(timeout) + except (Exception, asyncio.CancelledError): + # If we fail to close gracefully, abort the connection. + self._abort() + raise + finally: + self._cleanup() + + def terminate(self): + """Terminate the connection without waiting for pending data.""" + if not self.is_closed(): + self._abort() + self._cleanup() + + async def reset(self, *, timeout=None): + self._check_open() + self._listeners.clear() + self._log_listeners.clear() + reset_query = self._get_reset_query() + + if self._protocol.is_in_transaction() or self._top_xact is not None: + if self._top_xact is None or not self._top_xact._managed: + # Managed transactions are guaranteed to __aexit__ + # correctly. + self._loop.call_exception_handler({ + 'message': 'Resetting connection with an ' + 'active transaction {!r}'.format(self) + }) + + self._top_xact = None + reset_query = 'ROLLBACK;\n' + reset_query + + if reset_query: + await self.execute(reset_query, timeout=timeout) + + def _abort(self): + # Put the connection into the aborted state. + self._aborted = True + self._protocol.abort() + self._protocol = None + + def _cleanup(self): + self._call_termination_listeners() + # Free the resources associated with this connection. + # This must be called when a connection is terminated. + + if self._proxy is not None: + # Connection is a member of a pool, so let the pool + # know that this connection is dead. + self._proxy._holder._release_on_close() + + self._mark_stmts_as_closed() + self._listeners.clear() + self._log_listeners.clear() + self._clean_tasks() + + def _clean_tasks(self): + # Wrap-up any remaining tasks associated with this connection. + if self._cancellations: + for fut in self._cancellations: + if not fut.done(): + fut.cancel() + self._cancellations.clear() + + def _check_open(self): + if self.is_closed(): + raise exceptions.InterfaceError('connection is closed') + + def _get_unique_id(self, prefix): + global _uid + _uid += 1 + return '__asyncpg_{}_{:x}__'.format(prefix, _uid) + + def _mark_stmts_as_closed(self): + for stmt in self._stmt_cache.iter_statements(): + stmt.mark_closed() + + for stmt in self._stmts_to_close: + stmt.mark_closed() + + self._stmt_cache.clear() + self._stmts_to_close.clear() + + def _maybe_gc_stmt(self, stmt): + if stmt.refs == 0 and not self._stmt_cache.has(stmt.query): + # If low-level `stmt` isn't referenced from any high-level + # `PreparedStatement` object and is not in the `_stmt_cache`: + # + # * mark it as closed, which will make it non-usable + # for any `PreparedStatement` or for methods like + # `Connection.fetch()`. + # + # * schedule it to be formally closed on the server. + stmt.mark_closed() + self._stmts_to_close.add(stmt) + + async def _cleanup_stmts(self): + # Called whenever we create a new prepared statement in + # `Connection._get_statement()` and `_stmts_to_close` is + # not empty. + to_close = self._stmts_to_close + self._stmts_to_close = set() + for stmt in to_close: + # It is imperative that statements are cleaned properly, + # so we ignore the timeout. + await self._protocol.close_statement(stmt, protocol.NO_TIMEOUT) + + async def _cancel(self, waiter): + try: + # Open new connection to the server + await connect_utils._cancel( + loop=self._loop, addr=self._addr, params=self._params, + backend_pid=self._protocol.backend_pid, + backend_secret=self._protocol.backend_secret) + except ConnectionResetError as ex: + # On some systems Postgres will reset the connection + # after processing the cancellation command. + if not waiter.done(): + waiter.set_exception(ex) + except asyncio.CancelledError: + # There are two scenarios in which the cancellation + # itself will be cancelled: 1) the connection is being closed, + # 2) the event loop is being shut down. + # In either case we do not care about the propagation of + # the CancelledError, and don't want the loop to warn about + # an unretrieved exception. + pass + except (Exception, asyncio.CancelledError) as ex: + if not waiter.done(): + waiter.set_exception(ex) + finally: + self._cancellations.discard( + compat.current_asyncio_task(self._loop)) + if not waiter.done(): + waiter.set_result(None) + + def _cancel_current_command(self, waiter): + self._cancellations.add(self._loop.create_task(self._cancel(waiter))) + + def _process_log_message(self, fields, last_query): + if not self._log_listeners: + return + + message = exceptions.PostgresLogMessage.new(fields, query=last_query) + + con_ref = self._unwrap() + for cb in self._log_listeners: + self._loop.call_soon( + self._call_log_listener, cb, con_ref, message) + + def _call_log_listener(self, cb, con_ref, message): + try: + cb(con_ref, message) + except Exception as ex: + self._loop.call_exception_handler({ + 'message': 'Unhandled exception in asyncpg log message ' + 'listener callback {!r}'.format(cb), + 'exception': ex + }) + + def _call_termination_listeners(self): + if not self._termination_listeners: + return + + con_ref = self._unwrap() + for cb in self._termination_listeners: + try: + cb(con_ref) + except Exception as ex: + self._loop.call_exception_handler({ + 'message': ( + 'Unhandled exception in asyncpg connection ' + 'termination listener callback {!r}'.format(cb) + ), + 'exception': ex + }) + + self._termination_listeners.clear() + + def _process_notification(self, pid, channel, payload): + if channel not in self._listeners: + return + + con_ref = self._unwrap() + for cb in self._listeners[channel]: + self._loop.call_soon( + self._call_listener, cb, con_ref, pid, channel, payload) + + def _call_listener(self, cb, con_ref, pid, channel, payload): + try: + cb(con_ref, pid, channel, payload) + except Exception as ex: + self._loop.call_exception_handler({ + 'message': 'Unhandled exception in asyncpg notification ' + 'listener callback {!r}'.format(cb), + 'exception': ex + }) + + def _unwrap(self): + if self._proxy is None: + con_ref = self + else: + # `_proxy` is not None when the connection is a member + # of a connection pool. Which means that the user is working + # with a `PoolConnectionProxy` instance, and expects to see it + # (and not the actual Connection) in their event callbacks. + con_ref = self._proxy + return con_ref + + def _get_reset_query(self): + if self._reset_query is not None: + return self._reset_query + + caps = self._server_caps + + _reset_query = [] + if caps.advisory_locks: + _reset_query.append('SELECT pg_advisory_unlock_all();') + if caps.sql_close_all: + _reset_query.append('CLOSE ALL;') + if caps.notifications and caps.plpgsql: + _reset_query.append(''' + DO $$ + BEGIN + PERFORM * FROM pg_listening_channels() LIMIT 1; + IF FOUND THEN + UNLISTEN *; + END IF; + END; + $$; + ''') + if caps.sql_reset: + _reset_query.append('RESET ALL;') + + _reset_query = '\n'.join(_reset_query) + self._reset_query = _reset_query + + return _reset_query + + def _set_proxy(self, proxy): + if self._proxy is not None and proxy is not None: + # Should not happen unless there is a bug in `Pool`. + raise exceptions.InterfaceError( + 'internal asyncpg error: connection is already proxied') + + self._proxy = proxy + + def _check_listeners(self, listeners, listener_type): + if listeners: + count = len(listeners) + + w = exceptions.InterfaceWarning( + '{conn!r} is being released to the pool but has {c} active ' + '{type} listener{s}'.format( + conn=self, c=count, type=listener_type, + s='s' if count > 1 else '')) + + warnings.warn(w) + + def _on_release(self, stacklevel=1): + # Invalidate external references to the connection. + self._pool_release_ctr += 1 + # Called when the connection is about to be released to the pool. + # Let's check that the user has not left any listeners on it. + self._check_listeners( + list(itertools.chain.from_iterable(self._listeners.values())), + 'notification') + self._check_listeners( + self._log_listeners, 'log') + + def _drop_local_statement_cache(self): + self._stmt_cache.clear() + + def _drop_global_statement_cache(self): + if self._proxy is not None: + # This connection is a member of a pool, so we delegate + # the cache drop to the pool. + pool = self._proxy._holder._pool + pool._drop_statement_cache() + else: + self._drop_local_statement_cache() + + def _drop_local_type_cache(self): + self._protocol.get_settings().clear_type_cache() + + def _drop_global_type_cache(self): + if self._proxy is not None: + # This connection is a member of a pool, so we delegate + # the cache drop to the pool. + pool = self._proxy._holder._pool + pool._drop_type_cache() + else: + self._drop_local_type_cache() + + async def reload_schema_state(self): + """Indicate that the database schema information must be reloaded. + + For performance reasons, asyncpg caches certain aspects of the + database schema, such as the layout of composite types. Consequently, + when the database schema changes, and asyncpg is not able to + gracefully recover from an error caused by outdated schema + assumptions, an :exc:`~asyncpg.exceptions.OutdatedSchemaCacheError` + is raised. To prevent the exception, this method may be used to inform + asyncpg that the database schema has changed. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def change_type(con): + ... result = await con.fetch('SELECT id, info FROM tbl') + ... # Change composite's attribute type "int"=>"text" + ... await con.execute('ALTER TYPE custom DROP ATTRIBUTE y') + ... await con.execute('ALTER TYPE custom ADD ATTRIBUTE y text') + ... await con.reload_schema_state() + ... for id_, info in result: + ... new = (info['x'], str(info['y'])) + ... await con.execute( + ... 'UPDATE tbl SET info=$2 WHERE id=$1', id_, new) + ... + >>> async def run(): + ... # Initial schema: + ... # CREATE TYPE custom AS (x int, y int); + ... # CREATE TABLE tbl(id int, info custom); + ... con = await asyncpg.connect(user='postgres') + ... async with con.transaction(): + ... # Prevent concurrent changes in the table + ... await con.execute('LOCK TABLE tbl') + ... await change_type(con) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + + .. versionadded:: 0.14.0 + """ + self._drop_global_type_cache() + self._drop_global_statement_cache() + + async def _execute(self, query, args, limit, timeout, return_status=False): + with self._stmt_exclusive_section: + result, _ = await self.__execute( + query, args, limit, timeout, return_status=return_status) + return result + + async def __execute(self, query, args, limit, timeout, + return_status=False): + executor = lambda stmt, timeout: self._protocol.bind_execute( + stmt, args, '', limit, return_status, timeout) + timeout = self._protocol._get_timeout(timeout) + return await self._do_execute(query, executor, timeout) + + async def _executemany(self, query, args, timeout): + executor = lambda stmt, timeout: self._protocol.bind_execute_many( + stmt, args, '', timeout) + timeout = self._protocol._get_timeout(timeout) + with self._stmt_exclusive_section: + result, _ = await self._do_execute(query, executor, timeout) + return result + + async def _do_execute(self, query, executor, timeout, retry=True): + if timeout is None: + stmt = await self._get_statement(query, None) + else: + before = time.monotonic() + stmt = await self._get_statement(query, timeout) + after = time.monotonic() + timeout -= after - before + before = after + + try: + if timeout is None: + result = await executor(stmt, None) + else: + try: + result = await executor(stmt, timeout) + finally: + after = time.monotonic() + timeout -= after - before + + except exceptions.OutdatedSchemaCacheError: + # This exception is raised when we detect a difference between + # cached type's info and incoming tuple from the DB (when a type is + # changed by the ALTER TYPE). + # It is not possible to recover (the statement is already done at + # the server's side), the only way is to drop our caches and + # reraise the exception to the caller. + await self.reload_schema_state() + raise + except exceptions.InvalidCachedStatementError: + # PostgreSQL will raise an exception when it detects + # that the result type of the query has changed from + # when the statement was prepared. This may happen, + # for example, after an ALTER TABLE or SET search_path. + # + # When this happens, and there is no transaction running, + # we can simply re-prepare the statement and try once + # again. We deliberately retry only once as this is + # supposed to be a rare occurrence. + # + # If the transaction _is_ running, this error will put it + # into an error state, and we have no choice but to + # re-raise the exception. + # + # In either case we clear the statement cache for this + # connection and all other connections of the pool this + # connection belongs to (if any). + # + # See https://github.com/MagicStack/asyncpg/issues/72 + # and https://github.com/MagicStack/asyncpg/issues/76 + # for discussion. + # + self._drop_global_statement_cache() + if self._protocol.is_in_transaction() or not retry: + raise + else: + return await self._do_execute( + query, executor, timeout, retry=False) + + return result, stmt + + +async def connect(dsn=None, *, + host=None, port=None, + user=None, password=None, passfile=None, + database=None, + loop=None, + timeout=60, + statement_cache_size=100, + max_cached_statement_lifetime=300, + max_cacheable_statement_size=1024 * 15, + command_timeout=None, + ssl=None, + connection_class=Connection, + server_settings=None): + r"""A coroutine to establish a connection to a PostgreSQL server. + + The connection parameters may be specified either as a connection + URI in *dsn*, or as specific keyword arguments, or both. + If both *dsn* and keyword arguments are specified, the latter + override the corresponding values parsed from the connection URI. + The default values for the majority of arguments can be specified + using `environment variables `_. + + Returns a new :class:`~asyncpg.connection.Connection` object. + + :param dsn: + Connection arguments specified using as a single string in the + `libpq connection URI format`_: + ``postgres://user:password@host:port/database?option=value``. + The following options are recognized by asyncpg: host, port, + user, database (or dbname), password, passfile, sslmode. + Unlike libpq, asyncpg will treat unrecognized options + as `server settings`_ to be used for the connection. + + :param host: + Database host address as one of the following: + + - an IP address or a domain name; + - an absolute path to the directory containing the database + server Unix-domain socket (not supported on Windows); + - a sequence of any of the above, in which case the addresses + will be tried in order, and the first successful connection + will be returned. + + If not specified, asyncpg will try the following, in order: + + - host address(es) parsed from the *dsn* argument, + - the value of the ``PGHOST`` environment variable, + - on Unix, common directories used for PostgreSQL Unix-domain + sockets: ``"/run/postgresql"``, ``"/var/run/postgresl"``, + ``"/var/pgsql_socket"``, ``"/private/tmp"``, and ``"/tmp"``, + - ``"localhost"``. + + :param port: + Port number to connect to at the server host + (or Unix-domain socket file extension). If multiple host + addresses were specified, this parameter may specify a + sequence of port numbers of the same length as the host sequence, + or it may specify a single port number to be used for all host + addresses. + + If not specified, the value parsed from the *dsn* argument is used, + or the value of the ``PGPORT`` environment variable, or ``5432`` if + neither is specified. + + :param user: + The name of the database role used for authentication. + + If not specified, the value parsed from the *dsn* argument is used, + or the value of the ``PGUSER`` environment variable, or the + operating system name of the user running the application. + + :param database: + The name of the database to connect to. + + If not specified, the value parsed from the *dsn* argument is used, + or the value of the ``PGDATABASE`` environment variable, or the + operating system name of the user running the application. + + :param password: + Password to be used for authentication, if the server requires + one. If not specified, the value parsed from the *dsn* argument + is used, or the value of the ``PGPASSWORD`` environment variable. + Note that the use of the environment variable is discouraged as + other users and applications may be able to read it without needing + specific privileges. It is recommended to use *passfile* instead. + + Password may be either a string, or a callable that returns a string. + If a callable is provided, it will be called each time a new connection + is established. + + :param passfile: + The name of the file used to store passwords + (defaults to ``~/.pgpass``, or ``%APPDATA%\postgresql\pgpass.conf`` + on Windows). + + :param loop: + An asyncio event loop instance. If ``None``, the default + event loop will be used. + + :param float timeout: + Connection timeout in seconds. + + :param int statement_cache_size: + The size of prepared statement LRU cache. Pass ``0`` to + disable the cache. + + :param int max_cached_statement_lifetime: + The maximum time in seconds a prepared statement will stay + in the cache. Pass ``0`` to allow statements be cached + indefinitely. + + :param int max_cacheable_statement_size: + The maximum size of a statement that can be cached (15KiB by + default). Pass ``0`` to allow all statements to be cached + regardless of their size. + + :param float command_timeout: + The default timeout for operations on this connection + (the default is ``None``: no timeout). + + :param ssl: + Pass ``True`` or an `ssl.SSLContext `_ instance to + require an SSL connection. If ``True``, a default SSL context + returned by `ssl.create_default_context() `_ + will be used. + + :param dict server_settings: + An optional dict of server runtime parameters. Refer to + PostgreSQL documentation for + a `list of supported options `_. + + :param Connection connection_class: + Class of the returned connection object. Must be a subclass of + :class:`~asyncpg.connection.Connection`. + + :return: A :class:`~asyncpg.connection.Connection` instance. + + Example: + + .. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> async def run(): + ... con = await asyncpg.connect(user='postgres') + ... types = await con.fetch('SELECT * FROM pg_type') + ... print(types) + ... + >>> asyncio.get_event_loop().run_until_complete(run()) + [= 0 + self._max_size = new_size + self._maybe_cleanup() + + def get_max_lifetime(self): + return self._max_lifetime + + def set_max_lifetime(self, new_lifetime): + assert new_lifetime >= 0 + self._max_lifetime = new_lifetime + for entry in self._entries.values(): + # For every entry cancel the existing callback + # and setup a new one if necessary. + self._set_entry_timeout(entry) + + def get(self, query, *, promote=True): + if not self._max_size: + # The cache is disabled. + return + + entry = self._entries.get(query) # type: _StatementCacheEntry + if entry is None: + return + + if entry._statement.closed: + # Happens in unittests when we call `stmt._state.mark_closed()` + # manually or when a prepared statement closes itself on type + # cache error. + self._entries.pop(query) + self._clear_entry_callback(entry) + return + + if promote: + # `promote` is `False` when `get()` is called by `has()`. + self._entries.move_to_end(query, last=True) + + return entry._statement + + def has(self, query): + return self.get(query, promote=False) is not None + + def put(self, query, statement): + if not self._max_size: + # The cache is disabled. + return + + self._entries[query] = self._new_entry(query, statement) + + # Check if the cache is bigger than max_size and trim it + # if necessary. + self._maybe_cleanup() + + def iter_statements(self): + return (e._statement for e in self._entries.values()) + + def clear(self): + # Store entries for later. + entries = tuple(self._entries.values()) + + # Clear the entries dict. + self._entries.clear() + + # Make sure that we cancel all scheduled callbacks + # and call on_remove callback for each entry. + for entry in entries: + self._clear_entry_callback(entry) + self._on_remove(entry._statement) + + def _set_entry_timeout(self, entry): + # Clear the existing timeout. + self._clear_entry_callback(entry) + + # Set the new timeout if it's not 0. + if self._max_lifetime: + entry._cleanup_cb = self._loop.call_later( + self._max_lifetime, self._on_entry_expired, entry) + + def _new_entry(self, query, statement): + entry = _StatementCacheEntry(self, query, statement) + self._set_entry_timeout(entry) + return entry + + def _on_entry_expired(self, entry): + # `call_later` callback, called when an entry stayed longer + # than `self._max_lifetime`. + if self._entries.get(entry._query) is entry: + self._entries.pop(entry._query) + self._on_remove(entry._statement) + + def _clear_entry_callback(self, entry): + if entry._cleanup_cb is not None: + entry._cleanup_cb.cancel() + + def _maybe_cleanup(self): + # Delete cache entries until the size of the cache is `max_size`. + while len(self._entries) > self._max_size: + old_query, old_entry = self._entries.popitem(last=False) + self._clear_entry_callback(old_entry) + + # Let the connection know that the statement was removed + # from the cache. + self._on_remove(old_entry._statement) + + +class _Atomic: + __slots__ = ('_acquired',) + + def __init__(self): + self._acquired = 0 + + def __enter__(self): + if self._acquired: + raise exceptions.InterfaceError( + 'cannot perform operation: another operation is in progress') + self._acquired = 1 + + def __exit__(self, t, e, tb): + self._acquired = 0 + + +class _ConnectionProxy: + # Base class to enable `isinstance(Connection)` check. + __slots__ = () + + +ServerCapabilities = collections.namedtuple( + 'ServerCapabilities', + ['advisory_locks', 'notifications', 'plpgsql', 'sql_reset', + 'sql_close_all']) +ServerCapabilities.__doc__ = 'PostgreSQL server capabilities.' + + +def _detect_server_capabilities(server_version, connection_settings): + if hasattr(connection_settings, 'padb_revision'): + # Amazon Redshift detected. + advisory_locks = False + notifications = False + plpgsql = False + sql_reset = True + sql_close_all = False + elif hasattr(connection_settings, 'crdb_version'): + # CockroachDB detected. + advisory_locks = False + notifications = False + plpgsql = False + sql_reset = False + sql_close_all = False + elif hasattr(connection_settings, 'crate_version'): + # CrateDB detected. + advisory_locks = False + notifications = False + plpgsql = False + sql_reset = False + sql_close_all = False + else: + # Standard PostgreSQL server assumed. + advisory_locks = True + notifications = True + plpgsql = True + sql_reset = True + sql_close_all = True + + return ServerCapabilities( + advisory_locks=advisory_locks, + notifications=notifications, + plpgsql=plpgsql, + sql_reset=sql_reset, + sql_close_all=sql_close_all + ) + + +def _extract_stack(limit=10): + """Replacement for traceback.extract_stack() that only does the + necessary work for asyncio debug mode. + """ + frame = sys._getframe().f_back + try: + stack = traceback.StackSummary.extract( + traceback.walk_stack(frame), lookup_lines=False) + finally: + del frame + + apg_path = asyncpg.__path__[0] + i = 0 + while i < len(stack) and stack[i][0].startswith(apg_path): + i += 1 + stack = stack[i:i + limit] + + stack.reverse() + return ''.join(traceback.format_list(stack)) + + +_uid = 0 diff --git a/asyncpg/connresource.py b/asyncpg/connresource.py new file mode 100644 index 0000000..3b0c1d3 --- /dev/null +++ b/asyncpg/connresource.py @@ -0,0 +1,44 @@ + +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import functools + +from . import exceptions + + +def guarded(meth): + """A decorator to add a sanity check to ConnectionResource methods.""" + + @functools.wraps(meth) + def _check(self, *args, **kwargs): + self._check_conn_validity(meth.__name__) + return meth(self, *args, **kwargs) + + return _check + + +class ConnectionResource: + __slots__ = ('_connection', '_con_release_ctr') + + def __init__(self, connection): + self._connection = connection + self._con_release_ctr = connection._pool_release_ctr + + def _check_conn_validity(self, meth_name): + con_release_ctr = self._connection._pool_release_ctr + if con_release_ctr != self._con_release_ctr: + raise exceptions.InterfaceError( + 'cannot call {}.{}(): ' + 'the underlying connection has been released back ' + 'to the pool'.format(self.__class__.__name__, meth_name)) + + if self._connection.is_closed(): + raise exceptions.InterfaceError( + 'cannot call {}.{}(): ' + 'the underlying connection is closed'.format( + self.__class__.__name__, meth_name)) diff --git a/asyncpg/cursor.py b/asyncpg/cursor.py new file mode 100644 index 0000000..030def0 --- /dev/null +++ b/asyncpg/cursor.py @@ -0,0 +1,260 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import collections + +from . import compat +from . import connresource +from . import exceptions + + +class CursorFactory(connresource.ConnectionResource): + """A cursor interface for the results of a query. + + A cursor interface can be used to initiate efficient traversal of the + results of a large query. + """ + + __slots__ = ('_state', '_args', '_prefetch', '_query', '_timeout') + + def __init__(self, connection, query, state, args, prefetch, timeout): + super().__init__(connection) + self._args = args + self._prefetch = prefetch + self._query = query + self._timeout = timeout + self._state = state + if state is not None: + state.attach() + + @compat.aiter_compat + @connresource.guarded + def __aiter__(self): + prefetch = 50 if self._prefetch is None else self._prefetch + return CursorIterator(self._connection, + self._query, self._state, + self._args, prefetch, + self._timeout) + + @connresource.guarded + def __await__(self): + if self._prefetch is not None: + raise exceptions.InterfaceError( + 'prefetch argument can only be specified for iterable cursor') + cursor = Cursor(self._connection, self._query, + self._state, self._args) + return cursor._init(self._timeout).__await__() + + def __del__(self): + if self._state is not None: + self._state.detach() + self._connection._maybe_gc_stmt(self._state) + + +class BaseCursor(connresource.ConnectionResource): + + __slots__ = ('_state', '_args', '_portal_name', '_exhausted', '_query') + + def __init__(self, connection, query, state, args): + super().__init__(connection) + self._args = args + self._state = state + if state is not None: + state.attach() + self._portal_name = None + self._exhausted = False + self._query = query + + def _check_ready(self): + if self._state is None: + raise exceptions.InterfaceError( + 'cursor: no associated prepared statement') + + if self._state.closed: + raise exceptions.InterfaceError( + 'cursor: the prepared statement is closed') + + if not self._connection._top_xact: + raise exceptions.NoActiveSQLTransactionError( + 'cursor cannot be created outside of a transaction') + + async def _bind_exec(self, n, timeout): + self._check_ready() + + if self._portal_name: + raise exceptions.InterfaceError( + 'cursor already has an open portal') + + con = self._connection + protocol = con._protocol + + self._portal_name = con._get_unique_id('portal') + buffer, _, self._exhausted = await protocol.bind_execute( + self._state, self._args, self._portal_name, n, True, timeout) + return buffer + + async def _bind(self, timeout): + self._check_ready() + + if self._portal_name: + raise exceptions.InterfaceError( + 'cursor already has an open portal') + + con = self._connection + protocol = con._protocol + + self._portal_name = con._get_unique_id('portal') + buffer = await protocol.bind(self._state, self._args, + self._portal_name, + timeout) + return buffer + + async def _exec(self, n, timeout): + self._check_ready() + + if not self._portal_name: + raise exceptions.InterfaceError( + 'cursor does not have an open portal') + + protocol = self._connection._protocol + buffer, _, self._exhausted = await protocol.execute( + self._state, self._portal_name, n, True, timeout) + return buffer + + def __repr__(self): + attrs = [] + if self._exhausted: + attrs.append('exhausted') + attrs.append('') # to separate from id + + if self.__class__.__module__.startswith('asyncpg.'): + mod = 'asyncpg' + else: + mod = self.__class__.__module__ + + return '<{}.{} "{!s:.30}" {}{:#x}>'.format( + mod, self.__class__.__name__, + self._state.query, + ' '.join(attrs), id(self)) + + def __del__(self): + if self._state is not None: + self._state.detach() + self._connection._maybe_gc_stmt(self._state) + + +class CursorIterator(BaseCursor): + + __slots__ = ('_buffer', '_prefetch', '_timeout') + + def __init__(self, connection, query, state, args, prefetch, timeout): + super().__init__(connection, query, state, args) + + if prefetch <= 0: + raise exceptions.InterfaceError( + 'prefetch argument must be greater than zero') + + self._buffer = collections.deque() + self._prefetch = prefetch + self._timeout = timeout + + @compat.aiter_compat + @connresource.guarded + def __aiter__(self): + return self + + @connresource.guarded + async def __anext__(self): + if self._state is None: + self._state = await self._connection._get_statement( + self._query, self._timeout, named=True) + self._state.attach() + + if not self._portal_name: + buffer = await self._bind_exec(self._prefetch, self._timeout) + self._buffer.extend(buffer) + + if not self._buffer and not self._exhausted: + buffer = await self._exec(self._prefetch, self._timeout) + self._buffer.extend(buffer) + + if self._buffer: + return self._buffer.popleft() + + raise StopAsyncIteration + + +class Cursor(BaseCursor): + """An open *portal* into the results of a query.""" + + __slots__ = () + + async def _init(self, timeout): + if self._state is None: + self._state = await self._connection._get_statement( + self._query, timeout, named=True) + self._state.attach() + self._check_ready() + await self._bind(timeout) + return self + + @connresource.guarded + async def fetch(self, n, *, timeout=None): + r"""Return the next *n* rows as a list of :class:`Record` objects. + + :param float timeout: Optional timeout value in seconds. + + :return: A list of :class:`Record` instances. + """ + self._check_ready() + if n <= 0: + raise exceptions.InterfaceError('n must be greater than zero') + if self._exhausted: + return [] + recs = await self._exec(n, timeout) + if len(recs) < n: + self._exhausted = True + return recs + + @connresource.guarded + async def fetchrow(self, *, timeout=None): + r"""Return the next row. + + :param float timeout: Optional timeout value in seconds. + + :return: A :class:`Record` instance. + """ + self._check_ready() + if self._exhausted: + return None + recs = await self._exec(1, timeout) + if len(recs) < 1: + self._exhausted = True + return None + return recs[0] + + @connresource.guarded + async def forward(self, n, *, timeout=None) -> int: + r"""Skip over the next *n* rows. + + :param float timeout: Optional timeout value in seconds. + + :return: A number of rows actually skipped over (<= *n*). + """ + self._check_ready() + if n <= 0: + raise exceptions.InterfaceError('n must be greater than zero') + + protocol = self._connection._protocol + status = await protocol.query('MOVE FORWARD {:d} {}'.format( + n, self._portal_name), timeout) + + advanced = int(status.split()[1]) + if advanced < n: + self._exhausted = True + + return advanced diff --git a/asyncpg/exceptions/__init__.py b/asyncpg/exceptions/__init__.py new file mode 100644 index 0000000..446a71a --- /dev/null +++ b/asyncpg/exceptions/__init__.py @@ -0,0 +1,1182 @@ +# GENERATED FROM postgresql/src/backend/utils/errcodes.txt +# DO NOT MODIFY, use tools/generate_exceptions.py to update + +from ._base import * # NOQA +from . import _base + + +class PostgresWarning(_base.PostgresLogMessage, Warning): + sqlstate = '01000' + + +class DynamicResultSetsReturned(PostgresWarning): + sqlstate = '0100C' + + +class ImplicitZeroBitPadding(PostgresWarning): + sqlstate = '01008' + + +class NullValueEliminatedInSetFunction(PostgresWarning): + sqlstate = '01003' + + +class PrivilegeNotGranted(PostgresWarning): + sqlstate = '01007' + + +class PrivilegeNotRevoked(PostgresWarning): + sqlstate = '01006' + + +class StringDataRightTruncation(PostgresWarning): + sqlstate = '01004' + + +class DeprecatedFeature(PostgresWarning): + sqlstate = '01P01' + + +class NoData(PostgresWarning): + sqlstate = '02000' + + +class NoAdditionalDynamicResultSetsReturned(NoData): + sqlstate = '02001' + + +class SQLStatementNotYetCompleteError(_base.PostgresError): + sqlstate = '03000' + + +class PostgresConnectionError(_base.PostgresError): + sqlstate = '08000' + + +class ConnectionDoesNotExistError(PostgresConnectionError): + sqlstate = '08003' + + +class ConnectionFailureError(PostgresConnectionError): + sqlstate = '08006' + + +class ClientCannotConnectError(PostgresConnectionError): + sqlstate = '08001' + + +class ConnectionRejectionError(PostgresConnectionError): + sqlstate = '08004' + + +class TransactionResolutionUnknownError(PostgresConnectionError): + sqlstate = '08007' + + +class ProtocolViolationError(PostgresConnectionError): + sqlstate = '08P01' + + +class TriggeredActionError(_base.PostgresError): + sqlstate = '09000' + + +class FeatureNotSupportedError(_base.PostgresError): + sqlstate = '0A000' + + +class InvalidCachedStatementError(FeatureNotSupportedError): + pass + + +class InvalidTransactionInitiationError(_base.PostgresError): + sqlstate = '0B000' + + +class LocatorError(_base.PostgresError): + sqlstate = '0F000' + + +class InvalidLocatorSpecificationError(LocatorError): + sqlstate = '0F001' + + +class InvalidGrantorError(_base.PostgresError): + sqlstate = '0L000' + + +class InvalidGrantOperationError(InvalidGrantorError): + sqlstate = '0LP01' + + +class InvalidRoleSpecificationError(_base.PostgresError): + sqlstate = '0P000' + + +class DiagnosticsError(_base.PostgresError): + sqlstate = '0Z000' + + +class StackedDiagnosticsAccessedWithoutActiveHandlerError(DiagnosticsError): + sqlstate = '0Z002' + + +class CaseNotFoundError(_base.PostgresError): + sqlstate = '20000' + + +class CardinalityViolationError(_base.PostgresError): + sqlstate = '21000' + + +class DataError(_base.PostgresError): + sqlstate = '22000' + + +class ArraySubscriptError(DataError): + sqlstate = '2202E' + + +class CharacterNotInRepertoireError(DataError): + sqlstate = '22021' + + +class DatetimeFieldOverflowError(DataError): + sqlstate = '22008' + + +class DivisionByZeroError(DataError): + sqlstate = '22012' + + +class ErrorInAssignmentError(DataError): + sqlstate = '22005' + + +class EscapeCharacterConflictError(DataError): + sqlstate = '2200B' + + +class IndicatorOverflowError(DataError): + sqlstate = '22022' + + +class IntervalFieldOverflowError(DataError): + sqlstate = '22015' + + +class InvalidArgumentForLogarithmError(DataError): + sqlstate = '2201E' + + +class InvalidArgumentForNtileFunctionError(DataError): + sqlstate = '22014' + + +class InvalidArgumentForNthValueFunctionError(DataError): + sqlstate = '22016' + + +class InvalidArgumentForPowerFunctionError(DataError): + sqlstate = '2201F' + + +class InvalidArgumentForWidthBucketFunctionError(DataError): + sqlstate = '2201G' + + +class InvalidCharacterValueForCastError(DataError): + sqlstate = '22018' + + +class InvalidDatetimeFormatError(DataError): + sqlstate = '22007' + + +class InvalidEscapeCharacterError(DataError): + sqlstate = '22019' + + +class InvalidEscapeOctetError(DataError): + sqlstate = '2200D' + + +class InvalidEscapeSequenceError(DataError): + sqlstate = '22025' + + +class NonstandardUseOfEscapeCharacterError(DataError): + sqlstate = '22P06' + + +class InvalidIndicatorParameterValueError(DataError): + sqlstate = '22010' + + +class InvalidParameterValueError(DataError): + sqlstate = '22023' + + +class InvalidPrecedingOrFollowingSizeError(DataError): + sqlstate = '22013' + + +class InvalidRegularExpressionError(DataError): + sqlstate = '2201B' + + +class InvalidRowCountInLimitClauseError(DataError): + sqlstate = '2201W' + + +class InvalidRowCountInResultOffsetClauseError(DataError): + sqlstate = '2201X' + + +class InvalidTablesampleArgumentError(DataError): + sqlstate = '2202H' + + +class InvalidTablesampleRepeatError(DataError): + sqlstate = '2202G' + + +class InvalidTimeZoneDisplacementValueError(DataError): + sqlstate = '22009' + + +class InvalidUseOfEscapeCharacterError(DataError): + sqlstate = '2200C' + + +class MostSpecificTypeMismatchError(DataError): + sqlstate = '2200G' + + +class NullValueNotAllowedError(DataError): + sqlstate = '22004' + + +class NullValueNoIndicatorParameterError(DataError): + sqlstate = '22002' + + +class NumericValueOutOfRangeError(DataError): + sqlstate = '22003' + + +class SequenceGeneratorLimitExceededError(DataError): + sqlstate = '2200H' + + +class StringDataLengthMismatchError(DataError): + sqlstate = '22026' + + +class StringDataRightTruncationError(DataError): + sqlstate = '22001' + + +class SubstringError(DataError): + sqlstate = '22011' + + +class TrimError(DataError): + sqlstate = '22027' + + +class UnterminatedCStringError(DataError): + sqlstate = '22024' + + +class ZeroLengthCharacterStringError(DataError): + sqlstate = '2200F' + + +class PostgresFloatingPointError(DataError): + sqlstate = '22P01' + + +class InvalidTextRepresentationError(DataError): + sqlstate = '22P02' + + +class InvalidBinaryRepresentationError(DataError): + sqlstate = '22P03' + + +class BadCopyFileFormatError(DataError): + sqlstate = '22P04' + + +class UntranslatableCharacterError(DataError): + sqlstate = '22P05' + + +class NotAnXmlDocumentError(DataError): + sqlstate = '2200L' + + +class InvalidXmlDocumentError(DataError): + sqlstate = '2200M' + + +class InvalidXmlContentError(DataError): + sqlstate = '2200N' + + +class InvalidXmlCommentError(DataError): + sqlstate = '2200S' + + +class InvalidXmlProcessingInstructionError(DataError): + sqlstate = '2200T' + + +class DuplicateJsonObjectKeyValueError(DataError): + sqlstate = '22030' + + +class InvalidJsonTextError(DataError): + sqlstate = '22032' + + +class InvalidSQLJsonSubscriptError(DataError): + sqlstate = '22033' + + +class MoreThanOneSQLJsonItemError(DataError): + sqlstate = '22034' + + +class NoSQLJsonItemError(DataError): + sqlstate = '22035' + + +class NonNumericSQLJsonItemError(DataError): + sqlstate = '22036' + + +class NonUniqueKeysInAJsonObjectError(DataError): + sqlstate = '22037' + + +class SingletonSQLJsonItemRequiredError(DataError): + sqlstate = '22038' + + +class SQLJsonArrayNotFoundError(DataError): + sqlstate = '22039' + + +class SQLJsonMemberNotFoundError(DataError): + sqlstate = '2203A' + + +class SQLJsonNumberNotFoundError(DataError): + sqlstate = '2203B' + + +class SQLJsonObjectNotFoundError(DataError): + sqlstate = '2203C' + + +class TooManyJsonArrayElementsError(DataError): + sqlstate = '2203D' + + +class TooManyJsonObjectMembersError(DataError): + sqlstate = '2203E' + + +class SQLJsonScalarRequiredError(DataError): + sqlstate = '2203F' + + +class IntegrityConstraintViolationError(_base.PostgresError): + sqlstate = '23000' + + +class RestrictViolationError(IntegrityConstraintViolationError): + sqlstate = '23001' + + +class NotNullViolationError(IntegrityConstraintViolationError): + sqlstate = '23502' + + +class ForeignKeyViolationError(IntegrityConstraintViolationError): + sqlstate = '23503' + + +class UniqueViolationError(IntegrityConstraintViolationError): + sqlstate = '23505' + + +class CheckViolationError(IntegrityConstraintViolationError): + sqlstate = '23514' + + +class ExclusionViolationError(IntegrityConstraintViolationError): + sqlstate = '23P01' + + +class InvalidCursorStateError(_base.PostgresError): + sqlstate = '24000' + + +class InvalidTransactionStateError(_base.PostgresError): + sqlstate = '25000' + + +class ActiveSQLTransactionError(InvalidTransactionStateError): + sqlstate = '25001' + + +class BranchTransactionAlreadyActiveError(InvalidTransactionStateError): + sqlstate = '25002' + + +class HeldCursorRequiresSameIsolationLevelError(InvalidTransactionStateError): + sqlstate = '25008' + + +class InappropriateAccessModeForBranchTransactionError( + InvalidTransactionStateError): + sqlstate = '25003' + + +class InappropriateIsolationLevelForBranchTransactionError( + InvalidTransactionStateError): + sqlstate = '25004' + + +class NoActiveSQLTransactionForBranchTransactionError( + InvalidTransactionStateError): + sqlstate = '25005' + + +class ReadOnlySQLTransactionError(InvalidTransactionStateError): + sqlstate = '25006' + + +class SchemaAndDataStatementMixingNotSupportedError( + InvalidTransactionStateError): + sqlstate = '25007' + + +class NoActiveSQLTransactionError(InvalidTransactionStateError): + sqlstate = '25P01' + + +class InFailedSQLTransactionError(InvalidTransactionStateError): + sqlstate = '25P02' + + +class IdleInTransactionSessionTimeoutError(InvalidTransactionStateError): + sqlstate = '25P03' + + +class InvalidSQLStatementNameError(_base.PostgresError): + sqlstate = '26000' + + +class TriggeredDataChangeViolationError(_base.PostgresError): + sqlstate = '27000' + + +class InvalidAuthorizationSpecificationError(_base.PostgresError): + sqlstate = '28000' + + +class InvalidPasswordError(InvalidAuthorizationSpecificationError): + sqlstate = '28P01' + + +class DependentPrivilegeDescriptorsStillExistError(_base.PostgresError): + sqlstate = '2B000' + + +class DependentObjectsStillExistError( + DependentPrivilegeDescriptorsStillExistError): + sqlstate = '2BP01' + + +class InvalidTransactionTerminationError(_base.PostgresError): + sqlstate = '2D000' + + +class SQLRoutineError(_base.PostgresError): + sqlstate = '2F000' + + +class FunctionExecutedNoReturnStatementError(SQLRoutineError): + sqlstate = '2F005' + + +class ModifyingSQLDataNotPermittedError(SQLRoutineError): + sqlstate = '2F002' + + +class ProhibitedSQLStatementAttemptedError(SQLRoutineError): + sqlstate = '2F003' + + +class ReadingSQLDataNotPermittedError(SQLRoutineError): + sqlstate = '2F004' + + +class InvalidCursorNameError(_base.PostgresError): + sqlstate = '34000' + + +class ExternalRoutineError(_base.PostgresError): + sqlstate = '38000' + + +class ContainingSQLNotPermittedError(ExternalRoutineError): + sqlstate = '38001' + + +class ModifyingExternalRoutineSQLDataNotPermittedError(ExternalRoutineError): + sqlstate = '38002' + + +class ProhibitedExternalRoutineSQLStatementAttemptedError( + ExternalRoutineError): + sqlstate = '38003' + + +class ReadingExternalRoutineSQLDataNotPermittedError(ExternalRoutineError): + sqlstate = '38004' + + +class ExternalRoutineInvocationError(_base.PostgresError): + sqlstate = '39000' + + +class InvalidSqlstateReturnedError(ExternalRoutineInvocationError): + sqlstate = '39001' + + +class NullValueInExternalRoutineNotAllowedError( + ExternalRoutineInvocationError): + sqlstate = '39004' + + +class TriggerProtocolViolatedError(ExternalRoutineInvocationError): + sqlstate = '39P01' + + +class SrfProtocolViolatedError(ExternalRoutineInvocationError): + sqlstate = '39P02' + + +class EventTriggerProtocolViolatedError(ExternalRoutineInvocationError): + sqlstate = '39P03' + + +class SavepointError(_base.PostgresError): + sqlstate = '3B000' + + +class InvalidSavepointSpecificationError(SavepointError): + sqlstate = '3B001' + + +class InvalidCatalogNameError(_base.PostgresError): + sqlstate = '3D000' + + +class InvalidSchemaNameError(_base.PostgresError): + sqlstate = '3F000' + + +class TransactionRollbackError(_base.PostgresError): + sqlstate = '40000' + + +class TransactionIntegrityConstraintViolationError(TransactionRollbackError): + sqlstate = '40002' + + +class SerializationError(TransactionRollbackError): + sqlstate = '40001' + + +class StatementCompletionUnknownError(TransactionRollbackError): + sqlstate = '40003' + + +class DeadlockDetectedError(TransactionRollbackError): + sqlstate = '40P01' + + +class SyntaxOrAccessError(_base.PostgresError): + sqlstate = '42000' + + +class PostgresSyntaxError(SyntaxOrAccessError): + sqlstate = '42601' + + +class InsufficientPrivilegeError(SyntaxOrAccessError): + sqlstate = '42501' + + +class CannotCoerceError(SyntaxOrAccessError): + sqlstate = '42846' + + +class GroupingError(SyntaxOrAccessError): + sqlstate = '42803' + + +class WindowingError(SyntaxOrAccessError): + sqlstate = '42P20' + + +class InvalidRecursionError(SyntaxOrAccessError): + sqlstate = '42P19' + + +class InvalidForeignKeyError(SyntaxOrAccessError): + sqlstate = '42830' + + +class InvalidNameError(SyntaxOrAccessError): + sqlstate = '42602' + + +class NameTooLongError(SyntaxOrAccessError): + sqlstate = '42622' + + +class ReservedNameError(SyntaxOrAccessError): + sqlstate = '42939' + + +class DatatypeMismatchError(SyntaxOrAccessError): + sqlstate = '42804' + + +class IndeterminateDatatypeError(SyntaxOrAccessError): + sqlstate = '42P18' + + +class CollationMismatchError(SyntaxOrAccessError): + sqlstate = '42P21' + + +class IndeterminateCollationError(SyntaxOrAccessError): + sqlstate = '42P22' + + +class WrongObjectTypeError(SyntaxOrAccessError): + sqlstate = '42809' + + +class GeneratedAlwaysError(SyntaxOrAccessError): + sqlstate = '428C9' + + +class UndefinedColumnError(SyntaxOrAccessError): + sqlstate = '42703' + + +class UndefinedFunctionError(SyntaxOrAccessError): + sqlstate = '42883' + + +class UndefinedTableError(SyntaxOrAccessError): + sqlstate = '42P01' + + +class UndefinedParameterError(SyntaxOrAccessError): + sqlstate = '42P02' + + +class UndefinedObjectError(SyntaxOrAccessError): + sqlstate = '42704' + + +class DuplicateColumnError(SyntaxOrAccessError): + sqlstate = '42701' + + +class DuplicateCursorError(SyntaxOrAccessError): + sqlstate = '42P03' + + +class DuplicateDatabaseError(SyntaxOrAccessError): + sqlstate = '42P04' + + +class DuplicateFunctionError(SyntaxOrAccessError): + sqlstate = '42723' + + +class DuplicatePreparedStatementError(SyntaxOrAccessError): + sqlstate = '42P05' + + +class DuplicateSchemaError(SyntaxOrAccessError): + sqlstate = '42P06' + + +class DuplicateTableError(SyntaxOrAccessError): + sqlstate = '42P07' + + +class DuplicateAliasError(SyntaxOrAccessError): + sqlstate = '42712' + + +class DuplicateObjectError(SyntaxOrAccessError): + sqlstate = '42710' + + +class AmbiguousColumnError(SyntaxOrAccessError): + sqlstate = '42702' + + +class AmbiguousFunctionError(SyntaxOrAccessError): + sqlstate = '42725' + + +class AmbiguousParameterError(SyntaxOrAccessError): + sqlstate = '42P08' + + +class AmbiguousAliasError(SyntaxOrAccessError): + sqlstate = '42P09' + + +class InvalidColumnReferenceError(SyntaxOrAccessError): + sqlstate = '42P10' + + +class InvalidColumnDefinitionError(SyntaxOrAccessError): + sqlstate = '42611' + + +class InvalidCursorDefinitionError(SyntaxOrAccessError): + sqlstate = '42P11' + + +class InvalidDatabaseDefinitionError(SyntaxOrAccessError): + sqlstate = '42P12' + + +class InvalidFunctionDefinitionError(SyntaxOrAccessError): + sqlstate = '42P13' + + +class InvalidPreparedStatementDefinitionError(SyntaxOrAccessError): + sqlstate = '42P14' + + +class InvalidSchemaDefinitionError(SyntaxOrAccessError): + sqlstate = '42P15' + + +class InvalidTableDefinitionError(SyntaxOrAccessError): + sqlstate = '42P16' + + +class InvalidObjectDefinitionError(SyntaxOrAccessError): + sqlstate = '42P17' + + +class WithCheckOptionViolationError(_base.PostgresError): + sqlstate = '44000' + + +class InsufficientResourcesError(_base.PostgresError): + sqlstate = '53000' + + +class DiskFullError(InsufficientResourcesError): + sqlstate = '53100' + + +class OutOfMemoryError(InsufficientResourcesError): + sqlstate = '53200' + + +class TooManyConnectionsError(InsufficientResourcesError): + sqlstate = '53300' + + +class ConfigurationLimitExceededError(InsufficientResourcesError): + sqlstate = '53400' + + +class ProgramLimitExceededError(_base.PostgresError): + sqlstate = '54000' + + +class StatementTooComplexError(ProgramLimitExceededError): + sqlstate = '54001' + + +class TooManyColumnsError(ProgramLimitExceededError): + sqlstate = '54011' + + +class TooManyArgumentsError(ProgramLimitExceededError): + sqlstate = '54023' + + +class ObjectNotInPrerequisiteStateError(_base.PostgresError): + sqlstate = '55000' + + +class ObjectInUseError(ObjectNotInPrerequisiteStateError): + sqlstate = '55006' + + +class CantChangeRuntimeParamError(ObjectNotInPrerequisiteStateError): + sqlstate = '55P02' + + +class LockNotAvailableError(ObjectNotInPrerequisiteStateError): + sqlstate = '55P03' + + +class UnsafeNewEnumValueUsageError(ObjectNotInPrerequisiteStateError): + sqlstate = '55P04' + + +class OperatorInterventionError(_base.PostgresError): + sqlstate = '57000' + + +class QueryCanceledError(OperatorInterventionError): + sqlstate = '57014' + + +class AdminShutdownError(OperatorInterventionError): + sqlstate = '57P01' + + +class CrashShutdownError(OperatorInterventionError): + sqlstate = '57P02' + + +class CannotConnectNowError(OperatorInterventionError): + sqlstate = '57P03' + + +class DatabaseDroppedError(OperatorInterventionError): + sqlstate = '57P04' + + +class PostgresSystemError(_base.PostgresError): + sqlstate = '58000' + + +class PostgresIOError(PostgresSystemError): + sqlstate = '58030' + + +class UndefinedFileError(PostgresSystemError): + sqlstate = '58P01' + + +class DuplicateFileError(PostgresSystemError): + sqlstate = '58P02' + + +class SnapshotTooOldError(_base.PostgresError): + sqlstate = '72000' + + +class ConfigFileError(_base.PostgresError): + sqlstate = 'F0000' + + +class LockFileExistsError(ConfigFileError): + sqlstate = 'F0001' + + +class FDWError(_base.PostgresError): + sqlstate = 'HV000' + + +class FDWColumnNameNotFoundError(FDWError): + sqlstate = 'HV005' + + +class FDWDynamicParameterValueNeededError(FDWError): + sqlstate = 'HV002' + + +class FDWFunctionSequenceError(FDWError): + sqlstate = 'HV010' + + +class FDWInconsistentDescriptorInformationError(FDWError): + sqlstate = 'HV021' + + +class FDWInvalidAttributeValueError(FDWError): + sqlstate = 'HV024' + + +class FDWInvalidColumnNameError(FDWError): + sqlstate = 'HV007' + + +class FDWInvalidColumnNumberError(FDWError): + sqlstate = 'HV008' + + +class FDWInvalidDataTypeError(FDWError): + sqlstate = 'HV004' + + +class FDWInvalidDataTypeDescriptorsError(FDWError): + sqlstate = 'HV006' + + +class FDWInvalidDescriptorFieldIdentifierError(FDWError): + sqlstate = 'HV091' + + +class FDWInvalidHandleError(FDWError): + sqlstate = 'HV00B' + + +class FDWInvalidOptionIndexError(FDWError): + sqlstate = 'HV00C' + + +class FDWInvalidOptionNameError(FDWError): + sqlstate = 'HV00D' + + +class FDWInvalidStringLengthOrBufferLengthError(FDWError): + sqlstate = 'HV090' + + +class FDWInvalidStringFormatError(FDWError): + sqlstate = 'HV00A' + + +class FDWInvalidUseOfNullPointerError(FDWError): + sqlstate = 'HV009' + + +class FDWTooManyHandlesError(FDWError): + sqlstate = 'HV014' + + +class FDWOutOfMemoryError(FDWError): + sqlstate = 'HV001' + + +class FDWNoSchemasError(FDWError): + sqlstate = 'HV00P' + + +class FDWOptionNameNotFoundError(FDWError): + sqlstate = 'HV00J' + + +class FDWReplyHandleError(FDWError): + sqlstate = 'HV00K' + + +class FDWSchemaNotFoundError(FDWError): + sqlstate = 'HV00Q' + + +class FDWTableNotFoundError(FDWError): + sqlstate = 'HV00R' + + +class FDWUnableToCreateExecutionError(FDWError): + sqlstate = 'HV00L' + + +class FDWUnableToCreateReplyError(FDWError): + sqlstate = 'HV00M' + + +class FDWUnableToEstablishConnectionError(FDWError): + sqlstate = 'HV00N' + + +class PLPGSQLError(_base.PostgresError): + sqlstate = 'P0000' + + +class RaiseError(PLPGSQLError): + sqlstate = 'P0001' + + +class NoDataFoundError(PLPGSQLError): + sqlstate = 'P0002' + + +class TooManyRowsError(PLPGSQLError): + sqlstate = 'P0003' + + +class AssertError(PLPGSQLError): + sqlstate = 'P0004' + + +class InternalServerError(_base.PostgresError): + sqlstate = 'XX000' + + +class DataCorruptedError(InternalServerError): + sqlstate = 'XX001' + + +class IndexCorruptedError(InternalServerError): + sqlstate = 'XX002' + + +__all__ = _base.__all__ + ( + 'ActiveSQLTransactionError', 'AdminShutdownError', + 'AmbiguousAliasError', 'AmbiguousColumnError', + 'AmbiguousFunctionError', 'AmbiguousParameterError', + 'ArraySubscriptError', 'AssertError', 'BadCopyFileFormatError', + 'BranchTransactionAlreadyActiveError', 'CannotCoerceError', + 'CannotConnectNowError', 'CantChangeRuntimeParamError', + 'CardinalityViolationError', 'CaseNotFoundError', + 'CharacterNotInRepertoireError', 'CheckViolationError', + 'ClientCannotConnectError', 'CollationMismatchError', + 'ConfigFileError', 'ConfigurationLimitExceededError', + 'ConnectionDoesNotExistError', 'ConnectionFailureError', + 'ConnectionRejectionError', 'ContainingSQLNotPermittedError', + 'CrashShutdownError', 'DataCorruptedError', 'DataError', + 'DatabaseDroppedError', 'DatatypeMismatchError', + 'DatetimeFieldOverflowError', 'DeadlockDetectedError', + 'DependentObjectsStillExistError', + 'DependentPrivilegeDescriptorsStillExistError', 'DeprecatedFeature', + 'DiagnosticsError', 'DiskFullError', 'DivisionByZeroError', + 'DuplicateAliasError', 'DuplicateColumnError', 'DuplicateCursorError', + 'DuplicateDatabaseError', 'DuplicateFileError', + 'DuplicateFunctionError', 'DuplicateJsonObjectKeyValueError', + 'DuplicateObjectError', 'DuplicatePreparedStatementError', + 'DuplicateSchemaError', 'DuplicateTableError', + 'DynamicResultSetsReturned', 'ErrorInAssignmentError', + 'EscapeCharacterConflictError', 'EventTriggerProtocolViolatedError', + 'ExclusionViolationError', 'ExternalRoutineError', + 'ExternalRoutineInvocationError', 'FDWColumnNameNotFoundError', + 'FDWDynamicParameterValueNeededError', 'FDWError', + 'FDWFunctionSequenceError', + 'FDWInconsistentDescriptorInformationError', + 'FDWInvalidAttributeValueError', 'FDWInvalidColumnNameError', + 'FDWInvalidColumnNumberError', 'FDWInvalidDataTypeDescriptorsError', + 'FDWInvalidDataTypeError', 'FDWInvalidDescriptorFieldIdentifierError', + 'FDWInvalidHandleError', 'FDWInvalidOptionIndexError', + 'FDWInvalidOptionNameError', 'FDWInvalidStringFormatError', + 'FDWInvalidStringLengthOrBufferLengthError', + 'FDWInvalidUseOfNullPointerError', 'FDWNoSchemasError', + 'FDWOptionNameNotFoundError', 'FDWOutOfMemoryError', + 'FDWReplyHandleError', 'FDWSchemaNotFoundError', + 'FDWTableNotFoundError', 'FDWTooManyHandlesError', + 'FDWUnableToCreateExecutionError', 'FDWUnableToCreateReplyError', + 'FDWUnableToEstablishConnectionError', 'FeatureNotSupportedError', + 'ForeignKeyViolationError', 'FunctionExecutedNoReturnStatementError', + 'GeneratedAlwaysError', 'GroupingError', + 'HeldCursorRequiresSameIsolationLevelError', + 'IdleInTransactionSessionTimeoutError', 'ImplicitZeroBitPadding', + 'InFailedSQLTransactionError', + 'InappropriateAccessModeForBranchTransactionError', + 'InappropriateIsolationLevelForBranchTransactionError', + 'IndeterminateCollationError', 'IndeterminateDatatypeError', + 'IndexCorruptedError', 'IndicatorOverflowError', + 'InsufficientPrivilegeError', 'InsufficientResourcesError', + 'IntegrityConstraintViolationError', 'InternalServerError', + 'IntervalFieldOverflowError', 'InvalidArgumentForLogarithmError', + 'InvalidArgumentForNthValueFunctionError', + 'InvalidArgumentForNtileFunctionError', + 'InvalidArgumentForPowerFunctionError', + 'InvalidArgumentForWidthBucketFunctionError', + 'InvalidAuthorizationSpecificationError', + 'InvalidBinaryRepresentationError', 'InvalidCachedStatementError', + 'InvalidCatalogNameError', 'InvalidCharacterValueForCastError', + 'InvalidColumnDefinitionError', 'InvalidColumnReferenceError', + 'InvalidCursorDefinitionError', 'InvalidCursorNameError', + 'InvalidCursorStateError', 'InvalidDatabaseDefinitionError', + 'InvalidDatetimeFormatError', 'InvalidEscapeCharacterError', + 'InvalidEscapeOctetError', 'InvalidEscapeSequenceError', + 'InvalidForeignKeyError', 'InvalidFunctionDefinitionError', + 'InvalidGrantOperationError', 'InvalidGrantorError', + 'InvalidIndicatorParameterValueError', 'InvalidJsonTextError', + 'InvalidLocatorSpecificationError', 'InvalidNameError', + 'InvalidObjectDefinitionError', 'InvalidParameterValueError', + 'InvalidPasswordError', 'InvalidPrecedingOrFollowingSizeError', + 'InvalidPreparedStatementDefinitionError', 'InvalidRecursionError', + 'InvalidRegularExpressionError', 'InvalidRoleSpecificationError', + 'InvalidRowCountInLimitClauseError', + 'InvalidRowCountInResultOffsetClauseError', + 'InvalidSQLJsonSubscriptError', 'InvalidSQLStatementNameError', + 'InvalidSavepointSpecificationError', 'InvalidSchemaDefinitionError', + 'InvalidSchemaNameError', 'InvalidSqlstateReturnedError', + 'InvalidTableDefinitionError', 'InvalidTablesampleArgumentError', + 'InvalidTablesampleRepeatError', 'InvalidTextRepresentationError', + 'InvalidTimeZoneDisplacementValueError', + 'InvalidTransactionInitiationError', 'InvalidTransactionStateError', + 'InvalidTransactionTerminationError', + 'InvalidUseOfEscapeCharacterError', 'InvalidXmlCommentError', + 'InvalidXmlContentError', 'InvalidXmlDocumentError', + 'InvalidXmlProcessingInstructionError', 'LocatorError', + 'LockFileExistsError', 'LockNotAvailableError', + 'ModifyingExternalRoutineSQLDataNotPermittedError', + 'ModifyingSQLDataNotPermittedError', 'MoreThanOneSQLJsonItemError', + 'MostSpecificTypeMismatchError', 'NameTooLongError', + 'NoActiveSQLTransactionError', + 'NoActiveSQLTransactionForBranchTransactionError', + 'NoAdditionalDynamicResultSetsReturned', 'NoData', 'NoDataFoundError', + 'NoSQLJsonItemError', 'NonNumericSQLJsonItemError', + 'NonUniqueKeysInAJsonObjectError', + 'NonstandardUseOfEscapeCharacterError', 'NotAnXmlDocumentError', + 'NotNullViolationError', 'NullValueEliminatedInSetFunction', + 'NullValueInExternalRoutineNotAllowedError', + 'NullValueNoIndicatorParameterError', 'NullValueNotAllowedError', + 'NumericValueOutOfRangeError', 'ObjectInUseError', + 'ObjectNotInPrerequisiteStateError', 'OperatorInterventionError', + 'OutOfMemoryError', 'PLPGSQLError', 'PostgresConnectionError', + 'PostgresFloatingPointError', 'PostgresIOError', + 'PostgresSyntaxError', 'PostgresSystemError', 'PostgresWarning', + 'PrivilegeNotGranted', 'PrivilegeNotRevoked', + 'ProgramLimitExceededError', + 'ProhibitedExternalRoutineSQLStatementAttemptedError', + 'ProhibitedSQLStatementAttemptedError', 'ProtocolViolationError', + 'QueryCanceledError', 'RaiseError', 'ReadOnlySQLTransactionError', + 'ReadingExternalRoutineSQLDataNotPermittedError', + 'ReadingSQLDataNotPermittedError', 'ReservedNameError', + 'RestrictViolationError', 'SQLJsonArrayNotFoundError', + 'SQLJsonMemberNotFoundError', 'SQLJsonNumberNotFoundError', + 'SQLJsonObjectNotFoundError', 'SQLJsonScalarRequiredError', + 'SQLRoutineError', 'SQLStatementNotYetCompleteError', + 'SavepointError', 'SchemaAndDataStatementMixingNotSupportedError', + 'SequenceGeneratorLimitExceededError', 'SerializationError', + 'SingletonSQLJsonItemRequiredError', 'SnapshotTooOldError', + 'SrfProtocolViolatedError', + 'StackedDiagnosticsAccessedWithoutActiveHandlerError', + 'StatementCompletionUnknownError', 'StatementTooComplexError', + 'StringDataLengthMismatchError', 'StringDataRightTruncation', + 'StringDataRightTruncationError', 'SubstringError', + 'SyntaxOrAccessError', 'TooManyArgumentsError', 'TooManyColumnsError', + 'TooManyConnectionsError', 'TooManyJsonArrayElementsError', + 'TooManyJsonObjectMembersError', 'TooManyRowsError', + 'TransactionIntegrityConstraintViolationError', + 'TransactionResolutionUnknownError', 'TransactionRollbackError', + 'TriggerProtocolViolatedError', 'TriggeredActionError', + 'TriggeredDataChangeViolationError', 'TrimError', + 'UndefinedColumnError', 'UndefinedFileError', + 'UndefinedFunctionError', 'UndefinedObjectError', + 'UndefinedParameterError', 'UndefinedTableError', + 'UniqueViolationError', 'UnsafeNewEnumValueUsageError', + 'UnterminatedCStringError', 'UntranslatableCharacterError', + 'WindowingError', 'WithCheckOptionViolationError', + 'WrongObjectTypeError', 'ZeroLengthCharacterStringError' +) diff --git a/asyncpg/exceptions/_base.py b/asyncpg/exceptions/_base.py new file mode 100644 index 0000000..6b068f2 --- /dev/null +++ b/asyncpg/exceptions/_base.py @@ -0,0 +1,271 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncpg +import sys +import textwrap + + +__all__ = ('PostgresError', 'FatalPostgresError', 'UnknownPostgresError', + 'InterfaceError', 'InterfaceWarning', 'PostgresLogMessage', + 'InternalClientError', 'OutdatedSchemaCacheError', 'ProtocolError') + + +def _is_asyncpg_class(cls): + modname = cls.__module__ + return modname == 'asyncpg' or modname.startswith('asyncpg.') + + +class PostgresMessageMeta(type): + + _message_map = {} + _field_map = { + 'S': 'severity', + 'V': 'severity_en', + 'C': 'sqlstate', + 'M': 'message', + 'D': 'detail', + 'H': 'hint', + 'P': 'position', + 'p': 'internal_position', + 'q': 'internal_query', + 'W': 'context', + 's': 'schema_name', + 't': 'table_name', + 'c': 'column_name', + 'd': 'data_type_name', + 'n': 'constraint_name', + 'F': 'server_source_filename', + 'L': 'server_source_line', + 'R': 'server_source_function' + } + + def __new__(mcls, name, bases, dct): + cls = super().__new__(mcls, name, bases, dct) + if cls.__module__ == mcls.__module__ and name == 'PostgresMessage': + for f in mcls._field_map.values(): + setattr(cls, f, None) + + if _is_asyncpg_class(cls): + mod = sys.modules[cls.__module__] + if hasattr(mod, name): + raise RuntimeError('exception class redefinition: {}'.format( + name)) + + code = dct.get('sqlstate') + if code is not None: + existing = mcls._message_map.get(code) + if existing is not None: + raise TypeError('{} has duplicate SQLSTATE code, which is' + 'already defined by {}'.format( + name, existing.__name__)) + mcls._message_map[code] = cls + + return cls + + @classmethod + def get_message_class_for_sqlstate(mcls, code): + return mcls._message_map.get(code, UnknownPostgresError) + + +class PostgresMessage(metaclass=PostgresMessageMeta): + + @classmethod + def _get_error_class(cls, fields): + sqlstate = fields.get('C') + return type(cls).get_message_class_for_sqlstate(sqlstate) + + @classmethod + def _get_error_dict(cls, fields, query): + dct = { + 'query': query + } + + field_map = type(cls)._field_map + for k, v in fields.items(): + field = field_map.get(k) + if field: + dct[field] = v + + return dct + + @classmethod + def _make_constructor(cls, fields, query=None): + dct = cls._get_error_dict(fields, query) + + exccls = cls._get_error_class(fields) + message = dct.get('message', '') + + # PostgreSQL will raise an exception when it detects + # that the result type of the query has changed from + # when the statement was prepared. + # + # The original error is somewhat cryptic and unspecific, + # so we raise a custom subclass that is easier to handle + # and identify. + # + # Note that we specifically do not rely on the error + # message, as it is localizable. + is_icse = ( + exccls.__name__ == 'FeatureNotSupportedError' and + _is_asyncpg_class(exccls) and + dct.get('server_source_function') == 'RevalidateCachedQuery' + ) + + if is_icse: + exceptions = sys.modules[exccls.__module__] + exccls = exceptions.InvalidCachedStatementError + message = ('cached statement plan is invalid due to a database ' + 'schema or configuration change') + + is_prepared_stmt_error = ( + exccls.__name__ in ('DuplicatePreparedStatementError', + 'InvalidSQLStatementNameError') and + _is_asyncpg_class(exccls) + ) + + if is_prepared_stmt_error: + hint = dct.get('hint', '') + hint += textwrap.dedent("""\ + + NOTE: pgbouncer with pool_mode set to "transaction" or + "statement" does not support prepared statements properly. + You have two options: + + * if you are using pgbouncer for connection pooling to a + single server, switch to the connection pool functionality + provided by asyncpg, it is a much better option for this + purpose; + + * if you have no option of avoiding the use of pgbouncer, + then you can set statement_cache_size to 0 when creating + the asyncpg connection object. + """) + + dct['hint'] = hint + + return exccls, message, dct + + def as_dict(self): + dct = {} + for f in type(self)._field_map.values(): + val = getattr(self, f) + if val is not None: + dct[f] = val + return dct + + +class PostgresError(PostgresMessage, Exception): + """Base class for all Postgres errors.""" + + def __str__(self): + msg = self.args[0] + if self.detail: + msg += '\nDETAIL: {}'.format(self.detail) + if self.hint: + msg += '\nHINT: {}'.format(self.hint) + + return msg + + @classmethod + def new(cls, fields, query=None): + exccls, message, dct = cls._make_constructor(fields, query) + ex = exccls(message) + ex.__dict__.update(dct) + return ex + + +class FatalPostgresError(PostgresError): + """A fatal error that should result in server disconnection.""" + + +class UnknownPostgresError(FatalPostgresError): + """An error with an unknown SQLSTATE code.""" + + +class InterfaceMessage: + def __init__(self, *, detail=None, hint=None): + self.detail = detail + self.hint = hint + + def __str__(self): + msg = self.args[0] + if self.detail: + msg += '\nDETAIL: {}'.format(self.detail) + if self.hint: + msg += '\nHINT: {}'.format(self.hint) + + return msg + + +class InterfaceError(InterfaceMessage, Exception): + """An error caused by improper use of asyncpg API.""" + + def __init__(self, msg, *, detail=None, hint=None): + InterfaceMessage.__init__(self, detail=detail, hint=hint) + Exception.__init__(self, msg) + + +class DataError(InterfaceError, ValueError): + """An error caused by invalid query input.""" + + +class InterfaceWarning(InterfaceMessage, UserWarning): + """A warning caused by an improper use of asyncpg API.""" + + def __init__(self, msg, *, detail=None, hint=None): + InterfaceMessage.__init__(self, detail=detail, hint=hint) + UserWarning.__init__(self, msg) + + +class InternalClientError(Exception): + """All unexpected errors not classified otherwise.""" + + +class ProtocolError(InternalClientError): + """Unexpected condition in the handling of PostgreSQL protocol input.""" + + +class OutdatedSchemaCacheError(InternalClientError): + """A value decoding error caused by a schema change before row fetching.""" + + def __init__(self, msg, *, schema=None, data_type=None, position=None): + super().__init__(msg) + self.schema_name = schema + self.data_type_name = data_type + self.position = position + + +class PostgresLogMessage(PostgresMessage): + """A base class for non-error server messages.""" + + def __str__(self): + return '{}: {}'.format(type(self).__name__, self.message) + + def __setattr__(self, name, val): + raise TypeError('instances of {} are immutable'.format( + type(self).__name__)) + + @classmethod + def new(cls, fields, query=None): + exccls, message_text, dct = cls._make_constructor(fields, query) + + if exccls is UnknownPostgresError: + exccls = PostgresLogMessage + + if exccls is PostgresLogMessage: + severity = dct.get('severity_en') or dct.get('severity') + if severity and severity.upper() == 'WARNING': + exccls = asyncpg.PostgresWarning + + if issubclass(exccls, (BaseException, Warning)): + msg = exccls(message_text) + else: + msg = exccls() + + msg.__dict__.update(dct) + return msg diff --git a/asyncpg/introspection.py b/asyncpg/introspection.py new file mode 100644 index 0000000..201f434 --- /dev/null +++ b/asyncpg/introspection.py @@ -0,0 +1,158 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +_TYPEINFO = '''\ + ( + SELECT + t.oid AS oid, + ns.nspname AS ns, + t.typname AS name, + t.typtype AS kind, + (CASE WHEN t.typtype = 'd' THEN + (WITH RECURSIVE typebases(oid, depth) AS ( + SELECT + t2.typbasetype AS oid, + 0 AS depth + FROM + pg_type t2 + WHERE + t2.oid = t.oid + + UNION ALL + + SELECT + t2.typbasetype AS oid, + tb.depth + 1 AS depth + FROM + pg_type t2, + typebases tb + WHERE + tb.oid = t2.oid + AND t2.typbasetype != 0 + ) SELECT oid FROM typebases ORDER BY depth DESC LIMIT 1) + + ELSE NULL + END) AS basetype, + t.typreceive::oid != 0 AND t.typsend::oid != 0 + AS has_bin_io, + t.typelem AS elemtype, + elem_t.typdelim AS elemdelim, + range_t.rngsubtype AS range_subtype, + (CASE WHEN t.typtype = 'r' THEN + (SELECT + range_elem_t.typreceive::oid != 0 AND + range_elem_t.typsend::oid != 0 + FROM + pg_catalog.pg_type AS range_elem_t + WHERE + range_elem_t.oid = range_t.rngsubtype) + ELSE + elem_t.typreceive::oid != 0 AND + elem_t.typsend::oid != 0 + END) AS elem_has_bin_io, + (CASE WHEN t.typtype = 'c' THEN + (SELECT + array_agg(ia.atttypid ORDER BY ia.attnum) + FROM + pg_attribute ia + INNER JOIN pg_class c + ON (ia.attrelid = c.oid) + WHERE + ia.attnum > 0 AND NOT ia.attisdropped + AND c.reltype = t.oid) + + ELSE NULL + END) AS attrtypoids, + (CASE WHEN t.typtype = 'c' THEN + (SELECT + array_agg(ia.attname::text ORDER BY ia.attnum) + FROM + pg_attribute ia + INNER JOIN pg_class c + ON (ia.attrelid = c.oid) + WHERE + ia.attnum > 0 AND NOT ia.attisdropped + AND c.reltype = t.oid) + + ELSE NULL + END) AS attrnames + FROM + pg_catalog.pg_type AS t + INNER JOIN pg_catalog.pg_namespace ns ON ( + ns.oid = t.typnamespace) + LEFT JOIN pg_type elem_t ON ( + t.typlen = -1 AND + t.typelem != 0 AND + t.typelem = elem_t.oid + ) + LEFT JOIN pg_range range_t ON ( + t.oid = range_t.rngtypid + ) + ) +''' + + +INTRO_LOOKUP_TYPES = '''\ +WITH RECURSIVE typeinfo_tree( + oid, ns, name, kind, basetype, has_bin_io, elemtype, elemdelim, + range_subtype, elem_has_bin_io, attrtypoids, attrnames, depth) +AS ( + SELECT + ti.oid, ti.ns, ti.name, ti.kind, ti.basetype, ti.has_bin_io, + ti.elemtype, ti.elemdelim, ti.range_subtype, ti.elem_has_bin_io, + ti.attrtypoids, ti.attrnames, 0 + FROM + {typeinfo} AS ti + WHERE + ti.oid = any($1::oid[]) + + UNION ALL + + SELECT + ti.oid, ti.ns, ti.name, ti.kind, ti.basetype, ti.has_bin_io, + ti.elemtype, ti.elemdelim, ti.range_subtype, ti.elem_has_bin_io, + ti.attrtypoids, ti.attrnames, tt.depth + 1 + FROM + {typeinfo} ti, + typeinfo_tree tt + WHERE + (tt.elemtype IS NOT NULL AND ti.oid = tt.elemtype) + OR (tt.attrtypoids IS NOT NULL AND ti.oid = any(tt.attrtypoids)) + OR (tt.range_subtype IS NOT NULL AND ti.oid = tt.range_subtype) +) + +SELECT DISTINCT + * +FROM + typeinfo_tree +ORDER BY + depth DESC +'''.format(typeinfo=_TYPEINFO) + + +TYPE_BY_NAME = '''\ +SELECT + t.oid, + t.typelem AS elemtype, + t.typtype AS kind +FROM + pg_catalog.pg_type AS t + INNER JOIN pg_catalog.pg_namespace ns ON (ns.oid = t.typnamespace) +WHERE + t.typname = $1 AND ns.nspname = $2 +''' + + +# 'b' for a base type, 'd' for a domain, 'e' for enum. +SCALAR_TYPE_KINDS = (b'b', b'd', b'e') + + +def is_scalar_type(typeinfo) -> bool: + return ( + typeinfo['kind'] in SCALAR_TYPE_KINDS and + not typeinfo['elemtype'] + ) diff --git a/asyncpg/pgproto/__init__.pxd b/asyncpg/pgproto/__init__.pxd new file mode 100644 index 0000000..1df403c --- /dev/null +++ b/asyncpg/pgproto/__init__.pxd @@ -0,0 +1,5 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 diff --git a/asyncpg/pgproto/__init__.py b/asyncpg/pgproto/__init__.py new file mode 100644 index 0000000..1df403c --- /dev/null +++ b/asyncpg/pgproto/__init__.py @@ -0,0 +1,5 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 diff --git a/asyncpg/pgproto/buffer.pxd b/asyncpg/pgproto/buffer.pxd new file mode 100644 index 0000000..def39d8 --- /dev/null +++ b/asyncpg/pgproto/buffer.pxd @@ -0,0 +1,134 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class WriteBuffer: + cdef: + # Preallocated small buffer + bint _smallbuf_inuse + char _smallbuf[_BUFFER_INITIAL_SIZE] + + char *_buf + + # Allocated size + ssize_t _size + + # Length of data in the buffer + ssize_t _length + + # Number of memoryviews attached to the buffer + int _view_count + + # True is start_message was used + bint _message_mode + + cdef inline len(self): + return self._length + + cdef inline write_len_prefixed_utf8(self, str s): + return self.write_len_prefixed_bytes(s.encode('utf-8')) + + cdef inline _check_readonly(self) + cdef inline _ensure_alloced(self, ssize_t extra_length) + cdef _reallocate(self, ssize_t new_size) + cdef inline start_message(self, char type) + cdef inline end_message(self) + cdef write_buffer(self, WriteBuffer buf) + cdef write_byte(self, char b) + cdef write_bytes(self, bytes data) + cdef write_len_prefixed_buffer(self, WriteBuffer buf) + cdef write_len_prefixed_bytes(self, bytes data) + cdef write_bytestring(self, bytes string) + cdef write_str(self, str string, str encoding) + cdef write_cstr(self, const char *data, ssize_t len) + cdef write_int16(self, int16_t i) + cdef write_int32(self, int32_t i) + cdef write_int64(self, int64_t i) + cdef write_float(self, float f) + cdef write_double(self, double d) + + @staticmethod + cdef WriteBuffer new_message(char type) + + @staticmethod + cdef WriteBuffer new() + + +ctypedef const char * (*try_consume_message_method)(object, ssize_t*) +ctypedef int32_t (*take_message_type_method)(object, char) except -1 +ctypedef int32_t (*take_message_method)(object) except -1 +ctypedef char (*get_message_type_method)(object) + + +cdef class ReadBuffer: + cdef: + # A deque of buffers (bytes objects) + object _bufs + object _bufs_append + object _bufs_popleft + + # A pointer to the first buffer in `_bufs` + bytes _buf0 + + # A pointer to the previous first buffer + # (used to prolong the life of _buf0 when using + # methods like _try_read_bytes) + bytes _buf0_prev + + # Number of buffers in `_bufs` + int32_t _bufs_len + + # A read position in the first buffer in `_bufs` + ssize_t _pos0 + + # Length of the first buffer in `_bufs` + ssize_t _len0 + + # A total number of buffered bytes in ReadBuffer + ssize_t _length + + char _current_message_type + int32_t _current_message_len + ssize_t _current_message_len_unread + bint _current_message_ready + + cdef inline len(self): + return self._length + + cdef inline char get_message_type(self): + return self._current_message_type + + cdef inline int32_t get_message_length(self): + return self._current_message_len + + cdef feed_data(self, data) + cdef inline _ensure_first_buf(self) + cdef _switch_to_next_buf(self) + cdef inline char read_byte(self) except? -1 + cdef inline const char* _try_read_bytes(self, ssize_t nbytes) + cdef inline _read_into(self, char *buf, ssize_t nbytes) + cdef inline _read_and_discard(self, ssize_t nbytes) + cdef bytes read_bytes(self, ssize_t nbytes) + cdef bytes read_len_prefixed_bytes(self) + cdef str read_len_prefixed_utf8(self) + cdef read_uuid(self) + cdef inline int64_t read_int64(self) except? -1 + cdef inline int32_t read_int32(self) except? -1 + cdef inline int16_t read_int16(self) except? -1 + cdef inline read_null_str(self) + cdef int32_t take_message(self) except -1 + cdef inline int32_t take_message_type(self, char mtype) except -1 + cdef int32_t put_message(self) except -1 + cdef inline const char* try_consume_message(self, ssize_t* len) + cdef bytes consume_message(self) + cdef discard_message(self) + cdef redirect_messages(self, WriteBuffer buf, char mtype, int stop_at=?) + cdef bytearray consume_messages(self, char mtype) + cdef finish_message(self) + cdef inline _finish_message(self) + + @staticmethod + cdef ReadBuffer new_message_parser(object data) diff --git a/asyncpg/pgproto/buffer.pyx b/asyncpg/pgproto/buffer.pyx new file mode 100644 index 0000000..6957e93 --- /dev/null +++ b/asyncpg/pgproto/buffer.pyx @@ -0,0 +1,800 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from libc.string cimport memcpy + +import collections + +from . import exceptions + + +@cython.no_gc_clear +@cython.final +@cython.freelist(_BUFFER_FREELIST_SIZE) +cdef class WriteBuffer: + + def __cinit__(self): + self._smallbuf_inuse = True + self._buf = self._smallbuf + self._size = _BUFFER_INITIAL_SIZE + self._length = 0 + self._message_mode = 0 + + def __dealloc__(self): + if self._buf is not NULL and not self._smallbuf_inuse: + cpython.PyMem_Free(self._buf) + self._buf = NULL + self._size = 0 + + if self._view_count: + raise exceptions.BufferError( + 'Deallocating buffer with attached memoryviews') + + def __getbuffer__(self, Py_buffer *buffer, int flags): + self._view_count += 1 + + cpython.PyBuffer_FillInfo( + buffer, self, self._buf, self._length, + 1, # read-only + flags) + + def __releasebuffer__(self, Py_buffer *buffer): + self._view_count -= 1 + + cdef inline _check_readonly(self): + if self._view_count: + raise exceptions.BufferError('the buffer is in read-only mode') + + cdef inline _ensure_alloced(self, ssize_t extra_length): + cdef ssize_t new_size = extra_length + self._length + + if new_size > self._size: + self._reallocate(new_size) + + cdef _reallocate(self, ssize_t new_size): + cdef char *new_buf + + if new_size < _BUFFER_MAX_GROW: + new_size = _BUFFER_MAX_GROW + else: + # Add a little extra + new_size += _BUFFER_INITIAL_SIZE + + if self._smallbuf_inuse: + new_buf = cpython.PyMem_Malloc( + sizeof(char) * new_size) + if new_buf is NULL: + self._buf = NULL + self._size = 0 + self._length = 0 + raise MemoryError + memcpy(new_buf, self._buf, self._size) + self._size = new_size + self._buf = new_buf + self._smallbuf_inuse = False + else: + new_buf = cpython.PyMem_Realloc( + self._buf, new_size) + if new_buf is NULL: + cpython.PyMem_Free(self._buf) + self._buf = NULL + self._size = 0 + self._length = 0 + raise MemoryError + self._buf = new_buf + self._size = new_size + + cdef inline start_message(self, char type): + if self._length != 0: + raise exceptions.BufferError( + 'cannot start_message for a non-empty buffer') + self._ensure_alloced(5) + self._message_mode = 1 + self._buf[0] = type + self._length = 5 + + cdef inline end_message(self): + # "length-1" to exclude the message type byte + cdef ssize_t mlen = self._length - 1 + + self._check_readonly() + if not self._message_mode: + raise exceptions.BufferError( + 'end_message can only be called with start_message') + if self._length < 5: + raise exceptions.BufferError('end_message: buffer is too small') + if mlen > _MAXINT32: + raise exceptions.BufferError('end_message: message is too large') + + hton.pack_int32(&self._buf[1], mlen) + return self + + cdef write_buffer(self, WriteBuffer buf): + self._check_readonly() + + if not buf._length: + return + + self._ensure_alloced(buf._length) + memcpy(self._buf + self._length, + buf._buf, + buf._length) + self._length += buf._length + + cdef write_byte(self, char b): + self._check_readonly() + + self._ensure_alloced(1) + self._buf[self._length] = b + self._length += 1 + + cdef write_bytes(self, bytes data): + cdef char* buf + cdef ssize_t len + + cpython.PyBytes_AsStringAndSize(data, &buf, &len) + self.write_cstr(buf, len) + + cdef write_bytestring(self, bytes string): + cdef char* buf + cdef ssize_t len + + cpython.PyBytes_AsStringAndSize(string, &buf, &len) + # PyBytes_AsStringAndSize returns a null-terminated buffer, + # but the null byte is not counted in len. hence the + 1 + self.write_cstr(buf, len + 1) + + cdef write_str(self, str string, str encoding): + self.write_bytestring(string.encode(encoding)) + + cdef write_len_prefixed_buffer(self, WriteBuffer buf): + # Write a length-prefixed (not NULL-terminated) bytes sequence. + self.write_int32(buf.len()) + self.write_buffer(buf) + + cdef write_len_prefixed_bytes(self, bytes data): + # Write a length-prefixed (not NULL-terminated) bytes sequence. + cdef: + char *buf + ssize_t size + + cpython.PyBytes_AsStringAndSize(data, &buf, &size) + if size > _MAXINT32: + raise exceptions.BufferError('string is too large') + # `size` does not account for the NULL at the end. + self.write_int32(size) + self.write_cstr(buf, size) + + cdef write_cstr(self, const char *data, ssize_t len): + self._check_readonly() + self._ensure_alloced(len) + + memcpy(self._buf + self._length, data, len) + self._length += len + + cdef write_int16(self, int16_t i): + self._check_readonly() + self._ensure_alloced(2) + + hton.pack_int16(&self._buf[self._length], i) + self._length += 2 + + cdef write_int32(self, int32_t i): + self._check_readonly() + self._ensure_alloced(4) + + hton.pack_int32(&self._buf[self._length], i) + self._length += 4 + + cdef write_int64(self, int64_t i): + self._check_readonly() + self._ensure_alloced(8) + + hton.pack_int64(&self._buf[self._length], i) + self._length += 8 + + cdef write_float(self, float f): + self._check_readonly() + self._ensure_alloced(4) + + hton.pack_float(&self._buf[self._length], f) + self._length += 4 + + cdef write_double(self, double d): + self._check_readonly() + self._ensure_alloced(8) + + hton.pack_double(&self._buf[self._length], d) + self._length += 8 + + @staticmethod + cdef WriteBuffer new_message(char type): + cdef WriteBuffer buf + buf = WriteBuffer.__new__(WriteBuffer) + buf.start_message(type) + return buf + + @staticmethod + cdef WriteBuffer new(): + cdef WriteBuffer buf + buf = WriteBuffer.__new__(WriteBuffer) + return buf + + +@cython.no_gc_clear +@cython.final +@cython.freelist(_BUFFER_FREELIST_SIZE) +cdef class ReadBuffer: + + def __cinit__(self): + self._bufs = collections.deque() + self._bufs_append = self._bufs.append + self._bufs_popleft = self._bufs.popleft + self._bufs_len = 0 + self._buf0 = None + self._buf0_prev = None + self._pos0 = 0 + self._len0 = 0 + self._length = 0 + + self._current_message_type = 0 + self._current_message_len = 0 + self._current_message_len_unread = 0 + self._current_message_ready = 0 + + cdef feed_data(self, data): + cdef: + ssize_t dlen + bytes data_bytes + + if not cpython.PyBytes_CheckExact(data): + raise exceptions.BufferError('feed_data: bytes object expected') + + # Uncomment the below code to test code paths that + # read single int/str/bytes sequences are split over + # multiple received buffers. + # + # ll = 107 + # if len(data) > ll: + # self.feed_data(data[:ll]) + # self.feed_data(data[ll:]) + # return + + data_bytes = data + + dlen = cpython.Py_SIZE(data_bytes) + if dlen == 0: + # EOF? + return + + self._bufs_append(data_bytes) + self._length += dlen + + if self._bufs_len == 0: + # First buffer + self._len0 = dlen + self._buf0 = data_bytes + + self._bufs_len += 1 + + cdef inline _ensure_first_buf(self): + if PG_DEBUG: + if self._len0 == 0: + raise exceptions.BufferError('empty first buffer') + if self._length == 0: + raise exceptions.BufferError('empty buffer') + + if self._pos0 == self._len0: + self._switch_to_next_buf() + + cdef _switch_to_next_buf(self): + # The first buffer is fully read, discard it + self._bufs_popleft() + self._bufs_len -= 1 + + # Shouldn't fail, since we've checked that `_length >= 1` + # in _ensure_first_buf() + self._buf0_prev = self._buf0 + self._buf0 = self._bufs[0] + + self._pos0 = 0 + self._len0 = len(self._buf0) + + if PG_DEBUG: + if self._len0 < 1: + raise exceptions.BufferError( + 'debug: second buffer of ReadBuffer is empty') + + cdef inline const char* _try_read_bytes(self, ssize_t nbytes): + # Try to read *nbytes* from the first buffer. + # + # Returns pointer to data if there is at least *nbytes* + # in the buffer, NULL otherwise. + # + # Important: caller must call _ensure_first_buf() prior + # to calling try_read_bytes, and must not overread + + cdef: + const char *result + + if PG_DEBUG: + if nbytes > self._length: + return NULL + + if self._current_message_ready: + if self._current_message_len_unread < nbytes: + return NULL + + if self._pos0 + nbytes <= self._len0: + result = cpython.PyBytes_AS_STRING(self._buf0) + result += self._pos0 + self._pos0 += nbytes + self._length -= nbytes + if self._current_message_ready: + self._current_message_len_unread -= nbytes + return result + else: + return NULL + + cdef inline _read_into(self, char *buf, ssize_t nbytes): + cdef: + ssize_t nread + char *buf0 + + while True: + buf0 = cpython.PyBytes_AS_STRING(self._buf0) + + if self._pos0 + nbytes > self._len0: + nread = self._len0 - self._pos0 + memcpy(buf, buf0 + self._pos0, nread) + self._pos0 = self._len0 + self._length -= nread + nbytes -= nread + buf += nread + self._ensure_first_buf() + + else: + memcpy(buf, buf0 + self._pos0, nbytes) + self._pos0 += nbytes + self._length -= nbytes + break + + cdef inline _read_and_discard(self, ssize_t nbytes): + cdef: + ssize_t nread + + self._ensure_first_buf() + while True: + if self._pos0 + nbytes > self._len0: + nread = self._len0 - self._pos0 + self._pos0 = self._len0 + self._length -= nread + nbytes -= nread + self._ensure_first_buf() + + else: + self._pos0 += nbytes + self._length -= nbytes + break + + cdef bytes read_bytes(self, ssize_t nbytes): + cdef: + bytes result + ssize_t nread + const char *cbuf + char *buf + + self._ensure_first_buf() + cbuf = self._try_read_bytes(nbytes) + if cbuf != NULL: + return cpython.PyBytes_FromStringAndSize(cbuf, nbytes) + + if nbytes > self._length: + raise exceptions.BufferError( + 'not enough data to read {} bytes'.format(nbytes)) + + if self._current_message_ready: + self._current_message_len_unread -= nbytes + if self._current_message_len_unread < 0: + raise exceptions.BufferError('buffer overread') + + result = cpython.PyBytes_FromStringAndSize(NULL, nbytes) + buf = cpython.PyBytes_AS_STRING(result) + self._read_into(buf, nbytes) + return result + + cdef bytes read_len_prefixed_bytes(self): + cdef int32_t size = self.read_int32() + if size < 0: + raise exceptions.BufferError( + 'negative length for a len-prefixed bytes value') + if size == 0: + return b'' + return self.read_bytes(size) + + cdef str read_len_prefixed_utf8(self): + cdef: + int32_t size + const char *cbuf + + size = self.read_int32() + if size < 0: + raise exceptions.BufferError( + 'negative length for a len-prefixed bytes value') + + if size == 0: + return '' + + self._ensure_first_buf() + cbuf = self._try_read_bytes(size) + if cbuf != NULL: + return cpython.PyUnicode_DecodeUTF8(cbuf, size, NULL) + else: + return self.read_bytes(size).decode('utf-8') + + cdef read_uuid(self): + cdef: + bytes mem + const char *cbuf + + self._ensure_first_buf() + cbuf = self._try_read_bytes(16) + if cbuf != NULL: + return pg_uuid_from_buf(cbuf) + else: + return pg_UUID(self.read_bytes(16)) + + cdef inline char read_byte(self) except? -1: + cdef const char *first_byte + + if PG_DEBUG: + if not self._buf0: + raise exceptions.BufferError( + 'debug: first buffer of ReadBuffer is empty') + + self._ensure_first_buf() + first_byte = self._try_read_bytes(1) + if first_byte is NULL: + raise exceptions.BufferError('not enough data to read one byte') + + return first_byte[0] + + cdef inline int64_t read_int64(self) except? -1: + cdef: + bytes mem + const char *cbuf + + self._ensure_first_buf() + cbuf = self._try_read_bytes(8) + if cbuf != NULL: + return hton.unpack_int64(cbuf) + else: + mem = self.read_bytes(8) + return hton.unpack_int64(cpython.PyBytes_AS_STRING(mem)) + + cdef inline int32_t read_int32(self) except? -1: + cdef: + bytes mem + const char *cbuf + + self._ensure_first_buf() + cbuf = self._try_read_bytes(4) + if cbuf != NULL: + return hton.unpack_int32(cbuf) + else: + mem = self.read_bytes(4) + return hton.unpack_int32(cpython.PyBytes_AS_STRING(mem)) + + cdef inline int16_t read_int16(self) except? -1: + cdef: + bytes mem + const char *cbuf + + self._ensure_first_buf() + cbuf = self._try_read_bytes(2) + if cbuf != NULL: + return hton.unpack_int16(cbuf) + else: + mem = self.read_bytes(2) + return hton.unpack_int16(cpython.PyBytes_AS_STRING(mem)) + + cdef inline read_null_str(self): + if not self._current_message_ready: + raise exceptions.BufferError( + 'read_null_str only works when the message guaranteed ' + 'to be in the buffer') + + cdef: + ssize_t pos + ssize_t nread + bytes result + const char *buf + const char *buf_start + + self._ensure_first_buf() + + buf_start = cpython.PyBytes_AS_STRING(self._buf0) + buf = buf_start + self._pos0 + while buf - buf_start < self._len0: + if buf[0] == 0: + pos = buf - buf_start + nread = pos - self._pos0 + buf = self._try_read_bytes(nread + 1) + if buf != NULL: + return cpython.PyBytes_FromStringAndSize(buf, nread) + else: + break + else: + buf += 1 + + result = b'' + while True: + pos = self._buf0.find(b'\x00', self._pos0) + if pos >= 0: + result += self._buf0[self._pos0 : pos] + nread = pos - self._pos0 + 1 + self._pos0 = pos + 1 + self._length -= nread + + self._current_message_len_unread -= nread + if self._current_message_len_unread < 0: + raise exceptions.BufferError( + 'read_null_str: buffer overread') + + return result + + else: + result += self._buf0[self._pos0:] + nread = self._len0 - self._pos0 + self._pos0 = self._len0 + self._length -= nread + + self._current_message_len_unread -= nread + if self._current_message_len_unread < 0: + raise exceptions.BufferError( + 'read_null_str: buffer overread') + + self._ensure_first_buf() + + cdef int32_t take_message(self) except -1: + cdef: + const char *cbuf + + if self._current_message_ready: + return 1 + + if self._current_message_type == 0: + if self._length < 1: + return 0 + self._ensure_first_buf() + cbuf = self._try_read_bytes(1) + if cbuf == NULL: + raise exceptions.BufferError( + 'failed to read one byte on a non-empty buffer') + self._current_message_type = cbuf[0] + + if self._current_message_len == 0: + if self._length < 4: + return 0 + + self._ensure_first_buf() + cbuf = self._try_read_bytes(4) + if cbuf != NULL: + self._current_message_len = hton.unpack_int32(cbuf) + else: + self._current_message_len = self.read_int32() + + self._current_message_len_unread = self._current_message_len - 4 + + if self._length < self._current_message_len_unread: + return 0 + + self._current_message_ready = 1 + return 1 + + cdef inline int32_t take_message_type(self, char mtype) except -1: + cdef const char *buf0 + + if self._current_message_ready: + return self._current_message_type == mtype + elif self._length >= 1: + self._ensure_first_buf() + buf0 = cpython.PyBytes_AS_STRING(self._buf0) + + return buf0[self._pos0] == mtype and self.take_message() + else: + return 0 + + cdef int32_t put_message(self) except -1: + if not self._current_message_ready: + raise exceptions.BufferError( + 'cannot put message: no message taken') + self._current_message_ready = False + return 0 + + cdef inline const char* try_consume_message(self, ssize_t* len): + cdef: + ssize_t buf_len + const char *buf + + if not self._current_message_ready: + return NULL + + self._ensure_first_buf() + buf_len = self._current_message_len_unread + buf = self._try_read_bytes(buf_len) + if buf != NULL: + len[0] = buf_len + self._finish_message() + return buf + + cdef discard_message(self): + if not self._current_message_ready: + raise exceptions.BufferError('no message to discard') + if self._current_message_len_unread > 0: + self._read_and_discard(self._current_message_len_unread) + self._current_message_len_unread = 0 + self._finish_message() + + cdef bytes consume_message(self): + if not self._current_message_ready: + raise exceptions.BufferError('no message to consume') + if self._current_message_len_unread > 0: + mem = self.read_bytes(self._current_message_len_unread) + else: + mem = b'' + self._finish_message() + return mem + + cdef redirect_messages(self, WriteBuffer buf, char mtype, + int stop_at=0): + if not self._current_message_ready: + raise exceptions.BufferError( + 'consume_full_messages called on a buffer without a ' + 'complete first message') + if mtype != self._current_message_type: + raise exceptions.BufferError( + 'consume_full_messages called with a wrong mtype') + if self._current_message_len_unread != self._current_message_len - 4: + raise exceptions.BufferError( + 'consume_full_messages called on a partially read message') + + cdef: + const char* cbuf + ssize_t cbuf_len + int32_t msg_len + ssize_t new_pos0 + ssize_t pos_delta + int32_t done + + while True: + buf.write_byte(mtype) + buf.write_int32(self._current_message_len) + + cbuf = self.try_consume_message(&cbuf_len) + if cbuf != NULL: + buf.write_cstr(cbuf, cbuf_len) + else: + buf.write_bytes(self.consume_message()) + + if self._length > 0: + self._ensure_first_buf() + else: + return + + if stop_at and buf._length >= stop_at: + return + + # Fast path: exhaust buf0 as efficiently as possible. + if self._pos0 + 5 <= self._len0: + cbuf = cpython.PyBytes_AS_STRING(self._buf0) + new_pos0 = self._pos0 + cbuf_len = self._len0 + + done = 0 + # Scan the first buffer and find the position of the + # end of the last "mtype" message. + while new_pos0 + 5 <= cbuf_len: + if (cbuf + new_pos0)[0] != mtype: + done = 1 + break + if (stop_at and + (buf._length + new_pos0 - self._pos0) > stop_at): + done = 1 + break + msg_len = hton.unpack_int32(cbuf + new_pos0 + 1) + 1 + if new_pos0 + msg_len > cbuf_len: + break + new_pos0 += msg_len + + if new_pos0 != self._pos0: + assert self._pos0 < new_pos0 <= self._len0 + + pos_delta = new_pos0 - self._pos0 + buf.write_cstr( + cbuf + self._pos0, + pos_delta) + + self._pos0 = new_pos0 + self._length -= pos_delta + + assert self._length >= 0 + + if done: + # The next message is of a different type. + return + + # Back to slow path. + if not self.take_message_type(mtype): + return + + cdef bytearray consume_messages(self, char mtype): + """Consume consecutive messages of the same type.""" + cdef: + char *buf + ssize_t nbytes + ssize_t total_bytes = 0 + bytearray result + + if not self.take_message_type(mtype): + return None + + # consume_messages is a volume-oriented method, so + # we assume that the remainder of the buffer will contain + # messages of the requested type. + result = cpythonx.PyByteArray_FromStringAndSize(NULL, self._length) + buf = cpythonx.PyByteArray_AsString(result) + + while self.take_message_type(mtype): + self._ensure_first_buf() + nbytes = self._current_message_len_unread + self._read_into(buf, nbytes) + buf += nbytes + total_bytes += nbytes + self._finish_message() + + # Clamp the result to an actual size read. + cpythonx.PyByteArray_Resize(result, total_bytes) + + return result + + cdef finish_message(self): + if self._current_message_type == 0 or not self._current_message_ready: + # The message has already been finished (e.g by consume_message()), + # or has been put back by put_message(). + return + + if self._current_message_len_unread: + if PG_DEBUG: + mtype = chr(self._current_message_type) + + discarded = self.consume_message() + + if PG_DEBUG: + print('!!! discarding message {!r} unread data: {!r}'.format( + mtype, + discarded)) + + self._finish_message() + + cdef inline _finish_message(self): + self._current_message_type = 0 + self._current_message_len = 0 + self._current_message_ready = 0 + self._current_message_len_unread = 0 + + @staticmethod + cdef ReadBuffer new_message_parser(object data): + cdef ReadBuffer buf + + buf = ReadBuffer.__new__(ReadBuffer) + buf.feed_data(data) + + buf._current_message_ready = 1 + buf._current_message_len_unread = buf._len0 + + return buf diff --git a/asyncpg/pgproto/codecs/__init__.pxd b/asyncpg/pgproto/codecs/__init__.pxd new file mode 100644 index 0000000..a16c898 --- /dev/null +++ b/asyncpg/pgproto/codecs/__init__.pxd @@ -0,0 +1,146 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class CodecContext: + + cpdef get_text_codec(self) + cdef is_encoding_utf8(self) + + +ctypedef object (*encode_func)(CodecContext settings, + WriteBuffer buf, + object obj) + +ctypedef object (*decode_func)(CodecContext settings, + FRBuffer *buf) + + +# Datetime +cdef date_encode(CodecContext settings, WriteBuffer buf, obj) +cdef date_decode(CodecContext settings, FRBuffer * buf) +cdef date_encode_tuple(CodecContext settings, WriteBuffer buf, obj) +cdef date_decode_tuple(CodecContext settings, FRBuffer * buf) +cdef timestamp_encode(CodecContext settings, WriteBuffer buf, obj) +cdef timestamp_decode(CodecContext settings, FRBuffer * buf) +cdef timestamp_encode_tuple(CodecContext settings, WriteBuffer buf, obj) +cdef timestamp_decode_tuple(CodecContext settings, FRBuffer * buf) +cdef timestamptz_encode(CodecContext settings, WriteBuffer buf, obj) +cdef timestamptz_decode(CodecContext settings, FRBuffer * buf) +cdef time_encode(CodecContext settings, WriteBuffer buf, obj) +cdef time_decode(CodecContext settings, FRBuffer * buf) +cdef time_encode_tuple(CodecContext settings, WriteBuffer buf, obj) +cdef time_decode_tuple(CodecContext settings, FRBuffer * buf) +cdef timetz_encode(CodecContext settings, WriteBuffer buf, obj) +cdef timetz_decode(CodecContext settings, FRBuffer * buf) +cdef timetz_encode_tuple(CodecContext settings, WriteBuffer buf, obj) +cdef timetz_decode_tuple(CodecContext settings, FRBuffer * buf) +cdef interval_encode(CodecContext settings, WriteBuffer buf, obj) +cdef interval_decode(CodecContext settings, FRBuffer * buf) +cdef interval_encode_tuple(CodecContext settings, WriteBuffer buf, tuple obj) +cdef interval_decode_tuple(CodecContext settings, FRBuffer * buf) + + +# Bits +cdef bits_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef bits_decode(CodecContext settings, FRBuffer * buf) + + +# Bools +cdef bool_encode(CodecContext settings, WriteBuffer buf, obj) +cdef bool_decode(CodecContext settings, FRBuffer * buf) + + +# Geometry +cdef box_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef box_decode(CodecContext settings, FRBuffer * buf) +cdef line_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef line_decode(CodecContext settings, FRBuffer * buf) +cdef lseg_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef lseg_decode(CodecContext settings, FRBuffer * buf) +cdef point_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef point_decode(CodecContext settings, FRBuffer * buf) +cdef path_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef path_decode(CodecContext settings, FRBuffer * buf) +cdef poly_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef poly_decode(CodecContext settings, FRBuffer * buf) +cdef circle_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef circle_decode(CodecContext settings, FRBuffer * buf) + + +# Hstore +cdef hstore_encode(CodecContext settings, WriteBuffer buf, obj) +cdef hstore_decode(CodecContext settings, FRBuffer * buf) + + +# Ints +cdef int2_encode(CodecContext settings, WriteBuffer buf, obj) +cdef int2_decode(CodecContext settings, FRBuffer * buf) +cdef int4_encode(CodecContext settings, WriteBuffer buf, obj) +cdef int4_decode(CodecContext settings, FRBuffer * buf) +cdef uint4_encode(CodecContext settings, WriteBuffer buf, obj) +cdef uint4_decode(CodecContext settings, FRBuffer * buf) +cdef int8_encode(CodecContext settings, WriteBuffer buf, obj) +cdef int8_decode(CodecContext settings, FRBuffer * buf) + + +# Floats +cdef float4_encode(CodecContext settings, WriteBuffer buf, obj) +cdef float4_decode(CodecContext settings, FRBuffer * buf) +cdef float8_encode(CodecContext settings, WriteBuffer buf, obj) +cdef float8_decode(CodecContext settings, FRBuffer * buf) + + +# JSON +cdef jsonb_encode(CodecContext settings, WriteBuffer buf, obj) +cdef jsonb_decode(CodecContext settings, FRBuffer * buf) + + +# Text +cdef as_pg_string_and_size( + CodecContext settings, obj, char **cstr, ssize_t *size) +cdef text_encode(CodecContext settings, WriteBuffer buf, obj) +cdef text_decode(CodecContext settings, FRBuffer * buf) + +# Bytea +cdef bytea_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef bytea_decode(CodecContext settings, FRBuffer * buf) + + +# UUID +cdef uuid_encode(CodecContext settings, WriteBuffer wbuf, obj) +cdef uuid_decode(CodecContext settings, FRBuffer * buf) + + +# Numeric +cdef numeric_encode_text(CodecContext settings, WriteBuffer buf, obj) +cdef numeric_decode_text(CodecContext settings, FRBuffer * buf) +cdef numeric_encode_binary(CodecContext settings, WriteBuffer buf, obj) +cdef numeric_decode_binary(CodecContext settings, FRBuffer * buf) +cdef numeric_decode_binary_ex(CodecContext settings, FRBuffer * buf, + bint trail_fract_zero) + + +# Void +cdef void_encode(CodecContext settings, WriteBuffer buf, obj) +cdef void_decode(CodecContext settings, FRBuffer * buf) + + +# tid +cdef tid_encode(CodecContext settings, WriteBuffer buf, obj) +cdef tid_decode(CodecContext settings, FRBuffer * buf) + + +# Network +cdef cidr_encode(CodecContext settings, WriteBuffer buf, obj) +cdef cidr_decode(CodecContext settings, FRBuffer * buf) +cdef inet_encode(CodecContext settings, WriteBuffer buf, obj) +cdef inet_decode(CodecContext settings, FRBuffer * buf) + + +# txid +cdef txid_snapshot_encode(CodecContext settings, WriteBuffer buf, obj) +cdef txid_snapshot_decode(CodecContext settings, FRBuffer * buf) diff --git a/asyncpg/pgproto/codecs/bits.pyx b/asyncpg/pgproto/codecs/bits.pyx new file mode 100644 index 0000000..14f7bb0 --- /dev/null +++ b/asyncpg/pgproto/codecs/bits.pyx @@ -0,0 +1,47 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef bits_encode(CodecContext settings, WriteBuffer wbuf, obj): + cdef: + Py_buffer pybuf + bint pybuf_used = False + char *buf + ssize_t len + ssize_t bitlen + + if cpython.PyBytes_CheckExact(obj): + buf = cpython.PyBytes_AS_STRING(obj) + len = cpython.Py_SIZE(obj) + bitlen = len * 8 + elif isinstance(obj, pgproto_types.BitString): + cpython.PyBytes_AsStringAndSize(obj.bytes, &buf, &len) + bitlen = obj.__len__() + else: + cpython.PyObject_GetBuffer(obj, &pybuf, cpython.PyBUF_SIMPLE) + pybuf_used = True + buf = pybuf.buf + len = pybuf.len + bitlen = len * 8 + + try: + if bitlen > _MAXINT32: + raise ValueError('bit value too long') + wbuf.write_int32(4 + len) + wbuf.write_int32(bitlen) + wbuf.write_cstr(buf, len) + finally: + if pybuf_used: + cpython.PyBuffer_Release(&pybuf) + + +cdef bits_decode(CodecContext settings, FRBuffer *buf): + cdef: + int32_t bitlen = hton.unpack_int32(frb_read(buf, 4)) + ssize_t buf_len = buf.len + + bytes_ = cpython.PyBytes_FromStringAndSize(frb_read_all(buf), buf_len) + return pgproto_types.BitString.frombytes(bytes_, bitlen) diff --git a/asyncpg/pgproto/codecs/bytea.pyx b/asyncpg/pgproto/codecs/bytea.pyx new file mode 100644 index 0000000..1581825 --- /dev/null +++ b/asyncpg/pgproto/codecs/bytea.pyx @@ -0,0 +1,34 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef bytea_encode(CodecContext settings, WriteBuffer wbuf, obj): + cdef: + Py_buffer pybuf + bint pybuf_used = False + char *buf + ssize_t len + + if cpython.PyBytes_CheckExact(obj): + buf = cpython.PyBytes_AS_STRING(obj) + len = cpython.Py_SIZE(obj) + else: + cpython.PyObject_GetBuffer(obj, &pybuf, cpython.PyBUF_SIMPLE) + pybuf_used = True + buf = pybuf.buf + len = pybuf.len + + try: + wbuf.write_int32(len) + wbuf.write_cstr(buf, len) + finally: + if pybuf_used: + cpython.PyBuffer_Release(&pybuf) + + +cdef bytea_decode(CodecContext settings, FRBuffer *buf): + cdef ssize_t buf_len = buf.len + return cpython.PyBytes_FromStringAndSize(frb_read_all(buf), buf_len) diff --git a/asyncpg/pgproto/codecs/context.pyx b/asyncpg/pgproto/codecs/context.pyx new file mode 100644 index 0000000..7df5b23 --- /dev/null +++ b/asyncpg/pgproto/codecs/context.pyx @@ -0,0 +1,14 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class CodecContext: + + cpdef get_text_codec(self): + raise NotImplementedError + + cdef is_encoding_utf8(self): + raise NotImplementedError diff --git a/asyncpg/pgproto/codecs/datetime.pyx b/asyncpg/pgproto/codecs/datetime.pyx new file mode 100644 index 0000000..71beca8 --- /dev/null +++ b/asyncpg/pgproto/codecs/datetime.pyx @@ -0,0 +1,428 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cimport cpython.datetime +import datetime + +cpython.datetime.import_datetime() + +utc = datetime.timezone.utc +date_from_ordinal = datetime.date.fromordinal +timedelta = datetime.timedelta + +pg_epoch_datetime = datetime.datetime(2000, 1, 1) +cdef int32_t pg_epoch_datetime_ts = \ + cpython.PyLong_AsLong(int(pg_epoch_datetime.timestamp())) + +pg_epoch_datetime_utc = datetime.datetime(2000, 1, 1, tzinfo=utc) +cdef int32_t pg_epoch_datetime_utc_ts = \ + cpython.PyLong_AsLong(int(pg_epoch_datetime_utc.timestamp())) + +pg_epoch_date = datetime.date(2000, 1, 1) +cdef int32_t pg_date_offset_ord = \ + cpython.PyLong_AsLong(pg_epoch_date.toordinal()) + +# Binary representations of infinity for datetimes. +cdef int64_t pg_time64_infinity = 0x7fffffffffffffff +cdef int64_t pg_time64_negative_infinity = 0x8000000000000000 +cdef int32_t pg_date_infinity = 0x7fffffff +cdef int32_t pg_date_negative_infinity = 0x80000000 + +infinity_datetime = datetime.datetime( + datetime.MAXYEAR, 12, 31, 23, 59, 59, 999999) + +cdef int32_t infinity_datetime_ord = cpython.PyLong_AsLong( + infinity_datetime.toordinal()) + +cdef int64_t infinity_datetime_ts = 252455615999999999 + +negative_infinity_datetime = datetime.datetime( + datetime.MINYEAR, 1, 1, 0, 0, 0, 0) + +cdef int32_t negative_infinity_datetime_ord = cpython.PyLong_AsLong( + negative_infinity_datetime.toordinal()) + +cdef int64_t negative_infinity_datetime_ts = -63082281600000000 + +infinity_date = datetime.date(datetime.MAXYEAR, 12, 31) + +cdef int32_t infinity_date_ord = cpython.PyLong_AsLong( + infinity_date.toordinal()) + +negative_infinity_date = datetime.date(datetime.MINYEAR, 1, 1) + +cdef int32_t negative_infinity_date_ord = cpython.PyLong_AsLong( + negative_infinity_date.toordinal()) + + +cdef inline _local_timezone(): + d = datetime.datetime.now(datetime.timezone.utc).astimezone() + return datetime.timezone(d.utcoffset()) + + +cdef inline _encode_time(WriteBuffer buf, int64_t seconds, + int32_t microseconds): + # XXX: add support for double timestamps + # int64 timestamps, + cdef int64_t ts = seconds * 1000000 + microseconds + + if ts == infinity_datetime_ts: + buf.write_int64(pg_time64_infinity) + elif ts == negative_infinity_datetime_ts: + buf.write_int64(pg_time64_negative_infinity) + else: + buf.write_int64(ts) + + +cdef inline int32_t _decode_time(FRBuffer *buf, int64_t *seconds, + int32_t *microseconds): + cdef int64_t ts = hton.unpack_int64(frb_read(buf, 8)) + + if ts == pg_time64_infinity: + return 1 + elif ts == pg_time64_negative_infinity: + return -1 + else: + seconds[0] = ts // 1000000 + microseconds[0] = (ts % 1000000) + return 0 + + +cdef date_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + int32_t ordinal = cpython.PyLong_AsLong(obj.toordinal()) + int32_t pg_ordinal + + if ordinal == infinity_date_ord: + pg_ordinal = pg_date_infinity + elif ordinal == negative_infinity_date_ord: + pg_ordinal = pg_date_negative_infinity + else: + pg_ordinal = ordinal - pg_date_offset_ord + + buf.write_int32(4) + buf.write_int32(pg_ordinal) + + +cdef date_encode_tuple(CodecContext settings, WriteBuffer buf, obj): + cdef: + int32_t pg_ordinal + + if len(obj) != 1: + raise ValueError( + 'date tuple encoder: expecting 1 element ' + 'in tuple, got {}'.format(len(obj))) + + pg_ordinal = obj[0] + buf.write_int32(4) + buf.write_int32(pg_ordinal) + + +cdef date_decode(CodecContext settings, FRBuffer *buf): + cdef int32_t pg_ordinal = hton.unpack_int32(frb_read(buf, 4)) + + if pg_ordinal == pg_date_infinity: + return infinity_date + elif pg_ordinal == pg_date_negative_infinity: + return negative_infinity_date + else: + return date_from_ordinal(pg_ordinal + pg_date_offset_ord) + + +cdef date_decode_tuple(CodecContext settings, FRBuffer *buf): + cdef int32_t pg_ordinal = hton.unpack_int32(frb_read(buf, 4)) + + return (pg_ordinal,) + + +cdef timestamp_encode(CodecContext settings, WriteBuffer buf, obj): + if not cpython.datetime.PyDateTime_Check(obj): + if cpython.datetime.PyDate_Check(obj): + obj = datetime.datetime(obj.year, obj.month, obj.day) + else: + raise TypeError( + 'expected a datetime.date or datetime.datetime instance, ' + 'got {!r}'.format(type(obj).__name__) + ) + + delta = obj - pg_epoch_datetime + cdef: + int64_t seconds = cpython.PyLong_AsLongLong(delta.days) * 86400 + \ + cpython.PyLong_AsLong(delta.seconds) + int32_t microseconds = cpython.PyLong_AsLong( + delta.microseconds) + + buf.write_int32(8) + _encode_time(buf, seconds, microseconds) + + +cdef timestamp_encode_tuple(CodecContext settings, WriteBuffer buf, obj): + cdef: + int64_t microseconds + + if len(obj) != 1: + raise ValueError( + 'timestamp tuple encoder: expecting 1 element ' + 'in tuple, got {}'.format(len(obj))) + + microseconds = obj[0] + + buf.write_int32(8) + buf.write_int64(microseconds) + + +cdef timestamp_decode(CodecContext settings, FRBuffer *buf): + cdef: + int64_t seconds = 0 + int32_t microseconds = 0 + int32_t inf = _decode_time(buf, &seconds, µseconds) + + if inf > 0: + # positive infinity + return infinity_datetime + elif inf < 0: + # negative infinity + return negative_infinity_datetime + else: + return pg_epoch_datetime.__add__( + timedelta(0, seconds, microseconds)) + + +cdef timestamp_decode_tuple(CodecContext settings, FRBuffer *buf): + cdef: + int64_t ts = hton.unpack_int64(frb_read(buf, 8)) + + return (ts,) + + +cdef timestamptz_encode(CodecContext settings, WriteBuffer buf, obj): + if not cpython.datetime.PyDateTime_Check(obj): + if cpython.datetime.PyDate_Check(obj): + obj = datetime.datetime(obj.year, obj.month, obj.day, + tzinfo=_local_timezone()) + else: + raise TypeError( + 'expected a datetime.date or datetime.datetime instance, ' + 'got {!r}'.format(type(obj).__name__) + ) + + buf.write_int32(8) + + if obj == infinity_datetime: + buf.write_int64(pg_time64_infinity) + return + elif obj == negative_infinity_datetime: + buf.write_int64(pg_time64_negative_infinity) + return + + try: + utc_dt = obj.astimezone(utc) + except ValueError: + # Python 3.5 doesn't like it when we call astimezone() + # on naive datetime objects, so make it aware. + utc_dt = obj.replace(tzinfo=_local_timezone()).astimezone(utc) + + delta = utc_dt - pg_epoch_datetime_utc + cdef: + int64_t seconds = cpython.PyLong_AsLongLong(delta.days) * 86400 + \ + cpython.PyLong_AsLong(delta.seconds) + int32_t microseconds = cpython.PyLong_AsLong( + delta.microseconds) + + _encode_time(buf, seconds, microseconds) + + +cdef timestamptz_decode(CodecContext settings, FRBuffer *buf): + cdef: + int64_t seconds = 0 + int32_t microseconds = 0 + int32_t inf = _decode_time(buf, &seconds, µseconds) + + if inf > 0: + # positive infinity + return infinity_datetime + elif inf < 0: + # negative infinity + return negative_infinity_datetime + else: + return pg_epoch_datetime_utc.__add__( + timedelta(0, seconds, microseconds)) + + +cdef time_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + int64_t seconds = cpython.PyLong_AsLong(obj.hour) * 3600 + \ + cpython.PyLong_AsLong(obj.minute) * 60 + \ + cpython.PyLong_AsLong(obj.second) + int32_t microseconds = cpython.PyLong_AsLong(obj.microsecond) + + buf.write_int32(8) + _encode_time(buf, seconds, microseconds) + + +cdef time_encode_tuple(CodecContext settings, WriteBuffer buf, obj): + cdef: + int64_t microseconds + + if len(obj) != 1: + raise ValueError( + 'time tuple encoder: expecting 1 element ' + 'in tuple, got {}'.format(len(obj))) + + microseconds = obj[0] + + buf.write_int32(8) + buf.write_int64(microseconds) + + +cdef time_decode(CodecContext settings, FRBuffer *buf): + cdef: + int64_t seconds = 0 + int32_t microseconds = 0 + + _decode_time(buf, &seconds, µseconds) + + cdef: + int64_t minutes = (seconds / 60) + int64_t sec = seconds % 60 + int64_t hours = (minutes / 60) + int64_t min = minutes % 60 + + return datetime.time(hours, min, sec, microseconds) + + +cdef time_decode_tuple(CodecContext settings, FRBuffer *buf): + cdef: + int64_t ts = hton.unpack_int64(frb_read(buf, 8)) + + return (ts,) + + +cdef timetz_encode(CodecContext settings, WriteBuffer buf, obj): + offset = obj.tzinfo.utcoffset(None) + + cdef: + int32_t offset_sec = \ + cpython.PyLong_AsLong(offset.days) * 24 * 60 * 60 + \ + cpython.PyLong_AsLong(offset.seconds) + + int64_t seconds = cpython.PyLong_AsLong(obj.hour) * 3600 + \ + cpython.PyLong_AsLong(obj.minute) * 60 + \ + cpython.PyLong_AsLong(obj.second) + + int32_t microseconds = cpython.PyLong_AsLong(obj.microsecond) + + buf.write_int32(12) + _encode_time(buf, seconds, microseconds) + # In Python utcoffset() is the difference between the local time + # and the UTC, whereas in PostgreSQL it's the opposite, + # so we need to flip the sign. + buf.write_int32(-offset_sec) + + +cdef timetz_encode_tuple(CodecContext settings, WriteBuffer buf, obj): + cdef: + int64_t microseconds + int32_t offset_sec + + if len(obj) != 2: + raise ValueError( + 'time tuple encoder: expecting 2 elements2 ' + 'in tuple, got {}'.format(len(obj))) + + microseconds = obj[0] + offset_sec = obj[1] + + buf.write_int32(12) + buf.write_int64(microseconds) + buf.write_int32(offset_sec) + + +cdef timetz_decode(CodecContext settings, FRBuffer *buf): + time = time_decode(settings, buf) + cdef int32_t offset = (hton.unpack_int32(frb_read(buf, 4)) / 60) + # See the comment in the `timetz_encode` method. + return time.replace(tzinfo=datetime.timezone(timedelta(minutes=-offset))) + + +cdef timetz_decode_tuple(CodecContext settings, FRBuffer *buf): + cdef: + int64_t microseconds = hton.unpack_int64(frb_read(buf, 8)) + int32_t offset_sec = hton.unpack_int32(frb_read(buf, 4)) + + return (microseconds, offset_sec) + + +cdef interval_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + int32_t days = cpython.PyLong_AsLong(obj.days) + int64_t seconds = cpython.PyLong_AsLongLong(obj.seconds) + int32_t microseconds = cpython.PyLong_AsLong(obj.microseconds) + + buf.write_int32(16) + _encode_time(buf, seconds, microseconds) + buf.write_int32(days) + buf.write_int32(0) # Months + + +cdef interval_encode_tuple(CodecContext settings, WriteBuffer buf, + tuple obj): + cdef: + int32_t months + int32_t days + int64_t microseconds + + if len(obj) != 3: + raise ValueError( + 'interval tuple encoder: expecting 3 elements ' + 'in tuple, got {}'.format(len(obj))) + + months = obj[0] + days = obj[1] + microseconds = obj[2] + + buf.write_int32(16) + buf.write_int64(microseconds) + buf.write_int32(days) + buf.write_int32(months) + + +cdef interval_decode(CodecContext settings, FRBuffer *buf): + cdef: + int32_t days + int32_t months + int32_t years + int64_t seconds = 0 + int32_t microseconds = 0 + + _decode_time(buf, &seconds, µseconds) + + days = hton.unpack_int32(frb_read(buf, 4)) + months = hton.unpack_int32(frb_read(buf, 4)) + + if months < 0: + years = -(-months // 12) + months = -(-months % 12) + else: + years = (months // 12) + months = (months % 12) + + return datetime.timedelta(days=days + months * 30 + years * 365, + seconds=seconds, microseconds=microseconds) + + +cdef interval_decode_tuple(CodecContext settings, FRBuffer *buf): + cdef: + int32_t days + int32_t months + int64_t microseconds + + microseconds = hton.unpack_int64(frb_read(buf, 8)) + days = hton.unpack_int32(frb_read(buf, 4)) + months = hton.unpack_int32(frb_read(buf, 4)) + + return (months, days, microseconds) diff --git a/asyncpg/pgproto/codecs/float.pyx b/asyncpg/pgproto/codecs/float.pyx new file mode 100644 index 0000000..94eda03 --- /dev/null +++ b/asyncpg/pgproto/codecs/float.pyx @@ -0,0 +1,34 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from libc cimport math + + +cdef float4_encode(CodecContext settings, WriteBuffer buf, obj): + cdef double dval = cpython.PyFloat_AsDouble(obj) + cdef float fval = dval + if math.isinf(fval) and not math.isinf(dval): + raise ValueError('value out of float32 range') + + buf.write_int32(4) + buf.write_float(fval) + + +cdef float4_decode(CodecContext settings, FRBuffer *buf): + cdef float f = hton.unpack_float(frb_read(buf, 4)) + return cpython.PyFloat_FromDouble(f) + + +cdef float8_encode(CodecContext settings, WriteBuffer buf, obj): + cdef double dval = cpython.PyFloat_AsDouble(obj) + buf.write_int32(8) + buf.write_double(dval) + + +cdef float8_decode(CodecContext settings, FRBuffer *buf): + cdef double f = hton.unpack_double(frb_read(buf, 8)) + return cpython.PyFloat_FromDouble(f) diff --git a/asyncpg/pgproto/codecs/geometry.pyx b/asyncpg/pgproto/codecs/geometry.pyx new file mode 100644 index 0000000..44aac64 --- /dev/null +++ b/asyncpg/pgproto/codecs/geometry.pyx @@ -0,0 +1,164 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef inline _encode_points(WriteBuffer wbuf, object points): + cdef object point + + for point in points: + wbuf.write_double(point[0]) + wbuf.write_double(point[1]) + + +cdef inline _decode_points(FRBuffer *buf): + cdef: + int32_t npts = hton.unpack_int32(frb_read(buf, 4)) + pts = cpython.PyTuple_New(npts) + int32_t i + object point + double x + double y + + for i in range(npts): + x = hton.unpack_double(frb_read(buf, 8)) + y = hton.unpack_double(frb_read(buf, 8)) + point = pgproto_types.Point(x, y) + cpython.Py_INCREF(point) + cpython.PyTuple_SET_ITEM(pts, i, point) + + return pts + + +cdef box_encode(CodecContext settings, WriteBuffer wbuf, obj): + wbuf.write_int32(32) + _encode_points(wbuf, (obj[0], obj[1])) + + +cdef box_decode(CodecContext settings, FRBuffer *buf): + cdef: + double high_x = hton.unpack_double(frb_read(buf, 8)) + double high_y = hton.unpack_double(frb_read(buf, 8)) + double low_x = hton.unpack_double(frb_read(buf, 8)) + double low_y = hton.unpack_double(frb_read(buf, 8)) + + return pgproto_types.Box( + pgproto_types.Point(high_x, high_y), + pgproto_types.Point(low_x, low_y)) + + +cdef line_encode(CodecContext settings, WriteBuffer wbuf, obj): + wbuf.write_int32(24) + wbuf.write_double(obj[0]) + wbuf.write_double(obj[1]) + wbuf.write_double(obj[2]) + + +cdef line_decode(CodecContext settings, FRBuffer *buf): + cdef: + double A = hton.unpack_double(frb_read(buf, 8)) + double B = hton.unpack_double(frb_read(buf, 8)) + double C = hton.unpack_double(frb_read(buf, 8)) + + return pgproto_types.Line(A, B, C) + + +cdef lseg_encode(CodecContext settings, WriteBuffer wbuf, obj): + wbuf.write_int32(32) + _encode_points(wbuf, (obj[0], obj[1])) + + +cdef lseg_decode(CodecContext settings, FRBuffer *buf): + cdef: + double p1_x = hton.unpack_double(frb_read(buf, 8)) + double p1_y = hton.unpack_double(frb_read(buf, 8)) + double p2_x = hton.unpack_double(frb_read(buf, 8)) + double p2_y = hton.unpack_double(frb_read(buf, 8)) + + return pgproto_types.LineSegment((p1_x, p1_y), (p2_x, p2_y)) + + +cdef point_encode(CodecContext settings, WriteBuffer wbuf, obj): + wbuf.write_int32(16) + wbuf.write_double(obj[0]) + wbuf.write_double(obj[1]) + + +cdef point_decode(CodecContext settings, FRBuffer *buf): + cdef: + double x = hton.unpack_double(frb_read(buf, 8)) + double y = hton.unpack_double(frb_read(buf, 8)) + + return pgproto_types.Point(x, y) + + +cdef path_encode(CodecContext settings, WriteBuffer wbuf, obj): + cdef: + int8_t is_closed = 0 + ssize_t npts + ssize_t encoded_len + int32_t i + + if cpython.PyTuple_Check(obj): + is_closed = 1 + elif cpython.PyList_Check(obj): + is_closed = 0 + elif isinstance(obj, pgproto_types.Path): + is_closed = obj.is_closed + + npts = len(obj) + encoded_len = 1 + 4 + 16 * npts + if encoded_len > _MAXINT32: + raise ValueError('path value too long') + + wbuf.write_int32(encoded_len) + wbuf.write_byte(is_closed) + wbuf.write_int32(npts) + + _encode_points(wbuf, obj) + + +cdef path_decode(CodecContext settings, FRBuffer *buf): + cdef: + int8_t is_closed = (frb_read(buf, 1)[0]) + + return pgproto_types.Path(*_decode_points(buf), is_closed=is_closed == 1) + + +cdef poly_encode(CodecContext settings, WriteBuffer wbuf, obj): + cdef: + bint is_closed + ssize_t npts + ssize_t encoded_len + int32_t i + + npts = len(obj) + encoded_len = 4 + 16 * npts + if encoded_len > _MAXINT32: + raise ValueError('polygon value too long') + + wbuf.write_int32(encoded_len) + wbuf.write_int32(npts) + _encode_points(wbuf, obj) + + +cdef poly_decode(CodecContext settings, FRBuffer *buf): + return pgproto_types.Polygon(*_decode_points(buf)) + + +cdef circle_encode(CodecContext settings, WriteBuffer wbuf, obj): + wbuf.write_int32(24) + wbuf.write_double(obj[0][0]) + wbuf.write_double(obj[0][1]) + wbuf.write_double(obj[1]) + + +cdef circle_decode(CodecContext settings, FRBuffer *buf): + cdef: + double center_x = hton.unpack_double(frb_read(buf, 8)) + double center_y = hton.unpack_double(frb_read(buf, 8)) + double radius = hton.unpack_double(frb_read(buf, 8)) + + return pgproto_types.Circle((center_x, center_y), radius) diff --git a/asyncpg/pgproto/codecs/hstore.pyx b/asyncpg/pgproto/codecs/hstore.pyx new file mode 100644 index 0000000..09051c7 --- /dev/null +++ b/asyncpg/pgproto/codecs/hstore.pyx @@ -0,0 +1,73 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef hstore_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + ssize_t count + object items + WriteBuffer item_buf = WriteBuffer.new() + + count = len(obj) + if count > _MAXINT32: + raise ValueError('hstore value is too large') + item_buf.write_int32(count) + + if hasattr(obj, 'items'): + items = obj.items() + else: + items = obj + + for k, v in items: + if k is None: + raise ValueError('null value not allowed in hstore key') + as_pg_string_and_size(settings, k, &str, &size) + item_buf.write_int32(size) + item_buf.write_cstr(str, size) + if v is None: + item_buf.write_int32(-1) + else: + as_pg_string_and_size(settings, v, &str, &size) + item_buf.write_int32(size) + item_buf.write_cstr(str, size) + + buf.write_int32(item_buf.len()) + buf.write_buffer(item_buf) + + +cdef hstore_decode(CodecContext settings, FRBuffer *buf): + cdef: + dict result + uint32_t elem_count + int32_t elem_len + uint32_t i + str k + str v + + result = {} + + elem_count = hton.unpack_int32(frb_read(buf, 4)) + if elem_count == 0: + return result + + for i in range(elem_count): + elem_len = hton.unpack_int32(frb_read(buf, 4)) + if elem_len < 0: + raise ValueError('null value not allowed in hstore key') + + k = decode_pg_string(settings, frb_read(buf, elem_len), elem_len) + + elem_len = hton.unpack_int32(frb_read(buf, 4)) + if elem_len < 0: + v = None + else: + v = decode_pg_string(settings, frb_read(buf, elem_len), elem_len) + + result[k] = v + + return result diff --git a/asyncpg/pgproto/codecs/int.pyx b/asyncpg/pgproto/codecs/int.pyx new file mode 100644 index 0000000..573af74 --- /dev/null +++ b/asyncpg/pgproto/codecs/int.pyx @@ -0,0 +1,118 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef bool_encode(CodecContext settings, WriteBuffer buf, obj): + if not cpython.PyBool_Check(obj): + raise TypeError('a boolean is required (got type {})'.format( + type(obj).__name__)) + + buf.write_int32(1) + buf.write_byte(b'\x01' if obj is True else b'\x00') + + +cdef bool_decode(CodecContext settings, FRBuffer *buf): + return frb_read(buf, 1)[0] is b'\x01' + + +cdef int2_encode(CodecContext settings, WriteBuffer buf, obj): + cdef int overflow = 0 + cdef long val + + try: + if type(obj) is not int and hasattr(type(obj), '__int__'): + # Silence a Python warning about implicit __int__ + # conversion. + obj = int(obj) + val = cpython.PyLong_AsLong(obj) + except OverflowError: + overflow = 1 + + if overflow or val < INT16_MIN or val > INT16_MAX: + raise OverflowError('value out of int16 range') + + buf.write_int32(2) + buf.write_int16(val) + + +cdef int2_decode(CodecContext settings, FRBuffer *buf): + return cpython.PyLong_FromLong(hton.unpack_int16(frb_read(buf, 2))) + + +cdef int4_encode(CodecContext settings, WriteBuffer buf, obj): + cdef int overflow = 0 + cdef long val = 0 + + try: + if type(obj) is not int and hasattr(type(obj), '__int__'): + # Silence a Python warning about implicit __int__ + # conversion. + obj = int(obj) + val = cpython.PyLong_AsLong(obj) + except OverflowError: + overflow = 1 + + # "long" and "long long" have the same size for x86_64, need an extra check + if overflow or (sizeof(val) > 4 and (val < INT32_MIN or val > INT32_MAX)): + raise OverflowError('value out of int32 range') + + buf.write_int32(4) + buf.write_int32(val) + + +cdef int4_decode(CodecContext settings, FRBuffer *buf): + return cpython.PyLong_FromLong(hton.unpack_int32(frb_read(buf, 4))) + + +cdef uint4_encode(CodecContext settings, WriteBuffer buf, obj): + cdef int overflow = 0 + cdef unsigned long val = 0 + + try: + if type(obj) is not int and hasattr(type(obj), '__int__'): + # Silence a Python warning about implicit __int__ + # conversion. + obj = int(obj) + val = cpython.PyLong_AsUnsignedLong(obj) + except OverflowError: + overflow = 1 + + # "long" and "long long" have the same size for x86_64, need an extra check + if overflow or (sizeof(val) > 4 and val > UINT32_MAX): + raise OverflowError('value out of uint32 range') + + buf.write_int32(4) + buf.write_int32(val) + + +cdef uint4_decode(CodecContext settings, FRBuffer *buf): + return cpython.PyLong_FromUnsignedLong( + hton.unpack_int32(frb_read(buf, 4))) + + +cdef int8_encode(CodecContext settings, WriteBuffer buf, obj): + cdef int overflow = 0 + cdef long long val + + try: + if type(obj) is not int and hasattr(type(obj), '__int__'): + # Silence a Python warning about implicit __int__ + # conversion. + obj = int(obj) + val = cpython.PyLong_AsLongLong(obj) + except OverflowError: + overflow = 1 + + # Just in case for systems with "long long" bigger than 8 bytes + if overflow or (sizeof(val) > 8 and (val < INT64_MIN or val > INT64_MAX)): + raise OverflowError('value out of int64 range') + + buf.write_int32(8) + buf.write_int64(val) + + +cdef int8_decode(CodecContext settings, FRBuffer *buf): + return cpython.PyLong_FromLongLong(hton.unpack_int64(frb_read(buf, 8))) diff --git a/asyncpg/pgproto/codecs/json.pyx b/asyncpg/pgproto/codecs/json.pyx new file mode 100644 index 0000000..d1b50a0 --- /dev/null +++ b/asyncpg/pgproto/codecs/json.pyx @@ -0,0 +1,29 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef jsonb_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + + as_pg_string_and_size(settings, obj, &str, &size) + + if size > 0x7fffffff - 1: + raise ValueError('string too long') + + buf.write_int32(size + 1) + buf.write_byte(1) # JSONB format version + buf.write_cstr(str, size) + + +cdef jsonb_decode(CodecContext settings, FRBuffer *buf): + cdef uint8_t format = (frb_read(buf, 1)[0]) + + if format != 1: + raise ValueError('unexpected JSONB format: {}'.format(format)) + + return text_decode(settings, buf) diff --git a/asyncpg/pgproto/codecs/misc.pyx b/asyncpg/pgproto/codecs/misc.pyx new file mode 100644 index 0000000..99b19c9 --- /dev/null +++ b/asyncpg/pgproto/codecs/misc.pyx @@ -0,0 +1,16 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef void_encode(CodecContext settings, WriteBuffer buf, obj): + # Void is zero bytes + buf.write_int32(0) + + +cdef void_decode(CodecContext settings, FRBuffer *buf): + # Do nothing; void will be passed as NULL so this function + # will never be called. + pass diff --git a/asyncpg/pgproto/codecs/network.pyx b/asyncpg/pgproto/codecs/network.pyx new file mode 100644 index 0000000..730c947 --- /dev/null +++ b/asyncpg/pgproto/codecs/network.pyx @@ -0,0 +1,139 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import ipaddress + + +# defined in postgresql/src/include/inet.h +# +DEF PGSQL_AF_INET = 2 # AF_INET +DEF PGSQL_AF_INET6 = 3 # AF_INET + 1 + + +_ipaddr = ipaddress.ip_address +_ipiface = ipaddress.ip_interface +_ipnet = ipaddress.ip_network + + +cdef inline uint8_t _ip_max_prefix_len(int32_t family): + # Maximum number of bits in the network prefix of the specified + # IP protocol version. + if family == PGSQL_AF_INET: + return 32 + else: + return 128 + + +cdef inline int32_t _ip_addr_len(int32_t family): + # Length of address in bytes for the specified IP protocol version. + if family == PGSQL_AF_INET: + return 4 + else: + return 16 + + +cdef inline int8_t _ver_to_family(int32_t version): + if version == 4: + return PGSQL_AF_INET + else: + return PGSQL_AF_INET6 + + +cdef inline _net_encode(WriteBuffer buf, int8_t family, uint32_t bits, + int8_t is_cidr, bytes addr): + + cdef: + char *addrbytes + ssize_t addrlen + + cpython.PyBytes_AsStringAndSize(addr, &addrbytes, &addrlen) + + buf.write_int32(4 + addrlen) + buf.write_byte(family) + buf.write_byte(bits) + buf.write_byte(is_cidr) + buf.write_byte(addrlen) + buf.write_cstr(addrbytes, addrlen) + + +cdef net_decode(CodecContext settings, FRBuffer *buf, bint as_cidr): + cdef: + int32_t family = frb_read(buf, 1)[0] + uint8_t bits = frb_read(buf, 1)[0] + int prefix_len + int32_t is_cidr = frb_read(buf, 1)[0] + int32_t addrlen = frb_read(buf, 1)[0] + bytes addr + uint8_t max_prefix_len = _ip_max_prefix_len(family) + + if is_cidr != as_cidr: + raise ValueError('unexpected CIDR flag set in non-cidr value') + + if family != PGSQL_AF_INET and family != PGSQL_AF_INET6: + raise ValueError('invalid address family in "{}" value'.format( + 'cidr' if is_cidr else 'inet' + )) + + max_prefix_len = _ip_max_prefix_len(family) + + if bits > max_prefix_len: + raise ValueError('invalid network prefix length in "{}" value'.format( + 'cidr' if is_cidr else 'inet' + )) + + if addrlen != _ip_addr_len(family): + raise ValueError('invalid address length in "{}" value'.format( + 'cidr' if is_cidr else 'inet' + )) + + addr = cpython.PyBytes_FromStringAndSize(frb_read(buf, addrlen), addrlen) + + if as_cidr or bits != max_prefix_len: + prefix_len = cpython.PyLong_FromLong(bits) + + if as_cidr: + return _ipnet((addr, prefix_len)) + else: + return _ipiface((addr, prefix_len)) + else: + return _ipaddr(addr) + + +cdef cidr_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + object ipnet + int8_t family + + ipnet = _ipnet(obj) + family = _ver_to_family(ipnet.version) + _net_encode(buf, family, ipnet.prefixlen, 1, ipnet.network_address.packed) + + +cdef cidr_decode(CodecContext settings, FRBuffer *buf): + return net_decode(settings, buf, True) + + +cdef inet_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + object ipaddr + int8_t family + + try: + ipaddr = _ipaddr(obj) + except ValueError: + # PostgreSQL accepts *both* CIDR and host values + # for the host datatype. + ipaddr = _ipiface(obj) + family = _ver_to_family(ipaddr.version) + _net_encode(buf, family, ipaddr.network.prefixlen, 1, ipaddr.packed) + else: + family = _ver_to_family(ipaddr.version) + _net_encode(buf, family, _ip_max_prefix_len(family), 0, ipaddr.packed) + + +cdef inet_decode(CodecContext settings, FRBuffer *buf): + return net_decode(settings, buf, False) diff --git a/asyncpg/pgproto/codecs/numeric.pyx b/asyncpg/pgproto/codecs/numeric.pyx new file mode 100644 index 0000000..16b0083 --- /dev/null +++ b/asyncpg/pgproto/codecs/numeric.pyx @@ -0,0 +1,341 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from libc.math cimport abs, log10 +from libc.stdio cimport snprintf + +import decimal + +# defined in postgresql/src/backend/utils/adt/numeric.c +DEF DEC_DIGITS = 4 +DEF MAX_DSCALE = 0x3FFF +DEF NUMERIC_POS = 0x0000 +DEF NUMERIC_NEG = 0x4000 +DEF NUMERIC_NAN = 0xC000 + +_Dec = decimal.Decimal + + +cdef numeric_encode_text(CodecContext settings, WriteBuffer buf, obj): + text_encode(settings, buf, str(obj)) + + +cdef numeric_decode_text(CodecContext settings, FRBuffer *buf): + return _Dec(text_decode(settings, buf)) + + +cdef numeric_encode_binary(CodecContext settings, WriteBuffer buf, obj): + cdef: + object dec + object dt + int64_t exponent + int64_t i + int64_t j + tuple pydigits + int64_t num_pydigits + int16_t pgdigit + int64_t num_pgdigits + int16_t dscale + int64_t dweight + int64_t weight + uint16_t sign + int64_t padding_size = 0 + + if isinstance(obj, _Dec): + dec = obj + else: + dec = _Dec(obj) + + dt = dec.as_tuple() + if dt.exponent == 'F': + raise ValueError('numeric type does not support infinite values') + + if dt.exponent == 'n' or dt.exponent == 'N': + # NaN + sign = NUMERIC_NAN + num_pgdigits = 0 + weight = 0 + dscale = 0 + else: + exponent = dt.exponent + if exponent < 0 and -exponent > MAX_DSCALE: + raise ValueError( + 'cannot encode Decimal value into numeric: ' + 'exponent is too small') + + if dt.sign: + sign = NUMERIC_NEG + else: + sign = NUMERIC_POS + + pydigits = dt.digits + num_pydigits = len(pydigits) + + dweight = num_pydigits + exponent - 1 + if dweight >= 0: + weight = (dweight + DEC_DIGITS) // DEC_DIGITS - 1 + else: + weight = -((-dweight - 1) // DEC_DIGITS + 1) + + if weight > 2 ** 16 - 1: + raise ValueError( + 'cannot encode Decimal value into numeric: ' + 'exponent is too large') + + padding_size = \ + (weight + 1) * DEC_DIGITS - (dweight + 1) + num_pgdigits = \ + (num_pydigits + padding_size + DEC_DIGITS - 1) // DEC_DIGITS + + if num_pgdigits > 2 ** 16 - 1: + raise ValueError( + 'cannot encode Decimal value into numeric: ' + 'number of digits is too large') + + # Pad decimal digits to provide room for correct Postgres + # digit alignment in the digit computation loop. + pydigits = (0,) * DEC_DIGITS + pydigits + (0,) * DEC_DIGITS + + if exponent < 0: + if -exponent > MAX_DSCALE: + raise ValueError( + 'cannot encode Decimal value into numeric: ' + 'exponent is too small') + dscale = -exponent + else: + dscale = 0 + + buf.write_int32(2 + 2 + 2 + 2 + 2 * num_pgdigits) + buf.write_int16(num_pgdigits) + buf.write_int16(weight) + buf.write_int16(sign) + buf.write_int16(dscale) + + j = DEC_DIGITS - padding_size + + for i in range(num_pgdigits): + pgdigit = (pydigits[j] * 1000 + pydigits[j + 1] * 100 + + pydigits[j + 2] * 10 + pydigits[j + 3]) + j += DEC_DIGITS + buf.write_int16(pgdigit) + + +# The decoding strategy here is to form a string representation of +# the numeric var, as it is faster than passing an iterable of digits. +# For this reason the below code is pure overhead and is ~25% slower +# than the simple text decoder above. That said, we need the binary +# decoder to support binary COPY with numeric values. +cdef numeric_decode_binary_ex( + CodecContext settings, + FRBuffer *buf, + bint trail_fract_zero, +): + cdef: + uint16_t num_pgdigits = hton.unpack_int16(frb_read(buf, 2)) + int16_t weight = hton.unpack_int16(frb_read(buf, 2)) + uint16_t sign = hton.unpack_int16(frb_read(buf, 2)) + uint16_t dscale = hton.unpack_int16(frb_read(buf, 2)) + int16_t pgdigit0 + ssize_t i + int16_t pgdigit + object pydigits + ssize_t num_pydigits + ssize_t actual_num_pydigits + ssize_t buf_size + int64_t exponent + int64_t abs_exponent + ssize_t exponent_chars + ssize_t front_padding = 0 + ssize_t num_fract_digits + ssize_t trailing_fract_zeros_adj + char smallbuf[_NUMERIC_DECODER_SMALLBUF_SIZE] + char *charbuf + char *bufptr + bint buf_allocated = False + + if sign == NUMERIC_NAN: + # Not-a-number + return _Dec('NaN') + + if num_pgdigits == 0: + # Zero + return _Dec('0e-' + str(dscale)) + + pgdigit0 = hton.unpack_int16(frb_read(buf, 2)) + if weight >= 0: + if pgdigit0 < 10: + front_padding = 3 + elif pgdigit0 < 100: + front_padding = 2 + elif pgdigit0 < 1000: + front_padding = 1 + + # The number of fractional decimal digits actually encoded in + # base-DEC_DEIGITS digits sent by Postgres. + num_fract_digits = (num_pgdigits - weight - 1) * DEC_DIGITS + + # The trailing zero adjustment necessary to obtain exactly + # dscale number of fractional digits in output. May be negative, + # which indicates that trailing zeros in the last input digit + # should be discarded. + trailing_fract_zeros_adj = dscale - num_fract_digits + + # Maximum possible number of decimal digits in base 10. + # The actual number might be up to 3 digits smaller due to + # leading zeros in first input digit. + num_pydigits = num_pgdigits * DEC_DIGITS + if trailing_fract_zeros_adj > 0: + num_pydigits += trailing_fract_zeros_adj + + # Exponent. + exponent = (weight + 1) * DEC_DIGITS - front_padding + abs_exponent = abs(exponent) + if abs_exponent != 0: + # Number of characters required to render absolute exponent value + # in decimal. + exponent_chars = log10(abs_exponent) + 1 + else: + exponent_chars = 0 + + # Output buffer size. + buf_size = ( + 1 + # sign + 1 + # leading zero + 1 + # decimal dot + num_pydigits + # digits + 1 + # possible trailing zero padding + 2 + # exponent indicator (E-,E+) + exponent_chars + # exponent + 1 # null terminator char + ) + + if buf_size > _NUMERIC_DECODER_SMALLBUF_SIZE: + charbuf = cpython.PyMem_Malloc(buf_size) + buf_allocated = True + else: + charbuf = smallbuf + + try: + bufptr = charbuf + + if sign == NUMERIC_NEG: + bufptr[0] = b'-' + bufptr += 1 + + bufptr[0] = b'0' + bufptr[1] = b'.' + bufptr += 2 + + if weight >= 0: + bufptr = _unpack_digit_stripping_lzeros(bufptr, pgdigit0) + else: + bufptr = _unpack_digit(bufptr, pgdigit0) + + for i in range(1, num_pgdigits): + pgdigit = hton.unpack_int16(frb_read(buf, 2)) + bufptr = _unpack_digit(bufptr, pgdigit) + + if dscale: + if trailing_fract_zeros_adj > 0: + for i in range(trailing_fract_zeros_adj): + bufptr[i] = b'0' + + # If display scale is _less_ than the number of rendered digits, + # trailing_fract_zeros_adj will be negative and this will strip + # the excess trailing zeros. + bufptr += trailing_fract_zeros_adj + + if trail_fract_zero: + # Check if the number of rendered digits matches the exponent, + # and if so, add another trailing zero, so the result always + # appears with a decimal point. + actual_num_pydigits = bufptr - charbuf - 2 + if sign == NUMERIC_NEG: + actual_num_pydigits -= 1 + + if actual_num_pydigits == abs_exponent: + bufptr[0] = b'0' + bufptr += 1 + + if exponent != 0: + bufptr[0] = b'E' + if exponent < 0: + bufptr[1] = b'-' + else: + bufptr[1] = b'+' + bufptr += 2 + snprintf(bufptr, exponent_chars + 1, '%d', + abs_exponent) + bufptr += exponent_chars + + bufptr[0] = 0 + + pydigits = cpythonx.PyUnicode_FromString(charbuf) + + return _Dec(pydigits) + + finally: + if buf_allocated: + cpython.PyMem_Free(charbuf) + + +cdef numeric_decode_binary(CodecContext settings, FRBuffer *buf): + return numeric_decode_binary_ex(settings, buf, False) + + +cdef inline char *_unpack_digit_stripping_lzeros(char *buf, int64_t pgdigit): + cdef: + int64_t d + bint significant + + d = pgdigit // 1000 + significant = (d > 0) + if significant: + pgdigit -= d * 1000 + buf[0] = (d + b'0') + buf += 1 + + d = pgdigit // 100 + significant |= (d > 0) + if significant: + pgdigit -= d * 100 + buf[0] = (d + b'0') + buf += 1 + + d = pgdigit // 10 + significant |= (d > 0) + if significant: + pgdigit -= d * 10 + buf[0] = (d + b'0') + buf += 1 + + buf[0] = (pgdigit + b'0') + buf += 1 + + return buf + + +cdef inline char *_unpack_digit(char *buf, int64_t pgdigit): + cdef: + int64_t d + + d = pgdigit // 1000 + pgdigit -= d * 1000 + buf[0] = (d + b'0') + + d = pgdigit // 100 + pgdigit -= d * 100 + buf[1] = (d + b'0') + + d = pgdigit // 10 + pgdigit -= d * 10 + buf[2] = (d + b'0') + + buf[3] = (pgdigit + b'0') + buf += 4 + + return buf diff --git a/asyncpg/pgproto/codecs/text.pyx b/asyncpg/pgproto/codecs/text.pyx new file mode 100644 index 0000000..17b5d25 --- /dev/null +++ b/asyncpg/pgproto/codecs/text.pyx @@ -0,0 +1,48 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef inline as_pg_string_and_size( + CodecContext settings, obj, char **cstr, ssize_t *size): + + if not cpython.PyUnicode_Check(obj): + raise TypeError('expected str, got {}'.format(type(obj).__name__)) + + if settings.is_encoding_utf8(): + cstr[0] = cpythonx.PyUnicode_AsUTF8AndSize(obj, size) + else: + encoded = settings.get_text_codec().encode(obj) + cpython.PyBytes_AsStringAndSize(encoded, cstr, size) + + if size[0] > 0x7fffffff: + raise ValueError('string too long') + + +cdef text_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + + as_pg_string_and_size(settings, obj, &str, &size) + + buf.write_int32(size) + buf.write_cstr(str, size) + + +cdef inline decode_pg_string(CodecContext settings, const char* data, + ssize_t len): + + if settings.is_encoding_utf8(): + # decode UTF-8 in strict mode + return cpython.PyUnicode_DecodeUTF8(data, len, NULL) + else: + bytes = cpython.PyBytes_FromStringAndSize(data, len) + return settings.get_text_codec().decode(bytes) + + +cdef text_decode(CodecContext settings, FRBuffer *buf): + cdef ssize_t buf_len = buf.len + return decode_pg_string(settings, frb_read_all(buf), buf_len) diff --git a/asyncpg/pgproto/codecs/tid.pyx b/asyncpg/pgproto/codecs/tid.pyx new file mode 100644 index 0000000..b39bddc --- /dev/null +++ b/asyncpg/pgproto/codecs/tid.pyx @@ -0,0 +1,51 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef tid_encode(CodecContext settings, WriteBuffer buf, obj): + cdef int overflow = 0 + cdef unsigned long block, offset + + if not (cpython.PyTuple_Check(obj) or cpython.PyList_Check(obj)): + raise TypeError( + 'list or tuple expected (got type {})'.format(type(obj))) + + if len(obj) != 2: + raise ValueError( + 'invalid number of elements in tid tuple, expecting 2') + + try: + block = cpython.PyLong_AsUnsignedLong(obj[0]) + except OverflowError: + overflow = 1 + + # "long" and "long long" have the same size for x86_64, need an extra check + if overflow or (sizeof(block) > 4 and block > UINT32_MAX): + raise OverflowError('tuple id block value out of uint32 range') + + try: + offset = cpython.PyLong_AsUnsignedLong(obj[1]) + overflow = 0 + except OverflowError: + overflow = 1 + + if overflow or offset > 65535: + raise OverflowError('tuple id offset value out of uint16 range') + + buf.write_int32(6) + buf.write_int32(block) + buf.write_int16(offset) + + +cdef tid_decode(CodecContext settings, FRBuffer *buf): + cdef: + uint32_t block + uint16_t offset + + block = hton.unpack_int32(frb_read(buf, 4)) + offset = hton.unpack_int16(frb_read(buf, 2)) + + return (block, offset) diff --git a/asyncpg/pgproto/codecs/txid.pyx b/asyncpg/pgproto/codecs/txid.pyx new file mode 100644 index 0000000..a51c330 --- /dev/null +++ b/asyncpg/pgproto/codecs/txid.pyx @@ -0,0 +1,61 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef txid_snapshot_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + ssize_t nxip + int64_t xmin + int64_t xmax + int i + WriteBuffer xip_buf = WriteBuffer.new() + + if not (cpython.PyTuple_Check(obj) or cpython.PyList_Check(obj)): + raise TypeError( + 'list or tuple expected (got type {})'.format(type(obj))) + + if len(obj) != 3: + raise ValueError( + 'invalid number of elements in txid_snapshot tuple, expecting 4') + + nxip = len(obj[2]) + if nxip > _MAXINT32: + raise ValueError('txid_snapshot value is too long') + + xmin = obj[0] + xmax = obj[1] + + for i in range(nxip): + xip_buf.write_int64(obj[2][i]) + + buf.write_int32(20 + xip_buf.len()) + + buf.write_int32(nxip) + buf.write_int64(obj[0]) + buf.write_int64(obj[1]) + buf.write_buffer(xip_buf) + + +cdef txid_snapshot_decode(CodecContext settings, FRBuffer *buf): + cdef: + int32_t nxip + int64_t xmin + int64_t xmax + tuple xip_tup + int32_t i + object xip + + nxip = hton.unpack_int32(frb_read(buf, 4)) + xmin = hton.unpack_int64(frb_read(buf, 8)) + xmax = hton.unpack_int64(frb_read(buf, 8)) + + xip_tup = cpython.PyTuple_New(nxip) + for i in range(nxip): + xip = cpython.PyLong_FromLongLong(hton.unpack_int64(frb_read(buf, 8))) + cpython.Py_INCREF(xip) + cpython.PyTuple_SET_ITEM(xip_tup, i, xip) + + return (xmin, xmax, xip_tup) diff --git a/asyncpg/pgproto/codecs/uuid.pyx b/asyncpg/pgproto/codecs/uuid.pyx new file mode 100644 index 0000000..0bc4567 --- /dev/null +++ b/asyncpg/pgproto/codecs/uuid.pyx @@ -0,0 +1,27 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef uuid_encode(CodecContext settings, WriteBuffer wbuf, obj): + cdef: + char buf[16] + + if type(obj) is pg_UUID: + wbuf.write_int32(16) + wbuf.write_cstr((obj)._data, 16) + elif cpython.PyUnicode_Check(obj): + pg_uuid_bytes_from_str(obj, buf) + wbuf.write_int32(16) + wbuf.write_cstr(buf, 16) + else: + bytea_encode(settings, wbuf, obj.bytes) + + +cdef uuid_decode(CodecContext settings, FRBuffer *buf): + if buf.len != 16: + raise TypeError( + f'cannot decode UUID, expected 16 bytes, got {buf.len}') + return pg_uuid_from_buf(frb_read_all(buf)) diff --git a/asyncpg/pgproto/consts.pxi b/asyncpg/pgproto/consts.pxi new file mode 100644 index 0000000..dbce085 --- /dev/null +++ b/asyncpg/pgproto/consts.pxi @@ -0,0 +1,12 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +DEF _BUFFER_INITIAL_SIZE = 1024 +DEF _BUFFER_MAX_GROW = 65536 +DEF _BUFFER_FREELIST_SIZE = 256 +DEF _MAXINT32 = 2**31 - 1 +DEF _NUMERIC_DECODER_SMALLBUF_SIZE = 256 diff --git a/asyncpg/pgproto/cpythonx.pxd b/asyncpg/pgproto/cpythonx.pxd new file mode 100644 index 0000000..08e6550 --- /dev/null +++ b/asyncpg/pgproto/cpythonx.pxd @@ -0,0 +1,22 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from cpython cimport Py_buffer + +cdef extern from "Python.h": + int PyUnicode_1BYTE_KIND + + int PyByteArray_Resize(object, ssize_t) except -1 + object PyByteArray_FromStringAndSize(const char *, ssize_t) + char* PyByteArray_AsString(object) + + object PyUnicode_FromString(const char *u) + const char* PyUnicode_AsUTF8AndSize( + object unicode, ssize_t *size) except NULL + + object PyUnicode_FromKindAndData( + int kind, const void *buffer, Py_ssize_t size) diff --git a/asyncpg/pgproto/debug.h b/asyncpg/pgproto/debug.h new file mode 100644 index 0000000..946c10c --- /dev/null +++ b/asyncpg/pgproto/debug.h @@ -0,0 +1,3 @@ +#ifndef PG_DEBUG +#define PG_DEBUG 0 +#endif diff --git a/asyncpg/pgproto/debug.pxd b/asyncpg/pgproto/debug.pxd new file mode 100644 index 0000000..5e59ec1 --- /dev/null +++ b/asyncpg/pgproto/debug.pxd @@ -0,0 +1,10 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef extern from "debug.h": + + cdef int PG_DEBUG diff --git a/asyncpg/pgproto/exceptions.py b/asyncpg/pgproto/exceptions.py new file mode 100644 index 0000000..8bbab65 --- /dev/null +++ b/asyncpg/pgproto/exceptions.py @@ -0,0 +1,9 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +class BufferError(Exception): + pass diff --git a/asyncpg/pgproto/frb.pxd b/asyncpg/pgproto/frb.pxd new file mode 100644 index 0000000..1ae9561 --- /dev/null +++ b/asyncpg/pgproto/frb.pxd @@ -0,0 +1,49 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef: + + struct FRBuffer: + const char* buf + ssize_t len + + inline ssize_t frb_get_len(FRBuffer *frb): + return frb.len + + inline void frb_set_len(FRBuffer *frb, ssize_t new_len): + frb.len = new_len + + inline void frb_init(FRBuffer *frb, const char *buf, ssize_t len): + frb.buf = buf + frb.len = len + + inline const char* frb_read(FRBuffer *frb, ssize_t n) except NULL: + cdef const char *result + + if n > frb.len: + frb_check(frb, n) + + result = frb.buf + frb.buf += n + frb.len -= n + + return result + + inline const char* frb_read_all(FRBuffer *frb): + cdef const char *result + result = frb.buf + frb.buf += frb.len + frb.len = 0 + return result + + inline FRBuffer *frb_slice_from(FRBuffer *frb, + FRBuffer* source, ssize_t len): + frb.buf = frb_read(source, len) + frb.len = len + return frb + + object frb_check(FRBuffer *frb, ssize_t n) diff --git a/asyncpg/pgproto/frb.pyx b/asyncpg/pgproto/frb.pyx new file mode 100644 index 0000000..f11f6b9 --- /dev/null +++ b/asyncpg/pgproto/frb.pyx @@ -0,0 +1,12 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef object frb_check(FRBuffer *frb, ssize_t n): + if n > frb.len: + raise AssertionError( + f'insufficient data in buffer: requested {n} ' + f'remaining {frb.len}') diff --git a/asyncpg/pgproto/hton.h b/asyncpg/pgproto/hton.h new file mode 100644 index 0000000..6b00c5e --- /dev/null +++ b/asyncpg/pgproto/hton.h @@ -0,0 +1,241 @@ +#include + +#if defined(__linux__) || defined(__CYGWIN__) +#include +#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) \ + || defined(__DragonFly__) +#include +#elif defined(__APPLE__) +#include +#elif defined(_WIN32) || defined(_WIN64) || defined(__WINDOWS__) +/* Assume Windows is always LE. There seems to be no reliable way + to detect endianness there */ +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif + +#if defined(_BYTE_ORDER) && !defined(__BYTE_ORDER) +#define __BYTE_ORDER _BYTE_ORDER +#endif + +#if defined(BYTE_ORDER) && !defined(__BYTE_ORDER) +#define __BYTE_ORDER BYTE_ORDER +#endif + +#if defined(_LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#endif + +#if defined(LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#endif + +#if defined(_BIG_ENDIAN) && !defined(__BIG_ENDIAN) +#define __BIG_ENDIAN _BIG_ENDIAN +#endif + +#if defined(BIG_ENDIAN) && !defined(__BIG_ENDIAN) +#define __BIG_ENDIAN BIG_ENDIAN +#endif + +#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN) \ + || !defined(__BIG_ENDIAN) +#error Cannot determine platform byte order. +#endif + +#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) + +#define apg_bswap16(x) __builtin_bswap16(x) +#define apg_bswap32(x) __builtin_bswap32(x) +#define apg_bswap64(x) __builtin_bswap64(x) + +#elif defined(_MSC_VER) + +#define apg_bswap16(x) _byteswap_ushort(x) +#define apg_bswap32(x) _byteswap_ulong(x) +#define apg_bswap64(x) _byteswap_uint64(x) + +#else + +static inline uint16_t +apg_bswap16(uint16_t) +{ + return ((x << 8) & 0xff00) | (x >> 8) & 0x00ff)); +} + +static inline uint32_t +apg_bswap32(uint32_t x) +{ + return ( + ((x << 24) & 0xff000000) | ((x << 8) & 0x00ff0000) | + ((x >> 8) & 0x0000ff00) | ((x >> 24) & 0x000000ff) + ); +} + +static inline uint64_t +apg_bswap64(uint64_t x) +{ + return ( + ((x << 56) & 0xff00000000000000ULL) | + ((x << 40) & 0x00ff000000000000ULL) | + ((x << 24) & 0x0000ff0000000000ULL) | + ((x << 8) & 0x000000ff00000000ULL) | + ((x >> 8) & 0x00000000ff000000ULL) | + ((x >> 24) & 0x0000000000ff0000ULL) | + ((x >> 40) & 0x000000000000ff00ULL) | + ((x >> 56) & 0x00000000000000ffULL); + ); +} + +#endif + +#if __BYTE_ORDER == __BIG_ENDIAN + +#define apg_hton16(x) (x) +#define apg_hton32(x) (x) +#define apg_hton64(x) (x) + +#define apg_ntoh16(x) (x) +#define apg_ntoh32(x) (x) +#define apg_ntoh64(x) (x) + +#elif __BYTE_ORDER == __LITTLE_ENDIAN + +#define apg_hton16(x) apg_bswap16(x) +#define apg_hton32(x) apg_bswap32(x) +#define apg_hton64(x) apg_bswap64(x) + +#define apg_ntoh16(x) apg_bswap16(x) +#define apg_ntoh32(x) apg_bswap32(x) +#define apg_ntoh64(x) apg_bswap64(x) + +#else + +#error Unsupported byte order. + +#endif + + +static inline void +pack_int16(char *buf, int16_t x) +{ + uint16_t nx = apg_hton16((uint16_t)x); + /* NOTE: the memcpy below is _important_ to support systems + which disallow unaligned access. On systems, which do + allow unaligned access it will be optimized away by the + compiler + */ + memcpy(buf, &nx, sizeof(uint16_t)); +} + + +static inline void +pack_int32(char *buf, int64_t x) +{ + uint32_t nx = apg_hton32((uint32_t)x); + memcpy(buf, &nx, sizeof(uint32_t)); +} + + +static inline void +pack_int64(char *buf, int64_t x) +{ + uint64_t nx = apg_hton64((uint64_t)x); + memcpy(buf, &nx, sizeof(uint64_t)); +} + + + +static inline uint16_t +unpack_uint16(const char *buf) +{ + uint16_t nx; + memcpy((char *)&nx, buf, sizeof(uint16_t)); + return apg_ntoh16(nx); +} + + +static inline int16_t +unpack_int16(const char *buf) +{ + return (int16_t)unpack_uint16(buf); +} + + +static inline uint32_t +unpack_uint32(const char *buf) +{ + uint32_t nx; + memcpy((char *)&nx, buf, sizeof(uint32_t)); + return apg_ntoh32(nx); +} + + +static inline int32_t +unpack_int32(const char *buf) +{ + return (int32_t)unpack_uint32(buf); +} + +static inline uint64_t +unpack_uint64(const char *buf) +{ + uint64_t nx; + memcpy((char *)&nx, buf, sizeof(uint64_t)); + return apg_ntoh64(nx); +} + +static inline int64_t +unpack_int64(const char *buf) +{ + return (int64_t)unpack_uint64(buf); +} + + +union _apg_floatconv { + uint32_t i; + float f; +}; + + +union _apg_doubleconv { + uint64_t i; + double f; +}; + + +static inline void +pack_float(char *buf, float f) +{ + union _apg_floatconv v; + v.f = f; + pack_int32(buf, (int32_t)v.i); +} + + +static inline void +pack_double(char *buf, double f) +{ + union _apg_doubleconv v; + v.f = f; + pack_int64(buf, (int64_t)v.i); +} + + +static inline float +unpack_float(const char *buf) +{ + union _apg_floatconv v; + v.i = (uint32_t)unpack_int32(buf); + return v.f; +} + + +static inline double +unpack_double(const char *buf) +{ + union _apg_doubleconv v; + v.i = (uint64_t)unpack_int64(buf); + return v.f; +} diff --git a/asyncpg/pgproto/hton.pxd b/asyncpg/pgproto/hton.pxd new file mode 100644 index 0000000..9b73abc --- /dev/null +++ b/asyncpg/pgproto/hton.pxd @@ -0,0 +1,24 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from libc.stdint cimport int16_t, int32_t, uint16_t, uint32_t, int64_t, uint64_t + + +cdef extern from "./hton.h": + cdef void pack_int16(char *buf, int16_t x); + cdef void pack_int32(char *buf, int32_t x); + cdef void pack_int64(char *buf, int64_t x); + cdef void pack_float(char *buf, float f); + cdef void pack_double(char *buf, double f); + cdef int16_t unpack_int16(const char *buf); + cdef uint16_t unpack_uint16(const char *buf); + cdef int32_t unpack_int32(const char *buf); + cdef uint32_t unpack_uint32(const char *buf); + cdef int64_t unpack_int64(const char *buf); + cdef uint64_t unpack_uint64(const char *buf); + cdef float unpack_float(const char *buf); + cdef double unpack_double(const char *buf); diff --git a/asyncpg/pgproto/pgproto.c b/asyncpg/pgproto/pgproto.c new file mode 100644 index 0000000..147eee9 --- /dev/null +++ b/asyncpg/pgproto/pgproto.c @@ -0,0 +1,42418 @@ +/* Generated by Cython 0.29.20 */ + +/* BEGIN: Cython Metadata +{ + "distutils": { + "depends": [ + "asyncpg/pgproto/debug.h" + ], + "extra_compile_args": [ + "-O2", + "-fsigned-char", + "-Wall", + "-Wsign-compare", + "-Wconversion" + ], + "include_dirs": [ + "./asyncpg/pgproto" + ], + "name": "asyncpg.pgproto.pgproto", + "sources": [ + "asyncpg/pgproto/pgproto.pyx" + ] + }, + "module_name": "asyncpg.pgproto.pgproto" +} +END: Cython Metadata */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_20" +#define CYTHON_HEX_VERSION 0x001D14F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : (Py_INCREF(func), func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__asyncpg__pgproto__pgproto +#define __PYX_HAVE_API__asyncpg__pgproto__pgproto +/* Early includes */ +#include +#include +#include "pythread.h" +#include +#include "./hton.h" +#include "./tohex.h" +#include "debug.h" +#include "datetime.h" +#include +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "asyncpg/pgproto/./frb.pyx", + "asyncpg/pgproto/./buffer.pyx", + "stringsource", + "asyncpg/pgproto/./uuid.pyx", + "asyncpg/pgproto/./codecs/context.pyx", + "asyncpg/pgproto/./codecs/int.pyx", + "asyncpg/pgproto/./codecs/bytea.pyx", + "asyncpg/pgproto/./codecs/text.pyx", + "asyncpg/pgproto/./codecs/datetime.pyx", + "asyncpg/pgproto/./codecs/float.pyx", + "asyncpg/pgproto/./codecs/json.pyx", + "asyncpg/pgproto/./codecs/uuid.pyx", + "asyncpg/pgproto/./codecs/numeric.pyx", + "asyncpg/pgproto/./codecs/bits.pyx", + "asyncpg/pgproto/./codecs/geometry.pyx", + "asyncpg/pgproto/./codecs/hstore.pyx", + "asyncpg/pgproto/./codecs/misc.pyx", + "asyncpg/pgproto/./codecs/network.pyx", + "asyncpg/pgproto/./codecs/tid.pyx", + "asyncpg/pgproto/./codecs/txid.pyx", + "asyncpg/pgproto/./frb.pxd", + "asyncpg/pgproto/./buffer.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/datetime.pxd", + "asyncpg/pgproto/pgproto.pyx", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/type.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/bool.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/complex.pxd", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID; +struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer; +struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages; + +/* "asyncpg/pgproto/frb.pxd":10 + * cdef: + * + * struct FRBuffer: # <<<<<<<<<<<<<< + * const char* buf + * ssize_t len + */ +struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer { + char const *buf; + Py_ssize_t len; +}; + +/* "asyncpg/pgproto/buffer.pxd":60 + * + * + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) # <<<<<<<<<<<<<< + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 + */ +typedef char const *(*__pyx_t_7asyncpg_7pgproto_7pgproto_try_consume_message_method)(PyObject *, Py_ssize_t *); + +/* "asyncpg/pgproto/buffer.pxd":61 + * + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 # <<<<<<<<<<<<<< + * ctypedef int32_t (*take_message_method)(object) except -1 + * ctypedef char (*get_message_type_method)(object) + */ +typedef int32_t (*__pyx_t_7asyncpg_7pgproto_7pgproto_take_message_type_method)(PyObject *, char); + +/* "asyncpg/pgproto/buffer.pxd":62 + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 # <<<<<<<<<<<<<< + * ctypedef char (*get_message_type_method)(object) + * + */ +typedef int32_t (*__pyx_t_7asyncpg_7pgproto_7pgproto_take_message_method)(PyObject *); + +/* "asyncpg/pgproto/buffer.pxd":63 + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 + * ctypedef char (*get_message_type_method)(object) # <<<<<<<<<<<<<< + * + * + */ +typedef char (*__pyx_t_7asyncpg_7pgproto_7pgproto_get_message_type_method)(PyObject *); + +/* "asyncpg/pgproto/buffer.pxd":128 + * cdef bytes consume_message(self) + * cdef discard_message(self) + * cdef redirect_messages(self, WriteBuffer buf, char mtype, int stop_at=?) # <<<<<<<<<<<<<< + * cdef bytearray consume_messages(self, char mtype) + * cdef finish_message(self) + */ +struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages { + int __pyx_n; + int stop_at; +}; + +/* "asyncpg/pgproto/codecs/__init__.pxd":14 + * + * + * ctypedef object (*encode_func)(CodecContext settings, # <<<<<<<<<<<<<< + * WriteBuffer buf, + * object obj) + */ +typedef PyObject *(*__pyx_t_7asyncpg_7pgproto_7pgproto_encode_func)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + +/* "asyncpg/pgproto/codecs/__init__.pxd":18 + * object obj) + * + * ctypedef object (*decode_func)(CodecContext settings, # <<<<<<<<<<<<<< + * FRBuffer *buf) + * + */ +typedef PyObject *(*__pyx_t_7asyncpg_7pgproto_7pgproto_decode_func)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + +/* "asyncpg/pgproto/buffer.pxd":8 + * + * + * cdef class WriteBuffer: # <<<<<<<<<<<<<< + * cdef: + * # Preallocated small buffer + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_vtab; + int _smallbuf_inuse; + char _smallbuf[0x400]; + char *_buf; + Py_ssize_t _size; + Py_ssize_t _length; + int _view_count; + int _message_mode; +}; + + +/* "asyncpg/pgproto/buffer.pxd":66 + * + * + * cdef class ReadBuffer: # <<<<<<<<<<<<<< + * cdef: + * # A deque of buffers (bytes objects) + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_vtab; + PyObject *_bufs; + PyObject *_bufs_append; + PyObject *_bufs_popleft; + PyObject *_buf0; + PyObject *_buf0_prev; + int32_t _bufs_len; + Py_ssize_t _pos0; + Py_ssize_t _len0; + Py_ssize_t _length; + char _current_message_type; + int32_t _current_message_len; + Py_ssize_t _current_message_len_unread; + int _current_message_ready; +}; + + +/* "asyncpg/pgproto/codecs/__init__.pxd":8 + * + * + * cdef class CodecContext: # <<<<<<<<<<<<<< + * + * cpdef get_text_codec(self) + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_vtab; +}; + + +/* "asyncpg/pgproto/uuid.pyx":109 + * + * + * cdef class __UUIDReplaceMe: # <<<<<<<<<<<<<< + * pass + * + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe { + PyObject_HEAD +}; + + +/* "asyncpg/pgproto/uuid.pyx":122 + * @cython.final + * @cython.no_gc_clear + * cdef class UUID(__UUIDReplaceMe): # <<<<<<<<<<<<<< + * + * cdef: + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe __pyx_base; + char _data[16]; + PyObject *_int; + PyObject *_hash; + PyObject *__weakref__; +}; + + + +/* "asyncpg/pgproto/buffer.pyx":18 + * @cython.final + * @cython.freelist(_BUFFER_FREELIST_SIZE) + * cdef class WriteBuffer: # <<<<<<<<<<<<<< + * + * def __cinit__(self): + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer { + PyObject *(*len)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_len_prefixed_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*_check_readonly)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*_ensure_alloced)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); + PyObject *(*_reallocate)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); + PyObject *(*start_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); + PyObject *(*end_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_buffer)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_byte)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); + PyObject *(*write_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_len_prefixed_buffer)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_len_prefixed_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_bytestring)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_str)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, PyObject *); + PyObject *(*write_cstr)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char const *, Py_ssize_t); + PyObject *(*write_int16)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int16_t); + PyObject *(*write_int32)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); + PyObject *(*write_int64)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int64_t); + PyObject *(*write_float)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, float); + PyObject *(*write_double)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, double); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *(*new_message)(char); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *(*new)(void); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_WriteBuffer; +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__check_readonly(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__ensure_alloced(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__reallocate(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_start_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_end_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_buffer(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_byte(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_buffer(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_bytestring(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_str(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, PyObject *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_cstr(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char const *, Py_ssize_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int16(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int16_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int32(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int64(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int64_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_float(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, float); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_double(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, double); +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_new_message(char); +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_new(void); + + +/* "asyncpg/pgproto/buffer.pyx":231 + * @cython.final + * @cython.freelist(_BUFFER_FREELIST_SIZE) + * cdef class ReadBuffer: # <<<<<<<<<<<<<< + * + * def __cinit__(self): + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer { + PyObject *(*len)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char (*get_message_type)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*get_message_length)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*feed_data)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, PyObject *); + PyObject *(*_ensure_first_buf)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*_switch_to_next_buf)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char (*read_byte)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char const *(*_try_read_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*_read_into)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char *, Py_ssize_t); + PyObject *(*_read_and_discard)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*read_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*read_len_prefixed_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_len_prefixed_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_uuid)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int64_t (*read_int64)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*read_int32)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int16_t (*read_int16)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_null_str)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*take_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*take_message_type)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); + int32_t (*put_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char const *(*try_consume_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t *); + PyObject *(*consume_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*discard_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*redirect_messages)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char, struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages *__pyx_optional_args); + PyObject *(*consume_messages)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); + PyObject *(*finish_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*_finish_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *(*new_message_parser)(PyObject *); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_ReadBuffer; +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_length(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_feed_data(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, PyObject *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__ensure_first_buf(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__switch_to_next_buf(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_byte(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__try_read_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__read_into(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char *, Py_ssize_t); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__read_and_discard(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_len_prefixed_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_uuid(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int64_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int64(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int32(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int16_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int16(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_null_str(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_take_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_take_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); +static int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_put_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_try_consume_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_consume_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_discard_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char, struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages *__pyx_optional_args); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_consume_messages(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_finish_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__finish_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_new_message_parser(PyObject *); + + +/* "asyncpg/pgproto/codecs/context.pyx":8 + * + * + * cdef class CodecContext: # <<<<<<<<<<<<<< + * + * cpdef get_text_codec(self): + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext { + PyObject *(*get_text_codec)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, int __pyx_skip_dispatch); + PyObject *(*is_encoding_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_CodecContext; + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; +#ifdef WITH_THREAD + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + if (acquire_gil) {\ + PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + PyGILState_Release(__pyx_gilstate_save);\ + } else {\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + } +#else + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) +#endif + #define __Pyx_RefNannyFinishContext()\ + __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* BuildPyUnicode.proto */ +static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength, + int prepend_sign, char padding_char); + +/* CIntToPyUnicode.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char); + +/* IncludeStringH.proto */ +#include + +/* JoinPyUnicode.proto */ +static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength, + Py_UCS4 max_char); + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* KeywordStringCheck.proto */ +static int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* WriteUnraisableException.proto */ +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename, + int full_traceback, int nogil); + +/* PyObjectCallNoArg.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); +#else +#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) +#endif + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* decode_c_string_utf16.proto */ +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 0; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = -1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} + +/* decode_c_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes( + const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)); + +/* decode_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_bytes( + PyObject* string, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + return __Pyx_decode_c_bytes( + PyBytes_AS_STRING(string), PyBytes_GET_SIZE(string), + start, stop, encoding, errors, decode_func); +} + +/* None.proto */ +static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname); + +/* PyObjectFormatAndDecref.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatSimpleAndDecref(PyObject* s, PyObject* f); +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatAndDecref(PyObject* s, PyObject* f); + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* PyObjectFormatSimple.proto */ +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + PyObject_Format(s, f)) +#elif PY_MAJOR_VERSION < 3 + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\ + PyObject_Format(s, f)) +#elif CYTHON_USE_TYPE_SLOTS + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_str(s) :\ + likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_str(s) :\ + PyObject_Format(s, f)) +#else + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + PyObject_Format(s, f)) +#endif + +/* ObjectGetItem.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key); +#else +#define __Pyx_PyObject_GetItem(obj, key) PyObject_GetItem(obj, key) +#endif + +/* SliceObject.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice( + PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** py_start, PyObject** py_stop, PyObject** py_slice, + int has_cstart, int has_cstop, int wraparound); + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AndObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_AndObjC(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceAnd(op1, op2) : PyNumber_And(op1, op2)) +#endif + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_RshiftObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_RshiftObjC(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceRshift(op1, op2) : PyNumber_Rshift(op1, op2)) +#endif + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_LshiftObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_LshiftObjC(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceLshift(op1, op2) : PyNumber_Lshift(op1, op2)) +#endif + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* SwapException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSwap(type, value, tb) __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* None.proto */ +static CYTHON_INLINE int64_t __Pyx_div_int64_t(int64_t, int64_t); + +/* None.proto */ +static CYTHON_INLINE int64_t __Pyx_mod_int64_t(int64_t, int64_t); + +/* None.proto */ +static CYTHON_INLINE long __Pyx_div_long(long, long); + +/* None.proto */ +static CYTHON_INLINE long __Pyx_mod_long(long, long); + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* BytesEquals.proto */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); + +/* UnicodeEquals.proto */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); + +/* py_abs.proto */ +#if CYTHON_USE_PYLONG_INTERNALS +static PyObject *__Pyx_PyLong_AbsNeg(PyObject *num); +#define __Pyx_PyNumber_Absolute(x)\ + ((likely(PyLong_CheckExact(x))) ?\ + (likely(Py_SIZE(x) >= 0) ? (Py_INCREF(x), (x)) : __Pyx_PyLong_AbsNeg(x)) :\ + PyNumber_Absolute(x)) +#else +#define __Pyx_PyNumber_Absolute(x) PyNumber_Absolute(x) +#endif + +/* RaiseTooManyValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); + +/* RaiseNeedMoreValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); + +/* IterFinish.proto */ +static CYTHON_INLINE int __Pyx_IterFinish(void); + +/* UnpackItemEndCheck.proto */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddCObj(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_AddCObj(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2)) +#endif + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* CallNextTpTraverse.proto */ +static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* SetVTable.proto */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable); + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_char(unsigned char value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint8_t(uint8_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint16_t(uint16_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int64_t __Pyx_PyInt_As_int64_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint8_t __Pyx_PyInt_As_uint8_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE unsigned char __Pyx_PyInt_As_unsigned_char(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int16_t __Pyx_PyInt_As_int16_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int8_t __Pyx_PyInt_As_int8_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); + +/* FunctionExport.proto */ +static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig); + +/* InitStrings.proto */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); + +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__check_readonly(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__ensure_alloced(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, Py_ssize_t __pyx_v_extra_length); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer__reallocate(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, Py_ssize_t __pyx_v_new_size); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_start_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, char __pyx_v_type); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_end_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_buffer(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_byte(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, char __pyx_v_b); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_bytestring(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_string); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_str(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_string, PyObject *__pyx_v_encoding); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_buffer(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_cstr(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, char const *__pyx_v_data, Py_ssize_t __pyx_v_len); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int16(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, int16_t __pyx_v_i); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int32(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, int32_t __pyx_v_i); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_int64(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, int64_t __pyx_v_i); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_float(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, float __pyx_v_f); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_double(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, double __pyx_v_d); /* proto*/ +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_new_message(char __pyx_v_type); /* proto*/ +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_new(void); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_feed_data(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, PyObject *__pyx_v_data); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__ensure_first_buf(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__switch_to_next_buf(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__try_read_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, Py_ssize_t __pyx_v_nbytes); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__read_into(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, char *__pyx_v_buf, Py_ssize_t __pyx_v_nbytes); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__read_and_discard(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, Py_ssize_t __pyx_v_nbytes); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, Py_ssize_t __pyx_v_nbytes); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_len_prefixed_bytes(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_uuid(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_byte(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int64_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int64(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int32(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int16_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_int16(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_read_null_str(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_take_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_take_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_put_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_try_consume_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, Py_ssize_t *__pyx_v_len); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_discard_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_consume_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, char __pyx_v_mtype, struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages *__pyx_optional_args); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_consume_messages(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_finish_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer__finish_message(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_new_message_parser(PyObject *__pyx_v_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_12CodecContext_get_text_codec(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_12CodecContext_is_encoding_utf8(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_s); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_length(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ + +/* Module declarations from 'cython' */ + +/* Module declarations from 'cpython.version' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.type' */ +static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0; + +/* Module declarations from 'libc.string' */ + +/* Module declarations from 'libc.stdio' */ + +/* Module declarations from 'cpython.object' */ + +/* Module declarations from 'cpython.ref' */ + +/* Module declarations from 'cpython.exc' */ + +/* Module declarations from 'cpython.module' */ + +/* Module declarations from 'cpython.mem' */ + +/* Module declarations from 'cpython.tuple' */ + +/* Module declarations from 'cpython.list' */ + +/* Module declarations from 'cpython.sequence' */ + +/* Module declarations from 'cpython.mapping' */ + +/* Module declarations from 'cpython.iterator' */ + +/* Module declarations from 'cpython.number' */ + +/* Module declarations from 'cpython.int' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.bool' */ +static PyTypeObject *__pyx_ptype_7cpython_4bool_bool = 0; + +/* Module declarations from 'cpython.long' */ + +/* Module declarations from 'cpython.float' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.complex' */ +static PyTypeObject *__pyx_ptype_7cpython_7complex_complex = 0; + +/* Module declarations from 'cpython.string' */ + +/* Module declarations from 'cpython.unicode' */ + +/* Module declarations from 'cpython.dict' */ + +/* Module declarations from 'cpython.instance' */ + +/* Module declarations from 'cpython.function' */ + +/* Module declarations from 'cpython.method' */ + +/* Module declarations from 'cpython.weakref' */ + +/* Module declarations from 'cpython.getargs' */ + +/* Module declarations from 'cpython.pythread' */ + +/* Module declarations from 'cpython.pystate' */ + +/* Module declarations from 'cpython.cobject' */ + +/* Module declarations from 'cpython.oldbuffer' */ + +/* Module declarations from 'cpython.set' */ + +/* Module declarations from 'cpython.buffer' */ + +/* Module declarations from 'cpython.bytes' */ + +/* Module declarations from 'cpython.pycapsule' */ + +/* Module declarations from 'datetime' */ + +/* Module declarations from 'cpython.datetime' */ +static PyTypeObject *__pyx_ptype_7cpython_8datetime_date = 0; +static PyTypeObject *__pyx_ptype_7cpython_8datetime_time = 0; +static PyTypeObject *__pyx_ptype_7cpython_8datetime_datetime = 0; +static PyTypeObject *__pyx_ptype_7cpython_8datetime_timedelta = 0; +static PyTypeObject *__pyx_ptype_7cpython_8datetime_tzinfo = 0; +static CYTHON_INLINE void __pyx_f_7cpython_8datetime_import_datetime(void); /*proto*/ + +/* Module declarations from 'cpython' */ + +/* Module declarations from 'libc.stdint' */ + +/* Module declarations from 'asyncpg.pgproto' */ + +/* Module declarations from 'asyncpg.pgproto.cpythonx' */ + +/* Module declarations from 'asyncpg.pgproto.hton' */ + +/* Module declarations from 'asyncpg.pgproto.tohex' */ + +/* Module declarations from 'asyncpg.pgproto.debug' */ + +/* Module declarations from 'libc' */ + +/* Module declarations from 'libc.math' */ + +/* Module declarations from 'asyncpg.pgproto.pgproto' */ +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_WriteBuffer = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_ReadBuffer = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_UUID = 0; +static char __pyx_v_7asyncpg_7pgproto_7pgproto__hextable[0x100]; +static PyObject *__pyx_v_7asyncpg_7pgproto_7pgproto_std_UUID = 0; +static PyObject *__pyx_v_7asyncpg_7pgproto_7pgproto_pg_UUID = 0; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_epoch_datetime_ts; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_epoch_datetime_utc_ts; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_date_offset_ord; +static int64_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_time64_infinity; +static int64_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_time64_negative_infinity; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_date_infinity; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_pg_date_negative_infinity; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_infinity_datetime_ord; +static int64_t __pyx_v_7asyncpg_7pgproto_7pgproto_infinity_datetime_ts; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_negative_infinity_datetime_ord; +static int64_t __pyx_v_7asyncpg_7pgproto_7pgproto_negative_infinity_datetime_ts; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_infinity_date_ord; +static int32_t __pyx_v_7asyncpg_7pgproto_7pgproto_negative_infinity_date_ord; +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_read(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_read_all(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_check(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_time_decode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_as_pg_string_and_size(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, PyObject *, char **, Py_ssize_t *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_text_encode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_text_decode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_bytea_encode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_numeric_decode_binary_ex(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, int); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_pg_uuid_bytes_from_str(PyObject *, char *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_pg_uuid_from_buf(char const *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_decode_pg_string(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, char const *, Py_ssize_t); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto__local_timezone(void); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto__encode_time(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int64_t, int32_t); /*proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto__decode_time(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, int64_t *, int32_t *); /*proto*/ +static CYTHON_INLINE char *__pyx_f_7asyncpg_7pgproto_7pgproto__unpack_digit_stripping_lzeros(char *, int64_t); /*proto*/ +static CYTHON_INLINE char *__pyx_f_7asyncpg_7pgproto_7pgproto__unpack_digit(char *, int64_t); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto__encode_points(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto__decode_points(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static CYTHON_INLINE uint8_t __pyx_f_7asyncpg_7pgproto_7pgproto__ip_max_prefix_len(int32_t); /*proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto__ip_addr_len(int32_t); /*proto*/ +static CYTHON_INLINE int8_t __pyx_f_7asyncpg_7pgproto_7pgproto__ver_to_family(int32_t); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto__net_encode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int8_t, uint32_t, int8_t, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_net_decode(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, int); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto___pyx_unpickle___UUIDReplaceMe__set_state(struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto___pyx_unpickle_CodecContext__set_state(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, PyObject *); /*proto*/ +#define __Pyx_MODULE_NAME "asyncpg.pgproto.pgproto" +extern int __pyx_module_is_main_asyncpg__pgproto__pgproto; +int __pyx_module_is_main_asyncpg__pgproto__pgproto = 0; + +/* Implementation of 'asyncpg.pgproto.pgproto' */ +static PyObject *__pyx_builtin_AssertionError; +static PyObject *__pyx_builtin_MemoryError; +static PyObject *__pyx_builtin_TypeError; +static PyObject *__pyx_builtin_chr; +static PyObject *__pyx_builtin_print; +static PyObject *__pyx_builtin_ValueError; +static PyObject *__pyx_builtin_range; +static PyObject *__pyx_builtin_NotImplemented; +static PyObject *__pyx_builtin_NotImplementedError; +static PyObject *__pyx_builtin_OverflowError; +static const char __pyx_k_F[] = "F"; +static const char __pyx_k_N[] = "N"; +static const char __pyx_k_n[] = "n"; +static const char __pyx_k_0e[] = "0e-"; +static const char __pyx_k__3[] = ""; +static const char __pyx_k__4[] = "\000"; +static const char __pyx_k__8[] = "')"; +static const char __pyx_k_Box[] = "Box"; +static const char __pyx_k_Dec[] = "_Dec"; +static const char __pyx_k_NaN[] = "NaN"; +static const char __pyx_k_add[] = "__add__"; +static const char __pyx_k_big[] = "big"; +static const char __pyx_k_chr[] = "chr"; +static const char __pyx_k_day[] = "day"; +static const char __pyx_k_inp[] = "inp"; +static const char __pyx_k_int[] = "int"; +static const char __pyx_k_len[] = "__len__"; +static const char __pyx_k_mro[] = "__mro__"; +static const char __pyx_k_new[] = "__new__"; +static const char __pyx_k_now[] = "now"; +static const char __pyx_k_utc[] = "utc"; +static const char __pyx_k_Line[] = "Line"; +static const char __pyx_k_Path[] = "Path"; +static const char __pyx_k_UUID[] = "UUID('"; +static const char __pyx_k_cidr[] = "cidr"; +static const char __pyx_k_date[] = "date"; +static const char __pyx_k_days[] = "days"; +static const char __pyx_k_dict[] = "__dict__"; +static const char __pyx_k_find[] = "find"; +static const char __pyx_k_hour[] = "hour"; +static const char __pyx_k_inet[] = "inet"; +static const char __pyx_k_main[] = "__main__"; +static const char __pyx_k_name[] = "__name__"; +static const char __pyx_k_node[] = "node"; +static const char __pyx_k_sign[] = "sign"; +static const char __pyx_k_test[] = "__test__"; +static const char __pyx_k_time[] = "time"; +static const char __pyx_k_uuid[] = "uuid"; +static const char __pyx_k_year[] = "year"; +static const char __pyx_k_Point[] = "Point"; +static const char __pyx_k_bases[] = "__bases__"; +static const char __pyx_k_bytes[] = "bytes"; +static const char __pyx_k_deque[] = "deque"; +static const char __pyx_k_int_2[] = "__int__"; +static const char __pyx_k_ipnet[] = "_ipnet"; +static const char __pyx_k_items[] = "items"; +static const char __pyx_k_month[] = "month"; +static const char __pyx_k_print[] = "print"; +static const char __pyx_k_range[] = "range"; +static const char __pyx_k_types[] = "types"; +static const char __pyx_k_Circle[] = "Circle"; +static const char __pyx_k_UUID_2[] = "UUID"; +static const char __pyx_k_append[] = "append"; +static const char __pyx_k_decode[] = "decode"; +static const char __pyx_k_digits[] = "digits"; +static const char __pyx_k_encode[] = "encode"; +static const char __pyx_k_format[] = "format"; +static const char __pyx_k_import[] = "__import__"; +static const char __pyx_k_ipaddr[] = "_ipaddr"; +static const char __pyx_k_minute[] = "minute"; +static const char __pyx_k_packed[] = "packed"; +static const char __pyx_k_pickle[] = "pickle"; +static const char __pyx_k_reduce[] = "__reduce__"; +static const char __pyx_k_second[] = "second"; +static const char __pyx_k_tzinfo[] = "tzinfo"; +static const char __pyx_k_update[] = "update"; +static const char __pyx_k_Decimal[] = "Decimal"; +static const char __pyx_k_MAXYEAR[] = "MAXYEAR"; +static const char __pyx_k_MINYEAR[] = "MINYEAR"; +static const char __pyx_k_Polygon[] = "Polygon"; +static const char __pyx_k_decimal[] = "decimal"; +static const char __pyx_k_ipiface[] = "_ipiface"; +static const char __pyx_k_minutes[] = "minutes"; +static const char __pyx_k_network[] = "network"; +static const char __pyx_k_popleft[] = "popleft"; +static const char __pyx_k_replace[] = "replace"; +static const char __pyx_k_seconds[] = "seconds"; +static const char __pyx_k_unknown[] = "unknown"; +static const char __pyx_k_variant[] = "variant"; +static const char __pyx_k_version[] = "version"; +static const char __pyx_k_RFC_4122[] = "RFC_4122"; +static const char __pyx_k_SafeUUID[] = "SafeUUID"; +static const char __pyx_k_as_tuple[] = "as_tuple"; +static const char __pyx_k_datetime[] = "datetime"; +static const char __pyx_k_exponent[] = "exponent"; +static const char __pyx_k_getstate[] = "__getstate__"; +static const char __pyx_k_pyx_type[] = "__pyx_type"; +static const char __pyx_k_setstate[] = "__setstate__"; +static const char __pyx_k_time_low[] = "time_low"; +static const char __pyx_k_time_mid[] = "time_mid"; +static const char __pyx_k_timezone[] = "timezone"; +static const char __pyx_k_urn_uuid[] = "urn:uuid:"; +static const char __pyx_k_BitString[] = "BitString"; +static const char __pyx_k_TypeError[] = "TypeError"; +static const char __pyx_k_frombytes[] = "frombytes"; +static const char __pyx_k_functools[] = "functools"; +static const char __pyx_k_ipaddress[] = "ipaddress"; +static const char __pyx_k_is_closed[] = "is_closed"; +static const char __pyx_k_prefixlen[] = "prefixlen"; +static const char __pyx_k_pyx_state[] = "__pyx_state"; +static const char __pyx_k_reduce_ex[] = "__reduce_ex__"; +static const char __pyx_k_remaining[] = " remaining "; +static const char __pyx_k_timedelta[] = "timedelta"; +static const char __pyx_k_timestamp[] = "timestamp"; +static const char __pyx_k_toordinal[] = "toordinal"; +static const char __pyx_k_utcoffset[] = "utcoffset"; +static const char __pyx_k_ReadBuffer[] = "ReadBuffer"; +static const char __pyx_k_ValueError[] = "ValueError"; +static const char __pyx_k_astimezone[] = "astimezone"; +static const char __pyx_k_exceptions[] = "exceptions"; +static const char __pyx_k_from_bytes[] = "from_bytes"; +static const char __pyx_k_ip_address[] = "ip_address"; +static const char __pyx_k_ip_network[] = "ip_network"; +static const char __pyx_k_pyx_result[] = "__pyx_result"; +static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__"; +static const char __pyx_k_BufferError[] = "BufferError"; +static const char __pyx_k_LineSegment[] = "LineSegment"; +static const char __pyx_k_MemoryError[] = "MemoryError"; +static const char __pyx_k_PickleError[] = "PickleError"; +static const char __pyx_k_WriteBuffer[] = "WriteBuffer"; +static const char __pyx_k_collections[] = "collections"; +static const char __pyx_k_fromordinal[] = "fromordinal"; +static const char __pyx_k_microsecond[] = "microsecond"; +static const char __pyx_k_CodecContext[] = "CodecContext"; +static const char __pyx_k_RESERVED_NCS[] = "RESERVED_NCS"; +static const char __pyx_k_empty_buffer[] = "empty buffer"; +static const char __pyx_k_invalid_UUID[] = "invalid UUID "; +static const char __pyx_k_ip_interface[] = "ip_interface"; +static const char __pyx_k_microseconds[] = "microseconds"; +static const char __pyx_k_pyx_checksum[] = "__pyx_checksum"; +static const char __pyx_k_stringsource[] = "stringsource"; +static const char __pyx_k_OverflowError[] = "OverflowError"; +static const char __pyx_k_UUIDReplaceMe[] = "__UUIDReplaceMe"; +static const char __pyx_k_clock_seq_low[] = "clock_seq_low"; +static const char __pyx_k_infinity_date[] = "infinity_date"; +static const char __pyx_k_pg_epoch_date[] = "pg_epoch_date"; +static const char __pyx_k_pgproto_types[] = "pgproto_types"; +static const char __pyx_k_reduce_cython[] = "__reduce_cython__"; +static const char __pyx_k_AssertionError[] = "AssertionError"; +static const char __pyx_k_NotImplemented[] = "NotImplemented"; +static const char __pyx_k_get_text_codec[] = "get_text_codec"; +static const char __pyx_k_RESERVED_FUTURE[] = "RESERVED_FUTURE"; +static const char __pyx_k_buffer_overread[] = "buffer overread"; +static const char __pyx_k_network_address[] = "network_address"; +static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError"; +static const char __pyx_k_setstate_cython[] = "__setstate_cython__"; +static const char __pyx_k_string_too_long[] = "string too long"; +static const char __pyx_k_time_hi_version[] = "time_hi_version"; +static const char __pyx_k_expected_str_got[] = "expected str, got {}"; +static const char __pyx_k_date_from_ordinal[] = "date_from_ordinal"; +static const char __pyx_k_infinity_datetime[] = "infinity_datetime"; +static const char __pyx_k_pg_epoch_datetime[] = "pg_epoch_datetime"; +static const char __pyx_k_RESERVED_MICROSOFT[] = "RESERVED_MICROSOFT"; +static const char __pyx_k_bit_value_too_long[] = "bit value too long"; +static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback"; +static const char __pyx_k_empty_first_buffer[] = "empty first buffer"; +static const char __pyx_k_NotImplementedError[] = "NotImplementedError"; +static const char __pyx_k_path_value_too_long[] = "path value too long"; +static const char __pyx_k_string_is_too_large[] = "string is too large"; +static const char __pyx_k_clock_seq_hi_variant[] = "clock_seq_hi_variant"; +static const char __pyx_k_unexpected_character[] = ": unexpected character "; +static const char __pyx_k_no_message_to_consume[] = "no message to consume"; +static const char __pyx_k_no_message_to_discard[] = "no message to discard"; +static const char __pyx_k_pg_epoch_datetime_utc[] = "pg_epoch_datetime_utc"; +static const char __pyx_k_negative_infinity_date[] = "negative_infinity_date"; +static const char __pyx_k_polygon_value_too_long[] = "polygon value too long"; +static const char __pyx_k_asyncpg_pgproto_pgproto[] = "asyncpg.pgproto.pgproto"; +static const char __pyx_k_unexpected_JSONB_format[] = "unexpected JSONB format: {}"; +static const char __pyx_k_value_out_of_int16_range[] = "value out of int16 range"; +static const char __pyx_k_value_out_of_int32_range[] = "value out of int32 range"; +static const char __pyx_k_value_out_of_int64_range[] = "value out of int64 range"; +static const char __pyx_k_hstore_value_is_too_large[] = "hstore value is too large"; +static const char __pyx_k_pyx_unpickle_CodecContext[] = "__pyx_unpickle_CodecContext"; +static const char __pyx_k_value_out_of_uint32_range[] = "value out of uint32 range"; +static const char __pyx_k_16_bytes_were_expected_got[] = "16 bytes were expected, got "; +static const char __pyx_k_negative_infinity_datetime[] = "negative_infinity_datetime"; +static const char __pyx_k_value_out_of_float32_range[] = "value out of float32 range"; +static const char __pyx_k_pyx_unpickle___UUIDReplaceMe[] = "__pyx_unpickle___UUIDReplaceMe"; +static const char __pyx_k_decodes_to_less_than_16_bytes[] = ": decodes to less than 16 bytes"; +static const char __pyx_k_decodes_to_more_than_16_bytes[] = ": decodes to more than 16 bytes"; +static const char __pyx_k_not_enough_data_to_read_bytes[] = "not enough data to read {} bytes"; +static const char __pyx_k_read_null_str_buffer_overread[] = "read_null_str: buffer overread"; +static const char __pyx_k_a_boolean_is_required_got_type[] = "a boolean is required (got type {})"; +static const char __pyx_k_consume_full_messages_called_on[] = "consume_full_messages called on a buffer without a complete first message"; +static const char __pyx_k_discarding_message_r_unread_dat[] = "!!! discarding message {!r} unread data: {!r}"; +static const char __pyx_k_end_message_buffer_is_too_small[] = "end_message: buffer is too small"; +static const char __pyx_k_feed_data_bytes_object_expected[] = "feed_data: bytes object expected"; +static const char __pyx_k_invalid_address_family_in_value[] = "invalid address family in \"{}\" value"; +static const char __pyx_k_invalid_address_length_in_value[] = "invalid address length in \"{}\" value"; +static const char __pyx_k_length_must_be_between_32_36_ch[] = ": length must be between 32..36 characters, got "; +static const char __pyx_k_list_or_tuple_expected_got_type[] = "list or tuple expected (got type {})"; +static const char __pyx_k_the_buffer_is_in_read_only_mode[] = "the buffer is in read-only mode"; +static const char __pyx_k_txid_snapshot_value_is_too_long[] = "txid_snapshot value is too long"; +static const char __pyx_k_unexpected_CIDR_flag_set_in_non[] = "unexpected CIDR flag set in non-cidr value"; +static const char __pyx_k_Deallocating_buffer_with_attache[] = "Deallocating buffer with attached memoryviews"; +static const char __pyx_k_Incompatible_checksums_s_vs_0xd4[] = "Incompatible checksums (%s vs 0xd41d8cd = ())"; +static const char __pyx_k_a_bytes_or_str_object_expected_g[] = "a bytes or str object expected, got "; +static const char __pyx_k_cannot_decode_UUID_expected_16_b[] = "cannot decode UUID, expected 16 bytes, got "; +static const char __pyx_k_cannot_encode_Decimal_value_into[] = "cannot encode Decimal value into numeric: exponent is too small"; +static const char __pyx_k_cannot_put_message_no_message_ta[] = "cannot put message: no message taken"; +static const char __pyx_k_cannot_start_message_for_a_non_e[] = "cannot start_message for a non-empty buffer"; +static const char __pyx_k_consume_full_messages_called_wit[] = "consume_full_messages called with a wrong mtype"; +static const char __pyx_k_date_tuple_encoder_expecting_1_e[] = "date tuple encoder: expecting 1 element in tuple, got {}"; +static const char __pyx_k_debug_first_buffer_of_ReadBuffer[] = "debug: first buffer of ReadBuffer is empty"; +static const char __pyx_k_debug_second_buffer_of_ReadBuffe[] = "debug: second buffer of ReadBuffer is empty"; +static const char __pyx_k_end_message_can_only_be_called_w[] = "end_message can only be called with start_message"; +static const char __pyx_k_end_message_message_is_too_large[] = "end_message: message is too large"; +static const char __pyx_k_expected_a_datetime_date_or_date[] = "expected a datetime.date or datetime.datetime instance, got {!r}"; +static const char __pyx_k_failed_to_read_one_byte_on_a_non[] = "failed to read one byte on a non-empty buffer"; +static const char __pyx_k_insufficient_data_in_buffer_requ[] = "insufficient data in buffer: requested "; +static const char __pyx_k_interval_tuple_encoder_expecting[] = "interval tuple encoder: expecting 3 elements in tuple, got {}"; +static const char __pyx_k_invalid_UUID_u_r_unexpected_char[] = "invalid UUID {u!r}: unexpected character"; +static const char __pyx_k_invalid_network_prefix_length_in[] = "invalid network prefix length in \"{}\" value"; +static const char __pyx_k_invalid_number_of_elements_in_ti[] = "invalid number of elements in tid tuple, expecting 2"; +static const char __pyx_k_invalid_number_of_elements_in_tx[] = "invalid number of elements in txid_snapshot tuple, expecting 4"; +static const char __pyx_k_negative_length_for_a_len_prefix[] = "negative length for a len-prefixed bytes value"; +static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__"; +static const char __pyx_k_not_enough_data_to_read_one_byte[] = "not enough data to read one byte"; +static const char __pyx_k_null_value_not_allowed_in_hstore[] = "null value not allowed in hstore key"; +static const char __pyx_k_numeric_type_does_not_support_in[] = "numeric type does not support infinite values"; +static const char __pyx_k_read_null_str_only_works_when_th[] = "read_null_str only works when the message guaranteed to be in the buffer"; +static const char __pyx_k_time_tuple_encoder_expecting_1_e[] = "time tuple encoder: expecting 1 element in tuple, got {}"; +static const char __pyx_k_time_tuple_encoder_expecting_2_e[] = "time tuple encoder: expecting 2 elements2 in tuple, got {}"; +static const char __pyx_k_timestamp_tuple_encoder_expectin[] = "timestamp tuple encoder: expecting 1 element in tuple, got {}"; +static const char __pyx_k_tuple_id_block_value_out_of_uint[] = "tuple id block value out of uint32 range"; +static const char __pyx_k_tuple_id_offset_value_out_of_uin[] = "tuple id offset value out of uint16 range"; +static const char __pyx_k_consume_full_messages_called_on_2[] = "consume_full_messages called on a partially read message"; +static const char __pyx_k_cannot_encode_Decimal_value_into_2[] = "cannot encode Decimal value into numeric: exponent is too large"; +static const char __pyx_k_cannot_encode_Decimal_value_into_3[] = "cannot encode Decimal value into numeric: number of digits is too large"; +static PyObject *__pyx_kp_u_0e; +static PyObject *__pyx_kp_u_16_bytes_were_expected_got; +static PyObject *__pyx_n_s_AssertionError; +static PyObject *__pyx_n_s_BitString; +static PyObject *__pyx_n_s_Box; +static PyObject *__pyx_n_s_BufferError; +static PyObject *__pyx_n_s_Circle; +static PyObject *__pyx_n_s_CodecContext; +static PyObject *__pyx_kp_u_Deallocating_buffer_with_attache; +static PyObject *__pyx_n_s_Dec; +static PyObject *__pyx_n_s_Decimal; +static PyObject *__pyx_n_u_F; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xd4; +static PyObject *__pyx_n_s_Line; +static PyObject *__pyx_n_s_LineSegment; +static PyObject *__pyx_n_s_MAXYEAR; +static PyObject *__pyx_n_s_MINYEAR; +static PyObject *__pyx_n_s_MemoryError; +static PyObject *__pyx_n_u_N; +static PyObject *__pyx_n_u_NaN; +static PyObject *__pyx_n_s_NotImplemented; +static PyObject *__pyx_n_s_NotImplementedError; +static PyObject *__pyx_n_s_OverflowError; +static PyObject *__pyx_n_s_Path; +static PyObject *__pyx_n_s_PickleError; +static PyObject *__pyx_n_s_Point; +static PyObject *__pyx_n_s_Polygon; +static PyObject *__pyx_n_s_RESERVED_FUTURE; +static PyObject *__pyx_n_s_RESERVED_MICROSOFT; +static PyObject *__pyx_n_s_RESERVED_NCS; +static PyObject *__pyx_n_s_RFC_4122; +static PyObject *__pyx_n_s_ReadBuffer; +static PyObject *__pyx_n_s_SafeUUID; +static PyObject *__pyx_n_s_TypeError; +static PyObject *__pyx_kp_u_UUID; +static PyObject *__pyx_n_s_UUIDReplaceMe; +static PyObject *__pyx_n_s_UUID_2; +static PyObject *__pyx_n_s_ValueError; +static PyObject *__pyx_n_s_WriteBuffer; +static PyObject *__pyx_n_s__3; +static PyObject *__pyx_kp_b__3; +static PyObject *__pyx_kp_u__3; +static PyObject *__pyx_kp_b__4; +static PyObject *__pyx_kp_u__8; +static PyObject *__pyx_kp_u_a_boolean_is_required_got_type; +static PyObject *__pyx_kp_u_a_bytes_or_str_object_expected_g; +static PyObject *__pyx_n_s_add; +static PyObject *__pyx_n_s_append; +static PyObject *__pyx_n_s_as_tuple; +static PyObject *__pyx_n_s_astimezone; +static PyObject *__pyx_n_s_asyncpg_pgproto_pgproto; +static PyObject *__pyx_n_s_bases; +static PyObject *__pyx_n_u_big; +static PyObject *__pyx_kp_u_bit_value_too_long; +static PyObject *__pyx_kp_u_buffer_overread; +static PyObject *__pyx_n_s_bytes; +static PyObject *__pyx_kp_u_cannot_decode_UUID_expected_16_b; +static PyObject *__pyx_kp_u_cannot_encode_Decimal_value_into; +static PyObject *__pyx_kp_u_cannot_encode_Decimal_value_into_2; +static PyObject *__pyx_kp_u_cannot_encode_Decimal_value_into_3; +static PyObject *__pyx_kp_u_cannot_put_message_no_message_ta; +static PyObject *__pyx_kp_u_cannot_start_message_for_a_non_e; +static PyObject *__pyx_n_s_chr; +static PyObject *__pyx_n_u_cidr; +static PyObject *__pyx_n_s_cline_in_traceback; +static PyObject *__pyx_n_s_clock_seq_hi_variant; +static PyObject *__pyx_n_s_clock_seq_low; +static PyObject *__pyx_n_s_collections; +static PyObject *__pyx_kp_u_consume_full_messages_called_on; +static PyObject *__pyx_kp_u_consume_full_messages_called_on_2; +static PyObject *__pyx_kp_u_consume_full_messages_called_wit; +static PyObject *__pyx_n_s_date; +static PyObject *__pyx_n_s_date_from_ordinal; +static PyObject *__pyx_kp_u_date_tuple_encoder_expecting_1_e; +static PyObject *__pyx_n_s_datetime; +static PyObject *__pyx_n_s_day; +static PyObject *__pyx_n_s_days; +static PyObject *__pyx_kp_u_debug_first_buffer_of_ReadBuffer; +static PyObject *__pyx_kp_u_debug_second_buffer_of_ReadBuffe; +static PyObject *__pyx_n_s_decimal; +static PyObject *__pyx_n_s_decode; +static PyObject *__pyx_kp_u_decodes_to_less_than_16_bytes; +static PyObject *__pyx_kp_u_decodes_to_more_than_16_bytes; +static PyObject *__pyx_n_s_deque; +static PyObject *__pyx_n_s_dict; +static PyObject *__pyx_n_s_digits; +static PyObject *__pyx_kp_u_discarding_message_r_unread_dat; +static PyObject *__pyx_kp_u_empty_buffer; +static PyObject *__pyx_kp_u_empty_first_buffer; +static PyObject *__pyx_n_s_encode; +static PyObject *__pyx_kp_u_end_message_buffer_is_too_small; +static PyObject *__pyx_kp_u_end_message_can_only_be_called_w; +static PyObject *__pyx_kp_u_end_message_message_is_too_large; +static PyObject *__pyx_n_s_exceptions; +static PyObject *__pyx_kp_u_expected_a_datetime_date_or_date; +static PyObject *__pyx_kp_u_expected_str_got; +static PyObject *__pyx_n_s_exponent; +static PyObject *__pyx_kp_u_failed_to_read_one_byte_on_a_non; +static PyObject *__pyx_kp_u_feed_data_bytes_object_expected; +static PyObject *__pyx_n_s_find; +static PyObject *__pyx_n_s_format; +static PyObject *__pyx_n_s_from_bytes; +static PyObject *__pyx_n_s_frombytes; +static PyObject *__pyx_n_s_fromordinal; +static PyObject *__pyx_n_s_functools; +static PyObject *__pyx_n_s_get_text_codec; +static PyObject *__pyx_n_s_getstate; +static PyObject *__pyx_n_s_hour; +static PyObject *__pyx_kp_u_hstore_value_is_too_large; +static PyObject *__pyx_n_s_import; +static PyObject *__pyx_n_u_inet; +static PyObject *__pyx_n_s_infinity_date; +static PyObject *__pyx_n_s_infinity_datetime; +static PyObject *__pyx_n_s_inp; +static PyObject *__pyx_kp_u_insufficient_data_in_buffer_requ; +static PyObject *__pyx_n_s_int; +static PyObject *__pyx_n_u_int_2; +static PyObject *__pyx_kp_u_interval_tuple_encoder_expecting; +static PyObject *__pyx_kp_u_invalid_UUID; +static PyObject *__pyx_kp_u_invalid_UUID_u_r_unexpected_char; +static PyObject *__pyx_kp_u_invalid_address_family_in_value; +static PyObject *__pyx_kp_u_invalid_address_length_in_value; +static PyObject *__pyx_kp_u_invalid_network_prefix_length_in; +static PyObject *__pyx_kp_u_invalid_number_of_elements_in_ti; +static PyObject *__pyx_kp_u_invalid_number_of_elements_in_tx; +static PyObject *__pyx_n_s_ip_address; +static PyObject *__pyx_n_s_ip_interface; +static PyObject *__pyx_n_s_ip_network; +static PyObject *__pyx_n_s_ipaddr; +static PyObject *__pyx_n_s_ipaddress; +static PyObject *__pyx_n_s_ipiface; +static PyObject *__pyx_n_s_ipnet; +static PyObject *__pyx_n_s_is_closed; +static PyObject *__pyx_n_s_items; +static PyObject *__pyx_n_u_items; +static PyObject *__pyx_n_s_len; +static PyObject *__pyx_kp_u_length_must_be_between_32_36_ch; +static PyObject *__pyx_kp_u_list_or_tuple_expected_got_type; +static PyObject *__pyx_n_s_main; +static PyObject *__pyx_n_s_microsecond; +static PyObject *__pyx_n_s_microseconds; +static PyObject *__pyx_n_s_minute; +static PyObject *__pyx_n_s_minutes; +static PyObject *__pyx_n_s_month; +static PyObject *__pyx_n_s_mro; +static PyObject *__pyx_n_u_n; +static PyObject *__pyx_n_s_name; +static PyObject *__pyx_n_s_negative_infinity_date; +static PyObject *__pyx_n_s_negative_infinity_datetime; +static PyObject *__pyx_kp_u_negative_length_for_a_len_prefix; +static PyObject *__pyx_n_s_network; +static PyObject *__pyx_n_s_network_address; +static PyObject *__pyx_n_s_new; +static PyObject *__pyx_kp_s_no_default___reduce___due_to_non; +static PyObject *__pyx_kp_u_no_message_to_consume; +static PyObject *__pyx_kp_u_no_message_to_discard; +static PyObject *__pyx_n_s_node; +static PyObject *__pyx_kp_u_not_enough_data_to_read_bytes; +static PyObject *__pyx_kp_u_not_enough_data_to_read_one_byte; +static PyObject *__pyx_n_s_now; +static PyObject *__pyx_kp_u_null_value_not_allowed_in_hstore; +static PyObject *__pyx_kp_u_numeric_type_does_not_support_in; +static PyObject *__pyx_n_s_packed; +static PyObject *__pyx_kp_u_path_value_too_long; +static PyObject *__pyx_n_s_pg_epoch_date; +static PyObject *__pyx_n_s_pg_epoch_datetime; +static PyObject *__pyx_n_s_pg_epoch_datetime_utc; +static PyObject *__pyx_n_s_pgproto_types; +static PyObject *__pyx_n_s_pickle; +static PyObject *__pyx_kp_u_polygon_value_too_long; +static PyObject *__pyx_n_s_popleft; +static PyObject *__pyx_n_s_prefixlen; +static PyObject *__pyx_n_s_print; +static PyObject *__pyx_n_s_pyx_PickleError; +static PyObject *__pyx_n_s_pyx_checksum; +static PyObject *__pyx_n_s_pyx_result; +static PyObject *__pyx_n_s_pyx_state; +static PyObject *__pyx_n_s_pyx_type; +static PyObject *__pyx_n_s_pyx_unpickle_CodecContext; +static PyObject *__pyx_n_s_pyx_unpickle___UUIDReplaceMe; +static PyObject *__pyx_n_s_pyx_vtable; +static PyObject *__pyx_n_s_range; +static PyObject *__pyx_kp_u_read_null_str_buffer_overread; +static PyObject *__pyx_kp_u_read_null_str_only_works_when_th; +static PyObject *__pyx_n_s_reduce; +static PyObject *__pyx_n_s_reduce_cython; +static PyObject *__pyx_n_s_reduce_ex; +static PyObject *__pyx_kp_u_remaining; +static PyObject *__pyx_n_s_replace; +static PyObject *__pyx_n_s_second; +static PyObject *__pyx_n_s_seconds; +static PyObject *__pyx_n_s_setstate; +static PyObject *__pyx_n_s_setstate_cython; +static PyObject *__pyx_n_s_sign; +static PyObject *__pyx_kp_u_string_is_too_large; +static PyObject *__pyx_kp_u_string_too_long; +static PyObject *__pyx_kp_s_stringsource; +static PyObject *__pyx_n_s_test; +static PyObject *__pyx_kp_u_the_buffer_is_in_read_only_mode; +static PyObject *__pyx_n_s_time; +static PyObject *__pyx_n_s_time_hi_version; +static PyObject *__pyx_n_s_time_low; +static PyObject *__pyx_n_s_time_mid; +static PyObject *__pyx_kp_u_time_tuple_encoder_expecting_1_e; +static PyObject *__pyx_kp_u_time_tuple_encoder_expecting_2_e; +static PyObject *__pyx_n_s_timedelta; +static PyObject *__pyx_n_s_timestamp; +static PyObject *__pyx_kp_u_timestamp_tuple_encoder_expectin; +static PyObject *__pyx_n_s_timezone; +static PyObject *__pyx_n_s_toordinal; +static PyObject *__pyx_kp_u_tuple_id_block_value_out_of_uint; +static PyObject *__pyx_kp_u_tuple_id_offset_value_out_of_uin; +static PyObject *__pyx_kp_u_txid_snapshot_value_is_too_long; +static PyObject *__pyx_n_s_types; +static PyObject *__pyx_n_s_tzinfo; +static PyObject *__pyx_kp_u_unexpected_CIDR_flag_set_in_non; +static PyObject *__pyx_kp_u_unexpected_JSONB_format; +static PyObject *__pyx_kp_u_unexpected_character; +static PyObject *__pyx_n_s_unknown; +static PyObject *__pyx_n_s_update; +static PyObject *__pyx_kp_u_urn_uuid; +static PyObject *__pyx_n_s_utc; +static PyObject *__pyx_n_s_utcoffset; +static PyObject *__pyx_n_s_uuid; +static PyObject *__pyx_kp_u_value_out_of_float32_range; +static PyObject *__pyx_kp_u_value_out_of_int16_range; +static PyObject *__pyx_kp_u_value_out_of_int32_range; +static PyObject *__pyx_kp_u_value_out_of_int64_range; +static PyObject *__pyx_kp_u_value_out_of_uint32_range; +static PyObject *__pyx_n_s_variant; +static PyObject *__pyx_n_s_version; +static PyObject *__pyx_n_s_year; +static int __pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer___cinit__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto */ +static void __pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer_2__dealloc__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto */ +static int __pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer_4__getbuffer__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, Py_buffer *__pyx_v_buffer, int __pyx_v_flags); /* proto */ +static void __pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer_6__releasebuffer__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, CYTHON_UNUSED Py_buffer *__pyx_v_buffer); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer_8__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_11WriteBuffer_10__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_7pgproto_7pgproto_10ReadBuffer___cinit__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_10ReadBuffer_2__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_10ReadBuffer_4__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_15__UUIDReplaceMe___reduce_cython__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_7pgproto_7pgproto_15__UUIDReplaceMe_2__setstate_cython__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_7pgproto_7pgproto_4UUID___cinit__(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *__pyx_v_self); 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+ + /* "asyncpg/pgproto/codecs/numeric.pyx":185 + * # which indicates that trailing zeros in the last input digit + * # should be discarded. + * trailing_fract_zeros_adj = dscale - num_fract_digits # <<<<<<<<<<<<<< + * + * # Maximum possible number of decimal digits in base 10. + */ + __pyx_v_trailing_fract_zeros_adj = (__pyx_v_dscale - __pyx_v_num_fract_digits); + + /* "asyncpg/pgproto/codecs/numeric.pyx":190 + * # The actual number might be up to 3 digits smaller due to + * # leading zeros in first input digit. + * num_pydigits = num_pgdigits * DEC_DIGITS # <<<<<<<<<<<<<< + * if trailing_fract_zeros_adj > 0: + * num_pydigits += trailing_fract_zeros_adj + */ + __pyx_v_num_pydigits = (__pyx_v_num_pgdigits * 4); + + /* "asyncpg/pgproto/codecs/numeric.pyx":191 + * # leading zeros in first input digit. + * num_pydigits = num_pgdigits * DEC_DIGITS + * if trailing_fract_zeros_adj > 0: # <<<<<<<<<<<<<< + * num_pydigits += trailing_fract_zeros_adj + * + */ + __pyx_t_2 = ((__pyx_v_trailing_fract_zeros_adj > 0) != 0); 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if (unlikely(!__pyx_t_3)) __PYX_ERR(12, 196, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_3); + __pyx_t_4 = __Pyx_PyNumber_Absolute(__pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(12, 196, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_4); + __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; + __pyx_t_7 = __Pyx_PyInt_As_int64_t(__pyx_t_4); if (unlikely((__pyx_t_7 == ((int64_t)-1)) && PyErr_Occurred())) __PYX_ERR(12, 196, __pyx_L1_error) + __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; + __pyx_v_abs_exponent = __pyx_t_7; + + /* "asyncpg/pgproto/codecs/numeric.pyx":197 + * exponent = (weight + 1) * DEC_DIGITS - front_padding + * abs_exponent = abs(exponent) + * if abs_exponent != 0: # <<<<<<<<<<<<<< + * # Number of characters required to render absolute exponent value + * # in decimal. + */ + __pyx_t_2 = ((__pyx_v_abs_exponent != 0) != 0); + if (__pyx_t_2) { + + /* "asyncpg/pgproto/codecs/numeric.pyx":200 + * # Number of characters required to render absolute exponent value + * # in decimal. + * exponent_chars = log10(abs_exponent) + 1 # <<<<<<<<<<<<<< + * else: + * exponent_chars = 0 + */ + __pyx_v_exponent_chars = (((Py_ssize_t)log10(((double)__pyx_v_abs_exponent))) + 1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":197 + * exponent = (weight + 1) * DEC_DIGITS - front_padding + * abs_exponent = abs(exponent) + * if abs_exponent != 0: # <<<<<<<<<<<<<< + * # Number of characters required to render absolute exponent value + * # in decimal. + */ + goto __pyx_L8; + } + + /* "asyncpg/pgproto/codecs/numeric.pyx":202 + * exponent_chars = log10(abs_exponent) + 1 + * else: + * exponent_chars = 0 # <<<<<<<<<<<<<< + * + * # Output buffer size. + */ + /*else*/ { + __pyx_v_exponent_chars = 0; + } + __pyx_L8:; + + /* "asyncpg/pgproto/codecs/numeric.pyx":212 + * 1 + # possible trailing zero padding + * 2 + # exponent indicator (E-,E+) + * exponent_chars + # exponent # <<<<<<<<<<<<<< + * 1 # null terminator char + * ) + */ + __pyx_v_buf_size = (((((3 + __pyx_v_num_pydigits) + 1) + 2) + __pyx_v_exponent_chars) + 1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":216 + * ) + * + * if buf_size > _NUMERIC_DECODER_SMALLBUF_SIZE: # <<<<<<<<<<<<<< + * charbuf = cpython.PyMem_Malloc(buf_size) + * buf_allocated = True + */ + __pyx_t_2 = ((__pyx_v_buf_size > 0x100) != 0); 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+ + /* "asyncpg/pgproto/codecs/numeric.pyx":225 + * bufptr = charbuf + * + * if sign == NUMERIC_NEG: # <<<<<<<<<<<<<< + * bufptr[0] = b'-' + * bufptr += 1 + */ + __pyx_t_2 = ((__pyx_v_sign == 0x4000) != 0); + if (__pyx_t_2) { + + /* "asyncpg/pgproto/codecs/numeric.pyx":226 + * + * if sign == NUMERIC_NEG: + * bufptr[0] = b'-' # <<<<<<<<<<<<<< + * bufptr += 1 + * + */ + (__pyx_v_bufptr[0]) = '-'; + + /* "asyncpg/pgproto/codecs/numeric.pyx":227 + * if sign == NUMERIC_NEG: + * bufptr[0] = b'-' + * bufptr += 1 # <<<<<<<<<<<<<< + * + * bufptr[0] = b'0' + */ + __pyx_v_bufptr = (__pyx_v_bufptr + 1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":225 + * bufptr = charbuf + * + * if sign == NUMERIC_NEG: # <<<<<<<<<<<<<< + * bufptr[0] = b'-' + * bufptr += 1 + */ + } + + /* "asyncpg/pgproto/codecs/numeric.pyx":229 + * bufptr += 1 + * + * bufptr[0] = b'0' # <<<<<<<<<<<<<< + * bufptr[1] = b'.' + * bufptr += 2 + */ + (__pyx_v_bufptr[0]) = '0'; + + /* "asyncpg/pgproto/codecs/numeric.pyx":230 + * + * bufptr[0] = b'0' + * bufptr[1] = b'.' # <<<<<<<<<<<<<< + * bufptr += 2 + * + */ + (__pyx_v_bufptr[1]) = '.'; 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+ } + __pyx_L14:; + + /* "asyncpg/pgproto/codecs/numeric.pyx":238 + * bufptr = _unpack_digit(bufptr, pgdigit0) + * + * for i in range(1, num_pgdigits): # <<<<<<<<<<<<<< + * pgdigit = hton.unpack_int16(frb_read(buf, 2)) + * bufptr = _unpack_digit(bufptr, pgdigit) + */ + __pyx_t_8 = __pyx_v_num_pgdigits; + __pyx_t_9 = __pyx_t_8; + for (__pyx_t_10 = 1; __pyx_t_10 < __pyx_t_9; __pyx_t_10+=1) { + __pyx_v_i = __pyx_t_10; + + /* "asyncpg/pgproto/codecs/numeric.pyx":239 + * + * for i in range(1, num_pgdigits): + * pgdigit = hton.unpack_int16(frb_read(buf, 2)) # <<<<<<<<<<<<<< + * bufptr = _unpack_digit(bufptr, pgdigit) + * + */ + __pyx_t_1 = __pyx_f_7asyncpg_7pgproto_7pgproto_frb_read(__pyx_v_buf, 2); if (unlikely(__pyx_t_1 == ((char const *)NULL))) __PYX_ERR(12, 239, __pyx_L11_error) + __pyx_v_pgdigit = unpack_int16(__pyx_t_1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":240 + * for i in range(1, num_pgdigits): + * pgdigit = hton.unpack_int16(frb_read(buf, 2)) + * bufptr = _unpack_digit(bufptr, pgdigit) # <<<<<<<<<<<<<< + * + * if dscale: + */ + __pyx_v_bufptr = __pyx_f_7asyncpg_7pgproto_7pgproto__unpack_digit(__pyx_v_bufptr, __pyx_v_pgdigit); 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+ if (__pyx_t_2) { + + /* "asyncpg/pgproto/codecs/numeric.pyx":256 + * # and if so, add another trailing zero, so the result always + * # appears with a decimal point. + * actual_num_pydigits = bufptr - charbuf - 2 # <<<<<<<<<<<<<< + * if sign == NUMERIC_NEG: + * actual_num_pydigits -= 1 + */ + __pyx_v_actual_num_pydigits = ((__pyx_v_bufptr - __pyx_v_charbuf) - 2); + + /* "asyncpg/pgproto/codecs/numeric.pyx":257 + * # appears with a decimal point. + * actual_num_pydigits = bufptr - charbuf - 2 + * if sign == NUMERIC_NEG: # <<<<<<<<<<<<<< + * actual_num_pydigits -= 1 + * + */ + __pyx_t_2 = ((__pyx_v_sign == 0x4000) != 0); + if (__pyx_t_2) { + + /* "asyncpg/pgproto/codecs/numeric.pyx":258 + * actual_num_pydigits = bufptr - charbuf - 2 + * if sign == NUMERIC_NEG: + * actual_num_pydigits -= 1 # <<<<<<<<<<<<<< + * + * if actual_num_pydigits == abs_exponent: + */ + __pyx_v_actual_num_pydigits = (__pyx_v_actual_num_pydigits - 1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":257 + * # appears with a decimal point. + * actual_num_pydigits = bufptr - charbuf - 2 + * if sign == NUMERIC_NEG: # <<<<<<<<<<<<<< + * actual_num_pydigits -= 1 + * + */ + } + + /* "asyncpg/pgproto/codecs/numeric.pyx":260 + * actual_num_pydigits -= 1 + * + * if actual_num_pydigits == abs_exponent: # <<<<<<<<<<<<<< + * bufptr[0] = b'0' + * bufptr += 1 + */ + __pyx_t_2 = ((__pyx_v_actual_num_pydigits == __pyx_v_abs_exponent) != 0); + if (__pyx_t_2) { + + /* "asyncpg/pgproto/codecs/numeric.pyx":261 + * + * if actual_num_pydigits == abs_exponent: + * bufptr[0] = b'0' # <<<<<<<<<<<<<< + * bufptr += 1 + * + */ + (__pyx_v_bufptr[0]) = ((char)'0'); + + /* "asyncpg/pgproto/codecs/numeric.pyx":262 + * if actual_num_pydigits == abs_exponent: + * bufptr[0] = b'0' + * bufptr += 1 # <<<<<<<<<<<<<< + * + * if exponent != 0: + */ + __pyx_v_bufptr = (__pyx_v_bufptr + 1); + + /* "asyncpg/pgproto/codecs/numeric.pyx":260 + * actual_num_pydigits -= 1 + * + * if actual_num_pydigits == abs_exponent: # <<<<<<<<<<<<<< + * bufptr[0] = b'0' + * bufptr += 1 + */ + } + + /* "asyncpg/pgproto/codecs/numeric.pyx":252 + * bufptr += trailing_fract_zeros_adj + * + * if trail_fract_zero: # <<<<<<<<<<<<<< + * # Check if the number of rendered digits matches the exponent, + * # and if so, add another trailing zero, so the result always + */ + } + + /* "asyncpg/pgproto/codecs/numeric.pyx":264 + * bufptr += 1 + * + * if exponent != 0: # <<<<<<<<<<<<<< + * bufptr[0] = b'E' + * if exponent < 0: + */ + __pyx_t_2 = ((__pyx_v_exponent != 0) != 0); 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+ } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static PyMethodDef __pyx_methods_7asyncpg_7pgproto_7pgproto_WriteBuffer[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_11WriteBuffer_9__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_11WriteBuffer_11__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyBufferProcs __pyx_tp_as_buffer_WriteBuffer = { + #if PY_MAJOR_VERSION < 3 + 0, /*bf_getreadbuffer*/ + #endif + #if PY_MAJOR_VERSION < 3 + 0, /*bf_getwritebuffer*/ + #endif + #if PY_MAJOR_VERSION < 3 + 0, /*bf_getsegcount*/ + #endif + #if PY_MAJOR_VERSION < 3 + 0, /*bf_getcharbuffer*/ + #endif + __pyx_pw_7asyncpg_7pgproto_7pgproto_11WriteBuffer_5__getbuffer__, /*bf_getbuffer*/ + __pyx_pw_7asyncpg_7pgproto_7pgproto_11WriteBuffer_7__releasebuffer__, /*bf_releasebuffer*/ +}; + +static PyTypeObject __pyx_type_7asyncpg_7pgproto_7pgproto_WriteBuffer = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.pgproto.pgproto.WriteBuffer", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_WriteBuffer, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + &__pyx_tp_as_buffer_WriteBuffer, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_7pgproto_7pgproto_WriteBuffer, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_7pgproto_7pgproto_WriteBuffer, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer __pyx_vtable_7asyncpg_7pgproto_7pgproto_ReadBuffer; + +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_freelist_7asyncpg_7pgproto_7pgproto_ReadBuffer[256]; +static int __pyx_freecount_7asyncpg_7pgproto_7pgproto_ReadBuffer = 0; + +static PyObject *__pyx_tp_new_7asyncpg_7pgproto_7pgproto_ReadBuffer(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *p; + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_7pgproto_7pgproto_ReadBuffer > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_7pgproto_7pgproto_ReadBuffer[--__pyx_freecount_7asyncpg_7pgproto_7pgproto_ReadBuffer]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + p = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_7pgproto_7pgproto_ReadBuffer; + p->_bufs = Py_None; Py_INCREF(Py_None); + p->_bufs_append = Py_None; Py_INCREF(Py_None); + p->_bufs_popleft = Py_None; Py_INCREF(Py_None); + p->_buf0 = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_buf0_prev = ((PyObject*)Py_None); Py_INCREF(Py_None); + if (unlikely(__pyx_pw_7asyncpg_7pgproto_7pgproto_10ReadBuffer_1__cinit__(o, __pyx_empty_tuple, NULL) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_ReadBuffer(PyObject *o) { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *p = (struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->_bufs); + Py_CLEAR(p->_bufs_append); + Py_CLEAR(p->_bufs_popleft); + Py_CLEAR(p->_buf0); + Py_CLEAR(p->_buf0_prev); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_7pgproto_7pgproto_ReadBuffer < 256) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer)))) { + __pyx_freelist_7asyncpg_7pgproto_7pgproto_ReadBuffer[__pyx_freecount_7asyncpg_7pgproto_7pgproto_ReadBuffer++] = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_7pgproto_7pgproto_ReadBuffer(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *p = (struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)o; + if (p->_bufs) { + e = (*v)(p->_bufs, a); if (e) return e; + } + if (p->_bufs_append) { + e = (*v)(p->_bufs_append, a); if (e) return e; + } + if (p->_bufs_popleft) { + e = (*v)(p->_bufs_popleft, a); if (e) return e; + } + return 0; +} + +static PyMethodDef __pyx_methods_7asyncpg_7pgproto_7pgproto_ReadBuffer[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_10ReadBuffer_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_10ReadBuffer_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_7pgproto_7pgproto_ReadBuffer = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.pgproto.pgproto.ReadBuffer", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_ReadBuffer, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_7pgproto_7pgproto_ReadBuffer, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_7pgproto_7pgproto_ReadBuffer, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_7pgproto_7pgproto_ReadBuffer, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext __pyx_vtable_7asyncpg_7pgproto_7pgproto_CodecContext; + +static PyObject *__pyx_tp_new_7asyncpg_7pgproto_7pgproto_CodecContext(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *p; + PyObject *o; + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_7pgproto_7pgproto_CodecContext; + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_CodecContext(PyObject *o) { + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && (!PyType_IS_GC(Py_TYPE(o)) || !_PyGC_FINALIZED(o))) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + (*Py_TYPE(o)->tp_free)(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_7pgproto_7pgproto_CodecContext[] = { + {"get_text_codec", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_12CodecContext_1get_text_codec, METH_NOARGS, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_12CodecContext_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_12CodecContext_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_7pgproto_7pgproto_CodecContext = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.pgproto.pgproto.CodecContext", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_CodecContext, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_7pgproto_7pgproto_CodecContext, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_7pgproto_7pgproto_CodecContext, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static PyObject *__pyx_tp_new_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe(PyObject *o) { + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && (!PyType_IS_GC(Py_TYPE(o)) || !_PyGC_FINALIZED(o))) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + (*Py_TYPE(o)->tp_free)(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_15__UUIDReplaceMe_1__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_15__UUIDReplaceMe_3__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.pgproto.pgproto.__UUIDReplaceMe", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static PyObject *__pyx_tp_new_7asyncpg_7pgproto_7pgproto_UUID(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *p; + PyObject *o = __pyx_tp_new_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe(t, a, k); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *)o); + p->_int = Py_None; Py_INCREF(Py_None); + p->_hash = Py_None; Py_INCREF(Py_None); + if (unlikely(__pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_1__cinit__(o, __pyx_empty_tuple, NULL) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_UUID(PyObject *o) { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *p = (struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *)o; + PyObject_GC_UnTrack(o); + if (p->__weakref__) PyObject_ClearWeakRefs(o); + Py_CLEAR(p->_int); + Py_CLEAR(p->_hash); + #if CYTHON_USE_TYPE_SLOTS + if (PyType_IS_GC(Py_TYPE(o)->tp_base)) + #endif + PyObject_GC_Track(o); + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe(o); +} + +static int __pyx_tp_traverse_7asyncpg_7pgproto_7pgproto_UUID(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *p = (struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID *)o; + e = ((likely(__pyx_ptype_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe)) ? ((__pyx_ptype_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe->tp_traverse) ? __pyx_ptype_7asyncpg_7pgproto_7pgproto___UUIDReplaceMe->tp_traverse(o, v, a) : 0) : __Pyx_call_next_tp_traverse(o, v, a, __pyx_tp_traverse_7asyncpg_7pgproto_7pgproto_UUID)); if (e) return e; + if (p->_int) { + e = (*v)(p->_int, a); if (e) return e; + } + if (p->_hash) { + e = (*v)(p->_hash, a); if (e) return e; + } + return 0; +} + +static PyObject *__pyx_tp_richcompare_7asyncpg_7pgproto_7pgproto_UUID(PyObject *o1, PyObject *o2, int op) { + switch (op) { + case Py_EQ: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_11__eq__(o1, o2); + } + case Py_NE: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_13__ne__(o1, o2); + } + case Py_LT: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_15__lt__(o1, o2); + } + case Py_GT: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_17__gt__(o1, o2); + } + case Py_LE: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_19__le__(o1, o2); + } + case Py_GE: { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_21__ge__(o1, o2); + } + default: { + return __Pyx_NewRef(Py_NotImplemented); + } + } +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_bytes(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_5bytes_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_int(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_3int_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_is_safe(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_7is_safe_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_hex(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_3hex_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_bytes_le(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_8bytes_le_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_fields(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_6fields_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_low(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_8time_low_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_mid(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_8time_mid_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_hi_version(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_15time_hi_version_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq_hi_variant(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_20clock_seq_hi_variant_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq_low(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_13clock_seq_low_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_4time_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_9clock_seq_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_node(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_4node_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_urn(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_3urn_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_variant(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_7variant_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_version(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_7version_1__get__(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_7pgproto_7pgproto_UUID[] = { + {"__reduce__", (PyCFunction)__pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_9__reduce__, METH_NOARGS, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7asyncpg_7pgproto_7pgproto_UUID[] = { + {(char *)"bytes", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_bytes, 0, (char *)0, 0}, + {(char *)"int", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_int, 0, (char *)0, 0}, + {(char *)"is_safe", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_is_safe, 0, (char *)0, 0}, + {(char *)"hex", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_hex, 0, (char *)0, 0}, + {(char *)"bytes_le", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_bytes_le, 0, (char *)0, 0}, + {(char *)"fields", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_fields, 0, (char *)0, 0}, + {(char *)"time_low", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_low, 0, (char *)0, 0}, + {(char *)"time_mid", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_mid, 0, (char *)0, 0}, + {(char *)"time_hi_version", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time_hi_version, 0, (char *)0, 0}, + {(char *)"clock_seq_hi_variant", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq_hi_variant, 0, (char *)0, 0}, + {(char *)"clock_seq_low", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq_low, 0, (char *)0, 0}, + {(char *)"time", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_time, 0, (char *)0, 0}, + {(char *)"clock_seq", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_clock_seq, 0, (char *)0, 0}, + {(char *)"node", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_node, 0, (char *)0, 0}, + {(char *)"urn", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_urn, 0, (char *)0, 0}, + {(char *)"variant", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_variant, 0, (char *)0, 0}, + {(char *)"version", __pyx_getprop_7asyncpg_7pgproto_7pgproto_4UUID_version, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyNumberMethods __pyx_tp_as_number_UUID = { + 0, /*nb_add*/ + 0, /*nb_subtract*/ + 0, /*nb_multiply*/ + #if PY_MAJOR_VERSION < 3 || (CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03050000) + 0, /*nb_divide*/ + #endif + 0, /*nb_remainder*/ + 0, /*nb_divmod*/ + 0, /*nb_power*/ + 0, /*nb_negative*/ + 0, /*nb_positive*/ + 0, /*nb_absolute*/ + 0, /*nb_nonzero*/ + 0, /*nb_invert*/ + 0, /*nb_lshift*/ + 0, /*nb_rshift*/ + 0, /*nb_and*/ + 0, /*nb_xor*/ + 0, /*nb_or*/ + #if PY_MAJOR_VERSION < 3 || (CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03050000) + 0, /*nb_coerce*/ + #endif + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_25__int__, /*nb_int*/ + #if PY_MAJOR_VERSION < 3 + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_25__int__, /*nb_long*/ + #else + 0, /*reserved*/ + #endif + 0, /*nb_float*/ + #if PY_MAJOR_VERSION < 3 || (CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03050000) + 0, /*nb_oct*/ + #endif + #if PY_MAJOR_VERSION < 3 || (CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03050000) + 0, /*nb_hex*/ + #endif + 0, /*nb_inplace_add*/ + 0, /*nb_inplace_subtract*/ + 0, /*nb_inplace_multiply*/ + #if PY_MAJOR_VERSION < 3 || (CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x03050000) + 0, /*nb_inplace_divide*/ + #endif + 0, /*nb_inplace_remainder*/ + 0, /*nb_inplace_power*/ + 0, /*nb_inplace_lshift*/ + 0, /*nb_inplace_rshift*/ + 0, /*nb_inplace_and*/ + 0, /*nb_inplace_xor*/ + 0, /*nb_inplace_or*/ + 0, /*nb_floor_divide*/ + 0, /*nb_true_divide*/ + 0, /*nb_inplace_floor_divide*/ + 0, /*nb_inplace_true_divide*/ + 0, /*nb_index*/ + #if PY_VERSION_HEX >= 0x03050000 + 0, /*nb_matrix_multiply*/ + #endif + #if PY_VERSION_HEX >= 0x03050000 + 0, /*nb_inplace_matrix_multiply*/ + #endif +}; + +static PyTypeObject __pyx_type_7asyncpg_7pgproto_7pgproto_UUID = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.pgproto.pgproto.UUID", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_UUID), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_7pgproto_7pgproto_UUID, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_7__repr__, /*tp_repr*/ + &__pyx_tp_as_number_UUID, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_23__hash__, /*tp_hash*/ + 0, /*tp_call*/ + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_5__str__, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_7pgproto_7pgproto_UUID, /*tp_traverse*/ + 0, /*tp_clear*/ + __pyx_tp_richcompare_7asyncpg_7pgproto_7pgproto_UUID, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_7pgproto_7pgproto_UUID, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7asyncpg_7pgproto_7pgproto_UUID, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7asyncpg_7pgproto_7pgproto_4UUID_3__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_7pgproto_7pgproto_UUID, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static PyMethodDef __pyx_methods[] = { + {0, 0, 0, 0} +}; + +#if PY_MAJOR_VERSION >= 3 +#if CYTHON_PEP489_MULTI_PHASE_INIT +static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/ +static int __pyx_pymod_exec_pgproto(PyObject* module); /*proto*/ +static PyModuleDef_Slot __pyx_moduledef_slots[] = { + {Py_mod_create, (void*)__pyx_pymod_create}, + {Py_mod_exec, (void*)__pyx_pymod_exec_pgproto}, + {0, NULL} +}; +#endif + +static struct PyModuleDef __pyx_moduledef = { + PyModuleDef_HEAD_INIT, + "pgproto", + 0, /* m_doc */ + #if CYTHON_PEP489_MULTI_PHASE_INIT + 0, /* m_size */ + #else + -1, /* m_size */ + #endif + __pyx_methods /* m_methods */, + #if 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+ } + Py_CLEAR(__pyx_m); + } else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_ImportError, "init asyncpg.pgproto.pgproto"); + } + __pyx_L0:; + __Pyx_RefNannyFinishContext(); + #if CYTHON_PEP489_MULTI_PHASE_INIT + return (__pyx_m != NULL) ? 0 : -1; + #elif PY_MAJOR_VERSION >= 3 + return __pyx_m; + #else + return; + #endif +} + +/* --- Runtime support code --- */ +/* Refnanny */ +#if CYTHON_REFNANNY +static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) { + PyObject *m = NULL, *p = NULL; + void *r = NULL; + m = PyImport_ImportModule(modname); + if (!m) goto end; + p = PyObject_GetAttrString(m, "RefNannyAPI"); + if (!p) goto end; + r = PyLong_AsVoidPtr(p); +end: + Py_XDECREF(p); + Py_XDECREF(m); + return (__Pyx_RefNannyAPIStruct *)r; +} +#endif + +/* PyObjectGetAttrStr */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) { + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro)) + return tp->tp_getattro(obj, attr_name); +#if PY_MAJOR_VERSION < 3 + if (likely(tp->tp_getattr)) + return tp->tp_getattr(obj, PyString_AS_STRING(attr_name)); +#endif + return PyObject_GetAttr(obj, attr_name); +} +#endif + +/* GetBuiltinName */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name) { + PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name); + if (unlikely(!result)) { + PyErr_Format(PyExc_NameError, +#if PY_MAJOR_VERSION >= 3 + "name '%U' is not defined", name); +#else + "name '%.200s' is not defined", PyString_AS_STRING(name)); +#endif + } + return result; +} + +/* CIntToDigits */ +static const char DIGIT_PAIRS_10[2*10*10+1] = { + "00010203040506070809" + "10111213141516171819" + "20212223242526272829" + "30313233343536373839" + "40414243444546474849" + "50515253545556575859" + "60616263646566676869" + "70717273747576777879" + "80818283848586878889" + "90919293949596979899" +}; +static const char DIGIT_PAIRS_8[2*8*8+1] = { + "0001020304050607" + "1011121314151617" + "2021222324252627" + "3031323334353637" + "4041424344454647" + "5051525354555657" + "6061626364656667" + "7071727374757677" +}; +static const char DIGITS_HEX[2*16+1] = { + "0123456789abcdef" + "0123456789ABCDEF" +}; + +/* BuildPyUnicode */ +static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength, + int prepend_sign, char padding_char) { + PyObject *uval; + Py_ssize_t uoffset = ulength - clength; +#if CYTHON_USE_UNICODE_INTERNALS + Py_ssize_t i; +#if CYTHON_PEP393_ENABLED + void *udata; + uval = PyUnicode_New(ulength, 127); + if (unlikely(!uval)) return NULL; + udata = PyUnicode_DATA(uval); +#else + Py_UNICODE *udata; + uval = PyUnicode_FromUnicode(NULL, ulength); + if (unlikely(!uval)) return NULL; + udata = PyUnicode_AS_UNICODE(uval); +#endif + if (uoffset > 0) { + i = 0; + if (prepend_sign) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-'); + i++; + } + for (; i < uoffset; i++) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char); + } + } + for (i=0; i < clength; i++) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]); + } +#else + { + PyObject *sign = NULL, *padding = NULL; + uval = NULL; + if (uoffset > 0) { + prepend_sign = !!prepend_sign; + if (uoffset > prepend_sign) { + padding = PyUnicode_FromOrdinal(padding_char); + if (likely(padding) && uoffset > prepend_sign + 1) { + PyObject *tmp; + PyObject *repeat = PyInt_FromSize_t(uoffset - prepend_sign); + if (unlikely(!repeat)) goto done_or_error; + tmp = PyNumber_Multiply(padding, repeat); + Py_DECREF(repeat); + Py_DECREF(padding); + padding = tmp; + } + if (unlikely(!padding)) goto done_or_error; + } + if (prepend_sign) { + sign = PyUnicode_FromOrdinal('-'); + if (unlikely(!sign)) goto done_or_error; + } + } + uval = PyUnicode_DecodeASCII(chars, clength, NULL); + if (likely(uval) && padding) { + PyObject *tmp = PyNumber_Add(padding, uval); + Py_DECREF(uval); + uval = tmp; + } + if (likely(uval) && sign) { + PyObject *tmp = PyNumber_Add(sign, uval); + Py_DECREF(uval); + uval = tmp; + } +done_or_error: + Py_XDECREF(padding); + Py_XDECREF(sign); + } +#endif + return uval; +} + +/* CIntToPyUnicode */ +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned short uint16_t; + #else + typedef unsigned __int16 uint16_t; + #endif + #endif +#else + #include +#endif +#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) +#define GCC_DIAGNOSTIC +#endif +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char) { + char digits[sizeof(Py_ssize_t)*3+2]; + char *dpos, *end = digits + sizeof(Py_ssize_t)*3+2; + const char *hex_digits = DIGITS_HEX; + Py_ssize_t length, ulength; + int prepend_sign, last_one_off; + Py_ssize_t remaining; +#ifdef GCC_DIAGNOSTIC +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wconversion" +#endif + const Py_ssize_t neg_one = (Py_ssize_t) -1, const_zero = (Py_ssize_t) 0; +#ifdef GCC_DIAGNOSTIC +#pragma GCC diagnostic pop +#endif + const int is_unsigned = neg_one > const_zero; + if (format_char == 'X') { + hex_digits += 16; + format_char = 'x'; + } + remaining = value; + last_one_off = 0; + dpos = end; + do { + int digit_pos; + switch (format_char) { + case 'o': + digit_pos = abs((int)(remaining % (8*8))); + remaining = (Py_ssize_t) (remaining / (8*8)); + dpos -= 2; + *(uint16_t*)dpos = ((const uint16_t*)DIGIT_PAIRS_8)[digit_pos]; + last_one_off = (digit_pos < 8); + break; + case 'd': + digit_pos = abs((int)(remaining % (10*10))); + remaining = (Py_ssize_t) (remaining / (10*10)); + dpos -= 2; + *(uint16_t*)dpos = ((const uint16_t*)DIGIT_PAIRS_10)[digit_pos]; + last_one_off = (digit_pos < 10); + break; + case 'x': + *(--dpos) = hex_digits[abs((int)(remaining % 16))]; + remaining = (Py_ssize_t) (remaining / 16); + break; + default: + assert(0); + break; + } + } while (unlikely(remaining != 0)); + if (last_one_off) { + assert(*dpos == '0'); + dpos++; + } + length = end - dpos; + ulength = length; + prepend_sign = 0; + if (!is_unsigned && value <= neg_one) { + if (padding_char == ' ' || width <= length + 1) { + *(--dpos) = '-'; + ++length; + } else { + prepend_sign = 1; + } + ++ulength; + } + if (width > ulength) { + ulength = width; + } + if (ulength == 1) { + return PyUnicode_FromOrdinal(*dpos); + } + return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char); +} + +/* JoinPyUnicode */ +static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength, + CYTHON_UNUSED Py_UCS4 max_char) { +#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + PyObject *result_uval; + int result_ukind; + Py_ssize_t i, char_pos; + void *result_udata; +#if CYTHON_PEP393_ENABLED + result_uval = PyUnicode_New(result_ulength, max_char); + if (unlikely(!result_uval)) return NULL; + result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND; + result_udata = PyUnicode_DATA(result_uval); +#else + result_uval = PyUnicode_FromUnicode(NULL, result_ulength); + if (unlikely(!result_uval)) return NULL; + result_ukind = sizeof(Py_UNICODE); + result_udata = PyUnicode_AS_UNICODE(result_uval); +#endif + char_pos = 0; + for (i=0; i < value_count; i++) { + int ukind; + Py_ssize_t ulength; + void *udata; + PyObject *uval = PyTuple_GET_ITEM(value_tuple, i); + if (unlikely(__Pyx_PyUnicode_READY(uval))) + goto bad; + ulength = __Pyx_PyUnicode_GET_LENGTH(uval); + if (unlikely(!ulength)) + continue; + if (unlikely(char_pos + ulength < 0)) + goto overflow; + ukind = __Pyx_PyUnicode_KIND(uval); + udata = __Pyx_PyUnicode_DATA(uval); + if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) { + memcpy((char *)result_udata + char_pos * result_ukind, udata, (size_t) (ulength * result_ukind)); + } else { + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters) + _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength); + #else + Py_ssize_t j; + for (j=0; j < ulength; j++) { + Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j); + __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar); + } + #endif + } + char_pos += ulength; + } + return result_uval; +overflow: + PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string"); +bad: + Py_DECREF(result_uval); + return NULL; +#else + result_ulength++; + value_count++; + return PyUnicode_Join(__pyx_empty_unicode, value_tuple); +#endif +} + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* KeywordStringCheck */ +static int __Pyx_CheckKeywordStrings( + PyObject *kwdict, + const char* function_name, + int kw_allowed) +{ + PyObject* key = 0; + Py_ssize_t pos = 0; +#if CYTHON_COMPILING_IN_PYPY + if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0)) + goto invalid_keyword; + return 1; +#else + while (PyDict_Next(kwdict, &pos, &key, 0)) { + #if PY_MAJOR_VERSION < 3 + if (unlikely(!PyString_Check(key))) + #endif + if (unlikely(!PyUnicode_Check(key))) + goto invalid_keyword_type; + } + if ((!kw_allowed) && unlikely(key)) + goto invalid_keyword; + return 1; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + return 0; +#endif +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif + return 0; +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* WriteUnraisableException */ +static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno, + CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename, + int full_traceback, CYTHON_UNUSED int nogil) { + PyObject *old_exc, *old_val, *old_tb; + PyObject *ctx; + __Pyx_PyThreadState_declare +#ifdef WITH_THREAD + PyGILState_STATE state; + if (nogil) + state = PyGILState_Ensure(); +#ifdef _MSC_VER + else state = (PyGILState_STATE)-1; +#endif +#endif + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&old_exc, &old_val, &old_tb); + if (full_traceback) { + Py_XINCREF(old_exc); + Py_XINCREF(old_val); + Py_XINCREF(old_tb); + __Pyx_ErrRestore(old_exc, old_val, old_tb); + PyErr_PrintEx(1); + } + #if PY_MAJOR_VERSION < 3 + ctx = PyString_FromString(name); + #else + ctx = PyUnicode_FromString(name); + #endif + __Pyx_ErrRestore(old_exc, old_val, old_tb); + if (!ctx) { + PyErr_WriteUnraisable(Py_None); + } else { + PyErr_WriteUnraisable(ctx); + Py_DECREF(ctx); + } +#ifdef WITH_THREAD + if (nogil) + PyGILState_Release(state); +#endif +} + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* GetItemInt */ +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { + PyObject *r; + if (!j) return NULL; + r = PyObject_GetItem(o, j); + Py_DECREF(j); + return r; +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyList_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyTuple_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS + if (is_list || PyList_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); + if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { + PyObject *r = PyList_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } + else if (PyTuple_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); + if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } else { + PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; + if (likely(m && m->sq_item)) { + if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { + Py_ssize_t l = m->sq_length(o); + if (likely(l >= 0)) { + i += l; + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + } + return m->sq_item(o, i); + } + } +#else + if (is_list || PySequence_Check(o)) { + return PySequence_GetItem(o, i); + } +#endif + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +/* decode_c_bytes */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes( + const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + if (unlikely((start < 0) | (stop < 0))) { + if (start < 0) { + start += length; + if (start < 0) + start = 0; + } + if (stop < 0) + stop += length; + } + if (stop > length) + stop = length; + if (unlikely(stop <= start)) + return PyUnicode_FromUnicode(NULL, 0); + length = stop - start; + cstring += start; + if (decode_func) { + return decode_func(cstring, length, errors); + } else { + return PyUnicode_Decode(cstring, length, encoding, errors); + } +} + +/* None */ +static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) { + PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname); +} + +/* PyObjectFormatAndDecref */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatSimpleAndDecref(PyObject* s, PyObject* f) { + if (unlikely(!s)) return NULL; + if (likely(PyUnicode_CheckExact(s))) return s; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_CheckExact(s))) { + PyObject *result = PyUnicode_FromEncodedObject(s, NULL, "strict"); + Py_DECREF(s); + return result; + } + #endif + return __Pyx_PyObject_FormatAndDecref(s, f); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatAndDecref(PyObject* s, PyObject* f) { + PyObject *result = PyObject_Format(s, f); + Py_DECREF(s); + return result; +} + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* ObjectGetItem */ +#if CYTHON_USE_TYPE_SLOTS +static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) { + PyObject *runerr; + Py_ssize_t key_value; + PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence; + if (unlikely(!(m && m->sq_item))) { + PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name); + return NULL; + } + key_value = __Pyx_PyIndex_AsSsize_t(index); + if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) { + return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1); + } + if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) { + PyErr_Clear(); + PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name); + } + return NULL; +} +static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) { + PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping; + if (likely(m && m->mp_subscript)) { + return m->mp_subscript(obj, key); + } + return __Pyx_PyObject_GetIndex(obj, key); +} +#endif + +/* SliceObject */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj, + Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice, + int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) { +#if CYTHON_USE_TYPE_SLOTS + PyMappingMethods* mp; +#if PY_MAJOR_VERSION < 3 + PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence; + if (likely(ms && ms->sq_slice)) { + if (!has_cstart) { + if (_py_start && (*_py_start != Py_None)) { + cstart = __Pyx_PyIndex_AsSsize_t(*_py_start); + if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstart = 0; + } + if (!has_cstop) { + if (_py_stop && (*_py_stop != Py_None)) { + cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop); + if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstop = PY_SSIZE_T_MAX; + } + if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) { + Py_ssize_t l = ms->sq_length(obj); + if (likely(l >= 0)) { + if (cstop < 0) { + cstop += l; + if (cstop < 0) cstop = 0; + } + if (cstart < 0) { + cstart += l; + if (cstart < 0) cstart = 0; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + goto bad; + PyErr_Clear(); + } + } + return ms->sq_slice(obj, cstart, cstop); + } +#endif + mp = Py_TYPE(obj)->tp_as_mapping; + if (likely(mp && mp->mp_subscript)) +#endif + { + PyObject* result; + PyObject *py_slice, *py_start, *py_stop; + if (_py_slice) { + py_slice = *_py_slice; + } else { + PyObject* owned_start = NULL; + PyObject* owned_stop = NULL; + if (_py_start) { + py_start = *_py_start; + } else { + if (has_cstart) { + owned_start = py_start = PyInt_FromSsize_t(cstart); + if (unlikely(!py_start)) goto bad; + } else + py_start = Py_None; + } + if (_py_stop) { + py_stop = *_py_stop; + } else { + if (has_cstop) { + owned_stop = py_stop = PyInt_FromSsize_t(cstop); + if (unlikely(!py_stop)) { + Py_XDECREF(owned_start); + goto bad; + } + } else + py_stop = Py_None; + } + py_slice = PySlice_New(py_start, py_stop, Py_None); + Py_XDECREF(owned_start); + Py_XDECREF(owned_stop); + if (unlikely(!py_slice)) goto bad; + } +#if CYTHON_USE_TYPE_SLOTS + result = mp->mp_subscript(obj, py_slice); +#else + result = PyObject_GetItem(obj, py_slice); +#endif + if (!_py_slice) { + Py_DECREF(py_slice); + } + return result; + } + PyErr_Format(PyExc_TypeError, + "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name); +bad: + return NULL; +} + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AndObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long a = PyInt_AS_LONG(op1); + return PyInt_FromLong(a & b); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + const long b = intval; + long a, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG llb = intval; + PY_LONG_LONG lla, llx; +#endif + const digit* digits = ((PyLongObject*)op1)->ob_digit; + const Py_ssize_t size = Py_SIZE(op1); + if (likely(__Pyx_sst_abs(size) <= 1)) { + a = likely(size) ? digits[0] : 0; + if (size == -1) a = -a; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_and(op1, op2); + } + } + x = a & b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla & llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + return (inplace ? PyNumber_InPlaceAnd : PyNumber_And)(op1, op2); +} +#endif + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_RshiftObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long a = PyInt_AS_LONG(op1); + return PyInt_FromLong(a >> b); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + const long b = intval; + long a, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG llb = intval; + PY_LONG_LONG lla, llx; +#endif + const digit* digits = ((PyLongObject*)op1)->ob_digit; + const Py_ssize_t size = Py_SIZE(op1); + if (likely(__Pyx_sst_abs(size) <= 1)) { + a = likely(size) ? digits[0] : 0; + if (size == -1) a = -a; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_rshift(op1, op2); + } + } + x = a >> b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla >> llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + return (inplace ? PyNumber_InPlaceRshift : PyNumber_Rshift)(op1, op2); +} +#endif + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_LshiftObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long a = PyInt_AS_LONG(op1); + if (likely(b < (long) (sizeof(long)*8) && a == (a << b) >> b) || !a) { + return PyInt_FromLong(a << b); + } + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + const long b = intval; + long a, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG llb = intval; + PY_LONG_LONG lla, llx; +#endif + const digit* digits = ((PyLongObject*)op1)->ob_digit; + const Py_ssize_t size = Py_SIZE(op1); + if (likely(__Pyx_sst_abs(size) <= 1)) { + a = likely(size) ? digits[0] : 0; + if (size == -1) a = -a; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_lshift(op1, op2); + } + } + x = a << b; +#ifdef HAVE_LONG_LONG + if (unlikely(!(b < (long) (sizeof(long)*8) && a == x >> b)) && a) { + lla = a; + goto long_long; + } +#else + if (likely(b < (long) (sizeof(long)*8) && a == x >> b) || !a) +#endif + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla << llb; + if (likely(lla == llx >> llb)) + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + return (inplace ? PyNumber_InPlaceLshift : PyNumber_Lshift)(op1, op2); +} +#endif + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* SwapException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = *type; + exc_info->exc_value = *value; + exc_info->exc_traceback = *tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = *type; + tstate->exc_value = *value; + tstate->exc_traceback = *tb; + #endif + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb); + PyErr_SetExcInfo(*type, *value, *tb); + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#endif + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* None */ +static CYTHON_INLINE int64_t __Pyx_div_int64_t(int64_t a, int64_t b) { + int64_t q = a / b; + int64_t r = a - q*b; + q -= ((r != 0) & ((r ^ b) < 0)); + return q; +} + +/* None */ +static CYTHON_INLINE int64_t __Pyx_mod_int64_t(int64_t a, int64_t b) { + int64_t r = a % b; + r += ((r != 0) & ((r ^ b) < 0)) * b; + return r; +} + +/* None */ +static CYTHON_INLINE long __Pyx_div_long(long a, long b) { + long q = a / b; + long r = a - q*b; + q -= ((r != 0) & ((r ^ b) < 0)); + return q; +} + +/* None */ +static CYTHON_INLINE long __Pyx_mod_long(long a, long b) { + long r = a % b; + r += ((r != 0) & ((r ^ b) < 0)) * b; + return r; +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* BytesEquals */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else + if (s1 == s2) { + return (equals == Py_EQ); + } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) { + const char *ps1, *ps2; + Py_ssize_t length = PyBytes_GET_SIZE(s1); + if (length != PyBytes_GET_SIZE(s2)) + return (equals == Py_NE); + ps1 = PyBytes_AS_STRING(s1); + ps2 = PyBytes_AS_STRING(s2); + if (ps1[0] != ps2[0]) { + return (equals == Py_NE); + } else if (length == 1) { + return (equals == Py_EQ); + } else { + int result; +#if CYTHON_USE_UNICODE_INTERNALS + Py_hash_t hash1, hash2; + hash1 = ((PyBytesObject*)s1)->ob_shash; + hash2 = ((PyBytesObject*)s2)->ob_shash; + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + return (equals == Py_NE); + } +#endif + result = memcmp(ps1, ps2, (size_t)length); + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) { + return (equals == Py_NE); + } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) { + return (equals == Py_NE); + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +#endif +} + +/* UnicodeEquals */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else +#if PY_MAJOR_VERSION < 3 + PyObject* owned_ref = NULL; +#endif + int s1_is_unicode, s2_is_unicode; + if (s1 == s2) { + goto return_eq; + } + s1_is_unicode = PyUnicode_CheckExact(s1); + s2_is_unicode = PyUnicode_CheckExact(s2); +#if PY_MAJOR_VERSION < 3 + if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) { + owned_ref = PyUnicode_FromObject(s2); + if (unlikely(!owned_ref)) + return -1; + s2 = owned_ref; + s2_is_unicode = 1; + } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) { + owned_ref = PyUnicode_FromObject(s1); + if (unlikely(!owned_ref)) + return -1; + s1 = owned_ref; + s1_is_unicode = 1; + } else if (((!s2_is_unicode) & (!s1_is_unicode))) { + return __Pyx_PyBytes_Equals(s1, s2, equals); + } +#endif + if (s1_is_unicode & s2_is_unicode) { + Py_ssize_t length; + int kind; + void *data1, *data2; + if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0)) + return -1; + length = __Pyx_PyUnicode_GET_LENGTH(s1); + if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) { + goto return_ne; + } +#if CYTHON_USE_UNICODE_INTERNALS + { + Py_hash_t hash1, hash2; + #if CYTHON_PEP393_ENABLED + hash1 = ((PyASCIIObject*)s1)->hash; + hash2 = ((PyASCIIObject*)s2)->hash; + #else + hash1 = ((PyUnicodeObject*)s1)->hash; + hash2 = ((PyUnicodeObject*)s2)->hash; + #endif + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + goto return_ne; + } + } +#endif + kind = __Pyx_PyUnicode_KIND(s1); + if (kind != __Pyx_PyUnicode_KIND(s2)) { + goto return_ne; + } + data1 = __Pyx_PyUnicode_DATA(s1); + data2 = __Pyx_PyUnicode_DATA(s2); + if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) { + goto return_ne; + } else if (length == 1) { + goto return_eq; + } else { + int result = memcmp(data1, data2, (size_t)(length * kind)); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & s2_is_unicode) { + goto return_ne; + } else if ((s2 == Py_None) & s1_is_unicode) { + goto return_ne; + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +return_eq: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ); +return_ne: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_NE); +#endif +} + +/* py_abs */ +#if CYTHON_USE_PYLONG_INTERNALS +static PyObject *__Pyx_PyLong_AbsNeg(PyObject *n) { + if (likely(Py_SIZE(n) == -1)) { + return PyLong_FromLong(((PyLongObject*)n)->ob_digit[0]); + } +#if CYTHON_COMPILING_IN_CPYTHON + { + PyObject *copy = _PyLong_Copy((PyLongObject*)n); + if (likely(copy)) { + __Pyx_SET_SIZE(copy, -Py_SIZE(copy)); + } + return copy; + } +#else + return PyNumber_Negative(n); +#endif +} +#endif + +/* RaiseTooManyValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { + PyErr_Format(PyExc_ValueError, + "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected); +} + +/* RaiseNeedMoreValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { + PyErr_Format(PyExc_ValueError, + "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack", + index, (index == 1) ? "" : "s"); +} + +/* IterFinish */ +static CYTHON_INLINE int __Pyx_IterFinish(void) { +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* exc_type = tstate->curexc_type; + if (unlikely(exc_type)) { + if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) { + PyObject *exc_value, *exc_tb; + exc_value = tstate->curexc_value; + exc_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; + Py_DECREF(exc_type); + Py_XDECREF(exc_value); + Py_XDECREF(exc_tb); + return 0; + } else { + return -1; + } + } + return 0; +#else + if (unlikely(PyErr_Occurred())) { + if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) { + PyErr_Clear(); + return 0; + } else { + return -1; + } + } + return 0; +#endif +} + +/* UnpackItemEndCheck */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) { + if (unlikely(retval)) { + Py_DECREF(retval); + __Pyx_RaiseTooManyValuesError(expected); + return -1; + } else { + return __Pyx_IterFinish(); + } + return 0; +} + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddCObj(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op2))) { + const long a = intval; + long x; + long b = PyInt_AS_LONG(op2); + x = (long)((unsigned long)a + b); + if (likely((x^a) >= 0 || (x^b) >= 0)) + return PyInt_FromLong(x); + return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op2))) { + const long a = intval; + long b, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG lla = intval; + PY_LONG_LONG llb, llx; +#endif + const digit* digits = ((PyLongObject*)op2)->ob_digit; + const Py_ssize_t size = Py_SIZE(op2); + if (likely(__Pyx_sst_abs(size) <= 1)) { + b = likely(size) ? digits[0] : 0; + if (size == -1) b = -b; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + b = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + b = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + b = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + b = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + b = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + b = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + } + x = a + b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla + llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + if (PyFloat_CheckExact(op2)) { + const long a = intval; + double b = PyFloat_AS_DOUBLE(op2); + double result; + PyFPE_START_PROTECT("add", return NULL) + result = ((double)a) + (double)b; + PyFPE_END_PROTECT(result) + return PyFloat_FromDouble(result); + } + return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2); +} +#endif + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* CallNextTpTraverse */ +static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse) { + PyTypeObject* type = Py_TYPE(obj); + while (type && type->tp_traverse != current_tp_traverse) + type = type->tp_base; + while (type && type->tp_traverse == current_tp_traverse) + type = type->tp_base; + if (type && type->tp_traverse) + return type->tp_traverse(obj, v, a); + return 0; +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* SetVTable */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable) { +#if PY_VERSION_HEX >= 0x02070000 + PyObject *ob = PyCapsule_New(vtable, 0, 0); +#else + PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); +#endif + if (!ob) + goto bad; + if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) + goto bad; + Py_DECREF(ob); + return 0; +bad: + Py_XDECREF(ob); + return -1; +} + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value) { + const int32_t neg_one = (int32_t) ((int32_t) 0 - (int32_t) 1), const_zero = (int32_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int32_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int32_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int32_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int32_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value) { + const char neg_one = (char) ((char) 0 - (char) 1), const_zero = (char) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(char) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(char) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(char) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(char), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_char(unsigned char value) { + const unsigned char neg_one = (unsigned char) ((unsigned char) 0 - (unsigned char) 1), const_zero = (unsigned char) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(unsigned char) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(unsigned char) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned char) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(unsigned char) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned char) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(unsigned char), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint8_t(uint8_t value) { + const uint8_t neg_one = (uint8_t) ((uint8_t) 0 - (uint8_t) 1), const_zero = (uint8_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint8_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint8_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint8_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint8_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value) { + const int64_t neg_one = (int64_t) ((int64_t) 0 - (int64_t) 1), const_zero = (int64_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int64_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int64_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int64_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int64_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint16_t(uint16_t value) { + const uint16_t neg_one = (uint16_t) ((uint16_t) 0 - (uint16_t) 1), const_zero = (uint16_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint16_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint16_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint16_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint16_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint16_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint16_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) { + const uint32_t neg_one = (uint32_t) ((uint32_t) 0 - (uint32_t) 1), const_zero = (uint32_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint32_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint32_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint32_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint32_t), + little, !is_unsigned); + } +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int64_t __Pyx_PyInt_As_int64_t(PyObject *x) { + const int64_t neg_one = (int64_t) ((int64_t) 0 - (int64_t) 1), const_zero = (int64_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int64_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int64_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int64_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int64_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int64_t, digit, digits[0]) + case 2: + if (8 * sizeof(int64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 2 * PyLong_SHIFT) { + return (int64_t) (((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 3 * PyLong_SHIFT) { + return (int64_t) (((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 4 * PyLong_SHIFT) { + return (int64_t) (((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int64_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int64_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int64_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int64_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int64_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int64_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + return (int64_t) ((((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + return (int64_t) ((((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 4 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 4 * PyLong_SHIFT) { + return (int64_t) ((((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int64_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int64_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int64_t) -1; + } + } else { + int64_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int64_t) -1; + val = __Pyx_PyInt_As_int64_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int64_t"); + return (int64_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int64_t"); + return (int64_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *x) { + const int32_t neg_one = (int32_t) ((int32_t) 0 - (int32_t) 1), const_zero = (int32_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int32_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int32_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int32_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int32_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int32_t, digit, digits[0]) + case 2: + if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 2 * PyLong_SHIFT) { + return (int32_t) (((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 3 * PyLong_SHIFT) { + return (int32_t) (((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 4 * PyLong_SHIFT) { + return (int32_t) (((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int32_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int32_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int32_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int32_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int32_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int32_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + return (int32_t) ((((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + return (int32_t) ((((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 4 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 4 * PyLong_SHIFT) { + return (int32_t) ((((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int32_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int32_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int32_t) -1; + } + } else { + int32_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int32_t) -1; + val = __Pyx_PyInt_As_int32_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int32_t"); + return (int32_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int32_t"); + return (int32_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint8_t __Pyx_PyInt_As_uint8_t(PyObject *x) { + const uint8_t neg_one = (uint8_t) ((uint8_t) 0 - (uint8_t) 1), const_zero = (uint8_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint8_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint8_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint8_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint8_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 2 * PyLong_SHIFT) { + return (uint8_t) (((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 3 * PyLong_SHIFT) { + return (uint8_t) (((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 4 * PyLong_SHIFT) { + return (uint8_t) (((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint8_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint8_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint8_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint8_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint8_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint8_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + return (uint8_t) ((((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + return (uint8_t) ((((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 4 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 4 * PyLong_SHIFT) { + return (uint8_t) ((((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint8_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint8_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint8_t) -1; + } + } else { + uint8_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint8_t) -1; + val = __Pyx_PyInt_As_uint8_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint8_t"); + return (uint8_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint8_t"); + return (uint8_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE unsigned char __Pyx_PyInt_As_unsigned_char(PyObject *x) { + const unsigned char neg_one = (unsigned char) ((unsigned char) 0 - (unsigned char) 1), const_zero = (unsigned char) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(unsigned char) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(unsigned char, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (unsigned char) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (unsigned char) 0; + case 1: __PYX_VERIFY_RETURN_INT(unsigned char, digit, digits[0]) + case 2: + if (8 * sizeof(unsigned char) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) >= 2 * PyLong_SHIFT) { + return (unsigned char) (((((unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(unsigned char) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) >= 3 * PyLong_SHIFT) { + return (unsigned char) (((((((unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(unsigned char) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) >= 4 * PyLong_SHIFT) { + return (unsigned char) (((((((((unsigned char)digits[3]) << PyLong_SHIFT) | (unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (unsigned char) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(unsigned char) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(unsigned char, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned char) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(unsigned char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (unsigned char) 0; + case -1: __PYX_VERIFY_RETURN_INT(unsigned char, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(unsigned char, digit, +digits[0]) + case -2: + if (8 * sizeof(unsigned char) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 2 * PyLong_SHIFT) { + return (unsigned char) (((unsigned char)-1)*(((((unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(unsigned char) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 2 * PyLong_SHIFT) { + return (unsigned char) ((((((unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(unsigned char) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 3 * PyLong_SHIFT) { + return (unsigned char) (((unsigned char)-1)*(((((((unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(unsigned char) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 3 * PyLong_SHIFT) { + return (unsigned char) ((((((((unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(unsigned char) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 4 * PyLong_SHIFT) { + return (unsigned char) (((unsigned char)-1)*(((((((((unsigned char)digits[3]) << PyLong_SHIFT) | (unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(unsigned char) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(unsigned char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(unsigned char) - 1 > 4 * PyLong_SHIFT) { + return (unsigned char) ((((((((((unsigned char)digits[3]) << PyLong_SHIFT) | (unsigned char)digits[2]) << PyLong_SHIFT) | (unsigned char)digits[1]) << PyLong_SHIFT) | (unsigned char)digits[0]))); + } + } + break; + } +#endif + if (sizeof(unsigned char) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(unsigned char, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned char) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(unsigned char, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + unsigned char val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (unsigned char) -1; + } + } else { + unsigned char val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (unsigned char) -1; + val = __Pyx_PyInt_As_unsigned_char(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to unsigned char"); + return (unsigned char) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to unsigned char"); + return (unsigned char) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int16_t __Pyx_PyInt_As_int16_t(PyObject *x) { + const int16_t neg_one = (int16_t) ((int16_t) 0 - (int16_t) 1), const_zero = (int16_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int16_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int16_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int16_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int16_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int16_t, digit, digits[0]) + case 2: + if (8 * sizeof(int16_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) >= 2 * PyLong_SHIFT) { + return (int16_t) (((((int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int16_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) >= 3 * PyLong_SHIFT) { + return (int16_t) (((((((int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int16_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) >= 4 * PyLong_SHIFT) { + return (int16_t) (((((((((int16_t)digits[3]) << PyLong_SHIFT) | (int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int16_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int16_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int16_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int16_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int16_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int16_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int16_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int16_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int16_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 2 * PyLong_SHIFT) { + return (int16_t) (((int16_t)-1)*(((((int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int16_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 2 * PyLong_SHIFT) { + return (int16_t) ((((((int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int16_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 3 * PyLong_SHIFT) { + return (int16_t) (((int16_t)-1)*(((((((int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int16_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 3 * PyLong_SHIFT) { + return (int16_t) ((((((((int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int16_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 4 * PyLong_SHIFT) { + return (int16_t) (((int16_t)-1)*(((((((((int16_t)digits[3]) << PyLong_SHIFT) | (int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int16_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int16_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int16_t) - 1 > 4 * PyLong_SHIFT) { + return (int16_t) ((((((((((int16_t)digits[3]) << PyLong_SHIFT) | (int16_t)digits[2]) << PyLong_SHIFT) | (int16_t)digits[1]) << PyLong_SHIFT) | (int16_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int16_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int16_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int16_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int16_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int16_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int16_t) -1; + } + } else { + int16_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int16_t) -1; + val = __Pyx_PyInt_As_int16_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int16_t"); + return (int16_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int16_t"); + return (int16_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *x) { + const char neg_one = (char) ((char) 0 - (char) 1), const_zero = (char) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(char) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(char, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (char) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (char) 0; + case 1: __PYX_VERIFY_RETURN_INT(char, digit, digits[0]) + case 2: + if (8 * sizeof(char) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) >= 2 * PyLong_SHIFT) { + return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(char) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) >= 3 * PyLong_SHIFT) { + return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(char) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) >= 4 * PyLong_SHIFT) { + return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (char) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(char) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(char, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (char) 0; + case -1: __PYX_VERIFY_RETURN_INT(char, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(char, digit, +digits[0]) + case -2: + if (8 * sizeof(char) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) { + return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(char) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) { + return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) { + return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(char) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) { + return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) { + return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(char) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) { + return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]))); + } + } + break; + } +#endif + if (sizeof(char) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(char, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(char, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + char val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (char) -1; + } + } else { + char val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (char) -1; + val = __Pyx_PyInt_As_char(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to char"); + return (char) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to char"); + return (char) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int8_t __Pyx_PyInt_As_int8_t(PyObject *x) { + const int8_t neg_one = (int8_t) ((int8_t) 0 - (int8_t) 1), const_zero = (int8_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int8_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int8_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int8_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int8_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int8_t, digit, digits[0]) + case 2: + if (8 * sizeof(int8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) >= 2 * PyLong_SHIFT) { + return (int8_t) (((((int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) >= 3 * PyLong_SHIFT) { + return (int8_t) (((((((int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) >= 4 * PyLong_SHIFT) { + return (int8_t) (((((((((int8_t)digits[3]) << PyLong_SHIFT) | (int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int8_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int8_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int8_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int8_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int8_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int8_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int8_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int8_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int8_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 2 * PyLong_SHIFT) { + return (int8_t) (((int8_t)-1)*(((((int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 2 * PyLong_SHIFT) { + return (int8_t) ((((((int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int8_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 3 * PyLong_SHIFT) { + return (int8_t) (((int8_t)-1)*(((((((int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 3 * PyLong_SHIFT) { + return (int8_t) ((((((((int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int8_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 4 * PyLong_SHIFT) { + return (int8_t) (((int8_t)-1)*(((((((((int8_t)digits[3]) << PyLong_SHIFT) | (int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int8_t) - 1 > 4 * PyLong_SHIFT) { + return (int8_t) ((((((((((int8_t)digits[3]) << PyLong_SHIFT) | (int8_t)digits[2]) << PyLong_SHIFT) | (int8_t)digits[1]) << PyLong_SHIFT) | (int8_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int8_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int8_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int8_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int8_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int8_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int8_t) -1; + } + } else { + int8_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int8_t) -1; + val = __Pyx_PyInt_As_int8_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int8_t"); + return (int8_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int8_t"); + return (int8_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *x) { + const uint32_t neg_one = (uint32_t) ((uint32_t) 0 - (uint32_t) 1), const_zero = (uint32_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint32_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint32_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint32_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint32_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 2 * PyLong_SHIFT) { + return (uint32_t) (((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 3 * PyLong_SHIFT) { + return (uint32_t) (((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 4 * PyLong_SHIFT) { + return (uint32_t) (((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint32_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint32_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint32_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint32_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint32_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint32_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + return (uint32_t) ((((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + return (uint32_t) ((((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) { + return (uint32_t) ((((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint32_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint32_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint32_t) -1; + } + } else { + uint32_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint32_t) -1; + val = __Pyx_PyInt_As_uint32_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint32_t"); + return (uint32_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint32_t"); + return (uint32_t) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; i= 0x02070000 + cobj = PyCapsule_New(tmp.p, sig, 0); +#else + cobj = PyCObject_FromVoidPtrAndDesc(tmp.p, (void *)sig, 0); +#endif + if (!cobj) + goto bad; + if (PyDict_SetItemString(d, name, cobj) < 0) + goto bad; + Py_DECREF(cobj); + Py_DECREF(d); + return 0; +bad: + Py_XDECREF(cobj); + Py_XDECREF(d); + return -1; +} + +/* InitStrings */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) { + while (t->p) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/asyncpg/pgproto/pgproto.pxd b/asyncpg/pgproto/pgproto.pxd new file mode 100644 index 0000000..ee9ec45 --- /dev/null +++ b/asyncpg/pgproto/pgproto.pxd @@ -0,0 +1,19 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cimport cython +cimport cpython + +from libc.stdint cimport int16_t, int32_t, uint16_t, uint32_t, int64_t, uint64_t + + +include "./consts.pxi" +include "./frb.pxd" +include "./buffer.pxd" + + +include "./codecs/__init__.pxd" diff --git a/asyncpg/pgproto/pgproto.pyx b/asyncpg/pgproto/pgproto.pyx new file mode 100644 index 0000000..2ebeb42 --- /dev/null +++ b/asyncpg/pgproto/pgproto.pyx @@ -0,0 +1,48 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cimport cython +cimport cpython + +from . cimport cpythonx + +from libc.stdint cimport int8_t, uint8_t, int16_t, uint16_t, \ + int32_t, uint32_t, int64_t, uint64_t, \ + INT16_MIN, INT16_MAX, INT32_MIN, INT32_MAX, \ + UINT32_MAX, INT64_MIN, INT64_MAX + + +from . cimport hton +from . cimport tohex + +from .debug cimport PG_DEBUG +from . import types as pgproto_types + + +include "./consts.pxi" +include "./frb.pyx" +include "./buffer.pyx" +include "./uuid.pyx" + +include "./codecs/context.pyx" + +include "./codecs/bytea.pyx" +include "./codecs/text.pyx" + +include "./codecs/datetime.pyx" +include "./codecs/float.pyx" +include "./codecs/int.pyx" +include "./codecs/json.pyx" +include "./codecs/uuid.pyx" +include "./codecs/numeric.pyx" +include "./codecs/bits.pyx" +include "./codecs/geometry.pyx" +include "./codecs/hstore.pyx" +include "./codecs/misc.pyx" +include "./codecs/network.pyx" +include "./codecs/tid.pyx" +include "./codecs/txid.pyx" diff --git a/asyncpg/pgproto/tohex.h b/asyncpg/pgproto/tohex.h new file mode 100644 index 0000000..60dd820 --- /dev/null +++ b/asyncpg/pgproto/tohex.h @@ -0,0 +1,54 @@ +#define HEX_PRELUDE \ + const char *__hexm = "0123456789abcdef"; + +#define HEX_1_BYTE(buf, dest) \ + { \ + char byte = (buf)[0]; \ + (dest)[0] = __hexm[(byte >> 4) & 0x0F]; \ + (dest)[1] = __hexm[byte & 0x0F]; \ + } + +#define HEX_2_BYTES(buf, dest) \ + { \ + HEX_1_BYTE(buf, dest) \ + HEX_1_BYTE(buf + 1, dest + 2) \ + } + +#define HEX_4_BYTES(buf, dest) \ + { \ + HEX_2_BYTES(buf, dest) \ + HEX_2_BYTES(buf + 2, dest + 4) \ + } + +#define HEX_8_BYTES(buf, dest) \ + { \ + HEX_4_BYTES(buf, dest) \ + HEX_4_BYTES(buf + 4, dest + 8) \ + } + + +static inline void +uuid_to_str(const char *source, char *dest) +{ + HEX_PRELUDE + + HEX_4_BYTES(source, dest) + dest[8] = '-'; + HEX_2_BYTES(source + 4, dest + 9) + dest[13] = '-'; + HEX_2_BYTES(source + 6, dest + 14) + dest[18] = '-'; + HEX_2_BYTES(source + 8, dest + 19) + dest[23] = '-'; + HEX_4_BYTES(source + 10, dest + 24) + HEX_2_BYTES(source + 14, dest + 32) +} + + +static inline void +uuid_to_hex(const char *source, char *dest) +{ + HEX_PRELUDE + HEX_8_BYTES(source, dest) + HEX_8_BYTES(source + 8, dest + 16) +} diff --git a/asyncpg/pgproto/tohex.pxd b/asyncpg/pgproto/tohex.pxd new file mode 100644 index 0000000..12fda84 --- /dev/null +++ b/asyncpg/pgproto/tohex.pxd @@ -0,0 +1,10 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef extern from "./tohex.h": + cdef void uuid_to_str(const char *source, char *dest) + cdef void uuid_to_hex(const char *source, char *dest) diff --git a/asyncpg/pgproto/types.py b/asyncpg/pgproto/types.py new file mode 100644 index 0000000..9232ae0 --- /dev/null +++ b/asyncpg/pgproto/types.py @@ -0,0 +1,376 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +__all__ = ( + 'BitString', 'Point', 'Path', 'Polygon', + 'Box', 'Line', 'LineSegment', 'Circle', +) + + +class BitString: + """Immutable representation of PostgreSQL `bit` and `varbit` types.""" + + __slots__ = '_bytes', '_bitlength' + + def __init__(self, bitstring=None): + if not bitstring: + self._bytes = bytes() + self._bitlength = 0 + else: + bytelen = len(bitstring) // 8 + 1 + bytes_ = bytearray(bytelen) + byte = 0 + byte_pos = 0 + bit_pos = 0 + + for i, bit in enumerate(bitstring): + if bit == ' ': + continue + bit = int(bit) + if bit != 0 and bit != 1: + raise ValueError( + 'invalid bit value at position {}'.format(i)) + + byte |= bit << (8 - bit_pos - 1) + bit_pos += 1 + if bit_pos == 8: + bytes_[byte_pos] = byte + byte = 0 + byte_pos += 1 + bit_pos = 0 + + if bit_pos != 0: + bytes_[byte_pos] = byte + + bitlen = byte_pos * 8 + bit_pos + bytelen = byte_pos + (1 if bit_pos else 0) + + self._bytes = bytes(bytes_[:bytelen]) + self._bitlength = bitlen + + @classmethod + def frombytes(cls, bytes_=None, bitlength=None): + if bitlength is None and bytes_ is None: + bytes_ = bytes() + bitlength = 0 + + elif bitlength is None: + bitlength = len(bytes_) * 8 + + else: + if bytes_ is None: + bytes_ = bytes(bitlength // 8 + 1) + bitlength = bitlength + else: + bytes_len = len(bytes_) * 8 + + if bytes_len == 0 and bitlength != 0: + raise ValueError('invalid bit length specified') + + if bytes_len != 0 and bitlength == 0: + raise ValueError('invalid bit length specified') + + if bitlength < bytes_len - 8: + raise ValueError('invalid bit length specified') + + if bitlength > bytes_len: + raise ValueError('invalid bit length specified') + + result = cls() + result._bytes = bytes_ + result._bitlength = bitlength + + return result + + @property + def bytes(self): + return self._bytes + + def as_string(self): + s = '' + + for i in range(self._bitlength): + s += str(self._getitem(i)) + if i % 4 == 3: + s += ' ' + + return s.strip() + + def to_int(self, bitorder='big', *, signed=False): + """Interpret the BitString as a Python int. + Acts similarly to int.from_bytes. + + :param bitorder: + Determines the bit order used to interpret the BitString. By + default, this function uses Postgres conventions for casting bits + to ints. If bitorder is 'big', the most significant bit is at the + start of the string (this is the same as the default). If bitorder + is 'little', the most significant bit is at the end of the string. + + :param bool signed: + Determines whether two's complement is used to interpret the + BitString. If signed is False, the returned value is always + non-negative. + + :return int: An integer representing the BitString. Information about + the BitString's exact length is lost. + + .. versionadded:: 0.18.0 + """ + x = int.from_bytes(self._bytes, byteorder='big') + x >>= -self._bitlength % 8 + if bitorder == 'big': + pass + elif bitorder == 'little': + x = int(bin(x)[:1:-1].ljust(self._bitlength, '0'), 2) + else: + raise ValueError("bitorder must be either 'big' or 'little'") + + if signed and self._bitlength > 0 and x & (1 << (self._bitlength - 1)): + x -= 1 << self._bitlength + return x + + @classmethod + def from_int(cls, x, length, bitorder='big', *, signed=False): + """Represent the Python int x as a BitString. + Acts similarly to int.to_bytes. + + :param int x: + An integer to represent. Negative integers are represented in two's + complement form, unless the argument signed is False, in which case + negative integers raise an OverflowError. + + :param int length: + The length of the resulting BitString. An OverflowError is raised + if the integer is not representable in this many bits. + + :param bitorder: + Determines the bit order used in the BitString representation. By + default, this function uses Postgres conventions for casting ints + to bits. If bitorder is 'big', the most significant bit is at the + start of the string (this is the same as the default). If bitorder + is 'little', the most significant bit is at the end of the string. + + :param bool signed: + Determines whether two's complement is used in the BitString + representation. If signed is False and a negative integer is given, + an OverflowError is raised. + + :return BitString: A BitString representing the input integer, in the + form specified by the other input args. + + .. versionadded:: 0.18.0 + """ + # Exception types are by analogy to int.to_bytes + if length < 0: + raise ValueError("length argument must be non-negative") + elif length < x.bit_length(): + raise OverflowError("int too big to convert") + + if x < 0: + if not signed: + raise OverflowError("can't convert negative int to unsigned") + x &= (1 << length) - 1 + + if bitorder == 'big': + pass + elif bitorder == 'little': + x = int(bin(x)[:1:-1].ljust(length, '0'), 2) + else: + raise ValueError("bitorder must be either 'big' or 'little'") + + x <<= (-length % 8) + bytes_ = x.to_bytes((length + 7) // 8, byteorder='big') + return cls.frombytes(bytes_, length) + + def __repr__(self): + return ''.format(self.as_string()) + + __str__ = __repr__ + + def __eq__(self, other): + if not isinstance(other, BitString): + return NotImplemented + + return (self._bytes == other._bytes and + self._bitlength == other._bitlength) + + def __hash__(self): + return hash((self._bytes, self._bitlength)) + + def _getitem(self, i): + byte = self._bytes[i // 8] + shift = 8 - i % 8 - 1 + return (byte >> shift) & 0x1 + + def __getitem__(self, i): + if isinstance(i, slice): + raise NotImplementedError('BitString does not support slices') + + if i >= self._bitlength: + raise IndexError('index out of range') + + return self._getitem(i) + + def __len__(self): + return self._bitlength + + +class Point(tuple): + """Immutable representation of PostgreSQL `point` type.""" + + __slots__ = () + + def __new__(cls, x, y): + return super().__new__(cls, (float(x), float(y))) + + def __repr__(self): + return '{}.{}({})'.format( + type(self).__module__, + type(self).__name__, + tuple.__repr__(self) + ) + + @property + def x(self): + return self[0] + + @property + def y(self): + return self[1] + + +class Box(tuple): + """Immutable representation of PostgreSQL `box` type.""" + + __slots__ = () + + def __new__(cls, high, low): + return super().__new__(cls, (Point(*high), Point(*low))) + + def __repr__(self): + return '{}.{}({})'.format( + type(self).__module__, + type(self).__name__, + tuple.__repr__(self) + ) + + @property + def high(self): + return self[0] + + @property + def low(self): + return self[1] + + +class Line(tuple): + """Immutable representation of PostgreSQL `line` type.""" + + __slots__ = () + + def __new__(cls, A, B, C): + return super().__new__(cls, (A, B, C)) + + @property + def A(self): + return self[0] + + @property + def B(self): + return self[1] + + @property + def C(self): + return self[2] + + +class LineSegment(tuple): + """Immutable representation of PostgreSQL `lseg` type.""" + + __slots__ = () + + def __new__(cls, p1, p2): + return super().__new__(cls, (Point(*p1), Point(*p2))) + + def __repr__(self): + return '{}.{}({})'.format( + type(self).__module__, + type(self).__name__, + tuple.__repr__(self) + ) + + @property + def p1(self): + return self[0] + + @property + def p2(self): + return self[1] + + +class Path: + """Immutable representation of PostgreSQL `path` type.""" + + __slots__ = '_is_closed', 'points' + + def __init__(self, *points, is_closed=False): + self.points = tuple(Point(*p) for p in points) + self._is_closed = is_closed + + @property + def is_closed(self): + return self._is_closed + + def __eq__(self, other): + if not isinstance(other, Path): + return NotImplemented + + return (self.points == other.points and + self._is_closed == other._is_closed) + + def __hash__(self): + return hash((self.points, self.is_closed)) + + def __iter__(self): + return iter(self.points) + + def __len__(self): + return len(self.points) + + def __getitem__(self, i): + return self.points[i] + + def __contains__(self, point): + return point in self.points + + +class Polygon(Path): + """Immutable representation of PostgreSQL `polygon` type.""" + + __slots__ = () + + def __init__(self, *points): + # polygon is always closed + super().__init__(*points, is_closed=True) + + +class Circle(tuple): + """Immutable representation of PostgreSQL `circle` type.""" + + __slots__ = () + + def __new__(cls, center, radius): + return super().__new__(cls, (center, radius)) + + @property + def center(self): + return self[0] + + @property + def radius(self): + return self[1] diff --git a/asyncpg/pgproto/uuid.pyx b/asyncpg/pgproto/uuid.pyx new file mode 100644 index 0000000..d0e4e5c --- /dev/null +++ b/asyncpg/pgproto/uuid.pyx @@ -0,0 +1,339 @@ +import functools +import uuid + +from libc.stdint cimport uint8_t, int8_t +from libc.string cimport memcpy, memcmp + + +# A more efficient UUID type implementation +# (6-7x faster than the starndard uuid.UUID): +# +# -= Benchmark results (less is better): =- +# +# std_UUID(bytes): 1.2368 +# c_UUID(bytes): * 0.1645 (7.52x) +# object(): 0.1483 +# +# std_UUID(str): 1.8038 +# c_UUID(str): * 0.2313 (7.80x) +# +# str(std_UUID()): 1.4625 +# str(c_UUID()): * 0.2681 (5.46x) +# str(object()): 0.5975 +# +# std_UUID().bytes: 0.3508 +# c_UUID().bytes: * 0.1068 (3.28x) +# +# std_UUID().int: 0.0871 +# c_UUID().int: * 0.0856 +# +# std_UUID().hex: 0.4871 +# c_UUID().hex: * 0.1405 +# +# hash(std_UUID()): 0.3635 +# hash(c_UUID()): * 0.1564 (2.32x) +# +# dct[std_UUID()]: 0.3319 +# dct[c_UUID()]: * 0.1570 (2.11x) +# +# std_UUID() ==: 0.3478 +# c_UUID() ==: * 0.0915 (3.80x) + + +cdef char _hextable[256] +_hextable[:] = [ + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1, 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,-1,10,11,12,13,14,15,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, + -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 +] + + +cdef std_UUID = uuid.UUID + + +cdef pg_uuid_bytes_from_str(str u, char *out): + cdef: + char *orig_buf + Py_ssize_t size + unsigned char ch + uint8_t acc, part, acc_set + uint8_t i, j + + orig_buf = cpythonx.PyUnicode_AsUTF8AndSize(u, &size) + if size > 36 or size < 32: + raise ValueError( + f'invalid UUID {u!r}: ' + f'length must be between 32..36 characters, got {size}') + + acc_set = 0 + j = 0 + for i in range(0, size): + ch = orig_buf[i] + if ch == b'-': + continue + + part = _hextable[ch] + if part == -1: + if ch >= 0x20 and ch <= 0x7e: + raise ValueError( + f'invalid UUID {u!r}: unexpected character {chr(ch)!r}') + else: + raise ValueError('invalid UUID {u!r}: unexpected character') + + if acc_set: + acc |= part + out[j] = acc + acc_set = 0 + j += 1 + else: + acc = (part << 4) + acc_set = 1 + + if j > 16 or (j == 16 and acc_set): + raise ValueError( + f'invalid UUID {u!r}: decodes to more than 16 bytes') + + if j != 16: + raise ValueError( + f'invalid UUID {u!r}: decodes to less than 16 bytes') + + +cdef class __UUIDReplaceMe: + pass + + +cdef pg_uuid_from_buf(const char *buf): + cdef: + UUID u = UUID.__new__(UUID) + memcpy(u._data, buf, 16) + return u + + +@cython.final +@cython.no_gc_clear +cdef class UUID(__UUIDReplaceMe): + + cdef: + char _data[16] + object _int + object _hash + object __weakref__ + + def __cinit__(self): + self._int = None + self._hash = None + + def __init__(self, inp): + cdef: + char *buf + Py_ssize_t size + + if cpython.PyBytes_Check(inp): + cpython.PyBytes_AsStringAndSize(inp, &buf, &size) + if size != 16: + raise ValueError(f'16 bytes were expected, got {size}') + memcpy(self._data, buf, 16) + + elif cpython.PyUnicode_Check(inp): + pg_uuid_bytes_from_str(inp, self._data) + else: + raise TypeError(f'a bytes or str object expected, got {inp!r}') + + @property + def bytes(self): + return cpython.PyBytes_FromStringAndSize(self._data, 16) + + @property + def int(self): + if self._int is None: + # The cache is important because `self.int` can be + # used multiple times by __hash__ etc. + self._int = int.from_bytes(self.bytes, 'big') + return self._int + + @property + def is_safe(self): + return uuid.SafeUUID.unknown + + def __str__(self): + cdef char out[36] + tohex.uuid_to_str(self._data, out) + return cpythonx.PyUnicode_FromKindAndData( + cpythonx.PyUnicode_1BYTE_KIND, out, 36) + + @property + def hex(self): + cdef char out[32] + tohex.uuid_to_hex(self._data, out) + return cpythonx.PyUnicode_FromKindAndData( + cpythonx.PyUnicode_1BYTE_KIND, out, 32) + + def __repr__(self): + return f"UUID('{self}')" + + def __reduce__(self): + return (type(self), (self.bytes,)) + + def __eq__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) == 0 + if isinstance(other, std_UUID): + return self.int == other.int + return NotImplemented + + def __ne__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) != 0 + if isinstance(other, std_UUID): + return self.int != other.int + return NotImplemented + + def __lt__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) < 0 + if isinstance(other, std_UUID): + return self.int < other.int + return NotImplemented + + def __gt__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) > 0 + if isinstance(other, std_UUID): + return self.int > other.int + return NotImplemented + + def __le__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) <= 0 + if isinstance(other, std_UUID): + return self.int <= other.int + return NotImplemented + + def __ge__(self, other): + if type(other) is UUID: + return memcmp(self._data, (other)._data, 16) >= 0 + if isinstance(other, std_UUID): + return self.int >= other.int + return NotImplemented + + def __hash__(self): + # In EdgeDB every schema object has a uuid and there are + # huge hash-maps of them. We want UUID.__hash__ to be + # as fast as possible. + if self._hash is not None: + return self._hash + + self._hash = hash(self.int) + return self._hash + + def __int__(self): + return self.int + + @property + def bytes_le(self): + bytes = self.bytes + return (bytes[4-1::-1] + bytes[6-1:4-1:-1] + bytes[8-1:6-1:-1] + + bytes[8:]) + + @property + def fields(self): + return (self.time_low, self.time_mid, self.time_hi_version, + self.clock_seq_hi_variant, self.clock_seq_low, self.node) + + @property + def time_low(self): + return self.int >> 96 + + @property + def time_mid(self): + return (self.int >> 80) & 0xffff + + @property + def time_hi_version(self): + return (self.int >> 64) & 0xffff + + @property + def clock_seq_hi_variant(self): + return (self.int >> 56) & 0xff + + @property + def clock_seq_low(self): + return (self.int >> 48) & 0xff + + @property + def time(self): + return (((self.time_hi_version & 0x0fff) << 48) | + (self.time_mid << 32) | self.time_low) + + @property + def clock_seq(self): + return (((self.clock_seq_hi_variant & 0x3f) << 8) | + self.clock_seq_low) + + @property + def node(self): + return self.int & 0xffffffffffff + + @property + def urn(self): + return 'urn:uuid:' + str(self) + + @property + def variant(self): + if not self.int & (0x8000 << 48): + return uuid.RESERVED_NCS + elif not self.int & (0x4000 << 48): + return uuid.RFC_4122 + elif not self.int & (0x2000 << 48): + return uuid.RESERVED_MICROSOFT + else: + return uuid.RESERVED_FUTURE + + @property + def version(self): + # The version bits are only meaningful for RFC 4122 UUIDs. + if self.variant == uuid.RFC_4122: + return int((self.int >> 76) & 0xf) + + +# +# In order for `isinstance(pgproto.UUID, uuid.UUID)` to work, +# patch __bases__ and __mro__ by injecting `uuid.UUID`. +# +# We apply brute-force here because the following pattern stopped +# working with Python 3.8: +# +# cdef class OurUUID: +# ... +# +# class UUID(OurUUID, uuid.UUID): +# ... +# +# With Python 3.8 it now produces +# +# "TypeError: multiple bases have instance lay-out conflict" +# +# error. Maybe it's possible to fix this some other way, but +# the best solution possible would be to just contribute our +# faster UUID to the standard library and not have this problem +# at all. For now this hack is pretty safe and should be +# compatible with future Pythons for long enough. +# +assert UUID.__bases__[0] is __UUIDReplaceMe +assert UUID.__mro__[1] is __UUIDReplaceMe +cpython.Py_INCREF(std_UUID) +cpython.PyTuple_SET_ITEM(UUID.__bases__, 0, std_UUID) +cpython.Py_INCREF(std_UUID) +cpython.PyTuple_SET_ITEM(UUID.__mro__, 1, std_UUID) +# + + +cdef pg_UUID = UUID diff --git a/asyncpg/pool.py b/asyncpg/pool.py new file mode 100644 index 0000000..ec42f81 --- /dev/null +++ b/asyncpg/pool.py @@ -0,0 +1,911 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import functools +import inspect +import logging +import time +import warnings + +from . import connection +from . import connect_utils +from . import exceptions + + +logger = logging.getLogger(__name__) + + +class PoolConnectionProxyMeta(type): + + def __new__(mcls, name, bases, dct, *, wrap=False): + if wrap: + for attrname in dir(connection.Connection): + if attrname.startswith('_') or attrname in dct: + continue + + meth = getattr(connection.Connection, attrname) + if not inspect.isfunction(meth): + continue + + wrapper = mcls._wrap_connection_method(attrname) + wrapper = functools.update_wrapper(wrapper, meth) + dct[attrname] = wrapper + + if '__doc__' not in dct: + dct['__doc__'] = connection.Connection.__doc__ + + return super().__new__(mcls, name, bases, dct) + + def __init__(cls, name, bases, dct, *, wrap=False): + # Needed for Python 3.5 to handle `wrap` class keyword argument. + super().__init__(name, bases, dct) + + @staticmethod + def _wrap_connection_method(meth_name): + def call_con_method(self, *args, **kwargs): + # This method will be owned by PoolConnectionProxy class. + if self._con is None: + raise exceptions.InterfaceError( + 'cannot call Connection.{}(): ' + 'connection has been released back to the pool'.format( + meth_name)) + + meth = getattr(self._con.__class__, meth_name) + return meth(self._con, *args, **kwargs) + + return call_con_method + + +class PoolConnectionProxy(connection._ConnectionProxy, + metaclass=PoolConnectionProxyMeta, + wrap=True): + + __slots__ = ('_con', '_holder') + + def __init__(self, holder: 'PoolConnectionHolder', + con: connection.Connection): + self._con = con + self._holder = holder + con._set_proxy(self) + + def __getattr__(self, attr): + # Proxy all unresolved attributes to the wrapped Connection object. + return getattr(self._con, attr) + + def _detach(self) -> connection.Connection: + if self._con is None: + return + + con, self._con = self._con, None + con._set_proxy(None) + return con + + def __repr__(self): + if self._con is None: + return '<{classname} [released] {id:#x}>'.format( + classname=self.__class__.__name__, id=id(self)) + else: + return '<{classname} {con!r} {id:#x}>'.format( + classname=self.__class__.__name__, con=self._con, id=id(self)) + + +class PoolConnectionHolder: + + __slots__ = ('_con', '_pool', '_loop', '_proxy', + '_max_queries', '_setup', + '_max_inactive_time', '_in_use', + '_inactive_callback', '_timeout', + '_generation') + + def __init__(self, pool, *, max_queries, setup, max_inactive_time): + + self._pool = pool + self._con = None + self._proxy = None + + self._max_queries = max_queries + self._max_inactive_time = max_inactive_time + self._setup = setup + self._inactive_callback = None + self._in_use = None # type: asyncio.Future + self._timeout = None + self._generation = None + + async def connect(self): + if self._con is not None: + raise exceptions.InternalClientError( + 'PoolConnectionHolder.connect() called while another ' + 'connection already exists') + + self._con = await self._pool._get_new_connection() + self._generation = self._pool._generation + self._maybe_cancel_inactive_callback() + self._setup_inactive_callback() + + async def acquire(self) -> PoolConnectionProxy: + if self._con is None or self._con.is_closed(): + self._con = None + await self.connect() + + elif self._generation != self._pool._generation: + # Connections have been expired, re-connect the holder. + self._pool._loop.create_task( + self._con.close(timeout=self._timeout)) + self._con = None + await self.connect() + + self._maybe_cancel_inactive_callback() + + self._proxy = proxy = PoolConnectionProxy(self, self._con) + + if self._setup is not None: + try: + await self._setup(proxy) + except (Exception, asyncio.CancelledError) as ex: + # If a user-defined `setup` function fails, we don't + # know if the connection is safe for re-use, hence + # we close it. A new connection will be created + # when `acquire` is called again. + try: + # Use `close()` to close the connection gracefully. + # An exception in `setup` isn't necessarily caused + # by an IO or a protocol error. close() will + # do the necessary cleanup via _release_on_close(). + await self._con.close() + finally: + raise ex + + self._in_use = self._pool._loop.create_future() + + return proxy + + async def release(self, timeout): + if self._in_use is None: + raise exceptions.InternalClientError( + 'PoolConnectionHolder.release() called on ' + 'a free connection holder') + + if self._con.is_closed(): + # When closing, pool connections perform the necessary + # cleanup, so we don't have to do anything else here. + return + + self._timeout = None + + if self._con._protocol.queries_count >= self._max_queries: + # The connection has reached its maximum utilization limit, + # so close it. Connection.close() will call _release(). + await self._con.close(timeout=timeout) + return + + if self._generation != self._pool._generation: + # The connection has expired because it belongs to + # an older generation (Pool.expire_connections() has + # been called.) + await self._con.close(timeout=timeout) + return + + try: + budget = timeout + + if self._con._protocol._is_cancelling(): + # If the connection is in cancellation state, + # wait for the cancellation + started = time.monotonic() + await asyncio.wait_for( + self._con._protocol._wait_for_cancellation(), + budget) + if budget is not None: + budget -= time.monotonic() - started + + await self._con.reset(timeout=budget) + except (Exception, asyncio.CancelledError) as ex: + # If the `reset` call failed, terminate the connection. + # A new one will be created when `acquire` is called + # again. + try: + # An exception in `reset` is most likely caused by + # an IO error, so terminate the connection. + self._con.terminate() + finally: + raise ex + + # Free this connection holder and invalidate the + # connection proxy. + self._release() + + # Rearm the connection inactivity timer. + self._setup_inactive_callback() + + async def wait_until_released(self): + if self._in_use is None: + return + else: + await self._in_use + + async def close(self): + if self._con is not None: + # Connection.close() will call _release_on_close() to + # finish holder cleanup. + await self._con.close() + + def terminate(self): + if self._con is not None: + # Connection.terminate() will call _release_on_close() to + # finish holder cleanup. + self._con.terminate() + + def _setup_inactive_callback(self): + if self._inactive_callback is not None: + raise exceptions.InternalClientError( + 'pool connection inactivity timer already exists') + + if self._max_inactive_time: + self._inactive_callback = self._pool._loop.call_later( + self._max_inactive_time, self._deactivate_inactive_connection) + + def _maybe_cancel_inactive_callback(self): + if self._inactive_callback is not None: + self._inactive_callback.cancel() + self._inactive_callback = None + + def _deactivate_inactive_connection(self): + if self._in_use is not None: + raise exceptions.InternalClientError( + 'attempting to deactivate an acquired connection') + + if self._con is not None: + # The connection is idle and not in use, so it's fine to + # use terminate() instead of close(). + self._con.terminate() + # Must call clear_connection, because _deactivate_connection + # is called when the connection is *not* checked out, and + # so terminate() above will not call the below. + self._release_on_close() + + def _release_on_close(self): + self._maybe_cancel_inactive_callback() + self._release() + self._con = None + + def _release(self): + """Release this connection holder.""" + if self._in_use is None: + # The holder is not checked out. + return + + if not self._in_use.done(): + self._in_use.set_result(None) + self._in_use = None + + # Deinitialize the connection proxy. All subsequent + # operations on it will fail. + if self._proxy is not None: + self._proxy._detach() + self._proxy = None + + # Put ourselves back to the pool queue. + self._pool._queue.put_nowait(self) + + +class Pool: + """A connection pool. + + Connection pool can be used to manage a set of connections to the database. + Connections are first acquired from the pool, then used, and then released + back to the pool. Once a connection is released, it's reset to close all + open cursors and other resources *except* prepared statements. + + Pools are created by calling :func:`~asyncpg.pool.create_pool`. + """ + + __slots__ = ( + '_queue', '_loop', '_minsize', '_maxsize', + '_init', '_connect_args', '_connect_kwargs', + '_working_addr', '_working_config', '_working_params', + '_holders', '_initialized', '_initializing', '_closing', + '_closed', '_connection_class', '_generation', + '_setup', '_max_queries', '_max_inactive_connection_lifetime' + ) + + def __init__(self, *connect_args, + min_size, + max_size, + max_queries, + max_inactive_connection_lifetime, + setup, + init, + loop, + connection_class, + **connect_kwargs): + + if len(connect_args) > 1: + warnings.warn( + "Passing multiple positional arguments to asyncpg.Pool " + "constructor is deprecated and will be removed in " + "asyncpg 0.17.0. The non-deprecated form is " + "asyncpg.Pool(, **kwargs)", + DeprecationWarning, stacklevel=2) + + if loop is None: + loop = asyncio.get_event_loop() + self._loop = loop + + if max_size <= 0: + raise ValueError('max_size is expected to be greater than zero') + + if min_size < 0: + raise ValueError( + 'min_size is expected to be greater or equal to zero') + + if min_size > max_size: + raise ValueError('min_size is greater than max_size') + + if max_queries <= 0: + raise ValueError('max_queries is expected to be greater than zero') + + if max_inactive_connection_lifetime < 0: + raise ValueError( + 'max_inactive_connection_lifetime is expected to be greater ' + 'or equal to zero') + + if not issubclass(connection_class, connection.Connection): + raise TypeError( + 'connection_class is expected to be a subclass of ' + 'asyncpg.Connection, got {!r}'.format(connection_class)) + + self._minsize = min_size + self._maxsize = max_size + + self._holders = [] + self._initialized = False + self._initializing = False + self._queue = None + + self._working_addr = None + self._working_config = None + self._working_params = None + + self._connection_class = connection_class + + self._closing = False + self._closed = False + self._generation = 0 + self._init = init + self._connect_args = connect_args + self._connect_kwargs = connect_kwargs + + self._setup = setup + self._max_queries = max_queries + self._max_inactive_connection_lifetime = \ + max_inactive_connection_lifetime + + async def _async__init__(self): + if self._initialized: + return + if self._initializing: + raise exceptions.InterfaceError( + 'pool is being initialized in another task') + if self._closed: + raise exceptions.InterfaceError('pool is closed') + self._initializing = True + try: + await self._initialize() + return self + finally: + self._initializing = False + self._initialized = True + + async def _initialize(self): + self._queue = asyncio.LifoQueue(maxsize=self._maxsize) + for _ in range(self._maxsize): + ch = PoolConnectionHolder( + self, + max_queries=self._max_queries, + max_inactive_time=self._max_inactive_connection_lifetime, + setup=self._setup) + + self._holders.append(ch) + self._queue.put_nowait(ch) + + if self._minsize: + # Since we use a LIFO queue, the first items in the queue will be + # the last ones in `self._holders`. We want to pre-connect the + # first few connections in the queue, therefore we want to walk + # `self._holders` in reverse. + + # Connect the first connection holder in the queue so that it + # can record `_working_addr` and `_working_opts`, which will + # speed up successive connection attempts. + first_ch = self._holders[-1] # type: PoolConnectionHolder + await first_ch.connect() + + if self._minsize > 1: + connect_tasks = [] + for i, ch in enumerate(reversed(self._holders[:-1])): + # `minsize - 1` because we already have first_ch + if i >= self._minsize - 1: + break + connect_tasks.append(ch.connect()) + + await asyncio.gather(*connect_tasks) + + def set_connect_args(self, dsn=None, **connect_kwargs): + r"""Set the new connection arguments for this pool. + + The new connection arguments will be used for all subsequent + new connection attempts. Existing connections will remain until + they expire. Use :meth:`Pool.expire_connections() + ` to expedite the connection + expiry. + + :param str dsn: + Connection arguments specified using as a single string in + the following format: + ``postgres://user:pass@host:port/database?option=value``. + + :param \*\*connect_kwargs: + Keyword arguments for the :func:`~asyncpg.connection.connect` + function. + + .. versionadded:: 0.16.0 + """ + + self._connect_args = [dsn] + self._connect_kwargs = connect_kwargs + self._working_addr = None + self._working_config = None + self._working_params = None + + async def _get_new_connection(self): + if self._working_addr is None: + # First connection attempt on this pool. + con = await connection.connect( + *self._connect_args, + loop=self._loop, + connection_class=self._connection_class, + **self._connect_kwargs) + + self._working_addr = con._addr + self._working_config = con._config + self._working_params = con._params + + else: + # We've connected before and have a resolved address, + # and parsed options and config. + con = await connect_utils._connect_addr( + loop=self._loop, + addr=self._working_addr, + timeout=self._working_params.connect_timeout, + config=self._working_config, + params=self._working_params, + connection_class=self._connection_class) + + if self._init is not None: + try: + await self._init(con) + except (Exception, asyncio.CancelledError) as ex: + # If a user-defined `init` function fails, we don't + # know if the connection is safe for re-use, hence + # we close it. A new connection will be created + # when `acquire` is called again. + try: + # Use `close()` to close the connection gracefully. + # An exception in `init` isn't necessarily caused + # by an IO or a protocol error. close() will + # do the necessary cleanup via _release_on_close(). + await con.close() + finally: + raise ex + + return con + + async def execute(self, query: str, *args, timeout: float=None) -> str: + """Execute an SQL command (or commands). + + Pool performs this operation using one of its connections. Other than + that, it behaves identically to + :meth:`Connection.execute() `. + + .. versionadded:: 0.10.0 + """ + async with self.acquire() as con: + return await con.execute(query, *args, timeout=timeout) + + async def executemany(self, command: str, args, *, timeout: float=None): + """Execute an SQL *command* for each sequence of arguments in *args*. + + Pool performs this operation using one of its connections. Other than + that, it behaves identically to + :meth:`Connection.executemany() `. + + .. versionadded:: 0.10.0 + """ + async with self.acquire() as con: + return await con.executemany(command, args, timeout=timeout) + + async def fetch(self, query, *args, timeout=None) -> list: + """Run a query and return the results as a list of :class:`Record`. + + Pool performs this operation using one of its connections. Other than + that, it behaves identically to + :meth:`Connection.fetch() `. + + .. versionadded:: 0.10.0 + """ + async with self.acquire() as con: + return await con.fetch(query, *args, timeout=timeout) + + async def fetchval(self, query, *args, column=0, timeout=None): + """Run a query and return a value in the first row. + + Pool performs this operation using one of its connections. Other than + that, it behaves identically to + :meth:`Connection.fetchval() `. + + .. versionadded:: 0.10.0 + """ + async with self.acquire() as con: + return await con.fetchval( + query, *args, column=column, timeout=timeout) + + async def fetchrow(self, query, *args, timeout=None): + """Run a query and return the first row. + + Pool performs this operation using one of its connections. Other than + that, it behaves identically to + :meth:`Connection.fetchrow() `. + + .. versionadded:: 0.10.0 + """ + async with self.acquire() as con: + return await con.fetchrow(query, *args, timeout=timeout) + + def acquire(self, *, timeout=None): + """Acquire a database connection from the pool. + + :param float timeout: A timeout for acquiring a Connection. + :return: An instance of :class:`~asyncpg.connection.Connection`. + + Can be used in an ``await`` expression or with an ``async with`` block. + + .. code-block:: python + + async with pool.acquire() as con: + await con.execute(...) + + Or: + + .. code-block:: python + + con = await pool.acquire() + try: + await con.execute(...) + finally: + await pool.release(con) + """ + return PoolAcquireContext(self, timeout) + + async def _acquire(self, timeout): + async def _acquire_impl(): + ch = await self._queue.get() # type: PoolConnectionHolder + try: + proxy = await ch.acquire() # type: PoolConnectionProxy + except (Exception, asyncio.CancelledError): + self._queue.put_nowait(ch) + raise + else: + # Record the timeout, as we will apply it by default + # in release(). + ch._timeout = timeout + return proxy + + if self._closing: + raise exceptions.InterfaceError('pool is closing') + self._check_init() + + if timeout is None: + return await _acquire_impl() + else: + return await asyncio.wait_for( + _acquire_impl(), timeout=timeout) + + async def release(self, connection, *, timeout=None): + """Release a database connection back to the pool. + + :param Connection connection: + A :class:`~asyncpg.connection.Connection` object to release. + :param float timeout: + A timeout for releasing the connection. If not specified, defaults + to the timeout provided in the corresponding call to the + :meth:`Pool.acquire() ` method. + + .. versionchanged:: 0.14.0 + Added the *timeout* parameter. + """ + if (type(connection) is not PoolConnectionProxy or + connection._holder._pool is not self): + raise exceptions.InterfaceError( + 'Pool.release() received invalid connection: ' + '{connection!r} is not a member of this pool'.format( + connection=connection)) + + if connection._con is None: + # Already released, do nothing. + return + + self._check_init() + + # Let the connection do its internal housekeeping when its released. + connection._con._on_release() + + ch = connection._holder + if timeout is None: + timeout = ch._timeout + + # Use asyncio.shield() to guarantee that task cancellation + # does not prevent the connection from being returned to the + # pool properly. + return await asyncio.shield(ch.release(timeout)) + + async def close(self): + """Attempt to gracefully close all connections in the pool. + + Wait until all pool connections are released, close them and + shut down the pool. If any error (including cancellation) occurs + in ``close()`` the pool will terminate by calling + :meth:`Pool.terminate() `. + + It is advisable to use :func:`python:asyncio.wait_for` to set + a timeout. + + .. versionchanged:: 0.16.0 + ``close()`` now waits until all pool connections are released + before closing them and the pool. Errors raised in ``close()`` + will cause immediate pool termination. + """ + if self._closed: + return + self._check_init() + + self._closing = True + + warning_callback = None + try: + warning_callback = self._loop.call_later( + 60, self._warn_on_long_close) + + release_coros = [ + ch.wait_until_released() for ch in self._holders] + await asyncio.gather(*release_coros) + + close_coros = [ + ch.close() for ch in self._holders] + await asyncio.gather(*close_coros) + + except (Exception, asyncio.CancelledError): + self.terminate() + raise + + finally: + if warning_callback is not None: + warning_callback.cancel() + self._closed = True + self._closing = False + + def _warn_on_long_close(self): + logger.warning('Pool.close() is taking over 60 seconds to complete. ' + 'Check if you have any unreleased connections left. ' + 'Use asyncio.wait_for() to set a timeout for ' + 'Pool.close().') + + def terminate(self): + """Terminate all connections in the pool.""" + if self._closed: + return + self._check_init() + for ch in self._holders: + ch.terminate() + self._closed = True + + async def expire_connections(self): + """Expire all currently open connections. + + Cause all currently open connections to get replaced on the + next :meth:`~asyncpg.pool.Pool.acquire()` call. + + .. versionadded:: 0.16.0 + """ + self._generation += 1 + + def _check_init(self): + if not self._initialized: + if self._initializing: + raise exceptions.InterfaceError( + 'pool is being initialized, but not yet ready: ' + 'likely there is a race between creating a pool and ' + 'using it') + raise exceptions.InterfaceError('pool is not initialized') + if self._closed: + raise exceptions.InterfaceError('pool is closed') + + def _drop_statement_cache(self): + # Drop statement cache for all connections in the pool. + for ch in self._holders: + if ch._con is not None: + ch._con._drop_local_statement_cache() + + def _drop_type_cache(self): + # Drop type codec cache for all connections in the pool. + for ch in self._holders: + if ch._con is not None: + ch._con._drop_local_type_cache() + + def __await__(self): + return self._async__init__().__await__() + + async def __aenter__(self): + await self._async__init__() + return self + + async def __aexit__(self, *exc): + await self.close() + + +class PoolAcquireContext: + + __slots__ = ('timeout', 'connection', 'done', 'pool') + + def __init__(self, pool, timeout): + self.pool = pool + self.timeout = timeout + self.connection = None + self.done = False + + async def __aenter__(self): + if self.connection is not None or self.done: + raise exceptions.InterfaceError('a connection is already acquired') + self.connection = await self.pool._acquire(self.timeout) + return self.connection + + async def __aexit__(self, *exc): + self.done = True + con = self.connection + self.connection = None + await self.pool.release(con) + + def __await__(self): + self.done = True + return self.pool._acquire(self.timeout).__await__() + + +def create_pool(dsn=None, *, + min_size=10, + max_size=10, + max_queries=50000, + max_inactive_connection_lifetime=300.0, + setup=None, + init=None, + loop=None, + connection_class=connection.Connection, + **connect_kwargs): + r"""Create a connection pool. + + Can be used either with an ``async with`` block: + + .. code-block:: python + + async with asyncpg.create_pool(user='postgres', + command_timeout=60) as pool: + await pool.fetch('SELECT 1') + + Or to perform multiple operations on a single connection: + + .. code-block:: python + + async with asyncpg.create_pool(user='postgres', + command_timeout=60) as pool: + async with pool.acquire() as con: + await con.execute(''' + CREATE TABLE names ( + id serial PRIMARY KEY, + name VARCHAR (255) NOT NULL) + ''') + await con.fetch('SELECT 1') + + Or directly with ``await`` (not recommended): + + .. code-block:: python + + pool = await asyncpg.create_pool(user='postgres', command_timeout=60) + con = await pool.acquire() + try: + await con.fetch('SELECT 1') + finally: + await pool.release(con) + + .. warning:: + Prepared statements and cursors returned by + :meth:`Connection.prepare() ` and + :meth:`Connection.cursor() ` become + invalid once the connection is released. Likewise, all notification + and log listeners are removed, and ``asyncpg`` will issue a warning + if there are any listener callbacks registered on a connection that + is being released to the pool. + + :param str dsn: + Connection arguments specified using as a single string in + the following format: + ``postgres://user:pass@host:port/database?option=value``. + + :param \*\*connect_kwargs: + Keyword arguments for the :func:`~asyncpg.connection.connect` + function. + + :param Connection connection_class: + The class to use for connections. Must be a subclass of + :class:`~asyncpg.connection.Connection`. + + :param int min_size: + Number of connection the pool will be initialized with. + + :param int max_size: + Max number of connections in the pool. + + :param int max_queries: + Number of queries after a connection is closed and replaced + with a new connection. + + :param float max_inactive_connection_lifetime: + Number of seconds after which inactive connections in the + pool will be closed. Pass ``0`` to disable this mechanism. + + :param coroutine setup: + A coroutine to prepare a connection right before it is returned + from :meth:`Pool.acquire() `. An example use + case would be to automatically set up notifications listeners for + all connections of a pool. + + :param coroutine init: + A coroutine to initialize a connection when it is created. + An example use case would be to setup type codecs with + :meth:`Connection.set_builtin_type_codec() <\ + asyncpg.connection.Connection.set_builtin_type_codec>` + or :meth:`Connection.set_type_codec() <\ + asyncpg.connection.Connection.set_type_codec>`. + + :param loop: + An asyncio event loop instance. If ``None``, the default + event loop will be used. + + :return: An instance of :class:`~asyncpg.pool.Pool`. + + .. versionchanged:: 0.10.0 + An :exc:`~asyncpg.exceptions.InterfaceError` will be raised on any + attempted operation on a released connection. + + .. versionchanged:: 0.13.0 + An :exc:`~asyncpg.exceptions.InterfaceError` will be raised on any + attempted operation on a prepared statement or a cursor created + on a connection that has been released to the pool. + + .. versionchanged:: 0.13.0 + An :exc:`~asyncpg.exceptions.InterfaceWarning` will be produced + if there are any active listeners (added via + :meth:`Connection.add_listener() ` + or :meth:`Connection.add_log_listener() + `) present on the connection + at the moment of its release to the pool. + """ + return Pool( + dsn, + connection_class=connection_class, + min_size=min_size, max_size=max_size, + max_queries=max_queries, loop=loop, setup=setup, init=init, + max_inactive_connection_lifetime=max_inactive_connection_lifetime, + **connect_kwargs) diff --git a/asyncpg/prepared_stmt.py b/asyncpg/prepared_stmt.py new file mode 100644 index 0000000..09a0a2e --- /dev/null +++ b/asyncpg/prepared_stmt.py @@ -0,0 +1,227 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import json + +from . import connresource +from . import cursor +from . import exceptions + + +class PreparedStatement(connresource.ConnectionResource): + """A representation of a prepared statement.""" + + __slots__ = ('_state', '_query', '_last_status') + + def __init__(self, connection, query, state): + super().__init__(connection) + self._state = state + self._query = query + state.attach() + self._last_status = None + + @connresource.guarded + def get_query(self) -> str: + """Return the text of the query for this prepared statement. + + Example:: + + stmt = await connection.prepare('SELECT $1::int') + assert stmt.get_query() == "SELECT $1::int" + """ + return self._query + + @connresource.guarded + def get_statusmsg(self) -> str: + """Return the status of the executed command. + + Example:: + + stmt = await connection.prepare('CREATE TABLE mytab (a int)') + await stmt.fetch() + assert stmt.get_statusmsg() == "CREATE TABLE" + """ + if self._last_status is None: + return self._last_status + return self._last_status.decode() + + @connresource.guarded + def get_parameters(self): + """Return a description of statement parameters types. + + :return: A tuple of :class:`asyncpg.types.Type`. + + Example:: + + stmt = await connection.prepare('SELECT ($1::int, $2::text)') + print(stmt.get_parameters()) + + # Will print: + # (Type(oid=23, name='int4', kind='scalar', schema='pg_catalog'), + # Type(oid=25, name='text', kind='scalar', schema='pg_catalog')) + """ + return self._state._get_parameters() + + @connresource.guarded + def get_attributes(self): + """Return a description of relation attributes (columns). + + :return: A tuple of :class:`asyncpg.types.Attribute`. + + Example:: + + st = await self.con.prepare(''' + SELECT typname, typnamespace FROM pg_type + ''') + print(st.get_attributes()) + + # Will print: + # (Attribute( + # name='typname', + # type=Type(oid=19, name='name', kind='scalar', + # schema='pg_catalog')), + # Attribute( + # name='typnamespace', + # type=Type(oid=26, name='oid', kind='scalar', + # schema='pg_catalog'))) + """ + return self._state._get_attributes() + + @connresource.guarded + def cursor(self, *args, prefetch=None, + timeout=None) -> cursor.CursorFactory: + """Return a *cursor factory* for the prepared statement. + + :param args: Query arguments. + :param int prefetch: The number of rows the *cursor iterator* + will prefetch (defaults to ``50``.) + :param float timeout: Optional timeout in seconds. + + :return: A :class:`~cursor.CursorFactory` object. + """ + return cursor.CursorFactory(self._connection, self._query, + self._state, args, prefetch, + timeout) + + @connresource.guarded + async def explain(self, *args, analyze=False): + """Return the execution plan of the statement. + + :param args: Query arguments. + :param analyze: If ``True``, the statement will be executed and + the run time statitics added to the return value. + + :return: An object representing the execution plan. This value + is actually a deserialized JSON output of the SQL + ``EXPLAIN`` command. + """ + query = 'EXPLAIN (FORMAT JSON, VERBOSE' + if analyze: + query += ', ANALYZE) ' + else: + query += ') ' + query += self._state.query + + if analyze: + # From PostgreSQL docs: + # Important: Keep in mind that the statement is actually + # executed when the ANALYZE option is used. Although EXPLAIN + # will discard any output that a SELECT would return, other + # side effects of the statement will happen as usual. If you + # wish to use EXPLAIN ANALYZE on an INSERT, UPDATE, DELETE, + # CREATE TABLE AS, or EXECUTE statement without letting the + # command affect your data, use this approach: + # BEGIN; + # EXPLAIN ANALYZE ...; + # ROLLBACK; + tr = self._connection.transaction() + await tr.start() + try: + data = await self._connection.fetchval(query, *args) + finally: + await tr.rollback() + else: + data = await self._connection.fetchval(query, *args) + + return json.loads(data) + + @connresource.guarded + async def fetch(self, *args, timeout=None): + r"""Execute the statement and return a list of :class:`Record` objects. + + :param str query: Query text + :param args: Query arguments + :param float timeout: Optional timeout value in seconds. + + :return: A list of :class:`Record` instances. + """ + data = await self.__bind_execute(args, 0, timeout) + return data + + @connresource.guarded + async def fetchval(self, *args, column=0, timeout=None): + """Execute the statement and return a value in the first row. + + :param args: Query arguments. + :param int column: Numeric index within the record of the value to + return (defaults to 0). + :param float timeout: Optional timeout value in seconds. + If not specified, defaults to the value of + ``command_timeout`` argument to the ``Connection`` + instance constructor. + + :return: The value of the specified column of the first record. + """ + data = await self.__bind_execute(args, 1, timeout) + if not data: + return None + return data[0][column] + + @connresource.guarded + async def fetchrow(self, *args, timeout=None): + """Execute the statement and return the first row. + + :param str query: Query text + :param args: Query arguments + :param float timeout: Optional timeout value in seconds. + + :return: The first row as a :class:`Record` instance. + """ + data = await self.__bind_execute(args, 1, timeout) + if not data: + return None + return data[0] + + async def __bind_execute(self, args, limit, timeout): + protocol = self._connection._protocol + try: + data, status, _ = await protocol.bind_execute( + self._state, args, '', limit, True, timeout) + except exceptions.OutdatedSchemaCacheError: + await self._connection.reload_schema_state() + # We can not find all manually created prepared statements, so just + # drop known cached ones in the `self._connection`. + # Other manually created prepared statements will fail and + # invalidate themselves (unfortunately, clearing caches again). + self._state.mark_closed() + raise + self._last_status = status + return data + + def _check_open(self, meth_name): + if self._state.closed: + raise exceptions.InterfaceError( + 'cannot call PreparedStmt.{}(): ' + 'the prepared statement is closed'.format(meth_name)) + + def _check_conn_validity(self, meth_name): + self._check_open(meth_name) + super()._check_conn_validity(meth_name) + + def __del__(self): + self._state.detach() + self._connection._maybe_gc_stmt(self._state) diff --git a/asyncpg/protocol/__init__.py b/asyncpg/protocol/__init__.py new file mode 100644 index 0000000..e872e2f --- /dev/null +++ b/asyncpg/protocol/__init__.py @@ -0,0 +1,8 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from .protocol import Protocol, Record, NO_TIMEOUT # NOQA diff --git a/asyncpg/protocol/codecs/__init__.py b/asyncpg/protocol/codecs/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/asyncpg/protocol/codecs/array.pyx b/asyncpg/protocol/codecs/array.pyx new file mode 100644 index 0000000..e975b9f --- /dev/null +++ b/asyncpg/protocol/codecs/array.pyx @@ -0,0 +1,885 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from collections.abc import (Iterable as IterableABC, + Mapping as MappingABC, + Sized as SizedABC) + +from asyncpg import exceptions + + +DEF ARRAY_MAXDIM = 6 # defined in postgresql/src/includes/c.h + +# "NULL" +cdef Py_UCS4 *APG_NULL = [0x004E, 0x0055, 0x004C, 0x004C, 0x0000] + + +ctypedef object (*encode_func_ex)(ConnectionSettings settings, + WriteBuffer buf, + object obj, + const void *arg) + + +ctypedef object (*decode_func_ex)(ConnectionSettings settings, + FRBuffer *buf, + const void *arg) + + +cdef inline bint _is_trivial_container(object obj): + return cpython.PyUnicode_Check(obj) or cpython.PyBytes_Check(obj) or \ + cpythonx.PyByteArray_Check(obj) or cpythonx.PyMemoryView_Check(obj) + + +cdef inline _is_array_iterable(object obj): + return ( + isinstance(obj, IterableABC) and + isinstance(obj, SizedABC) and + not _is_trivial_container(obj) and + not isinstance(obj, MappingABC) + ) + + +cdef inline _is_sub_array_iterable(object obj): + # Sub-arrays have a specialized check, because we treat + # nested tuples as records. + return _is_array_iterable(obj) and not cpython.PyTuple_Check(obj) + + +cdef _get_array_shape(object obj, int32_t *dims, int32_t *ndims): + cdef: + ssize_t mylen = len(obj) + ssize_t elemlen = -2 + object it + + if mylen > _MAXINT32: + raise ValueError('too many elements in array value') + + if ndims[0] > ARRAY_MAXDIM: + raise ValueError( + 'number of array dimensions ({}) exceed the maximum expected ({})'. + format(ndims[0], ARRAY_MAXDIM)) + + dims[ndims[0] - 1] = mylen + + for elem in obj: + if _is_sub_array_iterable(elem): + if elemlen == -2: + elemlen = len(elem) + if elemlen > _MAXINT32: + raise ValueError('too many elements in array value') + ndims[0] += 1 + _get_array_shape(elem, dims, ndims) + else: + if len(elem) != elemlen: + raise ValueError('non-homogeneous array') + else: + if elemlen >= 0: + raise ValueError('non-homogeneous array') + else: + elemlen = -1 + + +cdef _write_array_data(ConnectionSettings settings, object obj, int32_t ndims, + int32_t dim, WriteBuffer elem_data, + encode_func_ex encoder, const void *encoder_arg): + if dim < ndims - 1: + for item in obj: + _write_array_data(settings, item, ndims, dim + 1, elem_data, + encoder, encoder_arg) + else: + for item in obj: + if item is None: + elem_data.write_int32(-1) + else: + try: + encoder(settings, elem_data, item, encoder_arg) + except TypeError as e: + raise ValueError( + 'invalid array element: {}'.format(e.args[0])) from None + + +cdef inline array_encode(ConnectionSettings settings, WriteBuffer buf, + object obj, uint32_t elem_oid, + encode_func_ex encoder, const void *encoder_arg): + cdef: + WriteBuffer elem_data + int32_t dims[ARRAY_MAXDIM] + int32_t ndims = 1 + int32_t i + + if not _is_array_iterable(obj): + raise TypeError( + 'a sized iterable container expected (got type {!r})'.format( + type(obj).__name__)) + + _get_array_shape(obj, dims, &ndims) + + elem_data = WriteBuffer.new() + + if ndims > 1: + _write_array_data(settings, obj, ndims, 0, elem_data, + encoder, encoder_arg) + else: + for i, item in enumerate(obj): + if item is None: + elem_data.write_int32(-1) + else: + try: + encoder(settings, elem_data, item, encoder_arg) + except TypeError as e: + raise ValueError( + 'invalid array element at index {}: {}'.format( + i, e.args[0])) from None + + buf.write_int32(12 + 8 * ndims + elem_data.len()) + # Number of dimensions + buf.write_int32(ndims) + # flags + buf.write_int32(0) + # element type + buf.write_int32(elem_oid) + # upper / lower bounds + for i in range(ndims): + buf.write_int32(dims[i]) + buf.write_int32(1) + # element data + buf.write_buffer(elem_data) + + +cdef _write_textarray_data(ConnectionSettings settings, object obj, + int32_t ndims, int32_t dim, WriteBuffer array_data, + encode_func_ex encoder, const void *encoder_arg, + Py_UCS4 typdelim): + cdef: + ssize_t i = 0 + int8_t delim = typdelim + WriteBuffer elem_data + Py_buffer pybuf + const char *elem_str + char ch + ssize_t elem_len + ssize_t quoted_elem_len + bint need_quoting + + array_data.write_byte(b'{') + + if dim < ndims - 1: + for item in obj: + if i > 0: + array_data.write_byte(delim) + array_data.write_byte(b' ') + _write_textarray_data(settings, item, ndims, dim + 1, array_data, + encoder, encoder_arg, typdelim) + i += 1 + else: + for item in obj: + elem_data = WriteBuffer.new() + + if i > 0: + array_data.write_byte(delim) + array_data.write_byte(b' ') + + if item is None: + array_data.write_bytes(b'NULL') + i += 1 + continue + else: + try: + encoder(settings, elem_data, item, encoder_arg) + except TypeError as e: + raise ValueError( + 'invalid array element: {}'.format( + e.args[0])) from None + + # element string length (first four bytes are the encoded length.) + elem_len = elem_data.len() - 4 + + if elem_len == 0: + # Empty string + array_data.write_bytes(b'""') + else: + cpython.PyObject_GetBuffer( + elem_data, &pybuf, cpython.PyBUF_SIMPLE) + + elem_str = (pybuf.buf) + 4 + + try: + if not apg_strcasecmp_char(elem_str, b'NULL'): + array_data.write_bytes(b'"NULL"') + else: + quoted_elem_len = elem_len + need_quoting = False + + for i in range(elem_len): + ch = elem_str[i] + if ch == b'"' or ch == b'\\': + # Quotes and backslashes need escaping. + quoted_elem_len += 1 + need_quoting = True + elif (ch == b'{' or ch == b'}' or ch == delim or + apg_ascii_isspace(ch)): + need_quoting = True + + if need_quoting: + array_data.write_byte(b'"') + + if quoted_elem_len == elem_len: + array_data.write_cstr(elem_str, elem_len) + else: + # Escaping required. + for i in range(elem_len): + ch = elem_str[i] + if ch == b'"' or ch == b'\\': + array_data.write_byte(b'\\') + array_data.write_byte(ch) + + array_data.write_byte(b'"') + else: + array_data.write_cstr(elem_str, elem_len) + finally: + cpython.PyBuffer_Release(&pybuf) + + i += 1 + + array_data.write_byte(b'}') + + +cdef inline textarray_encode(ConnectionSettings settings, WriteBuffer buf, + object obj, encode_func_ex encoder, + const void *encoder_arg, Py_UCS4 typdelim): + cdef: + WriteBuffer array_data + int32_t dims[ARRAY_MAXDIM] + int32_t ndims = 1 + int32_t i + + if not _is_array_iterable(obj): + raise TypeError( + 'a sized iterable container expected (got type {!r})'.format( + type(obj).__name__)) + + _get_array_shape(obj, dims, &ndims) + + array_data = WriteBuffer.new() + _write_textarray_data(settings, obj, ndims, 0, array_data, + encoder, encoder_arg, typdelim) + buf.write_int32(array_data.len()) + buf.write_buffer(array_data) + + +cdef inline array_decode(ConnectionSettings settings, FRBuffer *buf, + decode_func_ex decoder, const void *decoder_arg): + cdef: + int32_t ndims = hton.unpack_int32(frb_read(buf, 4)) + int32_t flags = hton.unpack_int32(frb_read(buf, 4)) + uint32_t elem_oid = hton.unpack_int32(frb_read(buf, 4)) + list result + int i + int32_t elem_len + int32_t elem_count = 1 + FRBuffer elem_buf + int32_t dims[ARRAY_MAXDIM] + Codec elem_codec + + if ndims == 0: + return [] + + if ndims > ARRAY_MAXDIM: + raise exceptions.ProtocolError( + 'number of array dimensions ({}) exceed the maximum expected ({})'. + format(ndims, ARRAY_MAXDIM)) + elif ndims < 0: + raise exceptions.ProtocolError( + 'unexpected array dimensions value: {}'.format(ndims)) + + for i in range(ndims): + dims[i] = hton.unpack_int32(frb_read(buf, 4)) + if dims[i] < 0: + raise exceptions.ProtocolError( + 'unexpected array dimension size: {}'.format(dims[i])) + # Ignore the lower bound information + frb_read(buf, 4) + + if ndims == 1: + # Fast path for flat arrays + elem_count = dims[0] + result = cpython.PyList_New(elem_count) + + for i in range(elem_count): + elem_len = hton.unpack_int32(frb_read(buf, 4)) + if elem_len == -1: + elem = None + else: + frb_slice_from(&elem_buf, buf, elem_len) + elem = decoder(settings, &elem_buf, decoder_arg) + + cpython.Py_INCREF(elem) + cpython.PyList_SET_ITEM(result, i, elem) + + else: + result = _nested_array_decode(settings, buf, + decoder, decoder_arg, ndims, dims, + &elem_buf) + + return result + + +cdef _nested_array_decode(ConnectionSettings settings, + FRBuffer *buf, + decode_func_ex decoder, + const void *decoder_arg, + int32_t ndims, int32_t *dims, + FRBuffer *elem_buf): + + cdef: + int32_t elem_len + int64_t i, j + int64_t array_len = 1 + object elem, stride + # An array of pointers to lists for each current array level. + void *strides[ARRAY_MAXDIM] + # An array of current positions at each array level. + int32_t indexes[ARRAY_MAXDIM] + + for i in range(ndims): + array_len *= dims[i] + indexes[i] = 0 + strides[i] = NULL + + if array_len == 0: + # A multidimensional array with a zero-sized dimension? + return [] + + elif array_len < 0: + # Array length overflow + raise exceptions.ProtocolError('array length overflow') + + for i in range(array_len): + # Decode the element. + elem_len = hton.unpack_int32(frb_read(buf, 4)) + if elem_len == -1: + elem = None + else: + elem = decoder(settings, + frb_slice_from(elem_buf, buf, elem_len), + decoder_arg) + + # Take an explicit reference for PyList_SET_ITEM in the below + # loop expects this. + cpython.Py_INCREF(elem) + + # Iterate over array dimentions and put the element in + # the correctly nested sublist. + for j in reversed(range(ndims)): + if indexes[j] == 0: + # Allocate the list for this array level. + stride = cpython.PyList_New(dims[j]) + + strides[j] = stride + # Take an explicit reference for PyList_SET_ITEM below + # expects this. + cpython.Py_INCREF(stride) + + stride = strides[j] + cpython.PyList_SET_ITEM(stride, indexes[j], elem) + indexes[j] += 1 + + if indexes[j] == dims[j] and j != 0: + # This array level is full, continue the + # ascent in the dimensions so that this level + # sublist will be appened to the parent list. + elem = stride + # Reset the index, this will cause the + # new list to be allocated on the next + # iteration on this array axis. + indexes[j] = 0 + else: + break + + stride = strides[0] + # Since each element in strides has a refcount of 1, + # returning strides[0] will increment it to 2, so + # balance that. + cpython.Py_DECREF(stride) + return stride + + +cdef textarray_decode(ConnectionSettings settings, FRBuffer *buf, + decode_func_ex decoder, const void *decoder_arg, + Py_UCS4 typdelim): + cdef: + Py_UCS4 *array_text + str s + + # Make a copy of array data since we will be mutating it for + # the purposes of element decoding. + s = pgproto.text_decode(settings, buf) + array_text = cpythonx.PyUnicode_AsUCS4Copy(s) + + try: + return _textarray_decode( + settings, array_text, decoder, decoder_arg, typdelim) + except ValueError as e: + raise exceptions.ProtocolError( + 'malformed array literal {!r}: {}'.format(s, e.args[0])) + finally: + cpython.PyMem_Free(array_text) + + +cdef _textarray_decode(ConnectionSettings settings, + Py_UCS4 *array_text, + decode_func_ex decoder, + const void *decoder_arg, + Py_UCS4 typdelim): + + cdef: + bytearray array_bytes + list result + list new_stride + Py_UCS4 *ptr + int32_t ndims = 0 + int32_t ubound = 0 + int32_t lbound = 0 + int32_t dims[ARRAY_MAXDIM] + int32_t inferred_dims[ARRAY_MAXDIM] + int32_t inferred_ndims = 0 + void *strides[ARRAY_MAXDIM] + int32_t indexes[ARRAY_MAXDIM] + int32_t nest_level = 0 + int32_t item_level = 0 + bint end_of_array = False + + bint end_of_item = False + bint has_quoting = False + bint strip_spaces = False + bint in_quotes = False + Py_UCS4 *item_start + Py_UCS4 *item_ptr + Py_UCS4 *item_end + + int i + object item + str item_text + FRBuffer item_buf + char *pg_item_str + ssize_t pg_item_len + + ptr = array_text + + while True: + while apg_ascii_isspace(ptr[0]): + ptr += 1 + + if ptr[0] != '[': + # Finished parsing dimensions spec. + break + + ptr += 1 # '[' + + if ndims > ARRAY_MAXDIM: + raise ValueError( + 'number of array dimensions ({}) exceed the ' + 'maximum expected ({})'.format(ndims, ARRAY_MAXDIM)) + + ptr = apg_parse_int32(ptr, &ubound) + if ptr == NULL: + raise ValueError('missing array dimension value') + + if ptr[0] == ':': + ptr += 1 + lbound = ubound + + # [lower:upper] spec. We disregard the lbound for decoding. + ptr = apg_parse_int32(ptr, &ubound) + if ptr == NULL: + raise ValueError('missing array dimension value') + else: + lbound = 1 + + if ptr[0] != ']': + raise ValueError('missing \']\' after array dimensions') + + ptr += 1 # ']' + + dims[ndims] = ubound - lbound + 1 + ndims += 1 + + if ndims != 0: + # If dimensions were given, the '=' token is expected. + if ptr[0] != '=': + raise ValueError('missing \'=\' after array dimensions') + + ptr += 1 # '=' + + # Skip any whitespace after the '=', whitespace + # before was consumed in the above loop. + while apg_ascii_isspace(ptr[0]): + ptr += 1 + + # Infer the dimensions from the brace structure in the + # array literal body, and check that it matches the explicit + # spec. This also validates that the array literal is sane. + _infer_array_dims(ptr, typdelim, inferred_dims, &inferred_ndims) + + if inferred_ndims != ndims: + raise ValueError( + 'specified array dimensions do not match array content') + + for i in range(ndims): + if inferred_dims[i] != dims[i]: + raise ValueError( + 'specified array dimensions do not match array content') + else: + # Infer the dimensions from the brace structure in the array literal + # body. This also validates that the array literal is sane. + _infer_array_dims(ptr, typdelim, dims, &ndims) + + while not end_of_array: + # We iterate over the literal character by character + # and modify the string in-place removing the array-specific + # quoting and determining the boundaries of each element. + end_of_item = has_quoting = in_quotes = False + strip_spaces = True + + # Pointers to array element start, end, and the current pointer + # tracking the position where characters are written when + # escaping is folded. + item_start = item_end = item_ptr = ptr + item_level = 0 + + while not end_of_item: + if ptr[0] == '"': + in_quotes = not in_quotes + if in_quotes: + strip_spaces = False + else: + item_end = item_ptr + has_quoting = True + + elif ptr[0] == '\\': + # Quoted character, collapse the backslash. + ptr += 1 + has_quoting = True + item_ptr[0] = ptr[0] + item_ptr += 1 + strip_spaces = False + item_end = item_ptr + + elif in_quotes: + # Consume the string until we see the closing quote. + item_ptr[0] = ptr[0] + item_ptr += 1 + + elif ptr[0] == '{': + # Nesting level increase. + nest_level += 1 + + indexes[nest_level - 1] = 0 + new_stride = cpython.PyList_New(dims[nest_level - 1]) + strides[nest_level - 1] = \ + (new_stride) + + if nest_level > 1: + cpython.Py_INCREF(new_stride) + cpython.PyList_SET_ITEM( + strides[nest_level - 2], + indexes[nest_level - 2], + new_stride) + else: + result = new_stride + + elif ptr[0] == '}': + if item_level == 0: + # Make sure we keep track of which nesting + # level the item belongs to, as the loop + # will continue to consume closing braces + # until the delimiter or the end of input. + item_level = nest_level + + nest_level -= 1 + + if nest_level == 0: + end_of_array = end_of_item = True + + elif ptr[0] == typdelim: + # Array element delimiter, + end_of_item = True + if item_level == 0: + item_level = nest_level + + elif apg_ascii_isspace(ptr[0]): + if not strip_spaces: + item_ptr[0] = ptr[0] + item_ptr += 1 + # Ignore the leading literal whitespace. + + else: + item_ptr[0] = ptr[0] + item_ptr += 1 + strip_spaces = False + item_end = item_ptr + + ptr += 1 + + # end while not end_of_item + + if item_end == item_start: + # Empty array + continue + + item_end[0] = '\0' + + if not has_quoting and apg_strcasecmp(item_start, APG_NULL) == 0: + # NULL element. + item = None + else: + # XXX: find a way to avoid the redundant encode/decode + # cycle here. + item_text = cpythonx.PyUnicode_FromKindAndData( + cpythonx.PyUnicode_4BYTE_KIND, + item_start, + item_end - item_start) + + # Prepare the element buffer and call the text decoder + # for the element type. + pgproto.as_pg_string_and_size( + settings, item_text, &pg_item_str, &pg_item_len) + frb_init(&item_buf, pg_item_str, pg_item_len) + item = decoder(settings, &item_buf, decoder_arg) + + # Place the decoded element in the array. + cpython.Py_INCREF(item) + cpython.PyList_SET_ITEM( + strides[item_level - 1], + indexes[item_level - 1], + item) + + if nest_level > 0: + indexes[nest_level - 1] += 1 + + return result + + +cdef enum _ArrayParseState: + APS_START = 1 + APS_STRIDE_STARTED = 2 + APS_STRIDE_DONE = 3 + APS_STRIDE_DELIMITED = 4 + APS_ELEM_STARTED = 5 + APS_ELEM_DELIMITED = 6 + + +cdef _UnexpectedCharacter(const Py_UCS4 *array_text, const Py_UCS4 *ptr): + return ValueError('unexpected character {!r} at position {}'.format( + cpython.PyUnicode_FromOrdinal(ptr[0]), ptr - array_text + 1)) + + +cdef _infer_array_dims(const Py_UCS4 *array_text, + Py_UCS4 typdelim, + int32_t *dims, + int32_t *ndims): + cdef: + const Py_UCS4 *ptr = array_text + int i + int nest_level = 0 + bint end_of_array = False + bint end_of_item = False + bint in_quotes = False + bint array_is_empty = True + int stride_len[ARRAY_MAXDIM] + int prev_stride_len[ARRAY_MAXDIM] + _ArrayParseState parse_state = APS_START + + for i in range(ARRAY_MAXDIM): + dims[i] = prev_stride_len[i] = 0 + stride_len[i] = 1 + + while not end_of_array: + end_of_item = False + + while not end_of_item: + if ptr[0] == '\0': + raise ValueError('unexpected end of string') + + elif ptr[0] == '"': + if (parse_state not in (APS_STRIDE_STARTED, + APS_ELEM_DELIMITED) and + not (parse_state == APS_ELEM_STARTED and in_quotes)): + raise _UnexpectedCharacter(array_text, ptr) + + in_quotes = not in_quotes + if in_quotes: + parse_state = APS_ELEM_STARTED + array_is_empty = False + + elif ptr[0] == '\\': + if parse_state not in (APS_STRIDE_STARTED, + APS_ELEM_STARTED, + APS_ELEM_DELIMITED): + raise _UnexpectedCharacter(array_text, ptr) + + parse_state = APS_ELEM_STARTED + array_is_empty = False + + if ptr[1] != '\0': + ptr += 1 + else: + raise ValueError('unexpected end of string') + + elif in_quotes: + # Ignore everything inside the quotes. + pass + + elif ptr[0] == '{': + if parse_state not in (APS_START, + APS_STRIDE_STARTED, + APS_STRIDE_DELIMITED): + raise _UnexpectedCharacter(array_text, ptr) + + parse_state = APS_STRIDE_STARTED + if nest_level >= ARRAY_MAXDIM: + raise ValueError( + 'number of array dimensions ({}) exceed the ' + 'maximum expected ({})'.format( + nest_level, ARRAY_MAXDIM)) + + dims[nest_level] = 0 + nest_level += 1 + if ndims[0] < nest_level: + ndims[0] = nest_level + + elif ptr[0] == '}': + if (parse_state not in (APS_ELEM_STARTED, APS_STRIDE_DONE) and + not (nest_level == 1 and + parse_state == APS_STRIDE_STARTED)): + raise _UnexpectedCharacter(array_text, ptr) + + parse_state = APS_STRIDE_DONE + + if nest_level == 0: + raise _UnexpectedCharacter(array_text, ptr) + + nest_level -= 1 + + if (prev_stride_len[nest_level] != 0 and + stride_len[nest_level] != prev_stride_len[nest_level]): + raise ValueError( + 'inconsistent sub-array dimensions' + ' at position {}'.format( + ptr - array_text + 1)) + + prev_stride_len[nest_level] = stride_len[nest_level] + stride_len[nest_level] = 1 + if nest_level == 0: + end_of_array = end_of_item = True + else: + dims[nest_level - 1] += 1 + + elif ptr[0] == typdelim: + if parse_state not in (APS_ELEM_STARTED, APS_STRIDE_DONE): + raise _UnexpectedCharacter(array_text, ptr) + + if parse_state == APS_STRIDE_DONE: + parse_state = APS_STRIDE_DELIMITED + else: + parse_state = APS_ELEM_DELIMITED + end_of_item = True + stride_len[nest_level - 1] += 1 + + elif not apg_ascii_isspace(ptr[0]): + if parse_state not in (APS_STRIDE_STARTED, + APS_ELEM_STARTED, + APS_ELEM_DELIMITED): + raise _UnexpectedCharacter(array_text, ptr) + + parse_state = APS_ELEM_STARTED + array_is_empty = False + + if not end_of_item: + ptr += 1 + + if not array_is_empty: + dims[ndims[0] - 1] += 1 + + ptr += 1 + + # only whitespace is allowed after the closing brace + while ptr[0] != '\0': + if not apg_ascii_isspace(ptr[0]): + raise _UnexpectedCharacter(array_text, ptr) + + ptr += 1 + + if array_is_empty: + ndims[0] = 0 + + +cdef uint4_encode_ex(ConnectionSettings settings, WriteBuffer buf, object obj, + const void *arg): + return pgproto.uint4_encode(settings, buf, obj) + + +cdef uint4_decode_ex(ConnectionSettings settings, FRBuffer *buf, + const void *arg): + return pgproto.uint4_decode(settings, buf) + + +cdef arrayoid_encode(ConnectionSettings settings, WriteBuffer buf, items): + array_encode(settings, buf, items, OIDOID, + &uint4_encode_ex, NULL) + + +cdef arrayoid_decode(ConnectionSettings settings, FRBuffer *buf): + return array_decode(settings, buf, &uint4_decode_ex, NULL) + + +cdef text_encode_ex(ConnectionSettings settings, WriteBuffer buf, object obj, + const void *arg): + return pgproto.text_encode(settings, buf, obj) + + +cdef text_decode_ex(ConnectionSettings settings, FRBuffer *buf, + const void *arg): + return pgproto.text_decode(settings, buf) + + +cdef arraytext_encode(ConnectionSettings settings, WriteBuffer buf, items): + array_encode(settings, buf, items, TEXTOID, + &text_encode_ex, NULL) + + +cdef arraytext_decode(ConnectionSettings settings, FRBuffer *buf): + return array_decode(settings, buf, &text_decode_ex, NULL) + + +cdef anyarray_decode(ConnectionSettings settings, FRBuffer *buf): + # Instances of anyarray (or any other polymorphic pseudotype) are + # never supposed to be returned from actual queries. + raise exceptions.ProtocolError( + 'unexpected instance of \'anyarray\' type') + + +cdef init_array_codecs(): + register_core_codec(ANYARRAYOID, + NULL, + &anyarray_decode, + PG_FORMAT_BINARY) + + # oid[] and text[] are registered as core codecs + # to make type introspection query work + # + register_core_codec(_OIDOID, + &arrayoid_encode, + &arrayoid_decode, + PG_FORMAT_BINARY) + + register_core_codec(_TEXTOID, + &arraytext_encode, + &arraytext_decode, + PG_FORMAT_BINARY) + +init_array_codecs() diff --git a/asyncpg/protocol/codecs/base.pxd b/asyncpg/protocol/codecs/base.pxd new file mode 100644 index 0000000..be1f0a3 --- /dev/null +++ b/asyncpg/protocol/codecs/base.pxd @@ -0,0 +1,170 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +ctypedef object (*encode_func)(ConnectionSettings settings, + WriteBuffer buf, + object obj) + +ctypedef object (*decode_func)(ConnectionSettings settings, + FRBuffer *buf) + +ctypedef object (*codec_encode_func)(Codec codec, + ConnectionSettings settings, + WriteBuffer buf, + object obj) + +ctypedef object (*codec_decode_func)(Codec codec, + ConnectionSettings settings, + FRBuffer *buf) + + +cdef enum CodecType: + CODEC_UNDEFINED = 0 + CODEC_C = 1 + CODEC_PY = 2 + CODEC_ARRAY = 3 + CODEC_COMPOSITE = 4 + CODEC_RANGE = 5 + + +cdef enum ServerDataFormat: + PG_FORMAT_ANY = -1 + PG_FORMAT_TEXT = 0 + PG_FORMAT_BINARY = 1 + + +cdef enum ClientExchangeFormat: + PG_XFORMAT_OBJECT = 1 + PG_XFORMAT_TUPLE = 2 + + +cdef class Codec: + cdef: + uint32_t oid + + str name + str schema + str kind + + CodecType type + ServerDataFormat format + ClientExchangeFormat xformat + + encode_func c_encoder + decode_func c_decoder + + object py_encoder + object py_decoder + + # arrays + Codec element_codec + Py_UCS4 element_delimiter + + # composite types + tuple element_type_oids + object element_names + object record_desc + list element_codecs + + # Pointers to actual encoder/decoder functions for this codec + codec_encode_func encoder + codec_decode_func decoder + + cdef init(self, str name, str schema, str kind, + CodecType type, ServerDataFormat format, + ClientExchangeFormat xformat, + encode_func c_encoder, decode_func c_decoder, + object py_encoder, object py_decoder, + Codec element_codec, tuple element_type_oids, + object element_names, list element_codecs, + Py_UCS4 element_delimiter) + + cdef encode_scalar(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef encode_array(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef encode_array_text(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef encode_range(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef encode_composite(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef encode_in_python(self, ConnectionSettings settings, WriteBuffer buf, + object obj) + + cdef decode_scalar(self, ConnectionSettings settings, FRBuffer *buf) + + cdef decode_array(self, ConnectionSettings settings, FRBuffer *buf) + + cdef decode_array_text(self, ConnectionSettings settings, FRBuffer *buf) + + cdef decode_range(self, ConnectionSettings settings, FRBuffer *buf) + + cdef decode_composite(self, ConnectionSettings settings, FRBuffer *buf) + + cdef decode_in_python(self, ConnectionSettings settings, FRBuffer *buf) + + cdef inline encode(self, + ConnectionSettings settings, + WriteBuffer buf, + object obj) + + cdef inline decode(self, ConnectionSettings settings, FRBuffer *buf) + + cdef has_encoder(self) + cdef has_decoder(self) + cdef is_binary(self) + + cdef inline Codec copy(self) + + @staticmethod + cdef Codec new_array_codec(uint32_t oid, + str name, + str schema, + Codec element_codec, + Py_UCS4 element_delimiter) + + @staticmethod + cdef Codec new_range_codec(uint32_t oid, + str name, + str schema, + Codec element_codec) + + @staticmethod + cdef Codec new_composite_codec(uint32_t oid, + str name, + str schema, + ServerDataFormat format, + list element_codecs, + tuple element_type_oids, + object element_names) + + @staticmethod + cdef Codec new_python_codec(uint32_t oid, + str name, + str schema, + str kind, + object encoder, + object decoder, + encode_func c_encoder, + decode_func c_decoder, + ServerDataFormat format, + ClientExchangeFormat xformat) + + +cdef class DataCodecConfig: + cdef: + dict _derived_type_codecs + dict _custom_type_codecs + + cdef inline Codec get_codec(self, uint32_t oid, ServerDataFormat format) + cdef inline Codec get_any_local_codec(self, uint32_t oid) diff --git a/asyncpg/protocol/codecs/base.pyx b/asyncpg/protocol/codecs/base.pyx new file mode 100644 index 0000000..5d3ccc4 --- /dev/null +++ b/asyncpg/protocol/codecs/base.pyx @@ -0,0 +1,816 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from collections.abc import Mapping as MappingABC + +from asyncpg import exceptions + + +cdef void* binary_codec_map[(MAXSUPPORTEDOID + 1) * 2] +cdef void* text_codec_map[(MAXSUPPORTEDOID + 1) * 2] +cdef dict EXTRA_CODECS = {} + + +@cython.final +cdef class Codec: + + def __cinit__(self, uint32_t oid): + self.oid = oid + self.type = CODEC_UNDEFINED + + cdef init(self, str name, str schema, str kind, + CodecType type, ServerDataFormat format, + ClientExchangeFormat xformat, + encode_func c_encoder, decode_func c_decoder, + object py_encoder, object py_decoder, + Codec element_codec, tuple element_type_oids, + object element_names, list element_codecs, + Py_UCS4 element_delimiter): + + self.name = name + self.schema = schema + self.kind = kind + self.type = type + self.format = format + self.xformat = xformat + self.c_encoder = c_encoder + self.c_decoder = c_decoder + self.py_encoder = py_encoder + self.py_decoder = py_decoder + self.element_codec = element_codec + self.element_type_oids = element_type_oids + self.element_codecs = element_codecs + self.element_delimiter = element_delimiter + self.element_names = element_names + + if element_names is not None: + self.record_desc = record.ApgRecordDesc_New( + element_names, tuple(element_names)) + else: + self.record_desc = None + + if type == CODEC_C: + self.encoder = &self.encode_scalar + self.decoder = &self.decode_scalar + elif type == CODEC_ARRAY: + if format == PG_FORMAT_BINARY: + self.encoder = &self.encode_array + self.decoder = &self.decode_array + else: + self.encoder = &self.encode_array_text + self.decoder = &self.decode_array_text + elif type == CODEC_RANGE: + if format != PG_FORMAT_BINARY: + raise NotImplementedError( + 'cannot decode type "{}"."{}": text encoding of ' + 'range types is not supported'.format(schema, name)) + self.encoder = &self.encode_range + self.decoder = &self.decode_range + elif type == CODEC_COMPOSITE: + if format != PG_FORMAT_BINARY: + raise NotImplementedError( + 'cannot decode type "{}"."{}": text encoding of ' + 'composite types is not supported'.format(schema, name)) + self.encoder = &self.encode_composite + self.decoder = &self.decode_composite + elif type == CODEC_PY: + self.encoder = &self.encode_in_python + self.decoder = &self.decode_in_python + else: + raise exceptions.InternalClientError( + 'unexpected codec type: {}'.format(type)) + + cdef Codec copy(self): + cdef Codec codec + + codec = Codec(self.oid) + codec.init(self.name, self.schema, self.kind, + self.type, self.format, self.xformat, + self.c_encoder, self.c_decoder, + self.py_encoder, self.py_decoder, + self.element_codec, + self.element_type_oids, self.element_names, + self.element_codecs, self.element_delimiter) + + return codec + + cdef encode_scalar(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + self.c_encoder(settings, buf, obj) + + cdef encode_array(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + array_encode(settings, buf, obj, self.element_codec.oid, + codec_encode_func_ex, + (self.element_codec)) + + cdef encode_array_text(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + return textarray_encode(settings, buf, obj, + codec_encode_func_ex, + (self.element_codec), + self.element_delimiter) + + cdef encode_range(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + range_encode(settings, buf, obj, self.element_codec.oid, + codec_encode_func_ex, + (self.element_codec)) + + cdef encode_composite(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + cdef: + WriteBuffer elem_data + int i + list elem_codecs = self.element_codecs + ssize_t count + ssize_t composite_size + tuple rec + + if isinstance(obj, MappingABC): + # Input is dict-like, form a tuple + composite_size = len(self.element_type_oids) + rec = cpython.PyTuple_New(composite_size) + + for i in range(composite_size): + cpython.Py_INCREF(None) + cpython.PyTuple_SET_ITEM(rec, i, None) + + for field in obj: + try: + i = self.element_names[field] + except KeyError: + raise ValueError( + '{!r} is not a valid element of composite ' + 'type {}'.format(field, self.name)) from None + + item = obj[field] + cpython.Py_INCREF(item) + cpython.PyTuple_SET_ITEM(rec, i, item) + + obj = rec + + count = len(obj) + if count > _MAXINT32: + raise ValueError('too many elements in composite type record') + + elem_data = WriteBuffer.new() + i = 0 + for item in obj: + elem_data.write_int32(self.element_type_oids[i]) + if item is None: + elem_data.write_int32(-1) + else: + (elem_codecs[i]).encode(settings, elem_data, item) + i += 1 + + record_encode_frame(settings, buf, elem_data, count) + + cdef encode_in_python(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + data = self.py_encoder(obj) + if self.xformat == PG_XFORMAT_OBJECT: + if self.format == PG_FORMAT_BINARY: + pgproto.bytea_encode(settings, buf, data) + elif self.format == PG_FORMAT_TEXT: + pgproto.text_encode(settings, buf, data) + else: + raise exceptions.InternalClientError( + 'unexpected data format: {}'.format(self.format)) + elif self.xformat == PG_XFORMAT_TUPLE: + self.c_encoder(settings, buf, data) + else: + raise exceptions.InternalClientError( + 'unexpected exchange format: {}'.format(self.xformat)) + + cdef encode(self, ConnectionSettings settings, WriteBuffer buf, + object obj): + return self.encoder(self, settings, buf, obj) + + cdef decode_scalar(self, ConnectionSettings settings, FRBuffer *buf): + return self.c_decoder(settings, buf) + + cdef decode_array(self, ConnectionSettings settings, FRBuffer *buf): + return array_decode(settings, buf, codec_decode_func_ex, + (self.element_codec)) + + cdef decode_array_text(self, ConnectionSettings settings, + FRBuffer *buf): + return textarray_decode(settings, buf, codec_decode_func_ex, + (self.element_codec), + self.element_delimiter) + + cdef decode_range(self, ConnectionSettings settings, FRBuffer *buf): + return range_decode(settings, buf, codec_decode_func_ex, + (self.element_codec)) + + cdef decode_composite(self, ConnectionSettings settings, + FRBuffer *buf): + cdef: + object result + ssize_t elem_count + ssize_t i + int32_t elem_len + uint32_t elem_typ + uint32_t received_elem_typ + Codec elem_codec + FRBuffer elem_buf + + elem_count = hton.unpack_int32(frb_read(buf, 4)) + if elem_count != len(self.element_type_oids): + raise exceptions.OutdatedSchemaCacheError( + 'unexpected number of attributes of composite type: ' + '{}, expected {}' + .format( + elem_count, + len(self.element_type_oids), + ), + schema=self.schema, + data_type=self.name, + ) + result = record.ApgRecord_New(self.record_desc, elem_count) + for i in range(elem_count): + elem_typ = self.element_type_oids[i] + received_elem_typ = hton.unpack_int32(frb_read(buf, 4)) + + if received_elem_typ != elem_typ: + raise exceptions.OutdatedSchemaCacheError( + 'unexpected data type of composite type attribute {}: ' + '{!r}, expected {!r}' + .format( + i, + BUILTIN_TYPE_OID_MAP.get( + received_elem_typ, received_elem_typ), + BUILTIN_TYPE_OID_MAP.get( + elem_typ, elem_typ) + ), + schema=self.schema, + data_type=self.name, + position=i, + ) + + elem_len = hton.unpack_int32(frb_read(buf, 4)) + if elem_len == -1: + elem = None + else: + elem_codec = self.element_codecs[i] + elem = elem_codec.decode( + settings, frb_slice_from(&elem_buf, buf, elem_len)) + + cpython.Py_INCREF(elem) + record.ApgRecord_SET_ITEM(result, i, elem) + + return result + + cdef decode_in_python(self, ConnectionSettings settings, + FRBuffer *buf): + if self.xformat == PG_XFORMAT_OBJECT: + if self.format == PG_FORMAT_BINARY: + data = pgproto.bytea_decode(settings, buf) + elif self.format == PG_FORMAT_TEXT: + data = pgproto.text_decode(settings, buf) + else: + raise exceptions.InternalClientError( + 'unexpected data format: {}'.format(self.format)) + elif self.xformat == PG_XFORMAT_TUPLE: + data = self.c_decoder(settings, buf) + else: + raise exceptions.InternalClientError( + 'unexpected exchange format: {}'.format(self.xformat)) + + return self.py_decoder(data) + + cdef inline decode(self, ConnectionSettings settings, FRBuffer *buf): + return self.decoder(self, settings, buf) + + cdef inline has_encoder(self): + cdef Codec elem_codec + + if self.c_encoder is not NULL or self.py_encoder is not None: + return True + + elif self.type == CODEC_ARRAY or self.type == CODEC_RANGE: + return self.element_codec.has_encoder() + + elif self.type == CODEC_COMPOSITE: + for elem_codec in self.element_codecs: + if not elem_codec.has_encoder(): + return False + return True + + else: + return False + + cdef has_decoder(self): + cdef Codec elem_codec + + if self.c_decoder is not NULL or self.py_decoder is not None: + return True + + elif self.type == CODEC_ARRAY or self.type == CODEC_RANGE: + return self.element_codec.has_decoder() + + elif self.type == CODEC_COMPOSITE: + for elem_codec in self.element_codecs: + if not elem_codec.has_decoder(): + return False + return True + + else: + return False + + cdef is_binary(self): + return self.format == PG_FORMAT_BINARY + + def __repr__(self): + return ''.format( + self.oid, + 'NA' if self.element_codec is None else self.element_codec.oid, + has_core_codec(self.oid)) + + @staticmethod + cdef Codec new_array_codec(uint32_t oid, + str name, + str schema, + Codec element_codec, + Py_UCS4 element_delimiter): + cdef Codec codec + codec = Codec(oid) + codec.init(name, schema, 'array', CODEC_ARRAY, element_codec.format, + PG_XFORMAT_OBJECT, NULL, NULL, None, None, element_codec, + None, None, None, element_delimiter) + return codec + + @staticmethod + cdef Codec new_range_codec(uint32_t oid, + str name, + str schema, + Codec element_codec): + cdef Codec codec + codec = Codec(oid) + codec.init(name, schema, 'range', CODEC_RANGE, element_codec.format, + PG_XFORMAT_OBJECT, NULL, NULL, None, None, element_codec, + None, None, None, 0) + return codec + + @staticmethod + cdef Codec new_composite_codec(uint32_t oid, + str name, + str schema, + ServerDataFormat format, + list element_codecs, + tuple element_type_oids, + object element_names): + cdef Codec codec + codec = Codec(oid) + codec.init(name, schema, 'composite', CODEC_COMPOSITE, + format, PG_XFORMAT_OBJECT, NULL, NULL, None, None, None, + element_type_oids, element_names, element_codecs, 0) + return codec + + @staticmethod + cdef Codec new_python_codec(uint32_t oid, + str name, + str schema, + str kind, + object encoder, + object decoder, + encode_func c_encoder, + decode_func c_decoder, + ServerDataFormat format, + ClientExchangeFormat xformat): + cdef Codec codec + codec = Codec(oid) + codec.init(name, schema, kind, CODEC_PY, format, xformat, + c_encoder, c_decoder, encoder, decoder, + None, None, None, None, 0) + return codec + + +# Encode callback for arrays +cdef codec_encode_func_ex(ConnectionSettings settings, WriteBuffer buf, + object obj, const void *arg): + return (arg).encode(settings, buf, obj) + + +# Decode callback for arrays +cdef codec_decode_func_ex(ConnectionSettings settings, FRBuffer *buf, + const void *arg): + return (arg).decode(settings, buf) + + +cdef uint32_t pylong_as_oid(val) except? 0xFFFFFFFFl: + cdef: + int64_t oid = 0 + bint overflow = False + + try: + oid = cpython.PyLong_AsLongLong(val) + except OverflowError: + overflow = True + + if overflow or (oid < 0 or oid > UINT32_MAX): + raise OverflowError('OID value too large: {!r}'.format(val)) + + return val + + +cdef class DataCodecConfig: + def __init__(self, cache_key): + # Codec instance cache for derived types: + # composites, arrays, ranges, domains and their combinations. + self._derived_type_codecs = {} + # Codec instances set up by the user for the connection. + self._custom_type_codecs = {} + + def add_types(self, types): + cdef: + Codec elem_codec + list comp_elem_codecs + ServerDataFormat format + ServerDataFormat elem_format + bint has_text_elements + Py_UCS4 elem_delim + + for ti in types: + oid = ti['oid'] + + if not ti['has_bin_io']: + format = PG_FORMAT_TEXT + else: + format = PG_FORMAT_BINARY + + has_text_elements = False + + if self.get_codec(oid, format) is not None: + continue + + name = ti['name'] + schema = ti['ns'] + array_element_oid = ti['elemtype'] + range_subtype_oid = ti['range_subtype'] + if ti['attrtypoids']: + comp_type_attrs = tuple(ti['attrtypoids']) + else: + comp_type_attrs = None + base_type = ti['basetype'] + + if array_element_oid: + # Array type (note, there is no separate 'kind' for arrays) + + # Canonicalize type name to "elemtype[]" + if name.startswith('_'): + name = name[1:] + name = '{}[]'.format(name) + + if ti['elem_has_bin_io']: + elem_format = PG_FORMAT_BINARY + else: + elem_format = PG_FORMAT_TEXT + + elem_codec = self.get_codec(array_element_oid, elem_format) + if elem_codec is None: + elem_format = PG_FORMAT_TEXT + elem_codec = self.declare_fallback_codec( + array_element_oid, name, schema) + + elem_delim = ti['elemdelim'][0] + + self._derived_type_codecs[oid, elem_format] = \ + Codec.new_array_codec( + oid, name, schema, elem_codec, elem_delim) + + elif ti['kind'] == b'c': + if not comp_type_attrs: + raise exceptions.InternalClientError( + 'type record missing field types for ' + 'composite {}'.format(oid)) + + # Composite type + + comp_elem_codecs = [] + + for typoid in comp_type_attrs: + elem_codec = self.get_codec(typoid, PG_FORMAT_BINARY) + if elem_codec is None: + elem_codec = self.get_codec(typoid, PG_FORMAT_TEXT) + has_text_elements = True + if elem_codec is None: + raise exceptions.InternalClientError( + 'no codec for composite attribute type {}'.format( + typoid)) + comp_elem_codecs.append(elem_codec) + + element_names = collections.OrderedDict() + for i, attrname in enumerate(ti['attrnames']): + element_names[attrname] = i + + if has_text_elements: + format = PG_FORMAT_TEXT + + self._derived_type_codecs[oid, format] = \ + Codec.new_composite_codec( + oid, name, schema, format, comp_elem_codecs, + comp_type_attrs, element_names) + + elif ti['kind'] == b'd': + # Domain type + + if not base_type: + raise exceptions.InternalClientError( + 'type record missing base type for domain {}'.format( + oid)) + + elem_codec = self.get_codec(base_type, format) + if elem_codec is None: + format = PG_FORMAT_TEXT + elem_codec = self.declare_fallback_codec( + base_type, name, schema) + + self._derived_type_codecs[oid, format] = elem_codec + + elif ti['kind'] == b'r': + # Range type + + if not range_subtype_oid: + raise exceptions.InternalClientError( + 'type record missing base type for range {}'.format( + oid)) + + if ti['elem_has_bin_io']: + elem_format = PG_FORMAT_BINARY + else: + elem_format = PG_FORMAT_TEXT + + elem_codec = self.get_codec(range_subtype_oid, elem_format) + if elem_codec is None: + elem_format = PG_FORMAT_TEXT + elem_codec = self.declare_fallback_codec( + range_subtype_oid, name, schema) + + self._derived_type_codecs[oid, elem_format] = \ + Codec.new_range_codec(oid, name, schema, elem_codec) + + elif ti['kind'] == b'e': + # Enum types are essentially text + self._set_builtin_type_codec(oid, name, schema, 'scalar', + TEXTOID, PG_FORMAT_ANY) + else: + self.declare_fallback_codec(oid, name, schema) + + def add_python_codec(self, typeoid, typename, typeschema, typekind, + encoder, decoder, format, xformat): + cdef: + Codec core_codec + encode_func c_encoder = NULL + decode_func c_decoder = NULL + uint32_t oid = pylong_as_oid(typeoid) + bint codec_set = False + + # Clear all previous overrides (this also clears type cache). + self.remove_python_codec(typeoid, typename, typeschema) + + if format == PG_FORMAT_ANY: + formats = (PG_FORMAT_TEXT, PG_FORMAT_BINARY) + else: + formats = (format,) + + for fmt in formats: + if xformat == PG_XFORMAT_TUPLE: + core_codec = get_core_codec(oid, fmt, xformat) + if core_codec is None: + continue + c_encoder = core_codec.c_encoder + c_decoder = core_codec.c_decoder + + self._custom_type_codecs[typeoid, fmt] = \ + Codec.new_python_codec(oid, typename, typeschema, typekind, + encoder, decoder, c_encoder, c_decoder, + fmt, xformat) + codec_set = True + + if not codec_set: + raise exceptions.InterfaceError( + "{} type does not support the 'tuple' exchange format".format( + typename)) + + def remove_python_codec(self, typeoid, typename, typeschema): + for fmt in (PG_FORMAT_BINARY, PG_FORMAT_TEXT): + self._custom_type_codecs.pop((typeoid, fmt), None) + self.clear_type_cache() + + def _set_builtin_type_codec(self, typeoid, typename, typeschema, typekind, + alias_to, format=PG_FORMAT_ANY): + cdef: + Codec codec + Codec target_codec + uint32_t oid = pylong_as_oid(typeoid) + uint32_t alias_oid = 0 + bint codec_set = False + + if format == PG_FORMAT_ANY: + formats = (PG_FORMAT_BINARY, PG_FORMAT_TEXT) + else: + formats = (format,) + + if isinstance(alias_to, int): + alias_oid = pylong_as_oid(alias_to) + else: + alias_oid = BUILTIN_TYPE_NAME_MAP.get(alias_to, 0) + + for format in formats: + if alias_oid != 0: + target_codec = self.get_codec(alias_oid, format) + else: + target_codec = get_extra_codec(alias_to, format) + + if target_codec is None: + continue + + codec = target_codec.copy() + codec.oid = typeoid + codec.name = typename + codec.schema = typeschema + codec.kind = typekind + + self._custom_type_codecs[typeoid, format] = codec + codec_set = True + + if not codec_set: + if format == PG_FORMAT_BINARY: + codec_str = 'binary' + elif format == PG_FORMAT_TEXT: + codec_str = 'text' + else: + codec_str = 'text or binary' + + raise exceptions.InterfaceError( + f'cannot alias {typename} to {alias_to}: ' + f'there is no {codec_str} codec for {alias_to}') + + def set_builtin_type_codec(self, typeoid, typename, typeschema, typekind, + alias_to, format=PG_FORMAT_ANY): + self._set_builtin_type_codec(typeoid, typename, typeschema, typekind, + alias_to, format) + self.clear_type_cache() + + def clear_type_cache(self): + self._derived_type_codecs.clear() + + def declare_fallback_codec(self, uint32_t oid, str name, str schema): + cdef Codec codec + + codec = self.get_codec(oid, PG_FORMAT_TEXT) + if codec is not None: + return codec + + if oid <= MAXBUILTINOID: + # This is a BKI type, for which asyncpg has no + # defined codec. This should only happen for newly + # added builtin types, for which this version of + # asyncpg is lacking support. + # + raise NotImplementedError( + 'unhandled standard data type {!r} (OID {})'.format( + name, oid)) + else: + # This is a non-BKI type, and as such, has no + # stable OID, so no possibility of a builtin codec. + # In this case, fallback to text format. Applications + # can avoid this by specifying a codec for this type + # using Connection.set_type_codec(). + # + self._set_builtin_type_codec(oid, name, schema, 'scalar', + TEXTOID, PG_FORMAT_TEXT) + + codec = self.get_codec(oid, PG_FORMAT_TEXT) + + return codec + + cdef inline Codec get_codec(self, uint32_t oid, ServerDataFormat format): + cdef Codec codec + + codec = self.get_any_local_codec(oid) + if codec is not None: + if codec.format != format: + # The codec for this OID has been overridden by + # set_{builtin}_type_codec with a different format. + # We must respect that and not return a core codec. + return None + else: + return codec + + codec = get_core_codec(oid, format) + if codec is not None: + return codec + else: + try: + return self._derived_type_codecs[oid, format] + except KeyError: + return None + + cdef inline Codec get_any_local_codec(self, uint32_t oid): + cdef Codec codec + + codec = self._custom_type_codecs.get((oid, PG_FORMAT_BINARY)) + if codec is None: + return self._custom_type_codecs.get((oid, PG_FORMAT_TEXT)) + else: + return codec + + +cdef inline Codec get_core_codec( + uint32_t oid, ServerDataFormat format, + ClientExchangeFormat xformat=PG_XFORMAT_OBJECT): + cdef: + void *ptr = NULL + + if oid > MAXSUPPORTEDOID: + return None + if format == PG_FORMAT_BINARY: + ptr = binary_codec_map[oid * xformat] + elif format == PG_FORMAT_TEXT: + ptr = text_codec_map[oid * xformat] + + if ptr is NULL: + return None + else: + return ptr + + +cdef inline Codec get_any_core_codec( + uint32_t oid, ServerDataFormat format, + ClientExchangeFormat xformat=PG_XFORMAT_OBJECT): + """A version of get_core_codec that accepts PG_FORMAT_ANY.""" + cdef: + Codec codec + + if format == PG_FORMAT_ANY: + codec = get_core_codec(oid, PG_FORMAT_BINARY, xformat) + if codec is None: + codec = get_core_codec(oid, PG_FORMAT_TEXT, xformat) + else: + codec = get_core_codec(oid, format, xformat) + + return codec + + +cdef inline int has_core_codec(uint32_t oid): + return binary_codec_map[oid] != NULL or text_codec_map[oid] != NULL + + +cdef register_core_codec(uint32_t oid, + encode_func encode, + decode_func decode, + ServerDataFormat format, + ClientExchangeFormat xformat=PG_XFORMAT_OBJECT): + + if oid > MAXSUPPORTEDOID: + raise exceptions.InternalClientError( + 'cannot register core codec for OID {}: it is greater ' + 'than MAXSUPPORTEDOID ({})'.format(oid, MAXSUPPORTEDOID)) + + cdef: + Codec codec + str name + str kind + + name = BUILTIN_TYPE_OID_MAP[oid] + kind = 'array' if oid in ARRAY_TYPES else 'scalar' + + codec = Codec(oid) + codec.init(name, 'pg_catalog', kind, CODEC_C, format, xformat, + encode, decode, None, None, None, None, None, None, 0) + cpython.Py_INCREF(codec) # immortalize + + if format == PG_FORMAT_BINARY: + binary_codec_map[oid * xformat] = codec + elif format == PG_FORMAT_TEXT: + text_codec_map[oid * xformat] = codec + else: + raise exceptions.InternalClientError( + 'invalid data format: {}'.format(format)) + + +cdef register_extra_codec(str name, + encode_func encode, + decode_func decode, + ServerDataFormat format): + cdef: + Codec codec + str kind + + kind = 'scalar' + + codec = Codec(INVALIDOID) + codec.init(name, None, kind, CODEC_C, format, PG_XFORMAT_OBJECT, + encode, decode, None, None, None, None, None, None, 0) + EXTRA_CODECS[name, format] = codec + + +cdef inline Codec get_extra_codec(str name, ServerDataFormat format): + return EXTRA_CODECS.get((name, format)) diff --git a/asyncpg/protocol/codecs/pgproto.pyx b/asyncpg/protocol/codecs/pgproto.pyx new file mode 100644 index 0000000..accebcd --- /dev/null +++ b/asyncpg/protocol/codecs/pgproto.pyx @@ -0,0 +1,441 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef init_bits_codecs(): + register_core_codec(BITOID, + pgproto.bits_encode, + pgproto.bits_decode, + PG_FORMAT_BINARY) + + register_core_codec(VARBITOID, + pgproto.bits_encode, + pgproto.bits_decode, + PG_FORMAT_BINARY) + + +cdef init_bytea_codecs(): + register_core_codec(BYTEAOID, + pgproto.bytea_encode, + pgproto.bytea_decode, + PG_FORMAT_BINARY) + + register_core_codec(CHAROID, + pgproto.bytea_encode, + pgproto.bytea_decode, + PG_FORMAT_BINARY) + + +cdef init_datetime_codecs(): + register_core_codec(DATEOID, + pgproto.date_encode, + pgproto.date_decode, + PG_FORMAT_BINARY) + + register_core_codec(DATEOID, + pgproto.date_encode_tuple, + pgproto.date_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + register_core_codec(TIMEOID, + pgproto.time_encode, + pgproto.time_decode, + PG_FORMAT_BINARY) + + register_core_codec(TIMEOID, + pgproto.time_encode_tuple, + pgproto.time_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + register_core_codec(TIMETZOID, + pgproto.timetz_encode, + pgproto.timetz_decode, + PG_FORMAT_BINARY) + + register_core_codec(TIMETZOID, + pgproto.timetz_encode_tuple, + pgproto.timetz_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + register_core_codec(TIMESTAMPOID, + pgproto.timestamp_encode, + pgproto.timestamp_decode, + PG_FORMAT_BINARY) + + register_core_codec(TIMESTAMPOID, + pgproto.timestamp_encode_tuple, + pgproto.timestamp_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + register_core_codec(TIMESTAMPTZOID, + pgproto.timestamptz_encode, + pgproto.timestamptz_decode, + PG_FORMAT_BINARY) + + register_core_codec(TIMESTAMPTZOID, + pgproto.timestamp_encode_tuple, + pgproto.timestamp_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + register_core_codec(INTERVALOID, + pgproto.interval_encode, + pgproto.interval_decode, + PG_FORMAT_BINARY) + + register_core_codec(INTERVALOID, + pgproto.interval_encode_tuple, + pgproto.interval_decode_tuple, + PG_FORMAT_BINARY, + PG_XFORMAT_TUPLE) + + # For obsolete abstime/reltime/tinterval, we do not bother to + # interpret the value, and simply return and pass it as text. + # + register_core_codec(ABSTIMEOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + register_core_codec(RELTIMEOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + register_core_codec(TINTERVALOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_float_codecs(): + register_core_codec(FLOAT4OID, + pgproto.float4_encode, + pgproto.float4_decode, + PG_FORMAT_BINARY) + + register_core_codec(FLOAT8OID, + pgproto.float8_encode, + pgproto.float8_decode, + PG_FORMAT_BINARY) + + +cdef init_geometry_codecs(): + register_core_codec(BOXOID, + pgproto.box_encode, + pgproto.box_decode, + PG_FORMAT_BINARY) + + register_core_codec(LINEOID, + pgproto.line_encode, + pgproto.line_decode, + PG_FORMAT_BINARY) + + register_core_codec(LSEGOID, + pgproto.lseg_encode, + pgproto.lseg_decode, + PG_FORMAT_BINARY) + + register_core_codec(POINTOID, + pgproto.point_encode, + pgproto.point_decode, + PG_FORMAT_BINARY) + + register_core_codec(PATHOID, + pgproto.path_encode, + pgproto.path_decode, + PG_FORMAT_BINARY) + + register_core_codec(POLYGONOID, + pgproto.poly_encode, + pgproto.poly_decode, + PG_FORMAT_BINARY) + + register_core_codec(CIRCLEOID, + pgproto.circle_encode, + pgproto.circle_decode, + PG_FORMAT_BINARY) + + +cdef init_hstore_codecs(): + register_extra_codec('pg_contrib.hstore', + pgproto.hstore_encode, + pgproto.hstore_decode, + PG_FORMAT_BINARY) + + +cdef init_json_codecs(): + register_core_codec(JSONOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_BINARY) + register_core_codec(JSONBOID, + pgproto.jsonb_encode, + pgproto.jsonb_decode, + PG_FORMAT_BINARY) + + +cdef init_int_codecs(): + + register_core_codec(BOOLOID, + pgproto.bool_encode, + pgproto.bool_decode, + PG_FORMAT_BINARY) + + register_core_codec(INT2OID, + pgproto.int2_encode, + pgproto.int2_decode, + PG_FORMAT_BINARY) + + register_core_codec(INT4OID, + pgproto.int4_encode, + pgproto.int4_decode, + PG_FORMAT_BINARY) + + register_core_codec(INT8OID, + pgproto.int8_encode, + pgproto.int8_decode, + PG_FORMAT_BINARY) + + +cdef init_pseudo_codecs(): + # Void type is returned by SELECT void_returning_function() + register_core_codec(VOIDOID, + pgproto.void_encode, + pgproto.void_decode, + PG_FORMAT_BINARY) + + # Unknown type, always decoded as text + register_core_codec(UNKNOWNOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + # OID and friends + oid_types = [ + OIDOID, XIDOID, CIDOID + ] + + for oid_type in oid_types: + register_core_codec(oid_type, + pgproto.uint4_encode, + pgproto.uint4_decode, + PG_FORMAT_BINARY) + + # reg* types -- these are really system catalog OIDs, but + # allow the catalog object name as an input. We could just + # decode these as OIDs, but handling them as text seems more + # useful. + # + reg_types = [ + REGPROCOID, REGPROCEDUREOID, REGOPEROID, REGOPERATOROID, + REGCLASSOID, REGTYPEOID, REGCONFIGOID, REGDICTIONARYOID, + REGNAMESPACEOID, REGROLEOID, REFCURSOROID + ] + + for reg_type in reg_types: + register_core_codec(reg_type, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + # cstring type is used by Postgres' I/O functions + register_core_codec(CSTRINGOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_BINARY) + + # various system pseudotypes with no I/O + no_io_types = [ + ANYOID, TRIGGEROID, EVENT_TRIGGEROID, LANGUAGE_HANDLEROID, + FDW_HANDLEROID, TSM_HANDLEROID, INTERNALOID, OPAQUEOID, + ANYELEMENTOID, ANYNONARRAYOID, PG_DDL_COMMANDOID, + INDEX_AM_HANDLEROID, + ] + + register_core_codec(ANYENUMOID, + NULL, + pgproto.text_decode, + PG_FORMAT_TEXT) + + for no_io_type in no_io_types: + register_core_codec(no_io_type, + NULL, + NULL, + PG_FORMAT_BINARY) + + # ACL specification string + register_core_codec(ACLITEMOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + # Postgres' serialized expression tree type + register_core_codec(PG_NODE_TREEOID, + NULL, + pgproto.text_decode, + PG_FORMAT_TEXT) + + # pg_lsn type -- a pointer to a location in the XLOG. + register_core_codec(PG_LSNOID, + pgproto.int8_encode, + pgproto.int8_decode, + PG_FORMAT_BINARY) + + register_core_codec(SMGROID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + # pg_dependencies and pg_ndistinct are special types + # used in pg_statistic_ext columns. + register_core_codec(PG_DEPENDENCIESOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + register_core_codec(PG_NDISTINCTOID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_text_codecs(): + textoids = [ + NAMEOID, + BPCHAROID, + VARCHAROID, + TEXTOID, + XMLOID + ] + + for oid in textoids: + register_core_codec(oid, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_BINARY) + + register_core_codec(oid, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_tid_codecs(): + register_core_codec(TIDOID, + pgproto.tid_encode, + pgproto.tid_decode, + PG_FORMAT_BINARY) + + +cdef init_txid_codecs(): + register_core_codec(TXID_SNAPSHOTOID, + pgproto.txid_snapshot_encode, + pgproto.txid_snapshot_decode, + PG_FORMAT_BINARY) + + +cdef init_tsearch_codecs(): + ts_oids = [ + TSQUERYOID, + TSVECTOROID, + ] + + for oid in ts_oids: + register_core_codec(oid, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + register_core_codec(GTSVECTOROID, + NULL, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_uuid_codecs(): + register_core_codec(UUIDOID, + pgproto.uuid_encode, + pgproto.uuid_decode, + PG_FORMAT_BINARY) + + +cdef init_numeric_codecs(): + register_core_codec(NUMERICOID, + pgproto.numeric_encode_text, + pgproto.numeric_decode_text, + PG_FORMAT_TEXT) + + register_core_codec(NUMERICOID, + pgproto.numeric_encode_binary, + pgproto.numeric_decode_binary, + PG_FORMAT_BINARY) + + +cdef init_network_codecs(): + register_core_codec(CIDROID, + pgproto.cidr_encode, + pgproto.cidr_decode, + PG_FORMAT_BINARY) + + register_core_codec(INETOID, + pgproto.inet_encode, + pgproto.inet_decode, + PG_FORMAT_BINARY) + + register_core_codec(MACADDROID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + register_core_codec(MACADDR8OID, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_monetary_codecs(): + moneyoids = [ + MONEYOID, + ] + + for oid in moneyoids: + register_core_codec(oid, + pgproto.text_encode, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +cdef init_all_pgproto_codecs(): + # Builtin types, in lexicographical order. + init_bits_codecs() + init_bytea_codecs() + init_datetime_codecs() + init_float_codecs() + init_geometry_codecs() + init_int_codecs() + init_json_codecs() + init_monetary_codecs() + init_network_codecs() + init_numeric_codecs() + init_text_codecs() + init_tid_codecs() + init_tsearch_codecs() + init_txid_codecs() + init_uuid_codecs() + + # Various pseudotypes and system types + init_pseudo_codecs() + + # contrib + init_hstore_codecs() + + +init_all_pgproto_codecs() diff --git a/asyncpg/protocol/codecs/range.pyx b/asyncpg/protocol/codecs/range.pyx new file mode 100644 index 0000000..2f598c1 --- /dev/null +++ b/asyncpg/protocol/codecs/range.pyx @@ -0,0 +1,149 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from asyncpg import types as apg_types + +# defined in postgresql/src/include/utils/rangetypes.h +DEF RANGE_EMPTY = 0x01 # range is empty +DEF RANGE_LB_INC = 0x02 # lower bound is inclusive +DEF RANGE_UB_INC = 0x04 # upper bound is inclusive +DEF RANGE_LB_INF = 0x08 # lower bound is -infinity +DEF RANGE_UB_INF = 0x10 # upper bound is +infinity + + +cdef enum _RangeArgumentType: + _RANGE_ARGUMENT_INVALID = 0 + _RANGE_ARGUMENT_TUPLE = 1 + _RANGE_ARGUMENT_RANGE = 2 + + +cdef inline bint _range_has_lbound(uint8_t flags): + return not (flags & (RANGE_EMPTY | RANGE_LB_INF)) + + +cdef inline bint _range_has_ubound(uint8_t flags): + return not (flags & (RANGE_EMPTY | RANGE_UB_INF)) + + +cdef inline _RangeArgumentType _range_type(object obj): + if cpython.PyTuple_Check(obj) or cpython.PyList_Check(obj): + return _RANGE_ARGUMENT_TUPLE + elif isinstance(obj, apg_types.Range): + return _RANGE_ARGUMENT_RANGE + else: + return _RANGE_ARGUMENT_INVALID + + +cdef range_encode(ConnectionSettings settings, WriteBuffer buf, + object obj, uint32_t elem_oid, + encode_func_ex encoder, const void *encoder_arg): + cdef: + ssize_t obj_len + uint8_t flags = 0 + object lower = None + object upper = None + WriteBuffer bounds_data = WriteBuffer.new() + _RangeArgumentType arg_type = _range_type(obj) + + if arg_type == _RANGE_ARGUMENT_INVALID: + raise TypeError( + 'list, tuple or Range object expected (got type {})'.format( + type(obj))) + + elif arg_type == _RANGE_ARGUMENT_TUPLE: + obj_len = len(obj) + if obj_len == 2: + lower = obj[0] + upper = obj[1] + + if lower is None: + flags |= RANGE_LB_INF + + if upper is None: + flags |= RANGE_UB_INF + + flags |= RANGE_LB_INC | RANGE_UB_INC + + elif obj_len == 1: + lower = obj[0] + flags |= RANGE_LB_INC | RANGE_UB_INF + + elif obj_len == 0: + flags |= RANGE_EMPTY + + else: + raise ValueError( + 'expected 0, 1 or 2 elements in range (got {})'.format( + obj_len)) + + else: + if obj.isempty: + flags |= RANGE_EMPTY + else: + lower = obj.lower + upper = obj.upper + + if obj.lower_inc: + flags |= RANGE_LB_INC + elif lower is None: + flags |= RANGE_LB_INF + + if obj.upper_inc: + flags |= RANGE_UB_INC + elif upper is None: + flags |= RANGE_UB_INF + + if _range_has_lbound(flags): + encoder(settings, bounds_data, lower, encoder_arg) + + if _range_has_ubound(flags): + encoder(settings, bounds_data, upper, encoder_arg) + + buf.write_int32(1 + bounds_data.len()) + buf.write_byte(flags) + buf.write_buffer(bounds_data) + + +cdef range_decode(ConnectionSettings settings, FRBuffer *buf, + decode_func_ex decoder, const void *decoder_arg): + cdef: + uint8_t flags = frb_read(buf, 1)[0] + int32_t bound_len + object lower = None + object upper = None + FRBuffer bound_buf + + if _range_has_lbound(flags): + bound_len = hton.unpack_int32(frb_read(buf, 4)) + if bound_len == -1: + lower = None + else: + frb_slice_from(&bound_buf, buf, bound_len) + lower = decoder(settings, &bound_buf, decoder_arg) + + if _range_has_ubound(flags): + bound_len = hton.unpack_int32(frb_read(buf, 4)) + if bound_len == -1: + upper = None + else: + frb_slice_from(&bound_buf, buf, bound_len) + upper = decoder(settings, &bound_buf, decoder_arg) + + return apg_types.Range(lower=lower, upper=upper, + lower_inc=(flags & RANGE_LB_INC) != 0, + upper_inc=(flags & RANGE_UB_INC) != 0, + empty=(flags & RANGE_EMPTY) != 0) + + +cdef init_range_codecs(): + register_core_codec(ANYRANGEOID, + NULL, + pgproto.text_decode, + PG_FORMAT_TEXT) + + +init_range_codecs() diff --git a/asyncpg/protocol/codecs/record.pyx b/asyncpg/protocol/codecs/record.pyx new file mode 100644 index 0000000..5326a8c --- /dev/null +++ b/asyncpg/protocol/codecs/record.pyx @@ -0,0 +1,60 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from asyncpg import exceptions + + +cdef inline record_encode_frame(ConnectionSettings settings, WriteBuffer buf, + WriteBuffer elem_data, int32_t elem_count): + buf.write_int32(4 + elem_data.len()) + # attribute count + buf.write_int32(elem_count) + # encoded attribute data + buf.write_buffer(elem_data) + + +cdef anonymous_record_decode(ConnectionSettings settings, FRBuffer *buf): + cdef: + tuple result + ssize_t elem_count + ssize_t i + int32_t elem_len + uint32_t elem_typ + Codec elem_codec + FRBuffer elem_buf + + elem_count = hton.unpack_int32(frb_read(buf, 4)) + result = cpython.PyTuple_New(elem_count) + + for i in range(elem_count): + elem_typ = hton.unpack_int32(frb_read(buf, 4)) + elem_len = hton.unpack_int32(frb_read(buf, 4)) + + if elem_len == -1: + elem = None + else: + elem_codec = settings.get_data_codec(elem_typ) + if elem_codec is None or not elem_codec.has_decoder(): + raise exceptions.InternalClientError( + 'no decoder for composite type element in ' + 'position {} of type OID {}'.format(i, elem_typ)) + elem = elem_codec.decode(settings, + frb_slice_from(&elem_buf, buf, elem_len)) + + cpython.Py_INCREF(elem) + cpython.PyTuple_SET_ITEM(result, i, elem) + + return result + + +cdef init_record_codecs(): + register_core_codec(RECORDOID, + NULL, + anonymous_record_decode, + PG_FORMAT_BINARY) + +init_record_codecs() diff --git a/asyncpg/protocol/codecs/textutils.pyx b/asyncpg/protocol/codecs/textutils.pyx new file mode 100644 index 0000000..dfaf29e --- /dev/null +++ b/asyncpg/protocol/codecs/textutils.pyx @@ -0,0 +1,99 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef inline uint32_t _apg_tolower(uint32_t c): + if c >= 'A' and c <= 'Z': + return c + 'a' - 'A' + else: + return c + + +cdef int apg_strcasecmp(const Py_UCS4 *s1, const Py_UCS4 *s2): + cdef: + uint32_t c1 + uint32_t c2 + int i = 0 + + while True: + c1 = s1[i] + c2 = s2[i] + + if c1 != c2: + c1 = _apg_tolower(c1) + c2 = _apg_tolower(c2) + if c1 != c2: + return c1 - c2 + + if c1 == 0 or c2 == 0: + break + + i += 1 + + return 0 + + +cdef int apg_strcasecmp_char(const char *s1, const char *s2): + cdef: + uint8_t c1 + uint8_t c2 + int i = 0 + + while True: + c1 = s1[i] + c2 = s2[i] + + if c1 != c2: + c1 = _apg_tolower(c1) + c2 = _apg_tolower(c2) + if c1 != c2: + return c1 - c2 + + if c1 == 0 or c2 == 0: + break + + i += 1 + + return 0 + + +cdef inline bint apg_ascii_isspace(Py_UCS4 ch): + return ( + ch == ' ' or + ch == '\n' or + ch == '\r' or + ch == '\t' or + ch == '\v' or + ch == '\f' + ) + + +cdef Py_UCS4 *apg_parse_int32(Py_UCS4 *buf, int32_t *num): + cdef: + Py_UCS4 *p + int32_t n = 0 + int32_t neg = 0 + + if buf[0] == '-': + neg = 1 + buf += 1 + elif buf[0] == '+': + buf += 1 + + p = buf + while p[0] >= '0' and p[0] <= '9': + n = 10 * n - (p[0] - '0') + p += 1 + + if p == buf: + return NULL + + if not neg: + n = -n + + num[0] = n + + return p diff --git a/asyncpg/protocol/consts.pxi b/asyncpg/protocol/consts.pxi new file mode 100644 index 0000000..97cbbf3 --- /dev/null +++ b/asyncpg/protocol/consts.pxi @@ -0,0 +1,10 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +DEF _MAXINT32 = 2**31 - 1 +DEF _COPY_BUFFER_SIZE = 524288 +DEF _COPY_SIGNATURE = b"PGCOPY\n\377\r\n\0" diff --git a/asyncpg/protocol/coreproto.pxd b/asyncpg/protocol/coreproto.pxd new file mode 100644 index 0000000..c96b1fa --- /dev/null +++ b/asyncpg/protocol/coreproto.pxd @@ -0,0 +1,186 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +include "scram.pxd" + + +cdef enum ConnectionStatus: + CONNECTION_OK = 1 + CONNECTION_BAD = 2 + CONNECTION_STARTED = 3 # Waiting for connection to be made. + + +cdef enum ProtocolState: + PROTOCOL_IDLE = 0 + + PROTOCOL_FAILED = 1 + PROTOCOL_ERROR_CONSUME = 2 + PROTOCOL_CANCELLED = 3 + PROTOCOL_TERMINATING = 4 + + PROTOCOL_AUTH = 10 + PROTOCOL_PREPARE = 11 + PROTOCOL_BIND_EXECUTE = 12 + PROTOCOL_BIND_EXECUTE_MANY = 13 + PROTOCOL_CLOSE_STMT_PORTAL = 14 + PROTOCOL_SIMPLE_QUERY = 15 + PROTOCOL_EXECUTE = 16 + PROTOCOL_BIND = 17 + PROTOCOL_COPY_OUT = 18 + PROTOCOL_COPY_OUT_DATA = 19 + PROTOCOL_COPY_OUT_DONE = 20 + PROTOCOL_COPY_IN = 21 + PROTOCOL_COPY_IN_DATA = 22 + + +cdef enum AuthenticationMessage: + AUTH_SUCCESSFUL = 0 + AUTH_REQUIRED_KERBEROS = 2 + AUTH_REQUIRED_PASSWORD = 3 + AUTH_REQUIRED_PASSWORDMD5 = 5 + AUTH_REQUIRED_SCMCRED = 6 + AUTH_REQUIRED_GSS = 7 + AUTH_REQUIRED_GSS_CONTINUE = 8 + AUTH_REQUIRED_SSPI = 9 + AUTH_REQUIRED_SASL = 10 + AUTH_SASL_CONTINUE = 11 + AUTH_SASL_FINAL = 12 + + +AUTH_METHOD_NAME = { + AUTH_REQUIRED_KERBEROS: 'kerberosv5', + AUTH_REQUIRED_PASSWORD: 'password', + AUTH_REQUIRED_PASSWORDMD5: 'md5', + AUTH_REQUIRED_GSS: 'gss', + AUTH_REQUIRED_SASL: 'scram-sha-256', + AUTH_REQUIRED_SSPI: 'sspi', +} + + +cdef enum ResultType: + RESULT_OK = 1 + RESULT_FAILED = 2 + + +cdef enum TransactionStatus: + PQTRANS_IDLE = 0 # connection idle + PQTRANS_ACTIVE = 1 # command in progress + PQTRANS_INTRANS = 2 # idle, within transaction block + PQTRANS_INERROR = 3 # idle, within failed transaction + PQTRANS_UNKNOWN = 4 # cannot determine status + + +ctypedef object (*decode_row_method)(object, const char*, ssize_t) + + +cdef class CoreProtocol: + cdef: + ReadBuffer buffer + bint _skip_discard + bint _discard_data + + # executemany support data + object _execute_iter + str _execute_portal_name + str _execute_stmt_name + + ConnectionStatus con_status + ProtocolState state + TransactionStatus xact_status + + str encoding + + object transport + + # Instance of _ConnectionParameters + object con_params + # Instance of SCRAMAuthentication + SCRAMAuthentication scram + + readonly int32_t backend_pid + readonly int32_t backend_secret + + ## Result + ResultType result_type + object result + bytes result_param_desc + bytes result_row_desc + bytes result_status_msg + + # True - completed, False - suspended + bint result_execute_completed + + cdef _process__auth(self, char mtype) + cdef _process__prepare(self, char mtype) + cdef _process__bind_execute(self, char mtype) + cdef _process__bind_execute_many(self, char mtype) + cdef _process__close_stmt_portal(self, char mtype) + cdef _process__simple_query(self, char mtype) + cdef _process__bind(self, char mtype) + cdef _process__copy_out(self, char mtype) + cdef _process__copy_out_data(self, char mtype) + cdef _process__copy_in(self, char mtype) + cdef _process__copy_in_data(self, char mtype) + + cdef _parse_msg_authentication(self) + cdef _parse_msg_parameter_status(self) + cdef _parse_msg_notification(self) + cdef _parse_msg_backend_key_data(self) + cdef _parse_msg_ready_for_query(self) + cdef _parse_data_msgs(self) + cdef _parse_copy_data_msgs(self) + cdef _parse_msg_error_response(self, is_error) + cdef _parse_msg_command_complete(self) + + cdef _write_copy_data_msg(self, object data) + cdef _write_copy_done_msg(self) + cdef _write_copy_fail_msg(self, str cause) + + cdef _auth_password_message_cleartext(self) + cdef _auth_password_message_md5(self, bytes salt) + cdef _auth_password_message_sasl_initial(self, list sasl_auth_methods) + cdef _auth_password_message_sasl_continue(self, bytes server_response) + + cdef _write(self, buf) + + cdef _read_server_messages(self) + + cdef _push_result(self) + cdef _reset_result(self) + cdef _set_state(self, ProtocolState new_state) + + cdef _ensure_connected(self) + + cdef WriteBuffer _build_bind_message(self, str portal_name, + str stmt_name, + WriteBuffer bind_data) + + + cdef _connect(self) + cdef _prepare(self, str stmt_name, str query) + cdef _send_bind_message(self, str portal_name, str stmt_name, + WriteBuffer bind_data, int32_t limit) + cdef _bind_execute(self, str portal_name, str stmt_name, + WriteBuffer bind_data, int32_t limit) + cdef _bind_execute_many(self, str portal_name, str stmt_name, + object bind_data) + cdef _bind(self, str portal_name, str stmt_name, + WriteBuffer bind_data) + cdef _execute(self, str portal_name, int32_t limit) + cdef _close(self, str name, bint is_portal) + cdef _simple_query(self, str query) + cdef _copy_out(self, str copy_stmt) + cdef _copy_in(self, str copy_stmt) + cdef _terminate(self) + + cdef _decode_row(self, const char* buf, ssize_t buf_len) + + cdef _on_result(self) + cdef _on_notification(self, pid, channel, payload) + cdef _on_notice(self, parsed) + cdef _set_server_parameter(self, name, val) + cdef _on_connection_lost(self, exc) diff --git a/asyncpg/protocol/coreproto.pyx b/asyncpg/protocol/coreproto.pyx new file mode 100644 index 0000000..fdc26ec --- /dev/null +++ b/asyncpg/protocol/coreproto.pyx @@ -0,0 +1,1036 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from hashlib import md5 as hashlib_md5 # for MD5 authentication + + +include "scram.pyx" + + +cdef class CoreProtocol: + + def __init__(self, con_params): + # type of `con_params` is `_ConnectionParameters` + self.buffer = ReadBuffer() + self.user = con_params.user + self.password = con_params.password + self.auth_msg = None + self.con_params = con_params + self.con_status = CONNECTION_BAD + self.state = PROTOCOL_IDLE + self.xact_status = PQTRANS_IDLE + self.encoding = 'utf-8' + # type of `scram` is `SCRAMAuthentcation` + self.scram = None + + # executemany support data + self._execute_iter = None + self._execute_portal_name = None + self._execute_stmt_name = None + + self._reset_result() + + cdef _read_server_messages(self): + cdef: + char mtype + ProtocolState state + pgproto.take_message_method take_message = \ + self.buffer.take_message + pgproto.get_message_type_method get_message_type= \ + self.buffer.get_message_type + + while take_message(self.buffer) == 1: + mtype = get_message_type(self.buffer) + state = self.state + + try: + if mtype == b'S': + # ParameterStatus + self._parse_msg_parameter_status() + + elif mtype == b'A': + # NotificationResponse + self._parse_msg_notification() + + elif mtype == b'N': + # 'N' - NoticeResponse + self._on_notice(self._parse_msg_error_response(False)) + + elif state == PROTOCOL_AUTH: + self._process__auth(mtype) + + elif state == PROTOCOL_PREPARE: + self._process__prepare(mtype) + + elif state == PROTOCOL_BIND_EXECUTE: + self._process__bind_execute(mtype) + + elif state == PROTOCOL_BIND_EXECUTE_MANY: + self._process__bind_execute_many(mtype) + + elif state == PROTOCOL_EXECUTE: + self._process__bind_execute(mtype) + + elif state == PROTOCOL_BIND: + self._process__bind(mtype) + + elif state == PROTOCOL_CLOSE_STMT_PORTAL: + self._process__close_stmt_portal(mtype) + + elif state == PROTOCOL_SIMPLE_QUERY: + self._process__simple_query(mtype) + + elif state == PROTOCOL_COPY_OUT: + self._process__copy_out(mtype) + + elif (state == PROTOCOL_COPY_OUT_DATA or + state == PROTOCOL_COPY_OUT_DONE): + self._process__copy_out_data(mtype) + + elif state == PROTOCOL_COPY_IN: + self._process__copy_in(mtype) + + elif state == PROTOCOL_COPY_IN_DATA: + self._process__copy_in_data(mtype) + + elif state == PROTOCOL_CANCELLED: + # discard all messages until the sync message + if mtype == b'E': + self._parse_msg_error_response(True) + elif mtype == b'Z': + self._parse_msg_ready_for_query() + self._push_result() + else: + self.buffer.discard_message() + + elif state == PROTOCOL_ERROR_CONSUME: + # Error in protocol (on asyncpg side); + # discard all messages until sync message + + if mtype == b'Z': + # Sync point, self to push the result + if self.result_type != RESULT_FAILED: + self.result_type = RESULT_FAILED + self.result = apg_exc.InternalClientError( + 'unknown error in protocol implementation') + + self._parse_msg_ready_for_query() + self._push_result() + + else: + self.buffer.discard_message() + + elif state == PROTOCOL_TERMINATING: + # The connection is being terminated. + # discard all messages until connection + # termination. + self.buffer.discard_message() + + else: + raise apg_exc.InternalClientError( + f'cannot process message {chr(mtype)!r}: ' + f'protocol is in an unexpected state {state!r}.') + + except Exception as ex: + self.result_type = RESULT_FAILED + self.result = ex + + if mtype == b'Z': + self._push_result() + else: + self.state = PROTOCOL_ERROR_CONSUME + + finally: + self.buffer.finish_message() + + cdef _process__auth(self, char mtype): + if mtype == b'R': + # Authentication... + self._parse_msg_authentication() + if self.result_type != RESULT_OK: + self.con_status = CONNECTION_BAD + self._push_result() + + elif self.auth_msg is not None: + # Server wants us to send auth data, so do that. + self._write(self.auth_msg) + self.auth_msg = None + + elif mtype == b'K': + # BackendKeyData + self._parse_msg_backend_key_data() + + elif mtype == b'E': + # ErrorResponse + self.con_status = CONNECTION_BAD + self._parse_msg_error_response(True) + self._push_result() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self.con_status = CONNECTION_OK + self._push_result() + + cdef _process__prepare(self, char mtype): + if mtype == b't': + # Parameters description + self.result_param_desc = self.buffer.consume_message() + + elif mtype == b'1': + # ParseComplete + self.buffer.discard_message() + + elif mtype == b'T': + # Row description + self.result_row_desc = self.buffer.consume_message() + self._push_result() + + elif mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + # we don't send a sync during the parse/describe sequence + # but send a FLUSH instead. If an error happens we need to + # send a SYNC explicitly in order to mark the end of the transaction. + # this effectively clears the error and we then wait until we get a + # ready for new query message + self._write(SYNC_MESSAGE) + self.state = PROTOCOL_ERROR_CONSUME + + elif mtype == b'n': + # NoData + self.buffer.discard_message() + self._push_result() + + cdef _process__bind_execute(self, char mtype): + if mtype == b'D': + # DataRow + self._parse_data_msgs() + + elif mtype == b's': + # PortalSuspended + self.buffer.discard_message() + + elif mtype == b'C': + # CommandComplete + self.result_execute_completed = True + self._parse_msg_command_complete() + + elif mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + + elif mtype == b'2': + # BindComplete + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + elif mtype == b'I': + # EmptyQueryResponse + self.buffer.discard_message() + + cdef _process__bind_execute_many(self, char mtype): + cdef WriteBuffer buf + + if mtype == b'D': + # DataRow + self._parse_data_msgs() + + elif mtype == b's': + # PortalSuspended + self.buffer.discard_message() + + elif mtype == b'C': + # CommandComplete + self._parse_msg_command_complete() + + elif mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + + elif mtype == b'2': + # BindComplete + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + if self.result_type == RESULT_FAILED: + self._push_result() + else: + try: + buf = next(self._execute_iter) + except StopIteration: + self._push_result() + except Exception as e: + self.result_type = RESULT_FAILED + self.result = e + self._push_result() + else: + # Next iteration over the executemany() arg sequence + self._send_bind_message( + self._execute_portal_name, self._execute_stmt_name, + buf, 0) + + elif mtype == b'I': + # EmptyQueryResponse + self.buffer.discard_message() + + cdef _process__bind(self, char mtype): + if mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + + elif mtype == b'2': + # BindComplete + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _process__close_stmt_portal(self, char mtype): + if mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + + elif mtype == b'3': + # CloseComplete + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _process__simple_query(self, char mtype): + if mtype in {b'D', b'I', b'T'}: + # 'D' - DataRow + # 'I' - EmptyQueryResponse + # 'T' - RowDescription + self.buffer.discard_message() + + elif mtype == b'E': + # ErrorResponse + self._parse_msg_error_response(True) + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + elif mtype == b'C': + # CommandComplete + self._parse_msg_command_complete() + + else: + # We don't really care about COPY IN etc + self.buffer.discard_message() + + cdef _process__copy_out(self, char mtype): + if mtype == b'E': + self._parse_msg_error_response(True) + + elif mtype == b'H': + # CopyOutResponse + self._set_state(PROTOCOL_COPY_OUT_DATA) + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _process__copy_out_data(self, char mtype): + if mtype == b'E': + self._parse_msg_error_response(True) + + elif mtype == b'd': + # CopyData + self._parse_copy_data_msgs() + + elif mtype == b'c': + # CopyDone + self.buffer.discard_message() + self._set_state(PROTOCOL_COPY_OUT_DONE) + + elif mtype == b'C': + # CommandComplete + self._parse_msg_command_complete() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _process__copy_in(self, char mtype): + if mtype == b'E': + self._parse_msg_error_response(True) + + elif mtype == b'G': + # CopyInResponse + self._set_state(PROTOCOL_COPY_IN_DATA) + self.buffer.discard_message() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _process__copy_in_data(self, char mtype): + if mtype == b'E': + self._parse_msg_error_response(True) + + elif mtype == b'C': + # CommandComplete + self._parse_msg_command_complete() + + elif mtype == b'Z': + # ReadyForQuery + self._parse_msg_ready_for_query() + self._push_result() + + cdef _parse_msg_command_complete(self): + cdef: + const char* cbuf + ssize_t cbuf_len + + cbuf = self.buffer.try_consume_message(&cbuf_len) + if cbuf != NULL and cbuf_len > 0: + msg = cpython.PyBytes_FromStringAndSize(cbuf, cbuf_len - 1) + else: + msg = self.buffer.read_null_str() + self.result_status_msg = msg + + cdef _parse_copy_data_msgs(self): + cdef: + ReadBuffer buf = self.buffer + + self.result = buf.consume_messages(b'd') + + # By this point we have consumed all CopyData messages + # in the inbound buffer. If there are no messages left + # in the buffer, we need to push the accumulated data + # out to the caller in anticipation of the new CopyData + # batch. If there _are_ non-CopyData messages left, + # we must not push the result here and let the + # _process__copy_out_data subprotocol do the job. + if not buf.take_message(): + self._on_result() + self.result = None + else: + # If there is a message in the buffer, put it back to + # be processed by the next protocol iteration. + buf.put_message() + + cdef _write_copy_data_msg(self, object data): + cdef: + WriteBuffer buf + object mview + Py_buffer *pybuf + + mview = cpythonx.PyMemoryView_GetContiguous( + data, cpython.PyBUF_READ, b'C') + + try: + pybuf = cpythonx.PyMemoryView_GET_BUFFER(mview) + + buf = WriteBuffer.new_message(b'd') + buf.write_cstr(pybuf.buf, pybuf.len) + buf.end_message() + finally: + mview.release() + + self._write(buf) + + cdef _write_copy_done_msg(self): + cdef: + WriteBuffer buf + + buf = WriteBuffer.new_message(b'c') + buf.end_message() + self._write(buf) + + cdef _write_copy_fail_msg(self, str cause): + cdef: + WriteBuffer buf + + buf = WriteBuffer.new_message(b'f') + buf.write_str(cause or '', self.encoding) + buf.end_message() + self._write(buf) + + cdef _parse_data_msgs(self): + cdef: + ReadBuffer buf = self.buffer + list rows + + decode_row_method decoder = self._decode_row + pgproto.try_consume_message_method try_consume_message = \ + buf.try_consume_message + pgproto.take_message_type_method take_message_type = \ + buf.take_message_type + + const char* cbuf + ssize_t cbuf_len + object row + bytes mem + + if PG_DEBUG: + if buf.get_message_type() != b'D': + raise apg_exc.InternalClientError( + '_parse_data_msgs: first message is not "D"') + + if self._discard_data: + while take_message_type(buf, b'D'): + buf.discard_message() + return + + if PG_DEBUG: + if type(self.result) is not list: + raise apg_exc.InternalClientError( + '_parse_data_msgs: result is not a list, but {!r}'. + format(self.result)) + + rows = self.result + while take_message_type(buf, b'D'): + cbuf = try_consume_message(buf, &cbuf_len) + if cbuf != NULL: + row = decoder(self, cbuf, cbuf_len) + else: + mem = buf.consume_message() + row = decoder( + self, + cpython.PyBytes_AS_STRING(mem), + cpython.PyBytes_GET_SIZE(mem)) + + cpython.PyList_Append(rows, row) + + cdef _parse_msg_backend_key_data(self): + self.backend_pid = self.buffer.read_int32() + self.backend_secret = self.buffer.read_int32() + + cdef _parse_msg_parameter_status(self): + name = self.buffer.read_null_str() + name = name.decode(self.encoding) + + val = self.buffer.read_null_str() + val = val.decode(self.encoding) + + self._set_server_parameter(name, val) + + cdef _parse_msg_notification(self): + pid = self.buffer.read_int32() + channel = self.buffer.read_null_str().decode(self.encoding) + payload = self.buffer.read_null_str().decode(self.encoding) + self._on_notification(pid, channel, payload) + + cdef _parse_msg_authentication(self): + cdef: + int32_t status + bytes md5_salt + list sasl_auth_methods + list unsupported_sasl_auth_methods + + status = self.buffer.read_int32() + + if status == AUTH_SUCCESSFUL: + # AuthenticationOk + self.result_type = RESULT_OK + + elif status == AUTH_REQUIRED_PASSWORD: + # AuthenticationCleartextPassword + self.result_type = RESULT_OK + self.auth_msg = self._auth_password_message_cleartext() + + elif status == AUTH_REQUIRED_PASSWORDMD5: + # AuthenticationMD5Password + # Note: MD5 salt is passed as a four-byte sequence + md5_salt = self.buffer.read_bytes(4) + self.auth_msg = self._auth_password_message_md5(md5_salt) + + elif status == AUTH_REQUIRED_SASL: + # AuthenticationSASL + # This requires making additional requests to the server in order + # to follow the SCRAM protocol defined in RFC 5802. + # get the SASL authentication methods that the server is providing + sasl_auth_methods = [] + unsupported_sasl_auth_methods = [] + # determine if the advertised authentication methods are supported, + # and if so, add them to the list + auth_method = self.buffer.read_null_str() + while auth_method: + if auth_method in SCRAMAuthentication.AUTHENTICATION_METHODS: + sasl_auth_methods.append(auth_method) + else: + unsupported_sasl_auth_methods.append(auth_method) + auth_method = self.buffer.read_null_str() + + # if none of the advertised authentication methods are supported, + # raise an error + # otherwise, initialize the SASL authentication exchange + if not sasl_auth_methods: + unsupported_sasl_auth_methods = [m.decode("ascii") + for m in unsupported_sasl_auth_methods] + self.result_type = RESULT_FAILED + self.result = apg_exc.InterfaceError( + 'unsupported SASL Authentication methods requested by the ' + 'server: {!r}'.format( + ", ".join(unsupported_sasl_auth_methods))) + else: + self.auth_msg = self._auth_password_message_sasl_initial( + sasl_auth_methods) + + elif status == AUTH_SASL_CONTINUE: + # AUTH_SASL_CONTINUE + # this requeires sending the second part of the SASL exchange, where + # the client parses information back from the server and determines + # if this is valid. + # The client builds a challenge response to the server + server_response = self.buffer.consume_message() + self.auth_msg = self._auth_password_message_sasl_continue( + server_response) + + elif status == AUTH_SASL_FINAL: + # AUTH_SASL_FINAL + server_response = self.buffer.consume_message() + if not self.scram.verify_server_final_message(server_response): + self.result_type = RESULT_FAILED + self.result = apg_exc.InterfaceError( + 'could not verify server signature for ' + 'SCRAM authentciation: scram-sha-256', + ) + + elif status in (AUTH_REQUIRED_KERBEROS, AUTH_REQUIRED_SCMCRED, + AUTH_REQUIRED_GSS, AUTH_REQUIRED_GSS_CONTINUE, + AUTH_REQUIRED_SSPI): + self.result_type = RESULT_FAILED + self.result = apg_exc.InterfaceError( + 'unsupported authentication method requested by the ' + 'server: {!r}'.format(AUTH_METHOD_NAME[status])) + + else: + self.result_type = RESULT_FAILED + self.result = apg_exc.InterfaceError( + 'unsupported authentication method requested by the ' + 'server: {}'.format(status)) + + if status not in [AUTH_SASL_CONTINUE, AUTH_SASL_FINAL]: + self.buffer.discard_message() + + cdef _auth_password_message_cleartext(self): + cdef: + WriteBuffer msg + + msg = WriteBuffer.new_message(b'p') + msg.write_bytestring(self.password.encode('ascii')) + msg.end_message() + + return msg + + cdef _auth_password_message_md5(self, bytes salt): + cdef: + WriteBuffer msg + + msg = WriteBuffer.new_message(b'p') + + # 'md5' + md5(md5(password + username) + salt)) + userpass = ((self.password or '') + (self.user or '')).encode('ascii') + hash = hashlib_md5(hashlib_md5(userpass).hexdigest().\ + encode('ascii') + salt).hexdigest().encode('ascii') + + msg.write_bytestring(b'md5' + hash) + msg.end_message() + + return msg + + cdef _auth_password_message_sasl_initial(self, list sasl_auth_methods): + cdef: + WriteBuffer msg + + # use the first supported advertized mechanism + self.scram = SCRAMAuthentication(sasl_auth_methods[0]) + # this involves a call and response with the server + msg = WriteBuffer.new_message(b'p') + msg.write_bytes(self.scram.create_client_first_message(self.user or '')) + msg.end_message() + + return msg + + cdef _auth_password_message_sasl_continue(self, bytes server_response): + cdef: + WriteBuffer msg + + # determine if there is a valid server response + self.scram.parse_server_first_message(server_response) + # this involves a call and response with the server + msg = WriteBuffer.new_message(b'p') + client_final_message = self.scram.create_client_final_message( + self.password or '') + msg.write_bytes(client_final_message) + msg.end_message() + + return msg + + cdef _parse_msg_ready_for_query(self): + cdef char status = self.buffer.read_byte() + + if status == b'I': + self.xact_status = PQTRANS_IDLE + elif status == b'T': + self.xact_status = PQTRANS_INTRANS + elif status == b'E': + self.xact_status = PQTRANS_INERROR + else: + self.xact_status = PQTRANS_UNKNOWN + + cdef _parse_msg_error_response(self, is_error): + cdef: + char code + bytes message + dict parsed = {} + + while True: + code = self.buffer.read_byte() + if code == 0: + break + + message = self.buffer.read_null_str() + + parsed[chr(code)] = message.decode() + + if is_error: + self.result_type = RESULT_FAILED + self.result = parsed + else: + return parsed + + cdef _push_result(self): + try: + self._on_result() + finally: + self._set_state(PROTOCOL_IDLE) + self._reset_result() + + cdef _reset_result(self): + self.result_type = RESULT_OK + self.result = None + self.result_param_desc = None + self.result_row_desc = None + self.result_status_msg = None + self.result_execute_completed = False + self._discard_data = False + + cdef _set_state(self, ProtocolState new_state): + if new_state == PROTOCOL_IDLE: + if self.state == PROTOCOL_FAILED: + raise apg_exc.InternalClientError( + 'cannot switch to "idle" state; ' + 'protocol is in the "failed" state') + elif self.state == PROTOCOL_IDLE: + pass + else: + self.state = new_state + + elif new_state == PROTOCOL_FAILED: + self.state = PROTOCOL_FAILED + + elif new_state == PROTOCOL_CANCELLED: + self.state = PROTOCOL_CANCELLED + + elif new_state == PROTOCOL_TERMINATING: + self.state = PROTOCOL_TERMINATING + + else: + if self.state == PROTOCOL_IDLE: + self.state = new_state + + elif (self.state == PROTOCOL_COPY_OUT and + new_state == PROTOCOL_COPY_OUT_DATA): + self.state = new_state + + elif (self.state == PROTOCOL_COPY_OUT_DATA and + new_state == PROTOCOL_COPY_OUT_DONE): + self.state = new_state + + elif (self.state == PROTOCOL_COPY_IN and + new_state == PROTOCOL_COPY_IN_DATA): + self.state = new_state + + elif self.state == PROTOCOL_FAILED: + raise apg_exc.InternalClientError( + 'cannot switch to state {}; ' + 'protocol is in the "failed" state'.format(new_state)) + else: + raise apg_exc.InternalClientError( + 'cannot switch to state {}; ' + 'another operation ({}) is in progress'.format( + new_state, self.state)) + + cdef _ensure_connected(self): + if self.con_status != CONNECTION_OK: + raise apg_exc.InternalClientError('not connected') + + cdef WriteBuffer _build_bind_message(self, str portal_name, + str stmt_name, + WriteBuffer bind_data): + cdef WriteBuffer buf + + buf = WriteBuffer.new_message(b'B') + buf.write_str(portal_name, self.encoding) + buf.write_str(stmt_name, self.encoding) + + # Arguments + buf.write_buffer(bind_data) + + buf.end_message() + return buf + + # API for subclasses + + cdef _connect(self): + cdef: + WriteBuffer buf + WriteBuffer outbuf + + if self.con_status != CONNECTION_BAD: + raise apg_exc.InternalClientError('already connected') + + self._set_state(PROTOCOL_AUTH) + self.con_status = CONNECTION_STARTED + + # Assemble a startup message + buf = WriteBuffer() + + # protocol version + buf.write_int16(3) + buf.write_int16(0) + + buf.write_bytestring(b'client_encoding') + buf.write_bytestring("'{}'".format(self.encoding).encode('ascii')) + + buf.write_str('user', self.encoding) + buf.write_str(self.con_params.user, self.encoding) + + buf.write_str('database', self.encoding) + buf.write_str(self.con_params.database, self.encoding) + + if self.con_params.server_settings is not None: + for k, v in self.con_params.server_settings.items(): + buf.write_str(k, self.encoding) + buf.write_str(v, self.encoding) + + buf.write_bytestring(b'') + + # Send the buffer + outbuf = WriteBuffer() + outbuf.write_int32(buf.len() + 4) + outbuf.write_buffer(buf) + self._write(outbuf) + + cdef _prepare(self, str stmt_name, str query): + cdef: + WriteBuffer packet + WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_PREPARE) + + buf = WriteBuffer.new_message(b'P') + buf.write_str(stmt_name, self.encoding) + buf.write_str(query, self.encoding) + buf.write_int16(0) + buf.end_message() + packet = buf + + buf = WriteBuffer.new_message(b'D') + buf.write_byte(b'S') + buf.write_str(stmt_name, self.encoding) + buf.end_message() + packet.write_buffer(buf) + + packet.write_bytes(FLUSH_MESSAGE) + + self._write(packet) + + cdef _send_bind_message(self, str portal_name, str stmt_name, + WriteBuffer bind_data, int32_t limit): + + cdef: + WriteBuffer packet + WriteBuffer buf + + buf = self._build_bind_message(portal_name, stmt_name, bind_data) + packet = buf + + buf = WriteBuffer.new_message(b'E') + buf.write_str(portal_name, self.encoding) # name of the portal + buf.write_int32(limit) # number of rows to return; 0 - all + buf.end_message() + packet.write_buffer(buf) + + packet.write_bytes(SYNC_MESSAGE) + + self._write(packet) + + cdef _bind_execute(self, str portal_name, str stmt_name, + WriteBuffer bind_data, int32_t limit): + + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_BIND_EXECUTE) + + self.result = [] + + self._send_bind_message(portal_name, stmt_name, bind_data, limit) + + cdef _bind_execute_many(self, str portal_name, str stmt_name, + object bind_data): + + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_BIND_EXECUTE_MANY) + + self.result = None + self._discard_data = True + self._execute_iter = bind_data + self._execute_portal_name = portal_name + self._execute_stmt_name = stmt_name + + try: + buf = next(bind_data) + except StopIteration: + self._push_result() + except Exception as e: + self.result_type = RESULT_FAILED + self.result = e + self._push_result() + else: + self._send_bind_message(portal_name, stmt_name, buf, 0) + + cdef _execute(self, str portal_name, int32_t limit): + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_EXECUTE) + + self.result = [] + + buf = WriteBuffer.new_message(b'E') + buf.write_str(portal_name, self.encoding) # name of the portal + buf.write_int32(limit) # number of rows to return; 0 - all + buf.end_message() + + buf.write_bytes(SYNC_MESSAGE) + + self._write(buf) + + cdef _bind(self, str portal_name, str stmt_name, + WriteBuffer bind_data): + + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_BIND) + + buf = self._build_bind_message(portal_name, stmt_name, bind_data) + + buf.write_bytes(SYNC_MESSAGE) + + self._write(buf) + + cdef _close(self, str name, bint is_portal): + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_CLOSE_STMT_PORTAL) + + buf = WriteBuffer.new_message(b'C') + + if is_portal: + buf.write_byte(b'P') + else: + buf.write_byte(b'S') + + buf.write_str(name, self.encoding) + buf.end_message() + + buf.write_bytes(SYNC_MESSAGE) + + self._write(buf) + + cdef _simple_query(self, str query): + cdef WriteBuffer buf + self._ensure_connected() + self._set_state(PROTOCOL_SIMPLE_QUERY) + buf = WriteBuffer.new_message(b'Q') + buf.write_str(query, self.encoding) + buf.end_message() + self._write(buf) + + cdef _copy_out(self, str copy_stmt): + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_COPY_OUT) + + # Send the COPY .. TO STDOUT using the SimpleQuery protocol. + buf = WriteBuffer.new_message(b'Q') + buf.write_str(copy_stmt, self.encoding) + buf.end_message() + self._write(buf) + + cdef _copy_in(self, str copy_stmt): + cdef WriteBuffer buf + + self._ensure_connected() + self._set_state(PROTOCOL_COPY_IN) + + buf = WriteBuffer.new_message(b'Q') + buf.write_str(copy_stmt, self.encoding) + buf.end_message() + self._write(buf) + + cdef _terminate(self): + cdef WriteBuffer buf + self._ensure_connected() + self._set_state(PROTOCOL_TERMINATING) + buf = WriteBuffer.new_message(b'X') + buf.end_message() + self._write(buf) + + cdef _write(self, buf): + raise NotImplementedError + + cdef _decode_row(self, const char* buf, ssize_t buf_len): + pass + + cdef _set_server_parameter(self, name, val): + pass + + cdef _on_result(self): + pass + + cdef _on_notice(self, parsed): + pass + + cdef _on_notification(self, pid, channel, payload): + pass + + cdef _on_connection_lost(self, exc): + pass + + +cdef bytes SYNC_MESSAGE = bytes(WriteBuffer.new_message(b'S').end_message()) +cdef bytes FLUSH_MESSAGE = bytes(WriteBuffer.new_message(b'H').end_message()) diff --git a/asyncpg/protocol/cpythonx.pxd b/asyncpg/protocol/cpythonx.pxd new file mode 100644 index 0000000..1c72988 --- /dev/null +++ b/asyncpg/protocol/cpythonx.pxd @@ -0,0 +1,19 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef extern from "Python.h": + int PyByteArray_Check(object) + + int PyMemoryView_Check(object) + Py_buffer *PyMemoryView_GET_BUFFER(object) + object PyMemoryView_GetContiguous(object, int buffertype, char order) + + Py_UCS4* PyUnicode_AsUCS4Copy(object) except NULL + object PyUnicode_FromKindAndData( + int kind, const void *buffer, Py_ssize_t size) + + int PyUnicode_4BYTE_KIND diff --git a/asyncpg/protocol/encodings.pyx b/asyncpg/protocol/encodings.pyx new file mode 100644 index 0000000..dcd692b --- /dev/null +++ b/asyncpg/protocol/encodings.pyx @@ -0,0 +1,63 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +'''Map PostgreSQL encoding names to Python encoding names + +https://www.postgresql.org/docs/current/static/multibyte.html#CHARSET-TABLE +''' + +cdef dict ENCODINGS_MAP = { + 'abc': 'cp1258', + 'alt': 'cp866', + 'euc_cn': 'euccn', + 'euc_jp': 'eucjp', + 'euc_kr': 'euckr', + 'koi8r': 'koi8_r', + 'koi8u': 'koi8_u', + 'shift_jis_2004': 'euc_jis_2004', + 'sjis': 'shift_jis', + 'sql_ascii': 'ascii', + 'vscii': 'cp1258', + 'tcvn': 'cp1258', + 'tcvn5712': 'cp1258', + 'unicode': 'utf_8', + 'win': 'cp1521', + 'win1250': 'cp1250', + 'win1251': 'cp1251', + 'win1252': 'cp1252', + 'win1253': 'cp1253', + 'win1254': 'cp1254', + 'win1255': 'cp1255', + 'win1256': 'cp1256', + 'win1257': 'cp1257', + 'win1258': 'cp1258', + 'win866': 'cp866', + 'win874': 'cp874', + 'win932': 'cp932', + 'win936': 'cp936', + 'win949': 'cp949', + 'win950': 'cp950', + 'windows1250': 'cp1250', + 'windows1251': 'cp1251', + 'windows1252': 'cp1252', + 'windows1253': 'cp1253', + 'windows1254': 'cp1254', + 'windows1255': 'cp1255', + 'windows1256': 'cp1256', + 'windows1257': 'cp1257', + 'windows1258': 'cp1258', + 'windows866': 'cp866', + 'windows874': 'cp874', + 'windows932': 'cp932', + 'windows936': 'cp936', + 'windows949': 'cp949', + 'windows950': 'cp950', +} + + +cdef get_python_encoding(pg_encoding): + return ENCODINGS_MAP.get(pg_encoding.lower(), pg_encoding.lower()) diff --git a/asyncpg/protocol/pgtypes.pxi b/asyncpg/protocol/pgtypes.pxi new file mode 100644 index 0000000..14db69d --- /dev/null +++ b/asyncpg/protocol/pgtypes.pxi @@ -0,0 +1,220 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +# GENERATED FROM pg_catalog.pg_type +# DO NOT MODIFY, use tools/generate_type_map.py to update + +DEF INVALIDOID = 0 +DEF MAXBUILTINOID = 9999 +DEF MAXSUPPORTEDOID = 4096 + +DEF BOOLOID = 16 +DEF BYTEAOID = 17 +DEF CHAROID = 18 +DEF NAMEOID = 19 +DEF INT8OID = 20 +DEF INT2OID = 21 +DEF INT4OID = 23 +DEF REGPROCOID = 24 +DEF TEXTOID = 25 +DEF OIDOID = 26 +DEF TIDOID = 27 +DEF XIDOID = 28 +DEF CIDOID = 29 +DEF PG_DDL_COMMANDOID = 32 +DEF JSONOID = 114 +DEF XMLOID = 142 +DEF PG_NODE_TREEOID = 194 +DEF SMGROID = 210 +DEF INDEX_AM_HANDLEROID = 325 +DEF POINTOID = 600 +DEF LSEGOID = 601 +DEF PATHOID = 602 +DEF BOXOID = 603 +DEF POLYGONOID = 604 +DEF LINEOID = 628 +DEF CIDROID = 650 +DEF FLOAT4OID = 700 +DEF FLOAT8OID = 701 +DEF ABSTIMEOID = 702 +DEF RELTIMEOID = 703 +DEF TINTERVALOID = 704 +DEF UNKNOWNOID = 705 +DEF CIRCLEOID = 718 +DEF MACADDR8OID = 774 +DEF MONEYOID = 790 +DEF MACADDROID = 829 +DEF INETOID = 869 +DEF _TEXTOID = 1009 +DEF _OIDOID = 1028 +DEF ACLITEMOID = 1033 +DEF BPCHAROID = 1042 +DEF VARCHAROID = 1043 +DEF DATEOID = 1082 +DEF TIMEOID = 1083 +DEF TIMESTAMPOID = 1114 +DEF TIMESTAMPTZOID = 1184 +DEF INTERVALOID = 1186 +DEF TIMETZOID = 1266 +DEF BITOID = 1560 +DEF VARBITOID = 1562 +DEF NUMERICOID = 1700 +DEF REFCURSOROID = 1790 +DEF REGPROCEDUREOID = 2202 +DEF REGOPEROID = 2203 +DEF REGOPERATOROID = 2204 +DEF REGCLASSOID = 2205 +DEF REGTYPEOID = 2206 +DEF RECORDOID = 2249 +DEF CSTRINGOID = 2275 +DEF ANYOID = 2276 +DEF ANYARRAYOID = 2277 +DEF VOIDOID = 2278 +DEF TRIGGEROID = 2279 +DEF LANGUAGE_HANDLEROID = 2280 +DEF INTERNALOID = 2281 +DEF OPAQUEOID = 2282 +DEF ANYELEMENTOID = 2283 +DEF ANYNONARRAYOID = 2776 +DEF UUIDOID = 2950 +DEF TXID_SNAPSHOTOID = 2970 +DEF FDW_HANDLEROID = 3115 +DEF PG_LSNOID = 3220 +DEF TSM_HANDLEROID = 3310 +DEF PG_NDISTINCTOID = 3361 +DEF PG_DEPENDENCIESOID = 3402 +DEF ANYENUMOID = 3500 +DEF TSVECTOROID = 3614 +DEF TSQUERYOID = 3615 +DEF GTSVECTOROID = 3642 +DEF REGCONFIGOID = 3734 +DEF REGDICTIONARYOID = 3769 +DEF JSONBOID = 3802 +DEF ANYRANGEOID = 3831 +DEF EVENT_TRIGGEROID = 3838 +DEF REGNAMESPACEOID = 4089 +DEF REGROLEOID = 4096 + +cdef ARRAY_TYPES = (_TEXTOID, _OIDOID,) + +BUILTIN_TYPE_OID_MAP = { + ABSTIMEOID: 'abstime', + ACLITEMOID: 'aclitem', + ANYARRAYOID: 'anyarray', + ANYELEMENTOID: 'anyelement', + ANYENUMOID: 'anyenum', + ANYNONARRAYOID: 'anynonarray', + ANYOID: 'any', + ANYRANGEOID: 'anyrange', + BITOID: 'bit', + BOOLOID: 'bool', + BOXOID: 'box', + BPCHAROID: 'bpchar', + BYTEAOID: 'bytea', + CHAROID: 'char', + CIDOID: 'cid', + CIDROID: 'cidr', + CIRCLEOID: 'circle', + CSTRINGOID: 'cstring', + DATEOID: 'date', + EVENT_TRIGGEROID: 'event_trigger', + FDW_HANDLEROID: 'fdw_handler', + FLOAT4OID: 'float4', + FLOAT8OID: 'float8', + GTSVECTOROID: 'gtsvector', + INDEX_AM_HANDLEROID: 'index_am_handler', + INETOID: 'inet', + INT2OID: 'int2', + INT4OID: 'int4', + INT8OID: 'int8', + INTERNALOID: 'internal', + INTERVALOID: 'interval', + JSONBOID: 'jsonb', + JSONOID: 'json', + LANGUAGE_HANDLEROID: 'language_handler', + LINEOID: 'line', + LSEGOID: 'lseg', + MACADDR8OID: 'macaddr8', + MACADDROID: 'macaddr', + MONEYOID: 'money', + NAMEOID: 'name', + NUMERICOID: 'numeric', + OIDOID: 'oid', + OPAQUEOID: 'opaque', + PATHOID: 'path', + PG_DDL_COMMANDOID: 'pg_ddl_command', + PG_DEPENDENCIESOID: 'pg_dependencies', + PG_LSNOID: 'pg_lsn', + PG_NDISTINCTOID: 'pg_ndistinct', + PG_NODE_TREEOID: 'pg_node_tree', + POINTOID: 'point', + POLYGONOID: 'polygon', + RECORDOID: 'record', + REFCURSOROID: 'refcursor', + REGCLASSOID: 'regclass', + REGCONFIGOID: 'regconfig', + REGDICTIONARYOID: 'regdictionary', + REGNAMESPACEOID: 'regnamespace', + REGOPERATOROID: 'regoperator', + REGOPEROID: 'regoper', + REGPROCEDUREOID: 'regprocedure', + REGPROCOID: 'regproc', + REGROLEOID: 'regrole', + REGTYPEOID: 'regtype', + RELTIMEOID: 'reltime', + SMGROID: 'smgr', + TEXTOID: 'text', + TIDOID: 'tid', + TIMEOID: 'time', + TIMESTAMPOID: 'timestamp', + TIMESTAMPTZOID: 'timestamptz', + TIMETZOID: 'timetz', + TINTERVALOID: 'tinterval', + TRIGGEROID: 'trigger', + TSM_HANDLEROID: 'tsm_handler', + TSQUERYOID: 'tsquery', + TSVECTOROID: 'tsvector', + TXID_SNAPSHOTOID: 'txid_snapshot', + UNKNOWNOID: 'unknown', + UUIDOID: 'uuid', + VARBITOID: 'varbit', + VARCHAROID: 'varchar', + VOIDOID: 'void', + XIDOID: 'xid', + XMLOID: 'xml', + _OIDOID: 'oid[]', + _TEXTOID: 'text[]' +} + +BUILTIN_TYPE_NAME_MAP = {v: k for k, v in BUILTIN_TYPE_OID_MAP.items()} + +BUILTIN_TYPE_NAME_MAP['smallint'] = \ + BUILTIN_TYPE_NAME_MAP['int2'] + +BUILTIN_TYPE_NAME_MAP['int'] = \ + BUILTIN_TYPE_NAME_MAP['int4'] + +BUILTIN_TYPE_NAME_MAP['integer'] = \ + BUILTIN_TYPE_NAME_MAP['int4'] + +BUILTIN_TYPE_NAME_MAP['bigint'] = \ + BUILTIN_TYPE_NAME_MAP['int8'] + +BUILTIN_TYPE_NAME_MAP['decimal'] = \ + BUILTIN_TYPE_NAME_MAP['numeric'] + +BUILTIN_TYPE_NAME_MAP['real'] = \ + BUILTIN_TYPE_NAME_MAP['float4'] + +BUILTIN_TYPE_NAME_MAP['double precision'] = \ + BUILTIN_TYPE_NAME_MAP['float8'] + +BUILTIN_TYPE_NAME_MAP['timestamp with timezone'] = \ + BUILTIN_TYPE_NAME_MAP['timestamptz'] + +BUILTIN_TYPE_NAME_MAP['time with timezone'] = \ + BUILTIN_TYPE_NAME_MAP['timetz'] diff --git a/asyncpg/protocol/prepared_stmt.pxd b/asyncpg/protocol/prepared_stmt.pxd new file mode 100644 index 0000000..0d3f8d3 --- /dev/null +++ b/asyncpg/protocol/prepared_stmt.pxd @@ -0,0 +1,35 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class PreparedStatementState: + cdef: + readonly str name + readonly str query + readonly bint closed + readonly int refs + + list row_desc + list parameters_desc + + ConnectionSettings settings + + int16_t args_num + bint have_text_args + tuple args_codecs + + int16_t cols_num + object cols_desc + bint have_text_cols + tuple rows_codecs + + cdef _encode_bind_msg(self, args) + cpdef _init_codecs(self) + cdef _ensure_rows_decoder(self) + cdef _ensure_args_encoder(self) + cdef _set_row_desc(self, object desc) + cdef _set_args_desc(self, object desc) + cdef _decode_row(self, const char* cbuf, ssize_t buf_len) diff --git a/asyncpg/protocol/prepared_stmt.pyx b/asyncpg/protocol/prepared_stmt.pyx new file mode 100644 index 0000000..b69f76b --- /dev/null +++ b/asyncpg/protocol/prepared_stmt.pyx @@ -0,0 +1,349 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from asyncpg import exceptions + + +@cython.final +cdef class PreparedStatementState: + + def __cinit__(self, str name, str query, BaseProtocol protocol): + self.name = name + self.query = query + self.settings = protocol.settings + self.row_desc = self.parameters_desc = None + self.args_codecs = self.rows_codecs = None + self.args_num = self.cols_num = 0 + self.cols_desc = None + self.closed = False + self.refs = 0 + + def _get_parameters(self): + cdef Codec codec + + result = [] + for oid in self.parameters_desc: + codec = self.settings.get_data_codec(oid) + if codec is None: + raise exceptions.InternalClientError( + 'missing codec information for OID {}'.format(oid)) + result.append(apg_types.Type( + oid, codec.name, codec.kind, codec.schema)) + + return tuple(result) + + def _get_attributes(self): + cdef Codec codec + + if not self.row_desc: + return () + + result = [] + for d in self.row_desc: + name = d[0] + oid = d[3] + + codec = self.settings.get_data_codec(oid) + if codec is None: + raise exceptions.InternalClientError( + 'missing codec information for OID {}'.format(oid)) + + name = name.decode(self.settings._encoding) + + result.append( + apg_types.Attribute(name, + apg_types.Type(oid, codec.name, codec.kind, codec.schema))) + + return tuple(result) + + def _init_types(self): + cdef: + Codec codec + set missing = set() + + if self.parameters_desc: + for p_oid in self.parameters_desc: + codec = self.settings.get_data_codec(p_oid) + if codec is None or not codec.has_encoder(): + missing.add(p_oid) + + if self.row_desc: + for rdesc in self.row_desc: + codec = self.settings.get_data_codec((rdesc[3])) + if codec is None or not codec.has_decoder(): + missing.add(rdesc[3]) + + return missing + + cpdef _init_codecs(self): + self._ensure_args_encoder() + self._ensure_rows_decoder() + + def attach(self): + self.refs += 1 + + def detach(self): + self.refs -= 1 + + def mark_closed(self): + self.closed = True + + cdef _encode_bind_msg(self, args): + cdef: + int idx + WriteBuffer writer + Codec codec + + if len(args) > 32767: + raise exceptions.InterfaceError( + 'the number of query arguments cannot exceed 32767') + + writer = WriteBuffer.new() + + num_args_passed = len(args) + if self.args_num != num_args_passed: + hint = 'Check the query against the passed list of arguments.' + + if self.args_num == 0: + # If the server was expecting zero arguments, it is likely + # that the user tried to parametrize a statement that does + # not support parameters. + hint += (r' Note that parameters are supported only in' + r' SELECT, INSERT, UPDATE, DELETE, and VALUES' + r' statements, and will *not* work in statements ' + r' like CREATE VIEW or DECLARE CURSOR.') + + raise exceptions.InterfaceError( + 'the server expects {x} argument{s} for this query, ' + '{y} {w} passed'.format( + x=self.args_num, s='s' if self.args_num != 1 else '', + y=num_args_passed, + w='was' if num_args_passed == 1 else 'were'), + hint=hint) + + if self.have_text_args: + writer.write_int16(self.args_num) + for idx in range(self.args_num): + codec = (self.args_codecs[idx]) + writer.write_int16(codec.format) + else: + # All arguments are in binary format + writer.write_int32(0x00010001) + + writer.write_int16(self.args_num) + + for idx in range(self.args_num): + arg = args[idx] + if arg is None: + writer.write_int32(-1) + else: + codec = (self.args_codecs[idx]) + try: + codec.encode(self.settings, writer, arg) + except (AssertionError, exceptions.InternalClientError): + # These are internal errors and should raise as-is. + raise + except exceptions.InterfaceError: + # This is already a descriptive error. + raise + except Exception as e: + # Everything else is assumed to be an encoding error + # due to invalid input. + value_repr = repr(arg) + if len(value_repr) > 40: + value_repr = value_repr[:40] + '...' + + raise exceptions.DataError( + 'invalid input for query argument' + ' ${n}: {v} ({msg})'.format( + n=idx + 1, v=value_repr, msg=e)) from e + + if self.have_text_cols: + writer.write_int16(self.cols_num) + for idx in range(self.cols_num): + codec = (self.rows_codecs[idx]) + writer.write_int16(codec.format) + else: + # All columns are in binary format + writer.write_int32(0x00010001) + + return writer + + cdef _ensure_rows_decoder(self): + cdef: + list cols_names + object cols_mapping + tuple row + uint32_t oid + Codec codec + list codecs + + if self.cols_desc is not None: + return + + if self.cols_num == 0: + self.cols_desc = record.ApgRecordDesc_New({}, ()) + return + + cols_mapping = collections.OrderedDict() + cols_names = [] + codecs = [] + for i from 0 <= i < self.cols_num: + row = self.row_desc[i] + col_name = row[0].decode(self.settings._encoding) + cols_mapping[col_name] = i + cols_names.append(col_name) + oid = row[3] + codec = self.settings.get_data_codec(oid) + if codec is None or not codec.has_decoder(): + raise exceptions.InternalClientError( + 'no decoder for OID {}'.format(oid)) + if not codec.is_binary(): + self.have_text_cols = True + + codecs.append(codec) + + self.cols_desc = record.ApgRecordDesc_New( + cols_mapping, tuple(cols_names)) + + self.rows_codecs = tuple(codecs) + + cdef _ensure_args_encoder(self): + cdef: + uint32_t p_oid + Codec codec + list codecs = [] + + if self.args_num == 0 or self.args_codecs is not None: + return + + for i from 0 <= i < self.args_num: + p_oid = self.parameters_desc[i] + codec = self.settings.get_data_codec(p_oid) + if codec is None or not codec.has_encoder(): + raise exceptions.InternalClientError( + 'no encoder for OID {}'.format(p_oid)) + if codec.type not in {}: + self.have_text_args = True + + codecs.append(codec) + + self.args_codecs = tuple(codecs) + + cdef _set_row_desc(self, object desc): + self.row_desc = _decode_row_desc(desc) + self.cols_num = (len(self.row_desc)) + + cdef _set_args_desc(self, object desc): + self.parameters_desc = _decode_parameters_desc(desc) + self.args_num = (len(self.parameters_desc)) + + cdef _decode_row(self, const char* cbuf, ssize_t buf_len): + cdef: + Codec codec + int16_t fnum + int32_t flen + object dec_row + tuple rows_codecs = self.rows_codecs + ConnectionSettings settings = self.settings + int32_t i + FRBuffer rbuf + ssize_t bl + + frb_init(&rbuf, cbuf, buf_len) + + fnum = hton.unpack_int16(frb_read(&rbuf, 2)) + + if fnum != self.cols_num: + raise exceptions.ProtocolError( + 'the number of columns in the result row ({}) is ' + 'different from what was described ({})'.format( + fnum, self.cols_num)) + + dec_row = record.ApgRecord_New(self.cols_desc, fnum) + for i in range(fnum): + flen = hton.unpack_int32(frb_read(&rbuf, 4)) + + if flen == -1: + val = None + else: + # Clamp buffer size to that of the reported field length + # to make sure that codecs can rely on read_all() working + # properly. + bl = frb_get_len(&rbuf) + if flen > bl: + frb_check(&rbuf, flen) + frb_set_len(&rbuf, flen) + codec = cpython.PyTuple_GET_ITEM(rows_codecs, i) + val = codec.decode(settings, &rbuf) + if frb_get_len(&rbuf) != 0: + raise BufferError( + 'unexpected trailing {} bytes in buffer'.format( + frb_get_len(&rbuf))) + frb_set_len(&rbuf, bl - flen) + + cpython.Py_INCREF(val) + record.ApgRecord_SET_ITEM(dec_row, i, val) + + if frb_get_len(&rbuf) != 0: + raise BufferError('unexpected trailing {} bytes in buffer'.format( + frb_get_len(&rbuf))) + + return dec_row + + +cdef _decode_parameters_desc(object desc): + cdef: + ReadBuffer reader + int16_t nparams + uint32_t p_oid + list result = [] + + reader = ReadBuffer.new_message_parser(desc) + nparams = reader.read_int16() + + for i from 0 <= i < nparams: + p_oid = reader.read_int32() + result.append(p_oid) + + return result + + +cdef _decode_row_desc(object desc): + cdef: + ReadBuffer reader + + int16_t nfields + + bytes f_name + uint32_t f_table_oid + int16_t f_column_num + uint32_t f_dt_oid + int16_t f_dt_size + int32_t f_dt_mod + int16_t f_format + + list result + + reader = ReadBuffer.new_message_parser(desc) + nfields = reader.read_int16() + result = [] + + for i from 0 <= i < nfields: + f_name = reader.read_null_str() + f_table_oid = reader.read_int32() + f_column_num = reader.read_int16() + f_dt_oid = reader.read_int32() + f_dt_size = reader.read_int16() + f_dt_mod = reader.read_int32() + f_format = reader.read_int16() + + result.append( + (f_name, f_table_oid, f_column_num, f_dt_oid, + f_dt_size, f_dt_mod, f_format)) + + return result diff --git a/asyncpg/protocol/protocol.c b/asyncpg/protocol/protocol.c new file mode 100644 index 0000000..5a9af87 --- /dev/null +++ b/asyncpg/protocol/protocol.c @@ -0,0 +1,90353 @@ +/* Generated by Cython 0.29.20 */ + +/* BEGIN: Cython Metadata +{ + "distutils": { + "depends": [ + "asyncpg/pgproto/debug.h" + ], + "extra_compile_args": [ + "-O2", + "-fsigned-char", + "-Wall", + "-Wsign-compare", + "-Wconversion" + ], + "include_dirs": [ + "./asyncpg/pgproto", + "asyncpg/pgproto/" + ], + "name": "asyncpg.protocol.protocol", + "sources": [ + "asyncpg/protocol/protocol.pyx", + "asyncpg/protocol/record/recordobj.c" + ] + }, + "module_name": "asyncpg.protocol.protocol" +} +END: Cython Metadata */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_20" +#define CYTHON_HEX_VERSION 0x001D14F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : (Py_INCREF(func), func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__asyncpg__protocol__protocol +#define __PYX_HAVE_API__asyncpg__protocol__protocol +/* Early includes */ +#include +#include "debug.h" +#include +#include +#include "pythread.h" +#include "record/recordobj.h" +#include "./hton.h" +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "asyncpg/protocol/scram.pyx", + "asyncpg/protocol/protocol.pyx", + "asyncpg/protocol/settings.pyx", + "stringsource", + "asyncpg/protocol/codecs/base.pyx", + "asyncpg/protocol/codecs/array.pyx", + "asyncpg/protocol/coreproto.pyx", + "asyncpg/protocol/prepared_stmt.pyx", + "asyncpg/protocol/encodings.pyx", + "asyncpg/protocol/codecs/pgproto.pyx", + "asyncpg/protocol/codecs/range.pyx", + "asyncpg/protocol/codecs/record.pyx", + "asyncpg/protocol/scram.pxd", + "asyncpg/protocol/coreproto.pxd", + "asyncpg/protocol/prepared_stmt.pxd", + "asyncpg/protocol/protocol.pxd", + "asyncpg/pgproto/./frb.pxd", + "asyncpg/pgproto/./buffer.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/type.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/bool.pxd", + ".eggs/Cython-0.29.20-py3.8-linux-x86_64.egg/Cython/Includes/cpython/complex.pxd", + "asyncpg/protocol/pgtypes.pxi", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer; +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext; +struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec; +struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig; +struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings; +struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication; +struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol; +struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState; +struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close; +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation; +struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer; +struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages; + +/* "asyncpg/pgproto/frb.pxd":10 + * cdef: + * + * struct FRBuffer: # <<<<<<<<<<<<<< + * const char* buf + * ssize_t len + */ +struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer { + char const *buf; + Py_ssize_t len; +}; + +/* "asyncpg/pgproto/buffer.pxd":60 + * + * + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) # <<<<<<<<<<<<<< + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 + */ +typedef char const *(*__pyx_t_7asyncpg_7pgproto_7pgproto_try_consume_message_method)(PyObject *, Py_ssize_t *); + +/* "asyncpg/pgproto/buffer.pxd":61 + * + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 # <<<<<<<<<<<<<< + * ctypedef int32_t (*take_message_method)(object) except -1 + * ctypedef char (*get_message_type_method)(object) + */ +typedef int32_t (*__pyx_t_7asyncpg_7pgproto_7pgproto_take_message_type_method)(PyObject *, char); + +/* "asyncpg/pgproto/buffer.pxd":62 + * ctypedef const char * (*try_consume_message_method)(object, ssize_t*) + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 # <<<<<<<<<<<<<< + * ctypedef char (*get_message_type_method)(object) + * + */ +typedef int32_t (*__pyx_t_7asyncpg_7pgproto_7pgproto_take_message_method)(PyObject *); + +/* "asyncpg/pgproto/buffer.pxd":63 + * ctypedef int32_t (*take_message_type_method)(object, char) except -1 + * ctypedef int32_t (*take_message_method)(object) except -1 + * ctypedef char (*get_message_type_method)(object) # <<<<<<<<<<<<<< + * + * + */ +typedef char (*__pyx_t_7asyncpg_7pgproto_7pgproto_get_message_type_method)(PyObject *); + +/* "asyncpg/pgproto/buffer.pxd":128 + * cdef bytes consume_message(self) + * cdef discard_message(self) + * cdef redirect_messages(self, WriteBuffer buf, char mtype, int stop_at=?) # <<<<<<<<<<<<<< + * cdef bytearray consume_messages(self, char mtype) + * cdef finish_message(self) + */ +struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages { + int __pyx_n; + int stop_at; +}; + +/* "asyncpg/pgproto/codecs/__init__.pxd":14 + * + * + * ctypedef object (*encode_func)(CodecContext settings, # <<<<<<<<<<<<<< + * WriteBuffer buf, + * object obj) + */ +typedef PyObject *(*__pyx_t_7asyncpg_7pgproto_7pgproto_encode_func)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + +/* "asyncpg/pgproto/codecs/__init__.pxd":18 + * object obj) + * + * ctypedef object (*decode_func)(CodecContext settings, # <<<<<<<<<<<<<< + * FRBuffer *buf) + * + */ +typedef PyObject *(*__pyx_t_7asyncpg_7pgproto_7pgproto_decode_func)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec; +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_get_core_codec; +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_get_any_core_codec; +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_register_core_codec; + +/* "asyncpg/protocol/codecs/base.pxd":25 + * + * + * cdef enum CodecType: # <<<<<<<<<<<<<< + * CODEC_UNDEFINED = 0 + * CODEC_C = 1 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType { + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_UNDEFINED = 0, + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_C = 1, + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_PY = 2, + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_ARRAY = 3, + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_COMPOSITE = 4, + __pyx_e_7asyncpg_8protocol_8protocol_CODEC_RANGE = 5 +}; + +/* "asyncpg/protocol/codecs/base.pxd":34 + * + * + * cdef enum ServerDataFormat: # <<<<<<<<<<<<<< + * PG_FORMAT_ANY = -1 + * PG_FORMAT_TEXT = 0 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat { + __pyx_e_7asyncpg_8protocol_8protocol_PG_FORMAT_ANY = -1L, + __pyx_e_7asyncpg_8protocol_8protocol_PG_FORMAT_TEXT = 0, + __pyx_e_7asyncpg_8protocol_8protocol_PG_FORMAT_BINARY = 1 +}; + +/* "asyncpg/protocol/codecs/base.pxd":40 + * + * + * cdef enum ClientExchangeFormat: # <<<<<<<<<<<<<< + * PG_XFORMAT_OBJECT = 1 + * PG_XFORMAT_TUPLE = 2 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat { + __pyx_e_7asyncpg_8protocol_8protocol_PG_XFORMAT_OBJECT = 1, + __pyx_e_7asyncpg_8protocol_8protocol_PG_XFORMAT_TUPLE = 2 +}; + +/* "asyncpg/protocol/coreproto.pxd":11 + * + * + * cdef enum ConnectionStatus: # <<<<<<<<<<<<<< + * CONNECTION_OK = 1 + * CONNECTION_BAD = 2 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus { + __pyx_e_7asyncpg_8protocol_8protocol_CONNECTION_OK = 1, + __pyx_e_7asyncpg_8protocol_8protocol_CONNECTION_BAD = 2, + __pyx_e_7asyncpg_8protocol_8protocol_CONNECTION_STARTED = 3 +}; + +/* "asyncpg/protocol/coreproto.pxd":17 + * + * + * cdef enum ProtocolState: # <<<<<<<<<<<<<< + * PROTOCOL_IDLE = 0 + * + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState { + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_IDLE = 0, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_FAILED = 1, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_ERROR_CONSUME = 2, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_CANCELLED = 3, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_TERMINATING = 4, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_AUTH = 10, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_PREPARE = 11, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_BIND_EXECUTE = 12, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_BIND_EXECUTE_MANY = 13, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_CLOSE_STMT_PORTAL = 14, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_SIMPLE_QUERY = 15, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_EXECUTE = 16, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_BIND = 17, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_COPY_OUT = 18, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_COPY_OUT_DATA = 19, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_COPY_OUT_DONE = 20, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_COPY_IN = 21, + __pyx_e_7asyncpg_8protocol_8protocol_PROTOCOL_COPY_IN_DATA = 22 +}; + +/* "asyncpg/protocol/coreproto.pxd":40 + * + * + * cdef enum AuthenticationMessage: # <<<<<<<<<<<<<< + * AUTH_SUCCESSFUL = 0 + * AUTH_REQUIRED_KERBEROS = 2 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage { + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_SUCCESSFUL = 0, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_KERBEROS = 2, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_PASSWORD = 3, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_PASSWORDMD5 = 5, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_SCMCRED = 6, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_GSS = 7, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_GSS_CONTINUE = 8, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_SSPI = 9, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_REQUIRED_SASL = 10, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_SASL_CONTINUE = 11, + __pyx_e_7asyncpg_8protocol_8protocol_AUTH_SASL_FINAL = 12 +}; + +/* "asyncpg/protocol/coreproto.pxd":64 + * + * + * cdef enum ResultType: # <<<<<<<<<<<<<< + * RESULT_OK = 1 + * RESULT_FAILED = 2 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType { + __pyx_e_7asyncpg_8protocol_8protocol_RESULT_OK = 1, + __pyx_e_7asyncpg_8protocol_8protocol_RESULT_FAILED = 2 +}; + +/* "asyncpg/protocol/coreproto.pxd":69 + * + * + * cdef enum TransactionStatus: # <<<<<<<<<<<<<< + * PQTRANS_IDLE = 0 # connection idle + * PQTRANS_ACTIVE = 1 # command in progress + */ +enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus { + __pyx_e_7asyncpg_8protocol_8protocol_PQTRANS_IDLE = 0, + __pyx_e_7asyncpg_8protocol_8protocol_PQTRANS_ACTIVE = 1, + __pyx_e_7asyncpg_8protocol_8protocol_PQTRANS_INTRANS = 2, + __pyx_e_7asyncpg_8protocol_8protocol_PQTRANS_INERROR = 3, + __pyx_e_7asyncpg_8protocol_8protocol_PQTRANS_UNKNOWN = 4 +}; + +/* "asyncpg/protocol/codecs/base.pxd":8 + * + * + * ctypedef object (*encode_func)(ConnectionSettings settings, # <<<<<<<<<<<<<< + * WriteBuffer buf, + * object obj) + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_encode_func)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + +/* "asyncpg/protocol/codecs/base.pxd":12 + * object obj) + * + * ctypedef object (*decode_func)(ConnectionSettings settings, # <<<<<<<<<<<<<< + * FRBuffer *buf) + * + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_decode_func)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + +/* "asyncpg/protocol/codecs/base.pxd":15 + * FRBuffer *buf) + * + * ctypedef object (*codec_encode_func)(Codec codec, # <<<<<<<<<<<<<< + * ConnectionSettings settings, + * WriteBuffer buf, + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_codec_encode_func)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + +/* "asyncpg/protocol/codecs/base.pxd":20 + * object obj) + * + * ctypedef object (*codec_decode_func)(Codec codec, # <<<<<<<<<<<<<< + * ConnectionSettings settings, + * FRBuffer *buf) + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_codec_decode_func)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + +/* "asyncpg/protocol/settings.pxd":28 + * cpdef inline set_builtin_type_codec( + * self, typeoid, typename, typeschema, typekind, alias_to, format) + * cpdef inline Codec get_data_codec( # <<<<<<<<<<<<<< + * self, uint32_t oid, ServerDataFormat format=*) + */ +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec { + int __pyx_n; + enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat format; +}; + +/* "asyncpg/protocol/coreproto.pxd":77 + * + * + * ctypedef object (*decode_row_method)(object, const char*, ssize_t) # <<<<<<<<<<<<<< + * + * + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_decode_row_method)(PyObject *, char const *, Py_ssize_t); + +/* "asyncpg/protocol/codecs/array.pyx":667 + * + * + * cdef enum _ArrayParseState: # <<<<<<<<<<<<<< + * APS_START = 1 + * APS_STRIDE_STARTED = 2 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol__ArrayParseState { + __pyx_e_7asyncpg_8protocol_8protocol_APS_START = 1, + __pyx_e_7asyncpg_8protocol_8protocol_APS_STRIDE_STARTED = 2, + __pyx_e_7asyncpg_8protocol_8protocol_APS_STRIDE_DONE = 3, + __pyx_e_7asyncpg_8protocol_8protocol_APS_STRIDE_DELIMITED = 4, + __pyx_e_7asyncpg_8protocol_8protocol_APS_ELEM_STARTED = 5, + __pyx_e_7asyncpg_8protocol_8protocol_APS_ELEM_DELIMITED = 6 +}; + +/* "asyncpg/protocol/codecs/range.pyx":18 + * + * + * cdef enum _RangeArgumentType: # <<<<<<<<<<<<<< + * _RANGE_ARGUMENT_INVALID = 0 + * _RANGE_ARGUMENT_TUPLE = 1 + */ +enum __pyx_t_7asyncpg_8protocol_8protocol__RangeArgumentType { + __pyx_e_7asyncpg_8protocol_8protocol__RANGE_ARGUMENT_INVALID = 0, + __pyx_e_7asyncpg_8protocol_8protocol__RANGE_ARGUMENT_TUPLE = 1, + __pyx_e_7asyncpg_8protocol_8protocol__RANGE_ARGUMENT_RANGE = 2 +}; + +/* "asyncpg/protocol/codecs/base.pyx":726 + * + * + * cdef inline Codec get_core_codec( # <<<<<<<<<<<<<< + * uint32_t oid, ServerDataFormat format, + * ClientExchangeFormat xformat=PG_XFORMAT_OBJECT): + */ +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_get_core_codec { + int __pyx_n; + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat xformat; +}; + +/* "asyncpg/protocol/codecs/base.pyx":745 + * + * + * cdef inline Codec get_any_core_codec( # <<<<<<<<<<<<<< + * uint32_t oid, ServerDataFormat format, + * ClientExchangeFormat xformat=PG_XFORMAT_OBJECT): + */ +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_get_any_core_codec { + int __pyx_n; + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat xformat; +}; + +/* "asyncpg/protocol/codecs/base.pyx":766 + * + * + * cdef register_core_codec(uint32_t oid, # <<<<<<<<<<<<<< + * encode_func encode, + * decode_func decode, + */ +struct __pyx_opt_args_7asyncpg_8protocol_8protocol_register_core_codec { + int __pyx_n; + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat xformat; +}; + +/* "asyncpg/protocol/codecs/array.pyx":21 + * + * + * ctypedef object (*encode_func_ex)(ConnectionSettings settings, # <<<<<<<<<<<<<< + * WriteBuffer buf, + * object obj, + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, void const *); + +/* "asyncpg/protocol/codecs/array.pyx":27 + * + * + * ctypedef object (*decode_func_ex)(ConnectionSettings settings, # <<<<<<<<<<<<<< + * FRBuffer *buf, + * const void *arg) + */ +typedef PyObject *(*__pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, void const *); + +/* "asyncpg/pgproto/buffer.pxd":8 + * + * + * cdef class WriteBuffer: # <<<<<<<<<<<<<< + * cdef: + * # Preallocated small buffer + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_vtab; + int _smallbuf_inuse; + char _smallbuf[0x400]; + char *_buf; + Py_ssize_t _size; + Py_ssize_t _length; + int _view_count; + int _message_mode; +}; + + +/* "asyncpg/pgproto/buffer.pxd":66 + * + * + * cdef class ReadBuffer: # <<<<<<<<<<<<<< + * cdef: + * # A deque of buffers (bytes objects) + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_vtab; + PyObject *_bufs; + PyObject *_bufs_append; + PyObject *_bufs_popleft; + PyObject *_buf0; + PyObject *_buf0_prev; + int32_t _bufs_len; + Py_ssize_t _pos0; + Py_ssize_t _len0; + Py_ssize_t _length; + char _current_message_type; + int32_t _current_message_len; + Py_ssize_t _current_message_len_unread; + int _current_message_ready; +}; + + +/* "asyncpg/pgproto/codecs/__init__.pxd":8 + * + * + * cdef class CodecContext: # <<<<<<<<<<<<<< + * + * cpdef get_text_codec(self) + */ +struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_vtab; +}; + + +/* "asyncpg/protocol/codecs/base.pxd":45 + * + * + * cdef class Codec: # <<<<<<<<<<<<<< + * cdef: + * uint32_t oid + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_Codec *__pyx_vtab; + uint32_t oid; + PyObject *name; + PyObject *schema; + PyObject *kind; + enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType type; + enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat format; + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat xformat; + __pyx_t_7asyncpg_8protocol_8protocol_encode_func c_encoder; + __pyx_t_7asyncpg_8protocol_8protocol_decode_func c_decoder; + PyObject *py_encoder; + PyObject *py_decoder; + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *element_codec; + Py_UCS4 element_delimiter; + PyObject *element_type_oids; + PyObject *element_names; + PyObject *record_desc; + PyObject *element_codecs; + __pyx_t_7asyncpg_8protocol_8protocol_codec_encode_func encoder; + __pyx_t_7asyncpg_8protocol_8protocol_codec_decode_func decoder; +}; + + +/* "asyncpg/protocol/codecs/base.pxd":164 + * + * + * cdef class DataCodecConfig: # <<<<<<<<<<<<<< + * cdef: + * dict _derived_type_codecs + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_vtab; + PyObject *_derived_type_codecs; + PyObject *_custom_type_codecs; +}; + + +/* "asyncpg/protocol/settings.pxd":8 + * + * + * cdef class ConnectionSettings(pgproto.CodecContext): # <<<<<<<<<<<<<< + * cdef: + * str _encoding + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings { + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext __pyx_base; + PyObject *_encoding; + PyObject *_codec; + PyObject *_settings; + int _is_utf8; + struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *_data_codecs; +}; + + +/* "asyncpg/protocol/scram.pxd":8 + * + * + * cdef class SCRAMAuthentication: # <<<<<<<<<<<<<< + * cdef: + * readonly bytes authentication_method + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_vtab; + PyObject *authentication_method; + PyObject *authorization_message; + PyObject *client_channel_binding; + PyObject *client_first_message_bare; + PyObject *client_nonce; + PyObject *client_proof; + PyObject *password_salt; + int password_iterations; + PyObject *server_first_message; + PyObject *server_key; + PyObject *server_nonce; +}; + + +/* "asyncpg/protocol/coreproto.pxd":80 + * + * + * cdef class CoreProtocol: # <<<<<<<<<<<<<< + * cdef: + * ReadBuffer buffer + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_vtab; + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *buffer; + int _skip_discard; + int _discard_data; + PyObject *_execute_iter; + PyObject *_execute_portal_name; + PyObject *_execute_stmt_name; + enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus con_status; + enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState state; + enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus xact_status; + PyObject *encoding; + PyObject *transport; + PyObject *con_params; + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *scram; + int32_t backend_pid; + int32_t backend_secret; + enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType result_type; + PyObject *result; + PyObject *result_param_desc; + PyObject *result_row_desc; + PyObject *result_status_msg; + int result_execute_completed; +}; + + +/* "asyncpg/protocol/prepared_stmt.pxd":8 + * + * + * cdef class PreparedStatementState: # <<<<<<<<<<<<<< + * cdef: + * readonly str name + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState { + PyObject_HEAD + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_vtab; + PyObject *name; + PyObject *query; + int closed; + int refs; + PyObject *row_desc; + PyObject *parameters_desc; + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *settings; + int16_t args_num; + int have_text_args; + PyObject *args_codecs; + int16_t cols_num; + PyObject *cols_desc; + int have_text_cols; + PyObject *rows_codecs; +}; + + +/* "asyncpg/protocol/protocol.pxd":30 + * + * + * cdef class BaseProtocol(CoreProtocol): # <<<<<<<<<<<<<< + * + * cdef: + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol { + struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol __pyx_base; + PyObject *loop; + PyObject *address; + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *settings; + PyObject *cancel_sent_waiter; + PyObject *cancel_waiter; + PyObject *waiter; + int return_extra; + PyObject *create_future; + PyObject *timeout_handle; + PyObject *timeout_callback; + PyObject *completed_callback; + PyObject *conref; + int is_reading; + PyObject *last_query; + int writing_paused; + int closing; + uint64_t queries_count; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *statement; +}; + + +/* "asyncpg/protocol/scram.pyx":193 + * verify_server_signature.digest()) + * + * cdef _bytes_xor(self, bytes a, bytes b): # <<<<<<<<<<<<<< + * """XOR two bytestrings together""" + * return bytes(a_i ^ b_i for a_i, b_i in zip(a, b)) + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor { + PyObject_HEAD + PyObject *__pyx_v_a; + PyObject *__pyx_v_b; +}; + + +/* "asyncpg/protocol/scram.pyx":195 + * cdef _bytes_xor(self, bytes a, bytes b): + * """XOR two bytestrings together""" + * return bytes(a_i ^ b_i for a_i, b_i in zip(a, b)) # <<<<<<<<<<<<<< + * + * cdef _generate_client_nonce(self, int num_bytes): + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor *__pyx_outer_scope; + PyObject *__pyx_v_a_i; + PyObject *__pyx_v_b_i; + PyObject *__pyx_t_0; + Py_ssize_t __pyx_t_1; + PyObject *(*__pyx_t_2)(PyObject *); +}; + + +/* "asyncpg/protocol/scram.pyx":263 + * return u + * + * cdef _normalize_password(self, str original_password): # <<<<<<<<<<<<<< + * """Normalize the password using the SASLprep from RFC4013""" + * cdef: + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password { + PyObject_HEAD + PyObject *__pyx_v_c; + PyObject *__pyx_v_normalized_password; + PyObject *__pyx_v_normalized_password_tuple; + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self; +}; + + +/* "asyncpg/protocol/scram.pyx":294 + * # Table B.1 -- "Commonly mapped to nothing" + * normalized_password = u"".join( + * ' ' if stringprep.in_table_c12(c) else c # <<<<<<<<<<<<<< + * for c in tuple(normalized_password) if not stringprep.in_table_b1(c) + * ) + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *__pyx_outer_scope; + PyObject *__pyx_v_c; +}; + + +/* "asyncpg/protocol/scram.pyx":320 + * for c in normalized_password_tuple: + * if any( + * in_prohibited_table(c) # <<<<<<<<<<<<<< + * for in_prohibited_table in self.SASLPREP_PROHIBITED + * ): + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *__pyx_outer_scope; + PyObject *__pyx_v_in_prohibited_table; +}; + + +/* "asyncpg/protocol/scram.pyx":334 + * # character must be the first and last character of the string + * # RandALCat characters are found in table D.1, whereas LCat are in D.2 + * if any(stringprep.in_table_d1(c) for c in normalized_password_tuple): # <<<<<<<<<<<<<< + * # if the first character or the last character are not in D.1, + * # return the original password + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *__pyx_outer_scope; + PyObject *__pyx_v_c; +}; + + +/* "asyncpg/protocol/scram.pyx":343 + * # if any characters are in D.2, use the original password + * if any( + * stringprep.in_table_d2(c) for c in normalized_password_tuple # <<<<<<<<<<<<<< + * ): + * return original_password + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *__pyx_outer_scope; + PyObject *__pyx_v_c; +}; + + +/* "asyncpg/protocol/protocol.pyx":141 + * + * @cython.iterable_coroutine + * async def prepare(self, stmt_name, query, timeout, # <<<<<<<<<<<<<< + * PreparedStatementState state=None): + * if self.cancel_waiter is not None: + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare { + PyObject_HEAD + PyObject *__pyx_v_ex; + PyObject *__pyx_v_query; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_stmt_name; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":166 + * + * @cython.iterable_coroutine + * async def bind_execute(self, PreparedStatementState state, args, # <<<<<<<<<<<<<< + * str portal_name, int limit, return_extra, + * timeout): + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute { + PyObject_HEAD + PyObject *__pyx_v_args; + PyObject *__pyx_v_args_buf; + PyObject *__pyx_v_ex; + int __pyx_v_limit; + PyObject *__pyx_v_portal_name; + PyObject *__pyx_v_return_extra; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":199 + * + * @cython.iterable_coroutine + * async def bind_execute_many(self, PreparedStatementState state, args, # <<<<<<<<<<<<<< + * str portal_name, timeout): + * + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many { + PyObject_HEAD + PyObject *__pyx_v_arg_bufs; + PyObject *__pyx_v_args; + PyObject *__pyx_v_data_gen; + PyObject *__pyx_v_ex; + PyObject *__pyx_v_genexpr; + PyObject *__pyx_v_portal_name; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":214 + * # this generator expression to keep the memory pressure under + * # control. + * data_gen = (state._encode_bind_msg(b) for b in args) # <<<<<<<<<<<<<< + * arg_bufs = iter(data_gen) + * + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *__pyx_outer_scope; + PyObject *__pyx_v_b; + PyObject *__pyx_t_0; + Py_ssize_t __pyx_t_1; + PyObject *(*__pyx_t_2)(PyObject *); +}; + + +/* "asyncpg/protocol/protocol.pyx":235 + * + * @cython.iterable_coroutine + * async def bind(self, PreparedStatementState state, args, # <<<<<<<<<<<<<< + * str portal_name, timeout): + * + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind { + PyObject_HEAD + PyObject *__pyx_v_args; + PyObject *__pyx_v_args_buf; + PyObject *__pyx_v_ex; + PyObject *__pyx_v_portal_name; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":264 + * + * @cython.iterable_coroutine + * async def execute(self, PreparedStatementState state, # <<<<<<<<<<<<<< + * str portal_name, int limit, return_extra, + * timeout): + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute { + PyObject_HEAD + PyObject *__pyx_v_ex; + int __pyx_v_limit; + PyObject *__pyx_v_portal_name; + PyObject *__pyx_v_return_extra; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":294 + * + * @cython.iterable_coroutine + * async def query(self, query, timeout): # <<<<<<<<<<<<<< + * if self.cancel_waiter is not None: + * await self.cancel_waiter + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query { + PyObject_HEAD + PyObject *__pyx_v_ex; + PyObject *__pyx_v_query; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":319 + * + * @cython.iterable_coroutine + * async def copy_out(self, copy_stmt, sink, timeout): # <<<<<<<<<<<<<< + * if self.cancel_waiter is not None: + * await self.cancel_waiter + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out { + PyObject_HEAD + PyObject *__pyx_v_buffer; + PyObject *__pyx_v_copy_stmt; + PyObject *__pyx_v_done; + PyObject *__pyx_v_ex; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + PyObject *__pyx_v_sink; + PyObject *__pyx_v_status_msg; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_timer; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; + PyObject *__pyx_t_6; +}; + + +/* "asyncpg/protocol/protocol.pyx":373 + * + * @cython.iterable_coroutine + * async def copy_in(self, copy_stmt, reader, data, # <<<<<<<<<<<<<< + * records, PreparedStatementState record_stmt, timeout): + * cdef: + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in { + PyObject_HEAD + PyObject *__pyx_v_aiter; + PyObject *__pyx_v_chunk; + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_codec; + PyObject *__pyx_v_codecs; + PyObject *__pyx_v_copy_stmt; + PyObject *__pyx_v_data; + PyObject *__pyx_v_e; + Py_ssize_t __pyx_v_i; + PyObject *__pyx_v_item; + PyObject *__pyx_v_iterator; + Py_ssize_t __pyx_v_num_cols; + PyObject *__pyx_v_reader; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_record_stmt; + PyObject *__pyx_v_records; + PyObject *__pyx_v_row; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings; + PyObject *__pyx_v_status_msg; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_timer; + PyObject *__pyx_v_waiter; + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_wbuf; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + Py_ssize_t __pyx_t_4; + PyObject *(*__pyx_t_5)(PyObject *); + PyObject *__pyx_t_6; + PyObject *__pyx_t_7; + PyObject *__pyx_t_8; + PyObject *__pyx_t_9; + PyObject *__pyx_t_10; + PyObject *__pyx_t_11; +}; + + +/* "asyncpg/protocol/protocol.pyx":491 + * + * @cython.iterable_coroutine + * async def close_statement(self, PreparedStatementState state, timeout): # <<<<<<<<<<<<<< + * if self.cancel_waiter is not None: + * await self.cancel_waiter + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement { + PyObject_HEAD + PyObject *__pyx_v_ex; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state; + PyObject *__pyx_v_timeout; + PyObject *__pyx_v_waiter; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; + PyObject *__pyx_t_3; + PyObject *__pyx_t_4; + PyObject *__pyx_t_5; +}; + + +/* "asyncpg/protocol/protocol.pyx":531 + * + * @cython.iterable_coroutine + * async def close(self, timeout): # <<<<<<<<<<<<<< + * if self.closing: + * return + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; + PyObject *__pyx_v_timeout; + PyObject *__pyx_t_0; + PyObject *__pyx_t_1; + PyObject *__pyx_t_2; +}; + + +/* "asyncpg/protocol/protocol.pyx":674 + * + * @cython.iterable_coroutine + * async def _wait_for_cancellation(self): # <<<<<<<<<<<<<< + * if self.cancel_sent_waiter is not None: + * await self.cancel_sent_waiter + */ +struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation { + PyObject_HEAD + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self; +}; + + + +/* "asyncpg/pgproto/buffer.pxd":8 + * + * + * cdef class WriteBuffer: # <<<<<<<<<<<<<< + * cdef: + * # Preallocated small buffer + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer { + PyObject *(*len)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_len_prefixed_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*_check_readonly)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*_ensure_alloced)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); + PyObject *(*_reallocate)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, Py_ssize_t); + PyObject *(*start_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); + PyObject *(*end_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_buffer)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_byte)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char); + PyObject *(*write_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_len_prefixed_buffer)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*write_len_prefixed_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_bytestring)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*write_str)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, PyObject *); + PyObject *(*write_cstr)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char const *, Py_ssize_t); + PyObject *(*write_int16)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int16_t); + PyObject *(*write_int32)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); + PyObject *(*write_int64)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int64_t); + PyObject *(*write_float)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, float); + PyObject *(*write_double)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, double); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *(*new_message)(char); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *(*new)(void); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_WriteBuffer; +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + + +/* "asyncpg/pgproto/buffer.pxd":66 + * + * + * cdef class ReadBuffer: # <<<<<<<<<<<<<< + * cdef: + * # A deque of buffers (bytes objects) + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer { + PyObject *(*len)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char (*get_message_type)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*get_message_length)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*feed_data)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, PyObject *); + PyObject *(*_ensure_first_buf)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*_switch_to_next_buf)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char (*read_byte)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char const *(*_try_read_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*_read_into)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char *, Py_ssize_t); + PyObject *(*_read_and_discard)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*read_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t); + PyObject *(*read_len_prefixed_bytes)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_len_prefixed_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_uuid)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int64_t (*read_int64)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*read_int32)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int16_t (*read_int16)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*read_null_str)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*take_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + int32_t (*take_message_type)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); + int32_t (*put_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + char const *(*try_consume_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, Py_ssize_t *); + PyObject *(*consume_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*discard_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*redirect_messages)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, char, struct __pyx_opt_args_7asyncpg_7pgproto_7pgproto_10ReadBuffer_redirect_messages *__pyx_optional_args); + PyObject *(*consume_messages)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *, char); + PyObject *(*finish_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + PyObject *(*_finish_message)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *(*new_message_parser)(PyObject *); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_ReadBuffer; +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_length(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *); + + +/* "asyncpg/pgproto/codecs/__init__.pxd":8 + * + * + * cdef class CodecContext: # <<<<<<<<<<<<<< + * + * cpdef get_text_codec(self) + */ + +struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext { + PyObject *(*get_text_codec)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, int __pyx_skip_dispatch); + PyObject *(*is_encoding_utf8)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *); +}; +static struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext *__pyx_vtabptr_7asyncpg_7pgproto_7pgproto_CodecContext; + + +/* "asyncpg/protocol/codecs/base.pyx":19 + * + * @cython.final + * cdef class Codec: # <<<<<<<<<<<<<< + * + * def __cinit__(self, uint32_t oid): + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_Codec { + PyObject *(*init)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, PyObject *, PyObject *, PyObject *, enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, PyObject *, PyObject *, PyObject *, Py_UCS4); + PyObject *(*encode_scalar)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*encode_array)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*encode_array_text)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*encode_range)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*encode_composite)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*encode_in_python)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*decode_scalar)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*decode_array)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*decode_array_text)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*decode_range)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*decode_composite)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*decode_in_python)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*encode)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); + PyObject *(*decode)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); + PyObject *(*has_encoder)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); + PyObject *(*has_decoder)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); + PyObject *(*is_binary)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*copy)(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*new_array_codec)(uint32_t, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, Py_UCS4); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*new_range_codec)(uint32_t, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*new_composite_codec)(uint32_t, PyObject *, PyObject *, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, PyObject *, PyObject *, PyObject *); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*new_python_codec)(uint32_t, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_Codec *__pyx_vtabptr_7asyncpg_8protocol_8protocol_Codec; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_init(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, PyObject *, PyObject *, PyObject *, enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, PyObject *, PyObject *, PyObject *, Py_UCS4); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_scalar(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_array(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_array_text(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_range(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_composite(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_in_python(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_scalar(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_array(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_array_text(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_range(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_composite(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_in_python(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_has_encoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_has_decoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_is_binary(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_copy(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_array_codec(uint32_t, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *, Py_UCS4); +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_range_codec(uint32_t, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *); +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_composite_codec(uint32_t, PyObject *, PyObject *, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, PyObject *, PyObject *, PyObject *); +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_python_codec(uint32_t, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat); + + +/* "asyncpg/protocol/codecs/base.pyx":422 + * + * + * cdef class DataCodecConfig: # <<<<<<<<<<<<<< + * def __init__(self, cache_key): + * # Codec instance cache for derived types: + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_DataCodecConfig { + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*get_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *, uint32_t, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*get_any_local_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *, uint32_t); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_vtabptr_7asyncpg_8protocol_8protocol_DataCodecConfig; +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_15DataCodecConfig_get_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *, uint32_t, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat); +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_15DataCodecConfig_get_any_local_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *, uint32_t); + + +/* "asyncpg/protocol/settings.pyx":12 + * + * @cython.final + * cdef class ConnectionSettings(pgproto.CodecContext): # <<<<<<<<<<<<<< + * + * def __cinit__(self, conn_key): + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_ConnectionSettings { + struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext __pyx_base; + PyObject *(*add_setting)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *); + PyObject *(*register_data_types)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, int __pyx_skip_dispatch); + PyObject *(*add_python_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); + PyObject *(*remove_python_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); + PyObject *(*clear_type_cache)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, int __pyx_skip_dispatch); + PyObject *(*set_builtin_type_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); + struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *(*get_data_codec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, uint32_t, int __pyx_skip_dispatch, struct __pyx_opt_args_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec *__pyx_optional_args); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_vtabptr_7asyncpg_8protocol_8protocol_ConnectionSettings; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_add_setting(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_register_data_types(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, int __pyx_skip_dispatch); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_add_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_remove_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_clear_type_cache(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, int __pyx_skip_dispatch); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_set_builtin_type_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int __pyx_skip_dispatch); +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, uint32_t, int __pyx_skip_dispatch, struct __pyx_opt_args_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec *__pyx_optional_args); + + +/* "asyncpg/protocol/scram.pyx":25 + * + * @cython.final + * cdef class SCRAMAuthentication: # <<<<<<<<<<<<<< + * """Contains the protocol for generating and a SCRAM hashed password. + * + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_SCRAMAuthentication { + PyObject *(*create_client_first_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + PyObject *(*create_client_final_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + PyObject *(*parse_server_first_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + PyObject *(*verify_server_final_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + PyObject *(*_bytes_xor)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *, PyObject *); + PyObject *(*_generate_client_nonce)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, int); + PyObject *(*_generate_client_proof)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + PyObject *(*_generate_salted_password)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *, PyObject *, int); + PyObject *(*_normalize_password)(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_vtabptr_7asyncpg_8protocol_8protocol_SCRAMAuthentication; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_create_client_first_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_create_client_final_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_parse_server_first_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_verify_server_final_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__bytes_xor(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_client_nonce(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, int); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_client_proof(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_salted_password(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *, PyObject *, int); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__normalize_password(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *, PyObject *); + + +/* "asyncpg/protocol/coreproto.pyx":14 + * + * + * cdef class CoreProtocol: # <<<<<<<<<<<<<< + * + * def __init__(self, con_params): + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol { + PyObject *(*_process__auth)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__prepare)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__bind_execute)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__bind_execute_many)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__close_stmt_portal)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__simple_query)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__bind)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__copy_out)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__copy_out_data)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__copy_in)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_process__copy_in_data)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char); + PyObject *(*_parse_msg_authentication)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_msg_parameter_status)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_msg_notification)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_msg_backend_key_data)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_msg_ready_for_query)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_data_msgs)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_copy_data_msgs)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_parse_msg_error_response)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_parse_msg_command_complete)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_write_copy_data_msg)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_write_copy_done_msg)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_write_copy_fail_msg)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_auth_password_message_cleartext)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_auth_password_message_md5)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_auth_password_message_sasl_initial)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_auth_password_message_sasl_continue)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_write)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_read_server_messages)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_push_result)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_reset_result)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_set_state)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState); + PyObject *(*_ensure_connected)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *(*_build_bind_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*_connect)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_prepare)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *); + PyObject *(*_send_bind_message)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); + PyObject *(*_bind_execute)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); + PyObject *(*_bind_execute_many)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, PyObject *); + PyObject *(*_bind)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *); + PyObject *(*_execute)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, int32_t); + PyObject *(*_close)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, int); + PyObject *(*_simple_query)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_copy_out)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_copy_in)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_terminate)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_decode_row)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, char const *, Py_ssize_t); + PyObject *(*_on_result)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *); + PyObject *(*_on_notification)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *, PyObject *); + PyObject *(*_on_notice)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); + PyObject *(*_set_server_parameter)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *, PyObject *); + PyObject *(*_on_connection_lost)(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_vtabptr_7asyncpg_8protocol_8protocol_CoreProtocol; + + +/* "asyncpg/protocol/prepared_stmt.pyx":12 + * + * @cython.final + * cdef class PreparedStatementState: # <<<<<<<<<<<<<< + * + * def __cinit__(self, str name, str query, BaseProtocol protocol): + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_PreparedStatementState { + PyObject *(*_encode_bind_msg)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); + PyObject *(*_init_codecs)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, int __pyx_skip_dispatch); + PyObject *(*_ensure_rows_decoder)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *); + PyObject *(*_ensure_args_encoder)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *); + PyObject *(*_set_row_desc)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); + PyObject *(*_set_args_desc)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); + PyObject *(*_decode_row)(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, char const *, Py_ssize_t); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_vtabptr_7asyncpg_8protocol_8protocol_PreparedStatementState; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__encode_bind_msg(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__init_codecs(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, int __pyx_skip_dispatch); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__ensure_rows_decoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__ensure_args_encoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__set_row_desc(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__set_args_desc(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, PyObject *); +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__decode_row(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *, char const *, Py_ssize_t); + + +/* "asyncpg/protocol/protocol.pyx":75 + * + * + * cdef class BaseProtocol(CoreProtocol): # <<<<<<<<<<<<<< + * def __init__(self, addr, connected_fut, con_params, loop): + * # type of `con_params` is `_ConnectionParameters` + */ + +struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_BaseProtocol { + struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol __pyx_base; + PyObject *(*get_connection)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + PyObject *(*_get_timeout_impl)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_check_state)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + PyObject *(*_new_waiter)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_coreproto_error)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + PyObject *(*_on_result__connect)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__prepare)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__bind_and_exec)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__close_stmt_or_portal)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__simple_query)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__bind)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__copy_out)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_on_result__copy_in)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_handle_waiter_on_connection_lost)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); + PyObject *(*_dispatch_result)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + PyObject *(*resume_reading)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + PyObject *(*pause_reading)(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_vtabptr_7asyncpg_8protocol_8protocol_BaseProtocol; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__get_timeout_impl(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol_resume_reading(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol_pause_reading(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *); + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; +#ifdef WITH_THREAD + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + if (acquire_gil) {\ + PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + PyGILState_Release(__pyx_gilstate_save);\ + } else {\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + } +#else + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) +#endif + #define __Pyx_RefNannyFinishContext()\ + __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); 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r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* dict_getitem_default.proto */ +static PyObject* __Pyx_PyDict_GetItemDefault(PyObject* d, PyObject* key, PyObject* default_value); + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* UnpackUnboundCMethod.proto */ +typedef struct { + PyObject *type; + PyObject **method_name; + PyCFunction func; + PyObject *method; + int flag; +} __Pyx_CachedCFunction; + +/* CallUnboundCMethod1.proto */ +static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg); +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg); +#else +#define __Pyx_CallUnboundCMethod1(cfunc, self, arg) __Pyx__CallUnboundCMethod1(cfunc, self, arg) +#endif + +/* CallUnboundCMethod2.proto */ +static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2); +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030600B1 +static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2); +#else +#define __Pyx_CallUnboundCMethod2(cfunc, self, arg1, arg2) __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); 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+#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* IncludeStringH.proto */ +#include + +/* BytesEquals.proto */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); + +/* UnicodeEquals.proto */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* DictGetItem.proto */ +#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY +static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key); +#define __Pyx_PyObject_Dict_GetItem(obj, name)\ + (likely(PyDict_CheckExact(obj)) ?\ + __Pyx_PyDict_GetItem(obj, name) : PyObject_GetItem(obj, name)) +#else +#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key) +#define __Pyx_PyObject_Dict_GetItem(obj, name) PyObject_GetItem(obj, name) +#endif + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* ObjectGetItem.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key); +#else +#define __Pyx_PyObject_GetItem(obj, key) PyObject_GetItem(obj, key) +#endif + +/* ExtTypeTest.proto */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); + +/* SliceObject.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice( + PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** py_start, PyObject** py_stop, PyObject** py_slice, + int has_cstart, int has_cstop, int wraparound); + +/* ListAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_PyList_Append(L,x) PyList_Append(L,x) +#endif + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2)) +#endif + +/* py_dict_pop.proto */ +static CYTHON_INLINE PyObject *__Pyx_PyDict_Pop(PyObject *d, PyObject *key, PyObject *default_value); + +/* PyObjectFormatSimple.proto */ +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + PyObject_Format(s, f)) +#elif PY_MAJOR_VERSION < 3 + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\ + PyObject_Format(s, f)) +#elif CYTHON_USE_TYPE_SLOTS + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_str(s) :\ + likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_str(s) :\ + PyObject_Format(s, f)) +#else + #define __Pyx_PyObject_FormatSimple(s, f) (\ + likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\ + PyObject_Format(s, f)) +#endif + +/* JoinPyUnicode.proto */ +static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength, + Py_UCS4 max_char); + +/* py_dict_clear.proto */ +#define __Pyx_PyDict_Clear(d) (PyDict_Clear(d), 0) + +/* ArgTypeTest.proto */ +#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\ + ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\ + __Pyx__ArgTypeTest(obj, type, name, exact)) +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact); + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* PySequenceContains.proto */ +static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) { + int result = PySequence_Contains(seq, item); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* SwapException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSwap(type, value, tb) __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_SubtractObjC(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceSubtract(op1, op2) : PyNumber_Subtract(op1, op2)) +#endif + +/* None.proto */ +static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname); + +/* WriteUnraisableException.proto */ +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename, + int full_traceback, int nogil); + +/* PyIntBinop.proto */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddCObj(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check); +#else +#define __Pyx_PyInt_AddCObj(op1, op2, intval, inplace, zerodivision_check)\ + (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2)) +#endif + +/* ListCompAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len)) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_ListComp_Append(L,x) PyList_Append(L,x) +#endif + +/* bytes_tailmatch.proto */ +static int __Pyx_PyBytes_SingleTailmatch(PyObject* self, PyObject* arg, + Py_ssize_t start, Py_ssize_t end, int direction); +static int __Pyx_PyBytes_Tailmatch(PyObject* self, PyObject* substr, + Py_ssize_t start, Py_ssize_t end, int direction); + +/* None.proto */ +static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname); + +/* RaiseTooManyValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); + +/* RaiseNeedMoreValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); + +/* IterFinish.proto */ +static CYTHON_INLINE int __Pyx_IterFinish(void); + +/* UnpackItemEndCheck.proto */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); + +/* PyObjectSetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL) +static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value); +#else +#define __Pyx_PyObject_DelAttrStr(o,n) PyObject_DelAttr(o,n) +#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v) +#endif + +/* PyObjectFormatAndDecref.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatSimpleAndDecref(PyObject* s, PyObject* f); +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatAndDecref(PyObject* s, PyObject* f); + +/* BuildPyUnicode.proto */ +static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength, + int prepend_sign, char padding_char); + +/* CIntToPyUnicode.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState value, Py_ssize_t width, char padding_char, char format_char); + +/* IterNext.proto */ +#define __Pyx_PyIter_Next(obj) __Pyx_PyIter_Next2(obj, NULL) +static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject *, PyObject *); + +/* decode_c_string_utf16.proto */ +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 0; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = -1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} + +/* decode_c_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes( + const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)); + +/* decode_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_bytes( + PyObject* string, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + return __Pyx_decode_c_bytes( + PyBytes_AS_STRING(string), PyBytes_GET_SIZE(string), + start, stop, encoding, errors, decode_func); +} + +/* PyObjectGetMethod.proto */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method); + +/* PyObjectCallMethod0.proto */ +static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name); + +/* RaiseNoneIterError.proto */ +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void); + +/* UnpackTupleError.proto */ +static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); + +/* UnpackTuple2.proto */ +#define __Pyx_unpack_tuple2(tuple, value1, value2, is_tuple, has_known_size, decref_tuple)\ + (likely(is_tuple || PyTuple_Check(tuple)) ?\ + (likely(has_known_size || PyTuple_GET_SIZE(tuple) == 2) ?\ + __Pyx_unpack_tuple2_exact(tuple, value1, value2, decref_tuple) :\ + (__Pyx_UnpackTupleError(tuple, 2), -1)) :\ + __Pyx_unpack_tuple2_generic(tuple, value1, value2, has_known_size, decref_tuple)) +static CYTHON_INLINE int __Pyx_unpack_tuple2_exact( + PyObject* tuple, PyObject** value1, PyObject** value2, int decref_tuple); +static int __Pyx_unpack_tuple2_generic( + PyObject* tuple, PyObject** value1, PyObject** value2, int has_known_size, int decref_tuple); + +/* dict_iter.proto */ +static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* dict, int is_dict, PyObject* method_name, + Py_ssize_t* p_orig_length, int* p_is_dict); +static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* dict_or_iter, Py_ssize_t orig_length, Py_ssize_t* ppos, + PyObject** pkey, PyObject** pvalue, PyObject** pitem, int is_dict); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* PyDictContains.proto */ +static CYTHON_INLINE int __Pyx_PyDict_ContainsTF(PyObject* item, PyObject* dict, int eq) { + int result = PyDict_Contains(dict, item); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* FetchCommonType.proto */ +static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type); + +/* PyObjectCallMethod1.proto */ +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg); + +/* CoroutineBase.proto */ +typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *); +#if CYTHON_USE_EXC_INFO_STACK +#define __Pyx_ExcInfoStruct _PyErr_StackItem +#else +typedef struct { + PyObject *exc_type; + PyObject *exc_value; + PyObject *exc_traceback; +} __Pyx_ExcInfoStruct; +#endif +typedef struct { + PyObject_HEAD + __pyx_coroutine_body_t body; + PyObject *closure; + __Pyx_ExcInfoStruct gi_exc_state; + PyObject *gi_weakreflist; + PyObject *classobj; + PyObject *yieldfrom; + PyObject *gi_name; + PyObject *gi_qualname; + PyObject *gi_modulename; + PyObject *gi_code; + int resume_label; + char is_running; +} __pyx_CoroutineObject; +static __pyx_CoroutineObject *__Pyx__Coroutine_New( + PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name); +static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit( + __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name); +static CYTHON_INLINE void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *self); +static int __Pyx_Coroutine_clear(PyObject *self); +static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value); +static PyObject *__Pyx_Coroutine_Close(PyObject *self); +static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args); +#if CYTHON_USE_EXC_INFO_STACK +#define __Pyx_Coroutine_SwapException(self) +#define __Pyx_Coroutine_ResetAndClearException(self) __Pyx_Coroutine_ExceptionClear(&(self)->gi_exc_state) +#else +#define __Pyx_Coroutine_SwapException(self) {\ + __Pyx_ExceptionSwap(&(self)->gi_exc_state.exc_type, &(self)->gi_exc_state.exc_value, &(self)->gi_exc_state.exc_traceback);\ + __Pyx_Coroutine_ResetFrameBackpointer(&(self)->gi_exc_state);\ + } +#define __Pyx_Coroutine_ResetAndClearException(self) {\ + __Pyx_ExceptionReset((self)->gi_exc_state.exc_type, (self)->gi_exc_state.exc_value, (self)->gi_exc_state.exc_traceback);\ + (self)->gi_exc_state.exc_type = (self)->gi_exc_state.exc_value = (self)->gi_exc_state.exc_traceback = NULL;\ + } +#endif +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\ + __Pyx_PyGen__FetchStopIterationValue(__pyx_tstate, pvalue) +#else +#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\ + __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, pvalue) +#endif +static int __Pyx_PyGen__FetchStopIterationValue(PyThreadState *tstate, PyObject **pvalue); +static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* PatchModuleWithCoroutine.proto */ +static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code); + +/* PatchGeneratorABC.proto */ +static int __Pyx_patch_abc(void); + +/* Coroutine.proto */ +#define __Pyx_Coroutine_USED +static PyTypeObject *__pyx_CoroutineType = 0; +static PyTypeObject *__pyx_CoroutineAwaitType = 0; +#define __Pyx_Coroutine_CheckExact(obj) (Py_TYPE(obj) == __pyx_CoroutineType) +#define __Pyx_Coroutine_Check(obj) __Pyx_Coroutine_CheckExact(obj) +#define __Pyx_CoroutineAwait_CheckExact(obj) (Py_TYPE(obj) == __pyx_CoroutineAwaitType) +#define __Pyx_Coroutine_New(body, code, closure, name, qualname, module_name)\ + __Pyx__Coroutine_New(__pyx_CoroutineType, body, code, closure, name, qualname, module_name) +static int __pyx_Coroutine_init(void); +static PyObject *__Pyx__Coroutine_await(PyObject *coroutine); +typedef struct { + PyObject_HEAD + PyObject *coroutine; +} __pyx_CoroutineAwaitObject; +static PyObject *__Pyx_CoroutineAwait_Close(__pyx_CoroutineAwaitObject *self, PyObject *arg); +static PyObject *__Pyx_CoroutineAwait_Throw(__pyx_CoroutineAwaitObject *self, PyObject *args); + +/* GetAwaitIter.proto */ +static CYTHON_INLINE PyObject *__Pyx_Coroutine_GetAwaitableIter(PyObject *o); +static PyObject *__Pyx__Coroutine_GetAwaitableIter(PyObject *o); + +/* CoroutineYieldFrom.proto */ +static CYTHON_INLINE PyObject* __Pyx_Coroutine_Yield_From(__pyx_CoroutineObject *gen, PyObject *source); + +/* ReturnWithStopIteration.proto */ +#define __Pyx_ReturnWithStopIteration(value)\ + if (value == Py_None) PyErr_SetNone(PyExc_StopIteration); else __Pyx__ReturnWithStopIteration(value) +static void __Pyx__ReturnWithStopIteration(PyObject* value); + +/* PyObjectLookupSpecial.proto */ +#if CYTHON_USE_PYTYPE_LOOKUP && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_LookupSpecial(PyObject* obj, PyObject* attr_name) { + PyObject *res; + PyTypeObject *tp = Py_TYPE(obj); +#if PY_MAJOR_VERSION < 3 + if (unlikely(PyInstance_Check(obj))) + return __Pyx_PyObject_GetAttrStr(obj, attr_name); +#endif + res = _PyType_Lookup(tp, attr_name); + if (likely(res)) { + descrgetfunc f = Py_TYPE(res)->tp_descr_get; + if (!f) { + Py_INCREF(res); + } else { + res = f(res, obj, (PyObject *)tp); + } + } else { + PyErr_SetObject(PyExc_AttributeError, attr_name); + } + return res; +} +#else +#define __Pyx_PyObject_LookupSpecial(o,n) __Pyx_PyObject_GetAttrStr(o,n) +#endif + +/* CythonFunctionShared.proto */ +#define __Pyx_CyFunction_USED 1 +#define __Pyx_CYFUNCTION_STATICMETHOD 0x01 +#define __Pyx_CYFUNCTION_CLASSMETHOD 0x02 +#define __Pyx_CYFUNCTION_CCLASS 0x04 +#define __Pyx_CyFunction_GetClosure(f)\ + (((__pyx_CyFunctionObject *) (f))->func_closure) +#define __Pyx_CyFunction_GetClassObj(f)\ + (((__pyx_CyFunctionObject *) (f))->func_classobj) +#define __Pyx_CyFunction_Defaults(type, f)\ + ((type *)(((__pyx_CyFunctionObject *) (f))->defaults)) +#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\ + ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g) +typedef struct { + PyCFunctionObject func; +#if PY_VERSION_HEX < 0x030500A0 + PyObject *func_weakreflist; +#endif + PyObject *func_dict; + PyObject *func_name; + PyObject *func_qualname; + PyObject *func_doc; + PyObject *func_globals; + PyObject *func_code; + PyObject *func_closure; + PyObject *func_classobj; + void *defaults; + int defaults_pyobjects; + size_t defaults_size; // used by FusedFunction for copying defaults + int flags; + PyObject *defaults_tuple; + PyObject *defaults_kwdict; + PyObject *(*defaults_getter)(PyObject *); + PyObject *func_annotations; +} __pyx_CyFunctionObject; +static PyTypeObject *__pyx_CyFunctionType = 0; +#define __Pyx_CyFunction_Check(obj) (__Pyx_TypeCheck(obj, __pyx_CyFunctionType)) +static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml, + int flags, PyObject* qualname, + PyObject *self, + PyObject *module, PyObject *globals, + PyObject* code); +static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m, + size_t size, + int pyobjects); +static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m, + PyObject *tuple); +static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m, + PyObject *dict); +static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m, + PyObject *dict); +static int __pyx_CyFunction_init(void); + +/* CythonFunction.proto */ +static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, + int flags, PyObject* qualname, + PyObject *closure, + PyObject *module, PyObject *globals, + PyObject* code); + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* CallNextTpDealloc.proto */ +static void __Pyx_call_next_tp_dealloc(PyObject* obj, destructor current_tp_dealloc); + +/* CallNextTpTraverse.proto */ +static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse); + +/* CallNextTpClear.proto */ +static void __Pyx_call_next_tp_clear(PyObject* obj, inquiry current_tp_dealloc); + +/* SetVTable.proto */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable); + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* GetVTable.proto */ +static void* __Pyx_GetVtable(PyObject *dict); + +/* PatchInspect.proto */ +static PyObject* __Pyx_patch_inspect(PyObject* module); + +/* PatchAsyncIO.proto */ +static PyObject* __Pyx_patch_asyncio(PyObject* module); + +/* SetNameInClass.proto */ +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 +#define __Pyx_SetNameInClass(ns, name, value)\ + (likely(PyDict_CheckExact(ns)) ? _PyDict_SetItem_KnownHash(ns, name, value, ((PyASCIIObject *) name)->hash) : PyObject_SetItem(ns, name, value)) +#elif CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_SetNameInClass(ns, name, value)\ + (likely(PyDict_CheckExact(ns)) ? PyDict_SetItem(ns, name, value) : PyObject_SetItem(ns, name, value)) +#else +#define __Pyx_SetNameInClass(ns, name, value) PyObject_SetItem(ns, name, value) +#endif + +/* CalculateMetaclass.proto */ +static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases); + +/* Py3ClassCreate.proto */ +static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, PyObject *qualname, + PyObject *mkw, PyObject *modname, PyObject *doc); +static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict, + PyObject *mkw, int calculate_metaclass, int allow_py2_metaclass); + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ResultType(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint64_t(uint64_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_CodecType(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* UnicodeAsUCS4.proto */ +static CYTHON_INLINE Py_UCS4 __Pyx_PyUnicode_AsPy_UCS4(PyObject*); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_ptrdiff_t(ptrdiff_t value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int16_t(int16_t value); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ResultType(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int64_t __Pyx_PyInt_As_int64_t(PyObject *); + +/* ObjectAsUCS4.proto */ +#define __Pyx_PyObject_AsPy_UCS4(x)\ + (likely(PyUnicode_Check(x)) ? __Pyx_PyUnicode_AsPy_UCS4(x) : __Pyx__PyObject_AsPy_UCS4(x)) +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4(PyObject*); + +/* Generator.proto */ +#define __Pyx_Generator_USED +static PyTypeObject *__pyx_GeneratorType = 0; +#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType) +#define __Pyx_Generator_New(body, code, closure, name, qualname, module_name)\ + __Pyx__Coroutine_New(__pyx_GeneratorType, body, code, closure, name, qualname, module_name) +static PyObject *__Pyx_Generator_Next(PyObject *self); +static int __pyx_Generator_init(void); + +/* IterableCoroutine.proto */ +#define __Pyx_IterableCoroutine_USED +static PyTypeObject *__pyx_IterableCoroutineType = 0; +#undef __Pyx_Coroutine_Check +#define __Pyx_Coroutine_Check(obj) (__Pyx_Coroutine_CheckExact(obj) || (Py_TYPE(obj) == __pyx_IterableCoroutineType)) +#define __Pyx_IterableCoroutine_New(body, code, closure, name, qualname, module_name)\ + __Pyx__Coroutine_New(__pyx_IterableCoroutineType, body, code, closure, name, qualname, module_name) +static int __pyx_IterableCoroutine_init(void); + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); + +/* VoidPtrExport.proto */ +static int __Pyx_ExportVoidPtr(PyObject *name, void *p, const char *sig); + +/* FunctionImport.proto */ +static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig); + +/* InitStrings.proto */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); + +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_add_setting(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_val); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_is_encoding_utf8(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_text_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_register_data_types(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_types, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_add_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_encoder, PyObject *__pyx_v_decoder, PyObject *__pyx_v_format, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_remove_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_clear_type_cache(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_set_builtin_type_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_alias_to, PyObject *__pyx_v_format, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, uint32_t __pyx_v_oid, CYTHON_UNUSED int __pyx_skip_dispatch, struct __pyx_opt_args_7asyncpg_8protocol_8protocol_18ConnectionSettings_get_data_codec *__pyx_optional_args); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_init(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_schema, PyObject *__pyx_v_kind, enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType __pyx_v_type, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __pyx_v_format, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat __pyx_v_xformat, __pyx_t_7asyncpg_8protocol_8protocol_encode_func __pyx_v_c_encoder, __pyx_t_7asyncpg_8protocol_8protocol_decode_func __pyx_v_c_decoder, PyObject *__pyx_v_py_encoder, PyObject *__pyx_v_py_decoder, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_element_codec, PyObject *__pyx_v_element_type_oids, PyObject *__pyx_v_element_names, PyObject *__pyx_v_element_codecs, Py_UCS4 __pyx_v_element_delimiter); /* proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_copy(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_scalar(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_array(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_array_text(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_range(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_composite(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode_in_python(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_buf, PyObject *__pyx_v_obj); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_scalar(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_array(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_array_text(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_range(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_composite(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode_in_python(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_settings, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_has_encoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_has_decoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_is_binary(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto*/ +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_array_codec(uint32_t __pyx_v_oid, PyObject *__pyx_v_name, PyObject *__pyx_v_schema, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_element_codec, Py_UCS4 __pyx_v_element_delimiter); /* proto*/ +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_range_codec(uint32_t __pyx_v_oid, PyObject *__pyx_v_name, PyObject *__pyx_v_schema, struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_element_codec); /* proto*/ +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_composite_codec(uint32_t __pyx_v_oid, PyObject *__pyx_v_name, PyObject *__pyx_v_schema, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __pyx_v_format, PyObject *__pyx_v_element_codecs, PyObject *__pyx_v_element_type_oids, PyObject *__pyx_v_element_names); /* proto*/ +static struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_5Codec_new_python_codec(uint32_t __pyx_v_oid, PyObject *__pyx_v_name, PyObject *__pyx_v_schema, PyObject *__pyx_v_kind, PyObject *__pyx_v_encoder, PyObject *__pyx_v_decoder, __pyx_t_7asyncpg_8protocol_8protocol_encode_func __pyx_v_c_encoder, __pyx_t_7asyncpg_8protocol_8protocol_decode_func __pyx_v_c_decoder, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __pyx_v_format, enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat __pyx_v_xformat); /* proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_15DataCodecConfig_get_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, uint32_t __pyx_v_oid, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __pyx_v_format); /* proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_15DataCodecConfig_get_any_local_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, uint32_t __pyx_v_oid); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_create_client_first_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_username); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_create_client_final_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_password); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_parse_server_first_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_server_response); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_verify_server_final_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_server_final_message); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__bytes_xor(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_a, PyObject *__pyx_v_b); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_client_nonce(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, int __pyx_v_num_bytes); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_client_proof(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_password); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__generate_salted_password(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_password, PyObject *__pyx_v_salt, int __pyx_v_iterations); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_19SCRAMAuthentication__normalize_password(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_original_password); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__read_server_messages(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__auth(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__prepare(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__bind_execute(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__bind_execute_many(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__bind(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__close_stmt_portal(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__simple_query(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__copy_out(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__copy_out_data(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__copy_in(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__process__copy_in_data(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, char __pyx_v_mtype); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_command_complete(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_copy_data_msgs(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__write_copy_data_msg(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__write_copy_done_msg(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__write_copy_fail_msg(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_cause); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_data_msgs(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_backend_key_data(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_parameter_status(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_notification(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_authentication(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__auth_password_message_cleartext(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__auth_password_message_md5(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_salt); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__auth_password_message_sasl_initial(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_sasl_auth_methods); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__auth_password_message_sasl_continue(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_server_response); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_ready_for_query(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__parse_msg_error_response(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_is_error); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__push_result(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__reset_result(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__set_state(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState __pyx_v_new_state); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__ensure_connected(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__build_bind_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_stmt_name, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_bind_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__connect(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__prepare(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_stmt_name, PyObject *__pyx_v_query); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__send_bind_message(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_stmt_name, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_bind_data, int32_t __pyx_v_limit); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__bind_execute(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_stmt_name, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_bind_data, int32_t __pyx_v_limit); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__bind_execute_many(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_stmt_name, PyObject *__pyx_v_bind_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__execute(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, int32_t __pyx_v_limit); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__bind(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_stmt_name, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_bind_data); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__close(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_name, int __pyx_v_is_portal); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__simple_query(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_query); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__copy_out(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_copy_stmt); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__copy_in(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_copy_stmt); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__terminate(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__write(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_buf); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__decode_row(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED char const *__pyx_v_buf, CYTHON_UNUSED Py_ssize_t __pyx_v_buf_len); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__set_server_parameter(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_name, CYTHON_UNUSED PyObject *__pyx_v_val); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__on_result(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__on_notice(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_parsed); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__on_notification(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_pid, CYTHON_UNUSED PyObject *__pyx_v_channel, CYTHON_UNUSED PyObject *__pyx_v_payload); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12CoreProtocol__on_connection_lost(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_exc); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__init_codecs(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, CYTHON_UNUSED int __pyx_skip_dispatch); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__encode_bind_msg(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, PyObject *__pyx_v_args); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__ensure_rows_decoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__ensure_args_encoder(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__set_row_desc(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, PyObject *__pyx_v_desc); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__set_args_desc(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, PyObject *__pyx_v_desc); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_22PreparedStatementState__decode_row(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, char const *__pyx_v_cbuf, Py_ssize_t __pyx_v_buf_len); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol_get_connection(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol_resume_reading(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol_pause_reading(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__handle_waiter_on_connection_lost(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_cause); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__set_server_parameter(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_val); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__get_timeout_impl(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_timeout); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__check_state(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__coreproto_error(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__new_waiter(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_timeout); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__connect(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__prepare(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__bind_and_exec(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__bind(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__close_stmt_or_portal(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__simple_query(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__copy_out(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result__copy_in(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_waiter); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__decode_row(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, char const *__pyx_v_buf, Py_ssize_t __pyx_v_buf_len); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__dispatch_result(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_result(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_notice(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_parsed); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_notification(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_pid, PyObject *__pyx_v_channel, PyObject *__pyx_v_payload); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__on_connection_lost(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_exc); /* proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_12BaseProtocol__write(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_buf); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_11WriteBuffer_write_len_prefixed_utf8(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *__pyx_v_self, PyObject *__pyx_v_s); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_len(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE char __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_type(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ +static CYTHON_INLINE int32_t __pyx_f_7asyncpg_7pgproto_7pgproto_10ReadBuffer_get_message_length(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *__pyx_v_self); /* proto*/ + +/* Module declarations from 'libc.stdint' */ + +/* Module declarations from 'asyncpg.pgproto.debug' */ + +/* Module declarations from 'cython' */ + +/* Module declarations from 'cpython.version' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.type' */ +static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0; + +/* Module declarations from 'libc.string' */ + +/* Module declarations from 'libc.stdio' */ + +/* Module declarations from 'cpython.object' */ + +/* Module declarations from 'cpython.ref' */ + +/* Module declarations from 'cpython.exc' */ + +/* Module declarations from 'cpython.module' */ + +/* Module declarations from 'cpython.mem' */ + +/* Module declarations from 'cpython.tuple' */ + +/* Module declarations from 'cpython.list' */ + +/* Module declarations from 'cpython.sequence' */ + +/* Module declarations from 'cpython.mapping' */ + +/* Module declarations from 'cpython.iterator' */ + +/* Module declarations from 'cpython.number' */ + +/* Module declarations from 'cpython.int' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.bool' */ +static PyTypeObject *__pyx_ptype_7cpython_4bool_bool = 0; + +/* Module declarations from 'cpython.long' */ + +/* Module declarations from 'cpython.float' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.complex' */ +static PyTypeObject *__pyx_ptype_7cpython_7complex_complex = 0; + +/* Module declarations from 'cpython.string' */ + +/* Module declarations from 'cpython.unicode' */ + +/* Module declarations from 'cpython.dict' */ + +/* Module declarations from 'cpython.instance' */ + +/* Module declarations from 'cpython.function' */ + +/* Module declarations from 'cpython.method' */ + +/* Module declarations from 'cpython.weakref' */ + +/* Module declarations from 'cpython.getargs' */ + +/* Module declarations from 'cpython.pythread' */ + +/* Module declarations from 'cpython.pystate' */ + +/* Module declarations from 'cpython.cobject' */ + +/* Module declarations from 'cpython.oldbuffer' */ + +/* Module declarations from 'cpython.set' */ + +/* Module declarations from 'cpython.buffer' */ + +/* Module declarations from 'cpython.bytes' */ + +/* Module declarations from 'cpython.pycapsule' */ + +/* Module declarations from 'cpython' */ + +/* Module declarations from 'asyncpg.pgproto.pgproto' */ +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_WriteBuffer = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_ReadBuffer = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext = 0; +static CYTHON_INLINE Py_ssize_t __pyx_f_7asyncpg_7pgproto_7pgproto_frb_get_len(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static CYTHON_INLINE void __pyx_f_7asyncpg_7pgproto_7pgproto_frb_set_len(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static CYTHON_INLINE void __pyx_f_7asyncpg_7pgproto_7pgproto_frb_init(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, char const *, Py_ssize_t); /*proto*/ +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_read(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static CYTHON_INLINE char const *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_read_all(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static CYTHON_INLINE struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *__pyx_f_7asyncpg_7pgproto_7pgproto_frb_slice_from(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_frb_check)(struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, Py_ssize_t); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_date_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_date_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_date_encode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_date_decode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamp_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamp_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamp_encode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamp_decode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamptz_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timestamptz_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_time_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_time_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_time_encode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_time_decode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timetz_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timetz_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timetz_encode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_timetz_decode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_interval_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_interval_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_interval_encode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_interval_decode_tuple)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bits_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bits_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bool_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bool_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_box_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_box_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_line_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_line_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_lseg_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_lseg_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_point_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_point_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_path_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_path_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_poly_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_poly_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_circle_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_circle_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_hstore_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_hstore_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int2_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int2_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int4_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int4_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_uint4_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_uint4_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int8_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_int8_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_float4_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_float4_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_float8_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_float8_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_jsonb_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_jsonb_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_as_pg_string_and_size)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, PyObject *, char **, Py_ssize_t *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_text_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_text_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bytea_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_bytea_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_uuid_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_uuid_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_numeric_encode_text)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_numeric_decode_text)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_numeric_encode_binary)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_numeric_decode_binary)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_void_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_void_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_tid_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_tid_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_cidr_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_cidr_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_inet_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_inet_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_txid_snapshot_encode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *(*__pyx_f_7asyncpg_7pgproto_7pgproto_txid_snapshot_decode)(struct __pyx_obj_7asyncpg_7pgproto_7pgproto_CodecContext *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ + +/* Module declarations from 'asyncpg.pgproto' */ + +/* Module declarations from 'asyncpg.protocol' */ + +/* Module declarations from 'asyncpg.protocol.cpythonx' */ + +/* Module declarations from 'asyncpg.protocol.record' */ + +/* Module declarations from 'asyncpg.pgproto.hton' */ + +/* Module declarations from 'asyncpg.protocol.protocol' */ +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_Codec = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_DataCodecConfig = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_ConnectionSettings = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_SCRAMAuthentication = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_CoreProtocol = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_PreparedStatementState = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol_BaseProtocol = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close = 0; +static PyTypeObject *__pyx_ptype_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation = 0; +static PyObject *__pyx_v_7asyncpg_8protocol_8protocol_ARRAY_TYPES = 0; +static PyObject *__pyx_7genexpr__pyx_v_7asyncpg_8protocol_8protocol_k; +static PyObject *__pyx_7genexpr__pyx_v_7asyncpg_8protocol_8protocol_v; +static PyObject *__pyx_v_7asyncpg_8protocol_8protocol_ENCODINGS_MAP = 0; +static void *__pyx_v_7asyncpg_8protocol_8protocol_binary_codec_map[((0x1000 + 1) * 2)]; +static void *__pyx_v_7asyncpg_8protocol_8protocol_text_codec_map[((0x1000 + 1) * 2)]; +static PyObject *__pyx_v_7asyncpg_8protocol_8protocol_EXTRA_CODECS = 0; +static Py_UCS4 *__pyx_v_7asyncpg_8protocol_8protocol_APG_NULL; +static PyObject *__pyx_v_7asyncpg_8protocol_8protocol_SYNC_MESSAGE = 0; +static PyObject *__pyx_v_7asyncpg_8protocol_8protocol_FLUSH_MESSAGE = 0; +static PyObject *__pyx_8genexpr1__pyx_v_7asyncpg_8protocol_8protocol_k; +static PyObject *__pyx_8genexpr1__pyx_v_7asyncpg_8protocol_8protocol_v; +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_get_python_encoding(PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_codec_encode_func_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_codec_decode_func_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, void const *); /*proto*/ +static uint32_t __pyx_f_7asyncpg_8protocol_8protocol_pylong_as_oid(PyObject *); /*proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_get_core_codec(uint32_t, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, struct __pyx_opt_args_7asyncpg_8protocol_8protocol_get_core_codec *__pyx_optional_args); /*proto*/ +static CYTHON_INLINE int __pyx_f_7asyncpg_8protocol_8protocol_has_core_codec(uint32_t); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_register_core_codec(uint32_t, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, struct __pyx_opt_args_7asyncpg_8protocol_8protocol_register_core_codec *__pyx_optional_args); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_register_extra_codec(PyObject *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func, __pyx_t_7asyncpg_8protocol_8protocol_decode_func, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat); /*proto*/ +static CYTHON_INLINE struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_f_7asyncpg_8protocol_8protocol_get_extra_codec(PyObject *, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat); /*proto*/ +static CYTHON_INLINE uint32_t __pyx_f_7asyncpg_8protocol_8protocol__apg_tolower(uint32_t); /*proto*/ +static int __pyx_f_7asyncpg_8protocol_8protocol_apg_strcasecmp(Py_UCS4 const *, Py_UCS4 const *); /*proto*/ +static int __pyx_f_7asyncpg_8protocol_8protocol_apg_strcasecmp_char(char const *, char const *); /*proto*/ +static CYTHON_INLINE int __pyx_f_7asyncpg_8protocol_8protocol_apg_ascii_isspace(Py_UCS4); /*proto*/ +static Py_UCS4 *__pyx_f_7asyncpg_8protocol_8protocol_apg_parse_int32(Py_UCS4 *, int32_t *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_bits_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_bytea_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_datetime_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_float_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_geometry_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_hstore_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_json_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_int_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_pseudo_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_text_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_tid_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_txid_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_tsearch_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_uuid_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_numeric_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_network_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_monetary_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_all_pgproto_codecs(void); /*proto*/ +static CYTHON_INLINE int __pyx_f_7asyncpg_8protocol_8protocol__is_trivial_container(PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol__is_array_iterable(PyObject *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol__is_sub_array_iterable(PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__get_array_shape(PyObject *, int32_t *, int32_t *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__write_array_data(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, int32_t, int32_t, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex, void const *); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_array_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, uint32_t, __pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__write_textarray_data(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, PyObject *, int32_t, int32_t, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex, void const *, Py_UCS4); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_textarray_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, __pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex, void const *, Py_UCS4); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_array_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__nested_array_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex, void const *, int32_t, int32_t *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_textarray_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex, void const *, Py_UCS4); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__textarray_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, Py_UCS4 *, __pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex, void const *, Py_UCS4); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__UnexpectedCharacter(Py_UCS4 const *, Py_UCS4 const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__infer_array_dims(Py_UCS4 const *, Py_UCS4, int32_t *, int32_t *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_uint4_encode_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_uint4_decode_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_arrayoid_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_arrayoid_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_text_encode_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_text_decode_ex(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_arraytext_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_arraytext_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_anyarray_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_array_codecs(void); /*proto*/ +static CYTHON_INLINE int __pyx_f_7asyncpg_8protocol_8protocol__range_has_lbound(uint8_t); /*proto*/ +static CYTHON_INLINE int __pyx_f_7asyncpg_8protocol_8protocol__range_has_ubound(uint8_t); /*proto*/ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol__RangeArgumentType __pyx_f_7asyncpg_8protocol_8protocol__range_type(PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_range_encode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, PyObject *, uint32_t, __pyx_t_7asyncpg_8protocol_8protocol_encode_func_ex, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_range_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *, __pyx_t_7asyncpg_8protocol_8protocol_decode_func_ex, void const *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_range_codecs(void); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7asyncpg_8protocol_8protocol_record_encode_frame(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, struct __pyx_obj_7asyncpg_7pgproto_7pgproto_WriteBuffer *, int32_t); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_anonymous_record_decode(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *, struct __pyx_t_7asyncpg_7pgproto_7pgproto_FRBuffer *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol_init_record_codecs(void); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__decode_parameters_desc(PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol__decode_row_desc(PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol___pyx_unpickle_DataCodecConfig__set_state(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol___pyx_unpickle_CoreProtocol__set_state(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7asyncpg_8protocol_8protocol___pyx_unpickle_BaseProtocol__set_state(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *, PyObject *); /*proto*/ +#define __Pyx_MODULE_NAME "asyncpg.protocol.protocol" +extern int __pyx_module_is_main_asyncpg__protocol__protocol; +int __pyx_module_is_main_asyncpg__protocol__protocol = 0; + +/* Implementation of 'asyncpg.protocol.protocol' */ +static PyObject *__pyx_builtin_ImportError; +static PyObject *__pyx_builtin_object; +static PyObject *__pyx_builtin_KeyError; +static PyObject *__pyx_builtin_AttributeError; +static PyObject *__pyx_builtin_TypeError; +static PyObject *__pyx_builtin_NotImplementedError; +static PyObject *__pyx_builtin_range; +static PyObject *__pyx_builtin_ValueError; +static PyObject *__pyx_builtin_OverflowError; +static PyObject *__pyx_builtin_enumerate; +static PyObject *__pyx_builtin_reversed; +static PyObject *__pyx_builtin_any; +static PyObject *__pyx_builtin_IndexError; +static PyObject *__pyx_builtin_zip; +static PyObject *__pyx_builtin_UnicodeEncodeError; +static PyObject *__pyx_builtin_chr; +static PyObject *__pyx_builtin_StopIteration; +static PyObject *__pyx_builtin_AssertionError; +static PyObject *__pyx_builtin_BufferError; +static const char __pyx_k_c[] = "c"; +static const char __pyx_k_d[] = "d"; +static const char __pyx_k_e[] = "e"; +static const char __pyx_k_i[] = "i"; +static const char __pyx_k_n[] = "n,,"; +static const char __pyx_k_p[] = ",p="; +static const char __pyx_k_r[] = "r"; +static const char __pyx_k_s[] = "s=([^,]+),"; +static const char __pyx_k_v[] = "v=([^,]+)"; +static const char __pyx_k_w[] = "w"; +static const char __pyx_k_x[] = "x"; +static const char __pyx_k_y[] = "y"; +static const char __pyx_k_NA[] = "NA"; +static const char __pyx_k__2[] = "_"; +static const char __pyx_k__9[] = "{}[]"; +static const char __pyx_k_et[] = "et"; +static const char __pyx_k_ns[] = "ns"; +static const char __pyx_k_os[] = "os"; +static const char __pyx_k_re[] = "re"; +static const char __pyx_k_tb[] = "tb"; +static const char __pyx_k_to[] = " to "; +static const char __pyx_k__18[] = "\"\""; +static const char __pyx_k__24[] = "\000"; +static const char __pyx_k__32[] = ","; +static const char __pyx_k__33[] = "\000\000\000\001"; +static const char __pyx_k__34[] = " "; +static const char __pyx_k__35[] = ""; +static const char __pyx_k__38[] = "."; +static const char __pyx_k__39[] = ", "; +static const char __pyx_k__40[] = "'{}'"; +static const char __pyx_k__42[] = "..."; +static const char __pyx_k_abc[] = "abc"; +static const char __pyx_k_alt[] = "alt"; +static const char __pyx_k_any[] = "any"; +static const char __pyx_k_big[] = "big"; +static const char __pyx_k_bit[] = "bit"; +static const char __pyx_k_box[] = "box"; +static const char __pyx_k_c_2[] = "c="; +static const char __pyx_k_c_3[] = ",c="; +static const char __pyx_k_chr[] = "chr"; +static const char __pyx_k_cid[] = "cid"; +static const char __pyx_k_doc[] = "__doc__"; +static const char __pyx_k_get[] = "get"; +static const char __pyx_k_i_d[] = "i=(\\d+),?"; +static const char __pyx_k_int[] = "int"; +static const char __pyx_k_md5[] = "md5"; +static const char __pyx_k_msg[] = "msg"; +static const char __pyx_k_n_2[] = "n="; +static const char __pyx_k_n_3[] = "n"; +static const char __pyx_k_new[] = "new"; +static const char __pyx_k_oid[] = "oid"; +static const char __pyx_k_pop[] = "pop"; +static const char __pyx_k_r_2[] = ",r="; +static const char __pyx_k_r_3[] = "r=([^,]+),"; +static const char __pyx_k_rec[] = "rec"; +static const char __pyx_k_ref[] = "ref"; +static const char __pyx_k_s_2[] = "s"; +static const char __pyx_k_set[] = "set"; +static const char __pyx_k_tid[] = "tid"; +static const char __pyx_k_v_2[] = "v"; +static const char __pyx_k_was[] = "was"; +static const char __pyx_k_win[] = "win"; +static const char __pyx_k_xid[] = "xid"; +static const char __pyx_k_xml[] = "xml"; +static const char __pyx_k_zip[] = "zip"; +static const char __pyx_k_NFKC[] = "NFKC"; +static const char __pyx_k_NULL[] = "NULL"; +static const char __pyx_k_Type[] = "Type"; +static const char __pyx_k_addr[] = "addr"; +static const char __pyx_k_args[] = "args"; +static const char __pyx_k_base[] = "_base"; +static const char __pyx_k_bind[] = "bind"; +static const char __pyx_k_bool[] = "bool"; +static const char __pyx_k_char[] = "char"; +static const char __pyx_k_cidr[] = "cidr"; +static const char __pyx_k_data[] = "data"; +static const char __pyx_k_date[] = "date"; +static const char __pyx_k_desc[] = "desc"; +static const char __pyx_k_dict[] = "__dict__"; +static const char __pyx_k_done[] = "done"; +static const char __pyx_k_elem[] = "elem"; +static const char __pyx_k_exit[] = "__exit__"; +static const char __pyx_k_hint[] = "hint"; +static const char __pyx_k_hmac[] = "hmac"; +static const char __pyx_k_inet[] = "inet"; +static const char __pyx_k_init[] = "__init__"; +static const char __pyx_k_int2[] = "int2"; +static const char __pyx_k_int4[] = "int4"; +static const char __pyx_k_int8[] = "int8"; +static const char __pyx_k_json[] = "json"; +static const char __pyx_k_kind[] = "kind"; +static const char __pyx_k_line[] = "line"; +static const char __pyx_k_loop[] = "loop"; +static const char __pyx_k_lseg[] = "lseg"; +static const char __pyx_k_main[] = "__main__"; +static const char __pyx_k_name[] = "name"; +static const char __pyx_k_path[] = "path"; +static const char __pyx_k_real[] = "real"; +static const char __pyx_k_self[] = "self"; +static const char __pyx_k_send[] = "send"; +static const char __pyx_k_sink[] = "sink"; +static const char __pyx_k_sjis[] = "sjis"; +static const char __pyx_k_smgr[] = "smgr"; +static const char __pyx_k_tcvn[] = "tcvn"; +static const char __pyx_k_test[] = "__test__"; +static const char __pyx_k_text[] = "text"; +static const char __pyx_k_time[] = "time"; +static const char __pyx_k_user[] = "user"; +static const char __pyx_k_uuid[] = "uuid"; +static const char __pyx_k_void[] = "void"; +static const char __pyx_k_wait[] = "wait"; +static const char __pyx_k_were[] = "were"; +static const char __pyx_k_Codec[] = "Codec"; +static const char __pyx_k_Event[] = "Event"; +static const char __pyx_k_Range[] = "Range"; +static const char __pyx_k_Sized[] = "Sized"; +static const char __pyx_k_Timer[] = "Timer"; +static const char __pyx_k_abort[] = "abort"; +static const char __pyx_k_aiter[] = "__aiter__"; +static const char __pyx_k_anext[] = "__anext__"; +static const char __pyx_k_array[] = "array"; +static const char __pyx_k_ascii[] = "ascii"; +static const char __pyx_k_await[] = "__await__"; +static const char __pyx_k_bytea[] = "bytea"; +static const char __pyx_k_cause[] = "__cause__"; +static const char __pyx_k_clear[] = "clear"; +static const char __pyx_k_close[] = "close"; +static const char __pyx_k_cp866[] = "cp866"; +static const char __pyx_k_cp874[] = "cp874"; +static const char __pyx_k_cp932[] = "cp932"; +static const char __pyx_k_cp936[] = "cp936"; +static const char __pyx_k_cp949[] = "cp949"; +static const char __pyx_k_cp950[] = "cp950"; +static const char __pyx_k_elems[] = "elems"; +static const char __pyx_k_empty[] = "empty"; +static const char __pyx_k_enter[] = "__enter__"; +static const char __pyx_k_euccn[] = "euccn"; +static const char __pyx_k_eucjp[] = "eucjp"; +static const char __pyx_k_euckr[] = "euckr"; +static const char __pyx_k_group[] = "group"; +static const char __pyx_k_items[] = "items"; +static const char __pyx_k_jsonb[] = "jsonb"; +static const char __pyx_k_koi8r[] = "koi8r"; +static const char __pyx_k_koi8u[] = "koi8u"; +static const char __pyx_k_limit[] = "limit"; +static const char __pyx_k_lower[] = "lower"; +static const char __pyx_k_money[] = "money"; +static const char __pyx_k_new_2[] = "__new__"; +static const char __pyx_k_oid_2[] = "oid[]"; +static const char __pyx_k_point[] = "point"; +static const char __pyx_k_query[] = "query"; +static const char __pyx_k_range[] = "range"; +static const char __pyx_k_state[] = "state"; +static const char __pyx_k_throw[] = "throw"; +static const char __pyx_k_tuple[] = "tuple"; +static const char __pyx_k_types[] = "types"; +static const char __pyx_k_upper[] = "upper"; +static const char __pyx_k_utf_8[] = "utf-8"; +static const char __pyx_k_vscii[] = "vscii"; +static const char __pyx_k_write[] = "write"; +static const char __pyx_k_DIGEST[] = "DIGEST"; +static const char __pyx_k_Future[] = "Future"; +static const char __pyx_k_NULL_2[] = "\"NULL\""; +static const char __pyx_k_PGCOPY[] = "PGCOPY\n\377\r\n\000"; +static const char __pyx_k_Record[] = "Record"; +static const char __pyx_k_base64[] = "base64"; +static const char __pyx_k_bigint[] = "bigint"; +static const char __pyx_k_binary[] = "binary"; +static const char __pyx_k_bpchar[] = "bpchar"; +static const char __pyx_k_budget[] = "budget"; +static const char __pyx_k_cancel[] = "cancel"; +static const char __pyx_k_circle[] = "circle"; +static const char __pyx_k_codecs[] = "codecs"; +static const char __pyx_k_compat[] = "compat"; +static const char __pyx_k_config[] = "_config"; +static const char __pyx_k_cp1250[] = "cp1250"; +static const char __pyx_k_cp1251[] = "cp1251"; +static const char __pyx_k_cp1252[] = "cp1252"; +static const char __pyx_k_cp1253[] = "cp1253"; +static const char __pyx_k_cp1254[] = "cp1254"; +static const char __pyx_k_cp1255[] = "cp1255"; +static const char __pyx_k_cp1256[] = "cp1256"; +static const char __pyx_k_cp1257[] = "cp1257"; +static const char __pyx_k_cp1258[] = "cp1258"; +static const char __pyx_k_cp1521[] = "cp1521"; +static const char __pyx_k_decode[] = "decode"; +static const char __pyx_k_digest[] = "digest"; +static const char __pyx_k_encode[] = "encode"; +static const char __pyx_k_euc_cn[] = "euc_cn"; +static const char __pyx_k_euc_jp[] = "euc_jp"; +static const char __pyx_k_euc_kr[] = "euc_kr"; +static const char __pyx_k_family[] = "family"; +static const char __pyx_k_float4[] = "float4"; +static const char __pyx_k_float8[] = "float8"; +static const char __pyx_k_format[] = "format"; +static const char __pyx_k_import[] = "__import__"; +static const char __pyx_k_koi8_r[] = "koi8_r"; +static const char __pyx_k_koi8_u[] = "koi8_u"; +static const char __pyx_k_lookup[] = "lookup"; +static const char __pyx_k_module[] = "__module__"; +static const char __pyx_k_name_2[] = "__name__"; +static const char __pyx_k_object[] = "object"; +static const char __pyx_k_opaque[] = "opaque"; +static const char __pyx_k_pg_lsn[] = "pg_lsn"; +static const char __pyx_k_pickle[] = "pickle"; +static const char __pyx_k_reader[] = "reader"; +static const char __pyx_k_record[] = "record"; +static const char __pyx_k_reduce[] = "__reduce__"; +static const char __pyx_k_scalar[] = "scalar"; +static const char __pyx_k_schema[] = "schema"; +static const char __pyx_k_search[] = "search"; +static const char __pyx_k_sha256[] = "sha256"; +static const char __pyx_k_socket[] = "socket"; +static const char __pyx_k_text_2[] = "text[]"; +static const char __pyx_k_timetz[] = "timetz"; +static const char __pyx_k_update[] = "update"; +static const char __pyx_k_varbit[] = "varbit"; +static const char __pyx_k_win866[] = "win866"; +static const char __pyx_k_win874[] = "win874"; +static const char __pyx_k_win932[] = "win932"; +static const char __pyx_k_win936[] = "win936"; +static const char __pyx_k_win949[] = "win949"; +static const char __pyx_k_win950[] = "win950"; +static const char __pyx_k_AF_UNIX[] = "AF_UNIX"; +static const char __pyx_k_Mapping[] = "Mapping"; +static const char __pyx_k_abstime[] = "abstime"; +static const char __pyx_k_aclitem[] = "aclitem"; +static const char __pyx_k_anyenum[] = "anyenum"; +static const char __pyx_k_apg_exc[] = "apg_exc"; +static const char __pyx_k_asyncio[] = "asyncio"; +static const char __pyx_k_asyncpg[] = "asyncpg"; +static const char __pyx_k_cleanup[] = "_cleanup"; +static const char __pyx_k_copy_in[] = "copy_in"; +static const char __pyx_k_cstring[] = "cstring"; +static const char __pyx_k_decimal[] = "decimal"; +static const char __pyx_k_decoder[] = "decoder"; +static const char __pyx_k_encoder[] = "encoder"; +static const char __pyx_k_execute[] = "execute"; +static const char __pyx_k_genexpr[] = "genexpr"; +static const char __pyx_k_getattr[] = "__getattr__"; +static const char __pyx_k_hashlib[] = "hashlib"; +static const char __pyx_k_inspect[] = "inspect"; +static const char __pyx_k_integer[] = "integer"; +static const char __pyx_k_isempty[] = "isempty"; +static const char __pyx_k_macaddr[] = "macaddr"; +static const char __pyx_k_mapping[] = "mapping"; +static const char __pyx_k_message[] = "message"; +static const char __pyx_k_numeric[] = "numeric"; +static const char __pyx_k_polygon[] = "polygon"; +static const char __pyx_k_prepare[] = "prepare"; +static const char __pyx_k_records[] = "records"; +static const char __pyx_k_regoper[] = "regoper"; +static const char __pyx_k_regproc[] = "regproc"; +static const char __pyx_k_regrole[] = "regrole"; +static const char __pyx_k_regtype[] = "regtype"; +static const char __pyx_k_release[] = "release"; +static const char __pyx_k_reltime[] = "reltime"; +static const char __pyx_k_secrets[] = "secrets"; +static const char __pyx_k_started[] = "_started"; +static const char __pyx_k_timeout[] = "timeout"; +static const char __pyx_k_trigger[] = "trigger"; +static const char __pyx_k_tsquery[] = "tsquery"; +static const char __pyx_k_typeoid[] = "typeoid"; +static const char __pyx_k_unicode[] = "unicode"; +static const char __pyx_k_unknown[] = "unknown"; +static const char __pyx_k_urandom[] = "urandom"; +static const char __pyx_k_utf_8_2[] = "utf_8"; +static const char __pyx_k_varchar[] = "varchar"; +static const char __pyx_k_weakref[] = "weakref"; +static const char __pyx_k_win1250[] = "win1250"; +static const char __pyx_k_win1251[] = "win1251"; +static const char __pyx_k_win1252[] = "win1252"; +static const char __pyx_k_win1253[] = "win1253"; +static const char __pyx_k_win1254[] = "win1254"; +static const char __pyx_k_win1255[] = "win1255"; +static const char __pyx_k_win1256[] = "win1256"; +static const char __pyx_k_win1257[] = "win1257"; +static const char __pyx_k_win1258[] = "win1258"; +static const char __pyx_k_xformat[] = "xformat"; +static const char __pyx_k_Iterable[] = "Iterable"; +static const char __pyx_k_KeyError[] = "KeyError"; +static const char __pyx_k_Protocol[] = "Protocol"; +static const char __pyx_k_SizedABC[] = "SizedABC"; +static const char __pyx_k_alias_to[] = "alias_to"; +static const char __pyx_k_anyarray[] = "anyarray"; +static const char __pyx_k_anyrange[] = "anyrange"; +static const char __pyx_k_auth_msg[] = "auth_msg"; +static const char __pyx_k_basetype[] = "basetype"; +static const char __pyx_k_budget_2[] = "_budget"; +static const char __pyx_k_builtins[] = "builtins"; +static const char __pyx_k_conn_key[] = "conn_key"; +static const char __pyx_k_copy_out[] = "copy_out"; +static const char __pyx_k_database[] = "database"; +static const char __pyx_k_elemtype[] = "elemtype"; +static const char __pyx_k_getstate[] = "__getstate__"; +static const char __pyx_k_internal[] = "internal"; +static const char __pyx_k_interval[] = "interval"; +static const char __pyx_k_macaddr8[] = "macaddr8"; +static const char __pyx_k_on_error[] = "_on_error"; +static const char __pyx_k_password[] = "password"; +static const char __pyx_k_position[] = "position"; +static const char __pyx_k_protocol[] = "protocol"; +static const char __pyx_k_pyx_capi[] = "__pyx_capi__"; +static const char __pyx_k_pyx_type[] = "__pyx_type"; +static const char __pyx_k_qualname[] = "__qualname__"; +static const char __pyx_k_regclass[] = "regclass"; +static const char __pyx_k_reversed[] = "reversed"; +static const char __pyx_k_setstate[] = "__setstate__"; +static const char __pyx_k_smallint[] = "smallint"; +static const char __pyx_k_tcvn5712[] = "tcvn5712"; +static const char __pyx_k_to_bytes[] = "to_bytes"; +static const char __pyx_k_tsvector[] = "tsvector"; +static const char __pyx_k_typekind[] = "typekind"; +static const char __pyx_k_typename[] = "typename"; +static const char __pyx_k_wait_for[] = "wait_for"; +static const char __pyx_k_Attribute[] = "Attribute"; +static const char __pyx_k_DataError[] = "DataError"; +static const char __pyx_k_TypeError[] = "TypeError"; +static const char __pyx_k_add_types[] = "add_types"; +static const char __pyx_k_apg_types[] = "apg_types"; +static const char __pyx_k_attrnames[] = "attrnames"; +static const char __pyx_k_b64decode[] = "b64decode"; +static const char __pyx_k_b64encode[] = "b64encode"; +static const char __pyx_k_byteorder[] = "byteorder"; +static const char __pyx_k_cache_key[] = "cache_key"; +static const char __pyx_k_cancelled[] = "cancelled"; +static const char __pyx_k_codec_for[] = " codec for "; +static const char __pyx_k_composite[] = "composite"; +static const char __pyx_k_copy_stmt[] = "copy_stmt"; +static const char __pyx_k_data_type[] = "data_type"; +static const char __pyx_k_elemdelim[] = "elemdelim"; +static const char __pyx_k_enumerate[] = "enumerate"; +static const char __pyx_k_exception[] = "exception"; +static const char __pyx_k_gtsvector[] = "gtsvector"; +static const char __pyx_k_hexdigest[] = "hexdigest"; +static const char __pyx_k_lower_inc[] = "lower_inc"; +static const char __pyx_k_metaclass[] = "__metaclass__"; +static const char __pyx_k_monotonic[] = "monotonic"; +static const char __pyx_k_normalize[] = "normalize"; +static const char __pyx_k_prepare_2[] = "__prepare__"; +static const char __pyx_k_pyx_state[] = "__pyx_state"; +static const char __pyx_k_reduce_ex[] = "__reduce_ex__"; +static const char __pyx_k_refcursor[] = "refcursor"; +static const char __pyx_k_regconfig[] = "regconfig"; +static const char __pyx_k_shift_jis[] = "shift_jis"; +static const char __pyx_k_sql_ascii[] = "sql_ascii"; +static const char __pyx_k_stmt_name[] = "stmt_name"; +static const char __pyx_k_timestamp[] = "timestamp"; +static const char __pyx_k_tinterval[] = "tinterval"; +static const char __pyx_k_upper_inc[] = "upper_inc"; +static const char __pyx_k_Client_Key[] = "Client Key"; +static const char __pyx_k_IndexError[] = "IndexError"; +static const char __pyx_k_MappingABC[] = "MappingABC"; +static const char __pyx_k_NO_TIMEOUT[] = "NO_TIMEOUT"; +static const char __pyx_k_Server_Key[] = "Server Key"; +static const char __pyx_k_ValueError[] = "ValueError"; +static const char __pyx_k_anyelement[] = "anyelement"; +static const char __pyx_k_call_later[] = "call_later"; +static const char __pyx_k_con_params[] = "con_params"; +static const char __pyx_k_exceptions[] = "exceptions"; +static const char __pyx_k_has_bin_io[] = "has_bin_io"; +static const char __pyx_k_memoryview[] = "memoryview"; +static const char __pyx_k_on_timeout[] = "_on_timeout"; +static const char __pyx_k_pg_catalog[] = "pg_catalog"; +static const char __pyx_k_pyx_result[] = "__pyx_result"; +static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__"; +static const char __pyx_k_set_result[] = "set_result"; +static const char __pyx_k_setsockopt[] = "setsockopt"; +static const char __pyx_k_startswith[] = "startswith"; +static const char __pyx_k_stringprep[] = "stringprep"; +static const char __pyx_k_typeschema[] = "typeschema"; +static const char __pyx_k_windows866[] = "windows866"; +static const char __pyx_k_windows874[] = "windows874"; +static const char __pyx_k_windows932[] = "windows932"; +static const char __pyx_k_windows936[] = "windows936"; +static const char __pyx_k_windows949[] = "windows949"; +static const char __pyx_k_windows950[] = "windows950"; +static const char __pyx_k_ARRAY_TYPES[] = "ARRAY_TYPES"; +static const char __pyx_k_BufferError[] = "BufferError"; +static const char __pyx_k_IPPROTO_TCP[] = "IPPROTO_TCP"; +static const char __pyx_k_ImportError[] = "ImportError"; +static const char __pyx_k_IterableABC[] = "IterableABC"; +static const char __pyx_k_OrderedDict[] = "OrderedDict"; +static const char __pyx_k_PickleError[] = "PickleError"; +static const char __pyx_k_TCP_NODELAY[] = "TCP_NODELAY"; +static const char __pyx_k_anynonarray[] = "anynonarray"; +static const char __pyx_k_attrtypoids[] = "attrtypoids"; +static const char __pyx_k_collections[] = "collections"; +static const char __pyx_k_fdw_handler[] = "fdw_handler"; +static const char __pyx_k_get_timeout[] = "_get_timeout"; +static const char __pyx_k_hashlib_md5[] = "hashlib_md5"; +static const char __pyx_k_in_table_a1[] = "in_table_a1"; +static const char __pyx_k_in_table_b1[] = "in_table_b1"; +static const char __pyx_k_in_table_c3[] = "in_table_c3"; +static const char __pyx_k_in_table_c4[] = "in_table_c4"; +static const char __pyx_k_in_table_c5[] = "in_table_c5"; +static const char __pyx_k_in_table_c6[] = "in_table_c6"; +static const char __pyx_k_in_table_c7[] = "in_table_c7"; +static const char __pyx_k_in_table_c8[] = "in_table_c8"; +static const char __pyx_k_in_table_c9[] = "in_table_c9"; +static const char __pyx_k_in_table_d1[] = "in_table_d1"; +static const char __pyx_k_in_table_d2[] = "in_table_d2"; +static const char __pyx_k_portal_name[] = "portal_name"; +static const char __pyx_k_record_stmt[] = "record_stmt"; +static const char __pyx_k_regoperator[] = "regoperator"; +static const char __pyx_k_there_is_no[] = ": there is no "; +static const char __pyx_k_timestamptz[] = "timestamptz"; +static const char __pyx_k_token_bytes[] = "token_bytes"; +static const char __pyx_k_tsm_handler[] = "tsm_handler"; +static const char __pyx_k_unicodedata[] = "unicodedata"; +static const char __pyx_k_windows1250[] = "windows1250"; +static const char __pyx_k_windows1251[] = "windows1251"; +static const char __pyx_k_windows1252[] = "windows1252"; +static const char __pyx_k_windows1253[] = "windows1253"; +static const char __pyx_k_windows1254[] = "windows1254"; +static const char __pyx_k_windows1255[] = "windows1255"; +static const char __pyx_k_windows1256[] = "windows1256"; +static const char __pyx_k_windows1257[] = "windows1257"; +static const char __pyx_k_windows1258[] = "windows1258"; +static const char __pyx_k_BaseProtocol[] = "BaseProtocol"; +static const char __pyx_k_CoreProtocol[] = "CoreProtocol"; +static const char __pyx_k_TimeoutError[] = "TimeoutError"; +static const char __pyx_k_Timer___exit[] = "Timer.__exit__"; +static const char __pyx_k_Timer___init[] = "Timer.__init__"; +static const char __pyx_k_apg_exc_base[] = "apg_exc_base"; +static const char __pyx_k_bind_execute[] = "bind_execute"; +static const char __pyx_k_cannot_alias[] = "cannot alias "; +static const char __pyx_k_euc_jis_2004[] = "euc_jis_2004"; +static const char __pyx_k_in_table_c12[] = "in_table_c12"; +static const char __pyx_k_pg_ndistinct[] = "pg_ndistinct"; +static const char __pyx_k_pg_node_tree[] = "pg_node_tree"; +static const char __pyx_k_pyx_checksum[] = "__pyx_checksum"; +static const char __pyx_k_regnamespace[] = "regnamespace"; +static const char __pyx_k_regprocedure[] = "regprocedure"; +static const char __pyx_k_return_extra[] = "return_extra"; +static const char __pyx_k_server_nonce[] = "server_nonce"; +static const char __pyx_k_stringsource[] = "stringsource"; +static const char __pyx_k_OverflowError[] = "OverflowError"; +static const char __pyx_k_PostgresError[] = "PostgresError"; +static const char __pyx_k_ProtocolError[] = "ProtocolError"; +static const char __pyx_k_SCRAM_SHA_256[] = "SCRAM-SHA-256"; +static const char __pyx_k_StopIteration[] = "StopIteration"; +static const char __pyx_k_Timer___enter[] = "Timer.__enter__"; +static const char __pyx_k_asyncio_tasks[] = "asyncio.tasks"; +static const char __pyx_k_connected_fut[] = "connected_fut"; +static const char __pyx_k_create_future[] = "create_future"; +static const char __pyx_k_create_record[] = "_create_record"; +static const char __pyx_k_event_trigger[] = "event_trigger"; +static const char __pyx_k_invalid_nonce[] = "invalid nonce"; +static const char __pyx_k_not_connected[] = "not connected"; +static const char __pyx_k_password_salt[] = "password_salt"; +static const char __pyx_k_pause_reading[] = "pause_reading"; +static const char __pyx_k_range_subtype[] = "range_subtype"; +static const char __pyx_k_reduce_cython[] = "__reduce_cython__"; +static const char __pyx_k_regdictionary[] = "regdictionary"; +static const char __pyx_k_set_exception[] = "set_exception"; +static const char __pyx_k_txid_snapshot[] = "txid_snapshot"; +static const char __pyx_k_AssertionError[] = "AssertionError"; +static const char __pyx_k_AttributeError[] = "AttributeError"; +static const char __pyx_k_CancelledError[] = "CancelledError"; +static const char __pyx_k_InterfaceError[] = "InterfaceError"; +static const char __pyx_k_get_extra_info[] = "get_extra_info"; +static const char __pyx_k_pg_ddl_command[] = "pg_ddl_command"; +static const char __pyx_k_request_cancel[] = "_request_cancel"; +static const char __pyx_k_resume_reading[] = "resume_reading"; +static const char __pyx_k_shift_jis_2004[] = "shift_jis_2004"; +static const char __pyx_k_text_or_binary[] = "'text' or 'binary'"; +static const char __pyx_k_DataCodecConfig[] = "DataCodecConfig"; +static const char __pyx_k_client_encoding[] = "client_encoding"; +static const char __pyx_k_close_statement[] = "close_statement"; +static const char __pyx_k_collections_abc[] = "collections.abc"; +static const char __pyx_k_command_timeout[] = "command_timeout"; +static const char __pyx_k_elem_has_bin_io[] = "elem_has_bin_io"; +static const char __pyx_k_pg_dependencies[] = "pg_dependencies"; +static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError"; +static const char __pyx_k_server_settings[] = "server_settings"; +static const char __pyx_k_setstate_cython[] = "__setstate_cython__"; +static const char __pyx_k_writing_allowed[] = "writing_allowed"; +static const char __pyx_k_AUTH_METHOD_NAME[] = "AUTH_METHOD_NAME"; +static const char __pyx_k_add_python_codec[] = "add_python_codec"; +static const char __pyx_k_clear_type_cache[] = "clear_type_cache"; +static const char __pyx_k_double_precision[] = "double precision"; +static const char __pyx_k_in_table_c21_c22[] = "in_table_c21_c22"; +static const char __pyx_k_index_am_handler[] = "index_am_handler"; +static const char __pyx_k_language_handler[] = "language_handler"; +static const char __pyx_k_text_or_binary_2[] = "text or binary"; +static const char __pyx_k_BaseProtocol_bind[] = "BaseProtocol.bind"; +static const char __pyx_k_add_done_callback[] = "add_done_callback"; +static const char __pyx_k_already_connected[] = "already connected"; +static const char __pyx_k_bind_execute_many[] = "bind_execute_many"; +static const char __pyx_k_pg_contrib_hstore[] = "pg_contrib.hstore"; +static const char __pyx_k_BaseProtocol_close[] = "BaseProtocol.close"; +static const char __pyx_k_BaseProtocol_query[] = "BaseProtocol.query"; +static const char __pyx_k_ConnectionSettings[] = "ConnectionSettings"; +static const char __pyx_k_StopAsyncIteration[] = "StopAsyncIteration"; +static const char __pyx_k_UnicodeEncodeError[] = "UnicodeEncodeError"; +static const char __pyx_k_asyncio_coroutines[] = "asyncio.coroutines"; +static const char __pyx_k_asyncpg_exceptions[] = "asyncpg.exceptions"; +static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback"; +static const char __pyx_k_could_not_get_salt[] = "could not get salt"; +static const char __pyx_k_no_decoder_for_OID[] = "no decoder for OID {}"; +static const char __pyx_k_no_encoder_for_OID[] = "no encoder for OID {}"; +static const char __pyx_k_time_with_timezone[] = "time with timezone"; +static const char __pyx_k_InternalClientError[] = "InternalClientError"; +static const char __pyx_k_NotImplementedError[] = "NotImplementedError"; +static const char __pyx_k_SASLPREP_PROHIBITED[] = "SASLPREP_PROHIBITED"; +static const char __pyx_k_SCRAMAuthentication[] = "SCRAMAuthentication"; +static const char __pyx_k_could_not_get_nonce[] = "could not get nonce"; +static const char __pyx_k_invalid_data_format[] = "invalid data format: {}"; +static const char __pyx_k_on_waiter_completed[] = "_on_waiter_completed"; +static const char __pyx_k_password_iterations[] = "password_iterations"; +static const char __pyx_k_process_log_message[] = "_process_log_message"; +static const char __pyx_k_remove_python_codec[] = "remove_python_codec"; +static const char __pyx_k_BUILTIN_TYPE_OID_MAP[] = "BUILTIN_TYPE_OID_MAP"; +static const char __pyx_k_BaseProtocol_copy_in[] = "BaseProtocol.copy_in"; +static const char __pyx_k_BaseProtocol_execute[] = "BaseProtocol.execute"; +static const char __pyx_k_BaseProtocol_prepare[] = "BaseProtocol.prepare"; +static const char __pyx_k_ConnectionResetError[] = "ConnectionResetError"; +static const char __pyx_k_ConnectionSettings_r[] = ""; +static const char __pyx_k_generate_token_bytes[] = "generate_token_bytes"; +static const char __pyx_k_get_remaining_budget[] = "get_remaining_budget"; +static const char __pyx_k_process_notification[] = "_process_notification"; +static const char __pyx_k_server_first_message[] = "server_first_message"; +static const char __pyx_k_text_binary_or_tuple[] = "'text', 'binary' or 'tuple'"; +static const char __pyx_k_BUILTIN_TYPE_NAME_MAP[] = "BUILTIN_TYPE_NAME_MAP"; +static const char __pyx_k_BaseProtocol_copy_out[] = "BaseProtocol.copy_out"; +static const char __pyx_k_OID_value_too_large_r[] = "OID value too large: {!r}"; +static const char __pyx_k_array_length_overflow[] = "array length overflow"; +static const char __pyx_k_authentication_method[] = "authentication_method"; +static const char __pyx_k_copy_in_locals_lambda[] = "copy_in.."; +static const char __pyx_k_invalid_array_element[] = "invalid array element: {}"; +static const char __pyx_k_non_homogeneous_array[] = "non-homogeneous array"; +static const char __pyx_k_unexpected_codec_type[] = "unexpected codec type: {}"; +static const char __pyx_k_wait_for_cancellation[] = "_wait_for_cancellation"; +static const char __pyx_k_AUTHENTICATION_METHODS[] = "AUTHENTICATION_METHODS"; +static const char __pyx_k_PreparedStatementState[] = "PreparedStatementState"; +static const char __pyx_k_call_exception_handler[] = "call_exception_handler"; +static const char __pyx_k_cancel_current_command[] = "_cancel_current_command"; +static const char __pyx_k_cannot_process_message[] = "cannot process message "; +static const char __pyx_k_client_channel_binding[] = "client_channel_binding"; +static const char __pyx_k_copy_out_locals_lambda[] = "copy_out.."; +static const char __pyx_k_create_future_fallback[] = "_create_future_fallback"; +static const char __pyx_k_declare_fallback_codec[] = "declare_fallback_codec"; +static const char __pyx_k_set_builtin_type_codec[] = "set_builtin_type_codec"; +static const char __pyx_k_unexpected_data_format[] = "unexpected data format: {}"; +static const char __pyx_k_Codec_oid_elem_oid_core[] = ""; +static const char __pyx_k_timestamp_with_timezone[] = "timestamp with timezone"; +static const char __pyx_k_OutdatedSchemaCacheError[] = "OutdatedSchemaCacheError"; +static const char __pyx_k_could_not_get_iterations[] = "could not get iterations"; +static const char __pyx_k_on_result_waiter_is_None[] = "_on_result: waiter is None"; +static const char __pyx_k_on_result_waiter_is_done[] = "_on_result: waiter is done"; +static const char __pyx_k_set_builtin_type_codec_2[] = "_set_builtin_type_codec"; +static const char __pyx_k_unexpected_end_of_string[] = "unexpected end of string"; +static const char __pyx_k_BaseProtocol_bind_execute[] = "BaseProtocol.bind_execute"; +static const char __pyx_k_REQUIREMENTS_CLIENT_PROOF[] = "REQUIREMENTS_CLIENT_PROOF"; +static const char __pyx_k_asyncpg_protocol_protocol[] = "asyncpg.protocol.protocol"; +static const char __pyx_k_malformed_array_literal_r[] = "malformed array literal {!r}: {}"; +static const char __pyx_k_pyx_unpickle_BaseProtocol[] = "__pyx_unpickle_BaseProtocol"; +static const char __pyx_k_pyx_unpickle_CoreProtocol[] = "__pyx_unpickle_CoreProtocol"; +static const char __pyx_k_DEFAULT_CLIENT_NONCE_BYTES[] = "DEFAULT_CLIENT_NONCE_BYTES"; +static const char __pyx_k_Timer_get_remaining_budget[] = "Timer.get_remaining_budget"; +static const char __pyx_k_TimoutError_was_not_raised[] = "TimoutError was not raised"; +static const char __pyx_k_unexpected_exchange_format[] = "unexpected exchange format: {}"; +static const char __pyx_k_ConnectionDoesNotExistError[] = "ConnectionDoesNotExistError"; +static const char __pyx_k_BaseProtocol_close_statement[] = "BaseProtocol.close_statement"; +static const char __pyx_k_decode_row_statement_is_None[] = "_decode_row: statement is None"; +static const char __pyx_k_pyx_unpickle_DataCodecConfig[] = "__pyx_unpickle_DataCodecConfig"; +static const char __pyx_k_asyncpg_protocol_protocol_pyx[] = "asyncpg/protocol/protocol.pyx"; +static const char __pyx_k_missing_array_dimension_value[] = "missing array dimension value"; +static const char __pyx_k_BaseProtocol_bind_execute_many[] = "BaseProtocol.bind_execute_many"; +static const char __pyx_k_could_not_get_server_signature[] = "could not get server signature"; +static const char __pyx_k_invalid_array_element_at_index[] = "invalid array element at index {}: {}"; +static const char __pyx_k_missing_after_array_dimensions[] = "missing ']' after array dimensions"; +static const char __pyx_k_Note_that_parameters_are_suppor[] = " Note that parameters are supported only in SELECT, INSERT, UPDATE, DELETE, and VALUES statements, and will *not* work in statements like CREATE VIEW or DECLARE CURSOR."; +static const char __pyx_k_cannot_close_prepared_statement[] = "cannot close prepared statement; refs == {} != 0"; +static const char __pyx_k_cannot_switch_to_state_protocol[] = "cannot switch to state {}; protocol is in the \"failed\" state"; +static const char __pyx_k_got_result_for_unknown_protocol[] = "got result for unknown protocol state {}"; +static const char __pyx_k_on_result__prepare_statement_is[] = "_on_result__prepare: statement is None"; +static const char __pyx_k_parse_data_msgs_first_message_i[] = "_parse_data_msgs: first message is not \"D\""; +static const char __pyx_k_parse_data_msgs_result_is_not_a[] = "_parse_data_msgs: result is not a list, but {!r}"; +static const char __pyx_k_protocol_is_in_an_unexpected_st[] = ": protocol is in an unexpected state "; +static const char __pyx_k_r_is_not_a_valid_element_of_com[] = "{!r} is not a valid element of composite type {}"; +static const char __pyx_k_the_server_expects_x_argument_s[] = "the server expects {x} argument{s} for this query, {y} {w} passed"; +static const char __pyx_k_type_does_not_support_the_tuple[] = "{} type does not support the 'tuple' exchange format"; +static const char __pyx_k_type_record_missing_field_types[] = "type record missing field types for composite {}"; +static const char __pyx_k_unexpected_array_dimension_size[] = "unexpected array dimension size: {}"; +static const char __pyx_k_unexpected_instance_of_anyarray[] = "unexpected instance of 'anyarray' type"; +static const char __pyx_k_unexpected_number_of_attributes[] = "unexpected number of attributes of composite type: {}, expected {}"; +static const char __pyx_k_unsupported_SASL_Authentication[] = "unsupported SASL Authentication methods requested by the server: {!r}"; +static const char __pyx_k_BaseProtocol__wait_for_cancellat[] = "BaseProtocol._wait_for_cancellation"; +static const char __pyx_k_Check_the_query_against_the_pass[] = "Check the query against the passed list of arguments."; +static const char __pyx_k_Incompatible_checksums_s_vs_0x73[] = "Incompatible checksums (%s vs 0x7336a95 = (_custom_type_codecs, _derived_type_codecs))"; +static const char __pyx_k_Incompatible_checksums_s_vs_0x9c[] = "Incompatible checksums (%s vs 0x9ce9b82 = (_discard_data, _execute_iter, _execute_portal_name, _execute_stmt_name, _skip_discard, address, backend_pid, backend_secret, buffer, cancel_sent_waiter, cancel_waiter, closing, completed_callback, con_params, con_status, conref, create_future, encoding, is_reading, last_query, loop, queries_count, result, result_execute_completed, result_param_desc, result_row_desc, result_status_msg, result_type, return_extra, scram, settings, state, statement, timeout_callback, timeout_handle, transport, waiter, writing_paused, xact_status))"; +static const char __pyx_k_Incompatible_checksums_s_vs_0xfb[] = "Incompatible checksums (%s vs 0xfbc42c3 = (_discard_data, _execute_iter, _execute_portal_name, _execute_stmt_name, _skip_discard, backend_pid, backend_secret, buffer, con_params, con_status, encoding, result, result_execute_completed, result_param_desc, result_row_desc, result_status_msg, result_type, scram, state, transport, xact_status))"; +static const char __pyx_k_REQUIREMENTS_CLIENT_FINAL_MESSAG[] = "REQUIREMENTS_CLIENT_FINAL_MESSAGE"; +static const char __pyx_k_SCRAMAuthentication__bytes_xor_l[] = "SCRAMAuthentication._bytes_xor..genexpr"; +static const char __pyx_k_SCRAMAuthentication__normalize_p[] = "SCRAMAuthentication._normalize_password..genexpr"; +static const char __pyx_k_a_sized_iterable_container_expec[] = "a sized iterable container expected (got type {!r})"; +static const char __pyx_k_asyncpg_Protocol_has_no_referenc[] = "asyncpg.Protocol has no reference to its Connection object and yet a cancellation was requested. Please report this at github.com/magicstack/asyncpg."; +static const char __pyx_k_bind_execute_many_locals_genexpr[] = "bind_execute_many..genexpr"; +static const char __pyx_k_cannot_decode_type_text_encoding[] = "cannot decode type \"{}\".\"{}\": text encoding of range types is not supported"; +static const char __pyx_k_cannot_perform_operation_another[] = "cannot perform operation: another operation is cancelling"; +static const char __pyx_k_cannot_perform_operation_connect[] = "cannot perform operation: connection is closed"; +static const char __pyx_k_cannot_register_core_codec_for_O[] = "cannot register core codec for OID {}: it is greater than MAXSUPPORTEDOID ({})"; +static const char __pyx_k_cannot_switch_to_idle_state_prot[] = "cannot switch to \"idle\" state; protocol is in the \"failed\" state"; +static const char __pyx_k_cannot_switch_to_state_another_o[] = "cannot switch to state {}; another operation ({}) is in progress"; +static const char __pyx_k_connection_was_closed_in_the_mid[] = "connection was closed in the middle of operation"; +static const char __pyx_k_could_not_verify_server_signatur[] = "could not verify server signature for SCRAM authentciation: scram-sha-256"; +static const char __pyx_k_expected_0_1_or_2_elements_in_ra[] = "expected 0, 1 or 2 elements in range (got {})"; +static const char __pyx_k_inconsistent_sub_array_dimension[] = "inconsistent sub-array dimensions at position {}"; +static const char __pyx_k_invalid_format_argument_expected[] = "invalid `format` argument, expected {}, got {!r}"; +static const char __pyx_k_invalid_input_for_query_argument[] = "invalid input for query argument ${n}: {v} ({msg})"; +static const char __pyx_k_invalid_timeout_value_expected_n[] = "invalid timeout value: expected non-negative float (got {!r})"; +static const char __pyx_k_list_tuple_or_Range_object_expec[] = "list, tuple or Range object expected (got type {})"; +static const char __pyx_k_missing_after_array_dimensions_2[] = "missing '=' after array dimensions"; +static const char __pyx_k_missing_codec_information_for_OI[] = "missing codec information for OID {}"; +static const char __pyx_k_no_binary_format_encoder_for_typ[] = "no binary format encoder for type {} (OID {})"; +static const char __pyx_k_no_codec_for_composite_attribute[] = "no codec for composite attribute type {}"; +static const char __pyx_k_no_decoder_for_composite_type_el[] = "no decoder for composite type element in position {} of type OID {}"; +static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__"; +static const char __pyx_k_number_of_array_dimensions_excee[] = "number of array dimensions ({}) exceed the maximum expected ({})"; +static const char __pyx_k_reader_is_not_an_asynchronous_it[] = "reader is not an asynchronous iterable"; +static const char __pyx_k_specified_array_dimensions_do_no[] = "specified array dimensions do not match array content"; +static const char __pyx_k_the_number_of_columns_in_the_res[] = "the number of columns in the result row ({}) is different from what was described ({})"; +static const char __pyx_k_the_number_of_query_arguments_ca[] = "the number of query arguments cannot exceed 32767"; +static const char __pyx_k_too_many_elements_in_array_value[] = "too many elements in array value"; +static const char __pyx_k_too_many_elements_in_composite_t[] = "too many elements in composite type record"; +static const char __pyx_k_type_record_missing_base_type_fo[] = "type record missing base type for domain {}"; +static const char __pyx_k_unexpected_array_dimensions_valu[] = "unexpected array dimensions value: {}"; +static const char __pyx_k_unexpected_character_r_at_positi[] = "unexpected character {!r} at position {}"; +static const char __pyx_k_unexpected_data_type_of_composit[] = "unexpected data type of composite type attribute {}: {!r}, expected {!r}"; +static const char __pyx_k_unexpected_trailing_bytes_in_buf[] = "unexpected trailing {} bytes in buffer"; +static const char __pyx_k_unhandled_standard_data_type_r_O[] = "unhandled standard data type {!r} (OID {})"; +static const char __pyx_k_unknown_error_in_protocol_implem[] = "unknown error in protocol implementation"; +static const char __pyx_k_unsupported_authentication_metho[] = "unsupported authentication method requested by the server: {!r}"; +static const char __pyx_k_waiter_is_not_done_while_handlin[] = "waiter is not done while handling critical protocol error"; +static const char __pyx_k_you_need_values_from_server_to_g[] = "you need values from server to generate a client proof"; +static const char __pyx_k_cannot_decode_type_text_encoding_2[] = "cannot decode type \"{}\".\"{}\": text encoding of composite types is not supported"; +static const char __pyx_k_cannot_perform_operation_another_2[] = "cannot perform operation: another operation is in progress"; +static const char __pyx_k_type_record_missing_base_type_fo_2[] = "type record missing base type for range {}"; +static const char __pyx_k_unsupported_authentication_metho_2[] = "unsupported authentication method requested by the server: {}"; +static PyObject *__pyx_n_s_AF_UNIX; +static PyObject *__pyx_n_u_AF_UNIX; +static PyObject *__pyx_n_s_ARRAY_TYPES; +static PyObject *__pyx_n_s_AUTHENTICATION_METHODS; +static PyObject *__pyx_n_s_AUTH_METHOD_NAME; +static PyObject *__pyx_n_s_AssertionError; +static PyObject *__pyx_n_s_Attribute; +static PyObject *__pyx_n_s_AttributeError; +static PyObject *__pyx_n_s_BUILTIN_TYPE_NAME_MAP; +static PyObject *__pyx_n_s_BUILTIN_TYPE_OID_MAP; +static PyObject *__pyx_n_s_BaseProtocol; +static PyObject *__pyx_n_s_BaseProtocol__wait_for_cancellat; +static PyObject *__pyx_n_s_BaseProtocol_bind; +static PyObject *__pyx_n_s_BaseProtocol_bind_execute; +static PyObject *__pyx_n_s_BaseProtocol_bind_execute_many; +static PyObject *__pyx_n_s_BaseProtocol_close; +static PyObject *__pyx_n_s_BaseProtocol_close_statement; +static PyObject *__pyx_n_s_BaseProtocol_copy_in; +static PyObject *__pyx_n_s_BaseProtocol_copy_out; +static PyObject *__pyx_n_s_BaseProtocol_execute; +static PyObject *__pyx_n_s_BaseProtocol_prepare; +static PyObject *__pyx_n_s_BaseProtocol_query; +static PyObject *__pyx_n_s_BufferError; +static PyObject *__pyx_n_s_CancelledError; +static PyObject *__pyx_kp_u_Check_the_query_against_the_pass; +static PyObject *__pyx_kp_b_Client_Key; +static PyObject *__pyx_n_s_Codec; +static PyObject *__pyx_kp_u_Codec_oid_elem_oid_core; +static PyObject *__pyx_n_s_ConnectionDoesNotExistError; +static PyObject *__pyx_n_s_ConnectionResetError; +static PyObject *__pyx_n_s_ConnectionSettings; +static PyObject *__pyx_kp_u_ConnectionSettings_r; +static PyObject *__pyx_n_s_CoreProtocol; +static PyObject *__pyx_n_s_DEFAULT_CLIENT_NONCE_BYTES; +static PyObject *__pyx_n_s_DIGEST; +static PyObject *__pyx_n_s_DataCodecConfig; +static PyObject *__pyx_n_s_DataError; +static PyObject *__pyx_n_s_Event; +static PyObject *__pyx_n_s_Future; +static PyObject *__pyx_n_s_IPPROTO_TCP; +static PyObject *__pyx_n_s_ImportError; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0x73; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0x9c; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xfb; +static PyObject *__pyx_n_s_IndexError; +static PyObject *__pyx_n_s_InterfaceError; +static PyObject *__pyx_n_s_InternalClientError; +static PyObject *__pyx_n_s_Iterable; +static PyObject *__pyx_n_s_IterableABC; +static PyObject *__pyx_n_s_KeyError; +static PyObject *__pyx_n_s_Mapping; +static PyObject *__pyx_n_s_MappingABC; +static PyObject *__pyx_n_u_NA; +static PyObject *__pyx_n_u_NFKC; +static PyObject *__pyx_n_s_NO_TIMEOUT; +static PyObject *__pyx_n_b_NULL; +static PyObject *__pyx_kp_b_NULL_2; +static PyObject *__pyx_n_s_NotImplementedError; +static PyObject *__pyx_kp_u_Note_that_parameters_are_suppor; +static PyObject *__pyx_kp_u_OID_value_too_large_r; +static PyObject *__pyx_n_s_OrderedDict; +static PyObject *__pyx_n_s_OutdatedSchemaCacheError; +static PyObject *__pyx_n_s_OverflowError; +static PyObject *__pyx_kp_b_PGCOPY; +static PyObject *__pyx_n_s_PickleError; +static PyObject *__pyx_n_s_PostgresError; +static PyObject *__pyx_n_s_PreparedStatementState; +static PyObject *__pyx_n_s_Protocol; +static PyObject *__pyx_n_s_ProtocolError; +static PyObject *__pyx_n_s_REQUIREMENTS_CLIENT_FINAL_MESSAG; +static PyObject *__pyx_n_s_REQUIREMENTS_CLIENT_PROOF; +static PyObject *__pyx_n_s_Range; +static PyObject *__pyx_n_s_Record; +static PyObject *__pyx_n_s_SASLPREP_PROHIBITED; +static PyObject *__pyx_n_s_SCRAMAuthentication; +static PyObject *__pyx_n_s_SCRAMAuthentication__bytes_xor_l; +static PyObject *__pyx_n_s_SCRAMAuthentication__normalize_p; +static PyObject *__pyx_kp_b_SCRAM_SHA_256; +static PyObject *__pyx_kp_b_Server_Key; +static PyObject *__pyx_n_s_Sized; +static PyObject *__pyx_n_s_SizedABC; +static PyObject *__pyx_n_s_StopAsyncIteration; +static PyObject *__pyx_n_s_StopIteration; +static PyObject *__pyx_n_s_TCP_NODELAY; +static PyObject *__pyx_n_s_TimeoutError; +static PyObject *__pyx_n_u_TimeoutError; +static PyObject *__pyx_n_s_Timer; +static PyObject *__pyx_n_s_Timer___enter; +static PyObject *__pyx_n_s_Timer___exit; +static PyObject *__pyx_n_s_Timer___init; +static PyObject *__pyx_n_s_Timer_get_remaining_budget; +static PyObject *__pyx_kp_u_TimoutError_was_not_raised; +static PyObject *__pyx_n_s_Type; +static PyObject *__pyx_n_s_TypeError; +static PyObject *__pyx_n_s_UnicodeEncodeError; +static PyObject *__pyx_n_s_ValueError; +static PyObject *__pyx_kp_b__18; +static PyObject *__pyx_n_u__2; +static PyObject *__pyx_kp_b__24; +static PyObject *__pyx_kp_b__32; +static PyObject *__pyx_kp_b__33; +static PyObject *__pyx_kp_u__34; +static PyObject *__pyx_kp_b__35; +static PyObject *__pyx_kp_u__35; +static PyObject *__pyx_kp_u__38; +static PyObject *__pyx_kp_u__39; +static PyObject *__pyx_kp_u__40; +static PyObject *__pyx_kp_u__42; +static PyObject *__pyx_kp_u__9; +static PyObject *__pyx_kp_u_a_sized_iterable_container_expec; +static PyObject *__pyx_n_u_abc; +static PyObject *__pyx_n_s_abort; +static PyObject *__pyx_n_u_abstime; +static PyObject *__pyx_n_u_aclitem; +static PyObject *__pyx_n_s_add_done_callback; +static PyObject *__pyx_n_s_add_python_codec; +static PyObject *__pyx_n_s_add_types; +static PyObject *__pyx_n_s_addr; +static PyObject *__pyx_n_s_aiter; +static PyObject *__pyx_n_s_alias_to; +static PyObject *__pyx_kp_u_already_connected; +static PyObject *__pyx_n_u_alt; +static PyObject *__pyx_n_s_anext; +static PyObject *__pyx_n_s_any; +static PyObject *__pyx_n_u_any; +static PyObject *__pyx_n_u_anyarray; +static PyObject *__pyx_n_u_anyelement; +static PyObject *__pyx_n_u_anyenum; +static PyObject *__pyx_n_u_anynonarray; +static PyObject *__pyx_n_u_anyrange; +static PyObject *__pyx_n_s_apg_exc; +static PyObject *__pyx_n_s_apg_exc_base; +static PyObject *__pyx_n_s_apg_types; +static PyObject *__pyx_n_s_args; +static PyObject *__pyx_n_u_array; +static PyObject *__pyx_kp_u_array_length_overflow; +static PyObject *__pyx_n_u_ascii; +static PyObject *__pyx_n_s_asyncio; +static PyObject *__pyx_n_s_asyncio_coroutines; +static PyObject *__pyx_n_s_asyncio_tasks; +static PyObject *__pyx_n_s_asyncpg; +static PyObject *__pyx_kp_u_asyncpg_Protocol_has_no_referenc; +static PyObject *__pyx_n_s_asyncpg_exceptions; +static PyObject *__pyx_n_s_asyncpg_protocol_protocol; +static PyObject *__pyx_kp_s_asyncpg_protocol_protocol_pyx; +static PyObject *__pyx_n_u_attrnames; +static PyObject *__pyx_n_u_attrtypoids; +static PyObject *__pyx_n_s_auth_msg; +static PyObject *__pyx_n_s_authentication_method; +static PyObject *__pyx_n_s_await; +static PyObject *__pyx_n_s_b64decode; +static PyObject *__pyx_n_s_b64encode; +static PyObject *__pyx_n_s_base; +static PyObject *__pyx_n_s_base64; +static PyObject *__pyx_n_u_basetype; +static PyObject *__pyx_n_u_big; +static PyObject *__pyx_n_u_bigint; +static PyObject *__pyx_n_u_binary; +static PyObject *__pyx_n_s_bind; +static PyObject *__pyx_n_s_bind_execute; +static PyObject *__pyx_n_s_bind_execute_many; +static PyObject *__pyx_n_s_bind_execute_many_locals_genexpr; +static PyObject *__pyx_n_u_bit; +static PyObject *__pyx_n_u_bool; +static PyObject *__pyx_n_u_box; +static PyObject *__pyx_n_u_bpchar; +static PyObject *__pyx_n_s_budget; +static PyObject *__pyx_n_s_budget_2; +static PyObject *__pyx_n_s_builtins; +static PyObject *__pyx_n_u_bytea; +static PyObject *__pyx_n_s_byteorder; +static PyObject *__pyx_n_b_c; +static PyObject *__pyx_kp_b_c_2; +static PyObject *__pyx_kp_b_c_3; +static PyObject *__pyx_n_s_cache_key; +static PyObject *__pyx_n_s_call_exception_handler; +static PyObject *__pyx_n_s_call_later; +static PyObject *__pyx_n_s_cancel; +static PyObject *__pyx_n_s_cancel_current_command; +static PyObject *__pyx_n_s_cancelled; +static PyObject *__pyx_kp_u_cannot_alias; +static PyObject *__pyx_kp_u_cannot_close_prepared_statement; +static PyObject *__pyx_kp_u_cannot_decode_type_text_encoding; +static PyObject *__pyx_kp_u_cannot_decode_type_text_encoding_2; +static PyObject *__pyx_kp_u_cannot_perform_operation_another; +static PyObject *__pyx_kp_u_cannot_perform_operation_another_2; +static PyObject *__pyx_kp_u_cannot_perform_operation_connect; +static PyObject *__pyx_kp_u_cannot_process_message; +static PyObject *__pyx_kp_u_cannot_register_core_codec_for_O; +static PyObject *__pyx_kp_u_cannot_switch_to_idle_state_prot; +static PyObject *__pyx_kp_u_cannot_switch_to_state_another_o; +static PyObject *__pyx_kp_u_cannot_switch_to_state_protocol; +static PyObject *__pyx_n_s_cause; +static PyObject *__pyx_n_u_char; +static PyObject *__pyx_n_s_chr; +static PyObject *__pyx_n_u_cid; +static PyObject *__pyx_n_u_cidr; +static PyObject *__pyx_n_u_circle; +static PyObject *__pyx_n_s_cleanup; +static PyObject *__pyx_n_s_clear; +static PyObject *__pyx_n_s_clear_type_cache; +static PyObject *__pyx_n_u_client_channel_binding; +static PyObject *__pyx_n_b_client_encoding; +static PyObject *__pyx_n_u_client_encoding; +static PyObject *__pyx_n_s_cline_in_traceback; +static PyObject *__pyx_n_s_close; +static PyObject *__pyx_n_s_close_statement; +static PyObject *__pyx_kp_u_codec_for; +static PyObject *__pyx_n_s_codecs; +static PyObject *__pyx_n_s_collections; +static PyObject *__pyx_n_s_collections_abc; +static PyObject *__pyx_n_s_command_timeout; +static PyObject *__pyx_n_s_compat; +static PyObject *__pyx_n_u_composite; +static PyObject *__pyx_n_s_con_params; +static PyObject *__pyx_n_s_config; +static PyObject *__pyx_n_s_conn_key; +static PyObject *__pyx_n_s_connected_fut; +static PyObject *__pyx_kp_u_connection_was_closed_in_the_mid; +static PyObject *__pyx_n_s_copy_in; +static PyObject *__pyx_n_s_copy_in_locals_lambda; +static PyObject *__pyx_n_s_copy_out; +static PyObject *__pyx_n_s_copy_out_locals_lambda; +static PyObject *__pyx_n_s_copy_stmt; +static PyObject *__pyx_kp_u_could_not_get_iterations; +static PyObject *__pyx_kp_u_could_not_get_nonce; +static PyObject *__pyx_kp_u_could_not_get_salt; +static PyObject *__pyx_kp_u_could_not_get_server_signature; +static PyObject *__pyx_kp_u_could_not_verify_server_signatur; +static PyObject *__pyx_n_u_cp1250; +static PyObject *__pyx_n_u_cp1251; +static PyObject *__pyx_n_u_cp1252; +static PyObject *__pyx_n_u_cp1253; +static PyObject *__pyx_n_u_cp1254; +static PyObject *__pyx_n_u_cp1255; +static PyObject *__pyx_n_u_cp1256; +static PyObject *__pyx_n_u_cp1257; +static PyObject *__pyx_n_u_cp1258; +static PyObject *__pyx_n_u_cp1521; +static PyObject *__pyx_n_u_cp866; +static PyObject *__pyx_n_u_cp874; +static PyObject *__pyx_n_u_cp932; +static PyObject *__pyx_n_u_cp936; +static PyObject *__pyx_n_u_cp949; +static PyObject *__pyx_n_u_cp950; +static PyObject *__pyx_n_s_create_future; +static PyObject *__pyx_n_s_create_future_fallback; +static PyObject *__pyx_n_s_create_record; +static PyObject *__pyx_n_u_cstring; +static PyObject *__pyx_n_b_d; +static PyObject *__pyx_n_s_data; +static PyObject *__pyx_n_s_data_type; +static PyObject *__pyx_n_s_database; +static PyObject *__pyx_n_u_database; +static PyObject *__pyx_n_u_date; +static PyObject *__pyx_n_u_decimal; +static PyObject *__pyx_n_s_declare_fallback_codec; +static PyObject *__pyx_n_s_decode; +static PyObject *__pyx_kp_u_decode_row_statement_is_None; +static PyObject *__pyx_n_s_decoder; +static PyObject *__pyx_n_s_desc; +static PyObject *__pyx_n_s_dict; +static PyObject *__pyx_n_s_digest; +static PyObject *__pyx_n_s_doc; +static PyObject *__pyx_n_s_done; +static PyObject *__pyx_kp_u_double_precision; +static PyObject *__pyx_n_b_e; +static PyObject *__pyx_n_s_e; +static PyObject *__pyx_n_s_elem; +static PyObject *__pyx_n_u_elem_has_bin_io; +static PyObject *__pyx_n_u_elemdelim; +static PyObject *__pyx_n_s_elems; +static PyObject *__pyx_n_u_elemtype; +static PyObject *__pyx_n_s_empty; +static PyObject *__pyx_n_s_encode; +static PyObject *__pyx_n_s_encoder; +static PyObject *__pyx_n_s_enter; +static PyObject *__pyx_n_s_enumerate; +static PyObject *__pyx_n_s_et; +static PyObject *__pyx_n_u_euc_cn; +static PyObject *__pyx_n_u_euc_jis_2004; +static PyObject *__pyx_n_u_euc_jp; +static PyObject *__pyx_n_u_euc_kr; +static PyObject *__pyx_n_u_euccn; +static PyObject *__pyx_n_u_eucjp; +static PyObject *__pyx_n_u_euckr; +static PyObject *__pyx_n_u_event_trigger; +static PyObject *__pyx_n_s_exception; +static PyObject *__pyx_n_s_exceptions; +static PyObject *__pyx_n_s_execute; +static PyObject *__pyx_n_s_exit; +static PyObject *__pyx_kp_u_expected_0_1_or_2_elements_in_ra; +static PyObject *__pyx_n_s_family; +static PyObject *__pyx_n_u_fdw_handler; +static PyObject *__pyx_n_u_float4; +static PyObject *__pyx_n_u_float8; +static PyObject *__pyx_n_s_format; +static PyObject *__pyx_n_s_generate_token_bytes; +static PyObject *__pyx_n_s_genexpr; +static PyObject *__pyx_n_s_get; +static PyObject *__pyx_n_s_get_extra_info; +static PyObject *__pyx_n_s_get_remaining_budget; +static PyObject *__pyx_n_s_get_timeout; +static PyObject *__pyx_n_s_getattr; +static PyObject *__pyx_n_s_getstate; +static PyObject *__pyx_kp_u_got_result_for_unknown_protocol; +static PyObject *__pyx_n_s_group; +static PyObject *__pyx_n_u_gtsvector; +static PyObject *__pyx_n_u_has_bin_io; +static PyObject *__pyx_n_s_hashlib; +static PyObject *__pyx_n_s_hashlib_md5; +static PyObject *__pyx_n_s_hexdigest; +static PyObject *__pyx_n_s_hint; +static PyObject *__pyx_n_s_hmac; +static PyObject *__pyx_n_s_i; +static PyObject *__pyx_kp_b_i_d; +static PyObject *__pyx_n_s_import; +static PyObject *__pyx_n_s_in_table_a1; +static PyObject *__pyx_n_s_in_table_b1; +static PyObject *__pyx_n_s_in_table_c12; +static PyObject *__pyx_n_s_in_table_c21_c22; +static PyObject *__pyx_n_s_in_table_c3; +static PyObject *__pyx_n_s_in_table_c4; +static PyObject *__pyx_n_s_in_table_c5; +static PyObject *__pyx_n_s_in_table_c6; +static PyObject *__pyx_n_s_in_table_c7; +static PyObject *__pyx_n_s_in_table_c8; +static PyObject *__pyx_n_s_in_table_c9; +static PyObject *__pyx_n_s_in_table_d1; +static PyObject *__pyx_n_s_in_table_d2; +static PyObject *__pyx_kp_u_inconsistent_sub_array_dimension; +static PyObject *__pyx_n_u_index_am_handler; +static PyObject *__pyx_n_u_inet; +static PyObject *__pyx_n_s_init; +static PyObject *__pyx_n_s_inspect; +static PyObject *__pyx_n_u_int; +static PyObject *__pyx_n_u_int2; +static PyObject *__pyx_n_u_int4; +static PyObject *__pyx_n_u_int8; +static PyObject *__pyx_n_u_integer; +static PyObject *__pyx_n_u_internal; +static PyObject *__pyx_n_u_interval; +static PyObject *__pyx_kp_u_invalid_array_element; +static PyObject *__pyx_kp_u_invalid_array_element_at_index; +static PyObject *__pyx_kp_u_invalid_data_format; +static PyObject *__pyx_kp_u_invalid_format_argument_expected; +static PyObject *__pyx_kp_u_invalid_input_for_query_argument; +static PyObject *__pyx_kp_u_invalid_nonce; +static PyObject *__pyx_kp_u_invalid_timeout_value_expected_n; +static PyObject *__pyx_n_s_isempty; +static PyObject *__pyx_n_s_items; +static PyObject *__pyx_n_u_json; +static PyObject *__pyx_n_u_jsonb; +static PyObject *__pyx_n_u_kind; +static PyObject *__pyx_n_u_koi8_r; +static PyObject *__pyx_n_u_koi8_u; +static PyObject *__pyx_n_u_koi8r; +static PyObject *__pyx_n_u_koi8u; +static PyObject *__pyx_n_u_language_handler; +static PyObject *__pyx_n_s_limit; +static PyObject *__pyx_n_u_line; +static PyObject *__pyx_kp_u_list_tuple_or_Range_object_expec; +static PyObject *__pyx_n_s_lookup; +static PyObject *__pyx_n_s_loop; +static PyObject *__pyx_n_s_lower; +static PyObject *__pyx_n_s_lower_inc; +static PyObject *__pyx_n_u_lseg; +static PyObject *__pyx_n_u_macaddr; +static PyObject *__pyx_n_u_macaddr8; +static PyObject *__pyx_n_s_main; +static PyObject *__pyx_kp_u_malformed_array_literal_r; +static PyObject *__pyx_n_s_mapping; +static PyObject *__pyx_n_b_md5; +static PyObject *__pyx_n_s_md5; +static PyObject *__pyx_n_s_memoryview; +static PyObject *__pyx_n_u_message; +static PyObject *__pyx_n_s_metaclass; +static PyObject *__pyx_kp_u_missing_after_array_dimensions; +static PyObject *__pyx_kp_u_missing_after_array_dimensions_2; +static PyObject *__pyx_kp_u_missing_array_dimension_value; +static PyObject *__pyx_kp_u_missing_codec_information_for_OI; +static PyObject *__pyx_n_s_module; +static PyObject *__pyx_n_u_money; +static PyObject *__pyx_n_s_monotonic; +static PyObject *__pyx_n_s_msg; +static PyObject *__pyx_kp_b_n; +static PyObject *__pyx_kp_b_n_2; +static PyObject *__pyx_n_s_n_3; +static PyObject *__pyx_n_s_name; +static PyObject *__pyx_n_u_name; +static PyObject *__pyx_n_s_name_2; +static PyObject *__pyx_n_s_new; +static PyObject *__pyx_n_s_new_2; +static PyObject *__pyx_kp_u_no_binary_format_encoder_for_typ; +static PyObject *__pyx_kp_u_no_codec_for_composite_attribute; +static PyObject *__pyx_kp_u_no_decoder_for_OID; +static PyObject *__pyx_kp_u_no_decoder_for_composite_type_el; +static PyObject *__pyx_kp_s_no_default___reduce___due_to_non; +static PyObject *__pyx_kp_u_no_encoder_for_OID; +static PyObject *__pyx_kp_u_non_homogeneous_array; +static PyObject *__pyx_n_s_normalize; +static PyObject *__pyx_kp_u_not_connected; +static PyObject *__pyx_n_u_ns; +static PyObject *__pyx_kp_u_number_of_array_dimensions_excee; +static PyObject *__pyx_n_u_numeric; +static PyObject *__pyx_n_s_object; +static PyObject *__pyx_n_s_oid; +static PyObject *__pyx_n_u_oid; +static PyObject *__pyx_kp_u_oid_2; +static PyObject *__pyx_n_s_on_error; +static PyObject *__pyx_kp_u_on_result__prepare_statement_is; +static PyObject *__pyx_kp_u_on_result_waiter_is_None; +static PyObject *__pyx_kp_u_on_result_waiter_is_done; +static PyObject *__pyx_n_s_on_timeout; +static PyObject *__pyx_n_s_on_waiter_completed; +static PyObject *__pyx_n_u_opaque; +static PyObject *__pyx_n_s_os; +static PyObject *__pyx_kp_b_p; +static PyObject *__pyx_kp_u_parse_data_msgs_first_message_i; +static PyObject *__pyx_kp_u_parse_data_msgs_result_is_not_a; +static PyObject *__pyx_n_s_password; +static PyObject *__pyx_n_u_password_iterations; +static PyObject *__pyx_n_u_password_salt; +static PyObject *__pyx_n_u_path; +static PyObject *__pyx_n_s_pause_reading; +static PyObject *__pyx_n_u_pg_catalog; +static PyObject *__pyx_kp_u_pg_contrib_hstore; +static PyObject *__pyx_n_u_pg_ddl_command; +static PyObject *__pyx_n_u_pg_dependencies; +static PyObject *__pyx_n_u_pg_lsn; +static PyObject *__pyx_n_u_pg_ndistinct; +static PyObject *__pyx_n_u_pg_node_tree; +static PyObject *__pyx_n_s_pickle; +static PyObject *__pyx_n_u_point; +static PyObject *__pyx_n_u_polygon; +static PyObject *__pyx_n_s_pop; +static PyObject *__pyx_n_s_portal_name; +static PyObject *__pyx_n_s_position; +static PyObject *__pyx_n_s_prepare; +static PyObject *__pyx_n_s_prepare_2; +static PyObject *__pyx_n_s_process_log_message; +static PyObject *__pyx_n_s_process_notification; +static PyObject *__pyx_n_s_protocol; +static PyObject *__pyx_kp_u_protocol_is_in_an_unexpected_st; +static PyObject *__pyx_n_s_pyx_PickleError; +static PyObject *__pyx_n_s_pyx_capi; +static PyObject *__pyx_n_s_pyx_checksum; +static PyObject *__pyx_n_s_pyx_result; +static PyObject *__pyx_n_s_pyx_state; +static PyObject *__pyx_n_s_pyx_type; +static PyObject *__pyx_n_s_pyx_unpickle_BaseProtocol; +static PyObject *__pyx_n_s_pyx_unpickle_CoreProtocol; +static PyObject *__pyx_n_s_pyx_unpickle_DataCodecConfig; +static PyObject *__pyx_n_s_pyx_vtable; +static PyObject *__pyx_n_s_qualname; +static PyObject *__pyx_n_s_query; +static PyObject *__pyx_n_b_r; +static PyObject *__pyx_kp_b_r_2; +static PyObject *__pyx_kp_b_r_3; +static PyObject *__pyx_kp_u_r_is_not_a_valid_element_of_com; +static PyObject *__pyx_n_s_range; +static PyObject *__pyx_n_u_range; +static PyObject *__pyx_n_u_range_subtype; +static PyObject *__pyx_n_s_re; +static PyObject *__pyx_n_s_reader; +static PyObject *__pyx_kp_u_reader_is_not_an_asynchronous_it; +static PyObject *__pyx_n_u_real; +static PyObject *__pyx_n_s_rec; +static PyObject *__pyx_n_u_record; +static PyObject *__pyx_n_s_record_stmt; +static PyObject *__pyx_n_s_records; +static PyObject *__pyx_n_s_reduce; +static PyObject *__pyx_n_s_reduce_cython; +static PyObject *__pyx_n_s_reduce_ex; +static PyObject *__pyx_n_s_ref; +static PyObject *__pyx_n_u_refcursor; +static PyObject *__pyx_n_u_regclass; +static PyObject *__pyx_n_u_regconfig; +static PyObject *__pyx_n_u_regdictionary; +static PyObject *__pyx_n_u_regnamespace; +static PyObject *__pyx_n_u_regoper; +static PyObject *__pyx_n_u_regoperator; +static PyObject *__pyx_n_u_regproc; +static PyObject *__pyx_n_u_regprocedure; +static PyObject *__pyx_n_u_regrole; +static PyObject *__pyx_n_u_regtype; +static PyObject *__pyx_n_s_release; +static PyObject *__pyx_n_u_reltime; +static PyObject *__pyx_n_s_remove_python_codec; +static PyObject *__pyx_n_s_request_cancel; +static PyObject *__pyx_n_s_resume_reading; +static PyObject *__pyx_n_s_return_extra; +static PyObject *__pyx_n_s_reversed; +static PyObject *__pyx_kp_b_s; +static PyObject *__pyx_n_s_s_2; +static PyObject *__pyx_n_u_s_2; +static PyObject *__pyx_n_u_scalar; +static PyObject *__pyx_n_s_schema; +static PyObject *__pyx_n_s_search; +static PyObject *__pyx_n_s_secrets; +static PyObject *__pyx_n_s_self; +static PyObject *__pyx_n_s_send; +static PyObject *__pyx_n_u_server_first_message; +static PyObject *__pyx_n_u_server_nonce; +static PyObject *__pyx_n_s_server_settings; +static PyObject *__pyx_n_s_set; +static PyObject *__pyx_n_s_set_builtin_type_codec; +static PyObject *__pyx_n_s_set_builtin_type_codec_2; +static PyObject *__pyx_n_s_set_exception; +static PyObject *__pyx_n_s_set_result; +static PyObject *__pyx_n_s_setsockopt; +static PyObject *__pyx_n_s_setstate; +static PyObject *__pyx_n_s_setstate_cython; +static PyObject *__pyx_n_s_sha256; +static PyObject *__pyx_n_u_shift_jis; +static PyObject *__pyx_n_u_shift_jis_2004; +static PyObject *__pyx_n_s_sink; +static PyObject *__pyx_n_u_sjis; +static PyObject *__pyx_n_u_smallint; +static PyObject *__pyx_n_u_smgr; +static PyObject *__pyx_n_s_socket; +static PyObject *__pyx_n_u_socket; +static PyObject *__pyx_kp_u_specified_array_dimensions_do_no; +static PyObject *__pyx_n_u_sql_ascii; +static PyObject *__pyx_n_s_started; +static PyObject *__pyx_n_s_startswith; +static PyObject *__pyx_n_s_state; +static PyObject *__pyx_n_s_stmt_name; +static PyObject *__pyx_n_s_stringprep; +static PyObject *__pyx_kp_s_stringsource; +static PyObject *__pyx_n_s_tb; +static PyObject *__pyx_n_u_tcvn; +static PyObject *__pyx_n_u_tcvn5712; +static PyObject *__pyx_n_s_test; +static PyObject *__pyx_n_u_text; +static PyObject *__pyx_kp_u_text_2; +static PyObject *__pyx_kp_u_text_binary_or_tuple; +static PyObject *__pyx_kp_u_text_or_binary; +static PyObject *__pyx_kp_u_text_or_binary_2; +static PyObject *__pyx_kp_u_the_number_of_columns_in_the_res; +static PyObject *__pyx_kp_u_the_number_of_query_arguments_ca; +static PyObject *__pyx_kp_u_the_server_expects_x_argument_s; +static PyObject *__pyx_kp_u_there_is_no; +static PyObject *__pyx_n_s_throw; +static PyObject *__pyx_n_u_tid; +static PyObject *__pyx_n_s_time; +static PyObject *__pyx_n_u_time; +static PyObject *__pyx_kp_u_time_with_timezone; +static PyObject *__pyx_n_s_timeout; +static PyObject *__pyx_n_u_timestamp; +static PyObject *__pyx_kp_u_timestamp_with_timezone; +static PyObject *__pyx_n_u_timestamptz; +static PyObject *__pyx_n_u_timetz; +static PyObject *__pyx_n_u_tinterval; +static PyObject *__pyx_kp_u_to; +static PyObject *__pyx_n_s_to_bytes; +static PyObject *__pyx_n_s_token_bytes; +static PyObject *__pyx_kp_u_too_many_elements_in_array_value; +static PyObject *__pyx_kp_u_too_many_elements_in_composite_t; +static PyObject *__pyx_n_u_trigger; +static PyObject *__pyx_n_u_tsm_handler; +static PyObject *__pyx_n_u_tsquery; +static PyObject *__pyx_n_u_tsvector; +static PyObject *__pyx_n_u_tuple; +static PyObject *__pyx_n_u_txid_snapshot; +static PyObject *__pyx_kp_u_type_does_not_support_the_tuple; +static PyObject *__pyx_kp_u_type_record_missing_base_type_fo; +static PyObject *__pyx_kp_u_type_record_missing_base_type_fo_2; +static PyObject *__pyx_kp_u_type_record_missing_field_types; +static PyObject *__pyx_n_s_typekind; +static PyObject *__pyx_n_s_typename; +static PyObject *__pyx_n_s_typeoid; +static PyObject *__pyx_n_s_types; +static PyObject *__pyx_n_s_typeschema; +static PyObject *__pyx_kp_u_unexpected_array_dimension_size; +static PyObject *__pyx_kp_u_unexpected_array_dimensions_valu; +static PyObject *__pyx_kp_u_unexpected_character_r_at_positi; +static PyObject *__pyx_kp_u_unexpected_codec_type; +static PyObject *__pyx_kp_u_unexpected_data_format; +static PyObject *__pyx_kp_u_unexpected_data_type_of_composit; +static PyObject *__pyx_kp_u_unexpected_end_of_string; +static PyObject *__pyx_kp_u_unexpected_exchange_format; +static PyObject *__pyx_kp_u_unexpected_instance_of_anyarray; +static PyObject *__pyx_kp_u_unexpected_number_of_attributes; +static PyObject *__pyx_kp_u_unexpected_trailing_bytes_in_buf; +static PyObject *__pyx_kp_u_unhandled_standard_data_type_r_O; +static PyObject *__pyx_n_u_unicode; +static PyObject *__pyx_n_s_unicodedata; +static PyObject *__pyx_n_u_unknown; +static PyObject *__pyx_kp_u_unknown_error_in_protocol_implem; +static PyObject *__pyx_kp_u_unsupported_SASL_Authentication; +static PyObject *__pyx_kp_u_unsupported_authentication_metho; +static PyObject *__pyx_kp_u_unsupported_authentication_metho_2; +static PyObject *__pyx_n_s_update; +static PyObject *__pyx_n_s_upper; +static PyObject *__pyx_n_s_upper_inc; +static PyObject *__pyx_n_s_urandom; +static PyObject *__pyx_n_s_user; +static PyObject *__pyx_n_u_user; +static PyObject *__pyx_kp_u_utf_8; +static PyObject *__pyx_n_u_utf_8_2; +static PyObject *__pyx_n_u_uuid; +static PyObject *__pyx_kp_b_v; +static PyObject *__pyx_n_s_v_2; +static PyObject *__pyx_n_u_varbit; +static PyObject *__pyx_n_u_varchar; +static PyObject *__pyx_n_u_void; +static PyObject *__pyx_n_u_vscii; +static PyObject *__pyx_n_s_w; +static PyObject *__pyx_n_s_wait; +static PyObject *__pyx_n_s_wait_for; +static PyObject *__pyx_n_s_wait_for_cancellation; +static PyObject *__pyx_kp_u_waiter_is_not_done_while_handlin; +static PyObject *__pyx_n_u_was; +static PyObject *__pyx_n_s_weakref; +static PyObject *__pyx_n_u_were; +static PyObject *__pyx_n_u_win; +static PyObject *__pyx_n_u_win1250; +static PyObject *__pyx_n_u_win1251; +static PyObject *__pyx_n_u_win1252; +static PyObject *__pyx_n_u_win1253; +static PyObject *__pyx_n_u_win1254; +static PyObject *__pyx_n_u_win1255; +static PyObject *__pyx_n_u_win1256; +static PyObject *__pyx_n_u_win1257; +static PyObject *__pyx_n_u_win1258; +static PyObject *__pyx_n_u_win866; +static PyObject *__pyx_n_u_win874; +static PyObject *__pyx_n_u_win932; +static PyObject *__pyx_n_u_win936; +static PyObject *__pyx_n_u_win949; +static PyObject *__pyx_n_u_win950; +static PyObject *__pyx_n_u_windows1250; +static PyObject *__pyx_n_u_windows1251; +static PyObject *__pyx_n_u_windows1252; +static PyObject *__pyx_n_u_windows1253; +static PyObject *__pyx_n_u_windows1254; +static PyObject *__pyx_n_u_windows1255; +static PyObject *__pyx_n_u_windows1256; +static PyObject *__pyx_n_u_windows1257; +static PyObject *__pyx_n_u_windows1258; +static PyObject *__pyx_n_u_windows866; +static PyObject *__pyx_n_u_windows874; +static PyObject *__pyx_n_u_windows932; +static PyObject *__pyx_n_u_windows936; +static PyObject *__pyx_n_u_windows949; +static PyObject *__pyx_n_u_windows950; +static PyObject *__pyx_n_s_write; +static PyObject *__pyx_n_s_writing_allowed; +static PyObject *__pyx_n_s_x; +static PyObject *__pyx_n_s_xformat; +static PyObject *__pyx_n_u_xid; +static PyObject *__pyx_n_u_xml; +static PyObject *__pyx_n_s_y; +static PyObject *__pyx_kp_u_you_need_values_from_server_to_g; +static PyObject *__pyx_n_s_zip; +static int __pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings___cinit__(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_conn_key); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_2get_text_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_4register_data_types(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_types); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_6add_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_encoder, PyObject *__pyx_v_decoder, PyObject *__pyx_v_format); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_8remove_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_10clear_type_cache(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_12set_builtin_type_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_alias_to, PyObject *__pyx_v_format); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_14get_data_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, uint32_t __pyx_v_oid, enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __pyx_v_format); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_16__getattr__(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, PyObject *__pyx_v_name); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_18__repr__(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_20__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_18ConnectionSettings_22__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_5Codec___cinit__(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, uint32_t __pyx_v_oid); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_5Codec_2__repr__(struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_5Codec_4__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_5Codec_6__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_Codec *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig___init__(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_cache_key); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_2add_types(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v_types); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_4add_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_encoder, PyObject *__pyx_v_decoder, PyObject *__pyx_v_format, PyObject *__pyx_v_xformat); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_6remove_python_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v_typeoid, CYTHON_UNUSED PyObject *__pyx_v_typename, CYTHON_UNUSED PyObject *__pyx_v_typeschema); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_8_set_builtin_type_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_alias_to, PyObject *__pyx_v_format); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_10set_builtin_type_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v_typeoid, PyObject *__pyx_v_typename, PyObject *__pyx_v_typeschema, PyObject *__pyx_v_typekind, PyObject *__pyx_v_alias_to, PyObject *__pyx_v_format); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_12clear_type_cache(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_14declare_fallback_codec(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, uint32_t __pyx_v_oid, PyObject *__pyx_v_name, PyObject *__pyx_v_schema); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_16__reduce_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_15DataCodecConfig_18__setstate_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication___cinit__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, PyObject *__pyx_v_authentication_method); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_10_bytes_xor_genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19_normalize_password_genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19_normalize_password_3genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19_normalize_password_6genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19_normalize_password_9genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_21authentication_method___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_21authorization_message___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_22client_channel_binding___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_25client_first_message_bare___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12client_nonce___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12client_proof___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_13password_salt___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19password_iterations___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_20server_first_message___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_10server_key___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12server_nonce___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_2__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_4__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_12CoreProtocol___init__(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v_con_params); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12CoreProtocol_11backend_pid___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12CoreProtocol_14backend_secret___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12CoreProtocol_2__reduce_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12CoreProtocol_4__setstate_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState___cinit__(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_query, struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_protocol); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_2_get_parameters(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_4_get_attributes(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_6_init_types(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_8_init_codecs(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_10attach(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_12detach(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_14mark_closed(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_4name___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_5query___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_6closed___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_4refs___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_16__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_22PreparedStatementState_18__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol___init__(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_addr, PyObject *__pyx_v_connected_fut, PyObject *__pyx_v_con_params, PyObject *__pyx_v_loop); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_2set_connection(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_connection); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_4get_server_pid(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_6get_settings(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_8is_in_transaction(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_10prepare(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_stmt_name, PyObject *__pyx_v_query, PyObject *__pyx_v_timeout, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_13bind_execute(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state, PyObject *__pyx_v_args, PyObject *__pyx_v_portal_name, int __pyx_v_limit, PyObject *__pyx_v_return_extra, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_17bind_execute_many_genexpr(PyObject *__pyx_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_16bind_execute_many(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state, PyObject *__pyx_v_args, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_19bind(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state, PyObject *__pyx_v_args, PyObject *__pyx_v_portal_name, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_22execute(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state, PyObject *__pyx_v_portal_name, int __pyx_v_limit, PyObject *__pyx_v_return_extra, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_25query(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_query, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_lambda_funcdef_lambda6(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_f); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_28copy_out(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_copy_stmt, PyObject *__pyx_v_sink, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_lambda_funcdef_lambda7(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_f); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_31copy_in(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_copy_stmt, PyObject *__pyx_v_reader, PyObject *__pyx_v_data, PyObject *__pyx_v_records, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_record_stmt, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_34close_statement(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *__pyx_v_state, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_37is_closed(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_39is_connected(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_41abort(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_43close(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_46_request_cancel(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_48_on_timeout(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_fut); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_50_on_waiter_completed(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_fut); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_52_create_future_fallback(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_54_get_timeout(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_timeout); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_56_is_cancelling(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_58_wait_for_cancellation(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_61data_received(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_data); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_63connection_made(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_transport); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_65connection_lost(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v_exc); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_67pause_writing(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_69resume_writing(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_13queries_count___get__(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_71__reduce_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_12BaseProtocol_73__setstate_cython__(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static PyObject *__pyx_pf_7asyncpg_8protocol_8protocol_5Timer___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_budget); 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if (unlikely(!__pyx_t_15)) __PYX_ERR(3, 6, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_15); + __pyx_v__dict = __pyx_t_15; + __pyx_t_15 = 0; + + /* "(tree fragment)":7 + * state = (self._discard_data, self._execute_iter, self._execute_portal_name, self._execute_stmt_name, self._skip_discard, self.address, self.backend_pid, self.backend_secret, self.buffer, self.cancel_sent_waiter, self.cancel_waiter, self.closing, self.completed_callback, self.con_params, self.con_status, self.conref, self.create_future, self.encoding, self.is_reading, self.last_query, self.loop, self.queries_count, self.result, self.result_execute_completed, self.result_param_desc, self.result_row_desc, self.result_status_msg, self.result_type, self.return_extra, self.scram, self.settings, self.state, self.statement, self.timeout_callback, self.timeout_handle, self.transport, self.waiter, self.writing_paused, self.xact_status) + * _dict = getattr(self, '__dict__', None) + * if _dict is not None: # <<<<<<<<<<<<<< + * state += (_dict,) + * use_setstate = True + */ + __pyx_t_16 = (__pyx_v__dict != Py_None); 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+static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_DataCodecConfig __pyx_vtable_7asyncpg_8protocol_8protocol_DataCodecConfig; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_DataCodecConfig(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *p; + PyObject *o; + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_8protocol_8protocol_DataCodecConfig; + p->_derived_type_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_custom_type_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_DataCodecConfig(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)o; + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + PyObject_GC_UnTrack(o); + Py_CLEAR(p->_derived_type_codecs); + Py_CLEAR(p->_custom_type_codecs); + (*Py_TYPE(o)->tp_free)(o); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_DataCodecConfig(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)o; + if (p->_derived_type_codecs) { + e = (*v)(p->_derived_type_codecs, a); if (e) return e; + } + if (p->_custom_type_codecs) { + e = (*v)(p->_custom_type_codecs, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_DataCodecConfig(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)o; + tmp = ((PyObject*)p->_derived_type_codecs); + p->_derived_type_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_custom_type_codecs); + p->_custom_type_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_DataCodecConfig[] = { + {"add_types", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_3add_types, METH_O, 0}, + {"add_python_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_5add_python_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"remove_python_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_7remove_python_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"_set_builtin_type_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_9_set_builtin_type_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"set_builtin_type_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_11set_builtin_type_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"clear_type_cache", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_13clear_type_cache, METH_NOARGS, 0}, + {"declare_fallback_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_15declare_fallback_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_17__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_19__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_DataCodecConfig = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.DataCodecConfig", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_DataCodecConfig, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_DataCodecConfig, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_DataCodecConfig, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_DataCodecConfig, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7asyncpg_8protocol_8protocol_15DataCodecConfig_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_DataCodecConfig, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_ConnectionSettings __pyx_vtable_7asyncpg_8protocol_8protocol_ConnectionSettings; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_ConnectionSettings(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *p; + PyObject *o = __pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_new(t, a, k); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)o); + p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_7asyncpg_7pgproto_7pgproto_CodecContext*)__pyx_vtabptr_7asyncpg_8protocol_8protocol_ConnectionSettings; + p->_encoding = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_codec = Py_None; Py_INCREF(Py_None); + p->_settings = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_data_codecs = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)Py_None); Py_INCREF(Py_None); + if (unlikely(__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_1__cinit__(o, a, k) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_ConnectionSettings(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->_encoding); + Py_CLEAR(p->_codec); + Py_CLEAR(p->_settings); + Py_CLEAR(p->_data_codecs); + #if CYTHON_USE_TYPE_SLOTS + if (PyType_IS_GC(Py_TYPE(o)->tp_base)) + #endif + PyObject_GC_Track(o); + if (likely(__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext)) __pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_dealloc(o); else __Pyx_call_next_tp_dealloc(o, __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_ConnectionSettings); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_ConnectionSettings(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)o; + e = ((likely(__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext)) ? ((__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_traverse) ? __pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_traverse(o, v, a) : 0) : __Pyx_call_next_tp_traverse(o, v, a, __pyx_tp_traverse_7asyncpg_8protocol_8protocol_ConnectionSettings)); if (e) return e; + if (p->_codec) { + e = (*v)(p->_codec, a); if (e) return e; + } + if (p->_settings) { + e = (*v)(p->_settings, a); if (e) return e; + } + if (p->_data_codecs) { + e = (*v)(((PyObject *)p->_data_codecs), a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_ConnectionSettings(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)o; + if (likely(__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext)) { if (__pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_clear) __pyx_ptype_7asyncpg_7pgproto_7pgproto_CodecContext->tp_clear(o); } else __Pyx_call_next_tp_clear(o, __pyx_tp_clear_7asyncpg_8protocol_8protocol_ConnectionSettings); + tmp = ((PyObject*)p->_codec); + p->_codec = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_settings); + p->_settings = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_data_codecs); + p->_data_codecs = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_DataCodecConfig *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_tp_getattro_7asyncpg_8protocol_8protocol_ConnectionSettings(PyObject *o, PyObject *n) { + PyObject *v = __Pyx_PyObject_GenericGetAttrNoDict(o, n); + if (!v && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Clear(); + v = __pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_17__getattr__(o, n); + } + return v; +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_ConnectionSettings[] = { + {"get_text_codec", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_3get_text_codec, METH_NOARGS, 0}, + {"register_data_types", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_5register_data_types, METH_O, 0}, + {"add_python_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_7add_python_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"remove_python_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_9remove_python_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"clear_type_cache", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_11clear_type_cache, METH_NOARGS, 0}, + {"set_builtin_type_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_13set_builtin_type_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"get_data_codec", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_15get_data_codec, METH_VARARGS|METH_KEYWORDS, 0}, + {"__getattr__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_17__getattr__, METH_O|METH_COEXIST, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_21__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_23__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_ConnectionSettings = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.ConnectionSettings", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + __pyx_pw_7asyncpg_8protocol_8protocol_18ConnectionSettings_19__repr__, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + __pyx_tp_getattro_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_ConnectionSettings, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_SCRAMAuthentication __pyx_vtable_7asyncpg_8protocol_8protocol_SCRAMAuthentication; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_SCRAMAuthentication(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *p; + PyObject *o; + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_8protocol_8protocol_SCRAMAuthentication; + p->authentication_method = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->authorization_message = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->client_channel_binding = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->client_first_message_bare = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->client_nonce = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->client_proof = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->password_salt = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->server_first_message = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->server_key = Py_None; Py_INCREF(Py_None); + p->server_nonce = ((PyObject*)Py_None); Py_INCREF(Py_None); + if (unlikely(__pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_1__cinit__(o, a, k) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_SCRAMAuthentication(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->authentication_method); + Py_CLEAR(p->authorization_message); + Py_CLEAR(p->client_channel_binding); + Py_CLEAR(p->client_first_message_bare); + Py_CLEAR(p->client_nonce); + Py_CLEAR(p->client_proof); + Py_CLEAR(p->password_salt); + Py_CLEAR(p->server_first_message); + Py_CLEAR(p->server_key); + Py_CLEAR(p->server_nonce); + (*Py_TYPE(o)->tp_free)(o); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_SCRAMAuthentication(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)o; + if (p->server_key) { + e = (*v)(p->server_key, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_SCRAMAuthentication(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)o; + tmp = ((PyObject*)p->server_key); + p->server_key = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_authentication_method(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_21authentication_method_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_authorization_message(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_21authorization_message_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_channel_binding(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_22client_channel_binding_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_first_message_bare(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_25client_first_message_bare_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_nonce(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12client_nonce_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_proof(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12client_proof_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_password_salt(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_13password_salt_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_password_iterations(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_19password_iterations_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_first_message(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_20server_first_message_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_key(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_10server_key_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_nonce(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_12server_nonce_1__get__(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_SCRAMAuthentication[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7asyncpg_8protocol_8protocol_SCRAMAuthentication[] = { + {(char *)"authentication_method", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_authentication_method, 0, (char *)0, 0}, + {(char *)"authorization_message", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_authorization_message, 0, (char *)0, 0}, + {(char *)"client_channel_binding", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_channel_binding, 0, (char *)0, 0}, + {(char *)"client_first_message_bare", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_first_message_bare, 0, (char *)0, 0}, + {(char *)"client_nonce", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_nonce, 0, (char *)0, 0}, + {(char *)"client_proof", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_client_proof, 0, (char *)0, 0}, + {(char *)"password_salt", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_password_salt, 0, (char *)0, 0}, + {(char *)"password_iterations", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_password_iterations, 0, (char *)0, 0}, + {(char *)"server_first_message", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_first_message, 0, (char *)0, 0}, + {(char *)"server_key", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_key, 0, (char *)0, 0}, + {(char *)"server_nonce", __pyx_getprop_7asyncpg_8protocol_8protocol_19SCRAMAuthentication_server_nonce, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_SCRAMAuthentication = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.SCRAMAuthentication", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + "Contains the protocol for generating and a SCRAM hashed password.\n\n Since PostgreSQL 10, the option to hash passwords using the SCRAM-SHA-256\n method was added. This module follows the defined protocol, which can be\n referenced from here:\n\n https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256\n\n libpq references the following RFCs that it uses for implementation:\n\n * RFC 5802\n * RFC 5803\n * RFC 7677\n\n The protocol works as such:\n\n - A client connets to the server. The server requests the client to begin\n SASL authentication using SCRAM and presents a client with the methods it\n supports. At present, those are SCRAM-SHA-256, and, on servers that are\n built with OpenSSL and\n are PG11+, SCRAM-SHA-256-PLUS (which supports channel binding, more on that\n below)\n\n - The client sends a \"first message\" to the server, where it chooses which\n method to authenticate with, and sends, along with the method, an indication\n of channel binding (we disable for now), a nonce, and the username.\n (Technically, PostgreSQL ignores the username as it already has it from the\n initical connection, but we add it for completeness)\n\n - The server responds with a \"first message\" in which it extends the nonce,\n as well as a password salt and the number of iterations to hash the password\n with. The client validates that the new nonce contains the first part of the\n client's original nonce\n\n - The client generates a salted password, but does not sent this up to the\n server. Instead, the client follows the SCRAM algorithm (RFC5802) to\n generate a proof. This proof is sent aspart of a client \"final message\" to\n the server for it to validate.\n\n - The server validates the proof. If it is valid, the server sends a\n verification code for the client to verify that the server came to the same\n proof the client did. PostgreSQL i""mmediately sends an AuthenticationOK\n response right after a valid negotiation. If the password the client\n provided was invalid, then authentication fails.\n\n (The beauty of this is that the salted password is never transmitted over\n the wire!)\n\n PostgreSQL 11 added support for the channel binding (i.e.\n SCRAM-SHA-256-PLUS) but to do some ongoing discussion, there is a conscious\n decision by several driver authors to not support it as of yet. As such, the\n channel binding parameter is hard-coded to \"n\" for now, but can be updated\n to support other channel binding methos in the future\n ", /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_SCRAMAuthentication, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol __pyx_vtable_7asyncpg_8protocol_8protocol_CoreProtocol; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_CoreProtocol(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *p; + PyObject *o; + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_8protocol_8protocol_CoreProtocol; + p->buffer = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)Py_None); Py_INCREF(Py_None); + p->_execute_iter = Py_None; Py_INCREF(Py_None); + p->_execute_portal_name = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_execute_stmt_name = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->encoding = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->transport = Py_None; Py_INCREF(Py_None); + p->con_params = Py_None; Py_INCREF(Py_None); + p->scram = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)Py_None); Py_INCREF(Py_None); + p->result = Py_None; Py_INCREF(Py_None); + p->result_param_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->result_row_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->result_status_msg = ((PyObject*)Py_None); Py_INCREF(Py_None); + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_CoreProtocol(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *)o; + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + PyObject_GC_UnTrack(o); + Py_CLEAR(p->buffer); + Py_CLEAR(p->_execute_iter); + Py_CLEAR(p->_execute_portal_name); + Py_CLEAR(p->_execute_stmt_name); + Py_CLEAR(p->encoding); + Py_CLEAR(p->transport); + Py_CLEAR(p->con_params); + Py_CLEAR(p->scram); + Py_CLEAR(p->result); + Py_CLEAR(p->result_param_desc); + Py_CLEAR(p->result_row_desc); + Py_CLEAR(p->result_status_msg); + (*Py_TYPE(o)->tp_free)(o); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_CoreProtocol(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *)o; + if (p->buffer) { + e = (*v)(((PyObject *)p->buffer), a); if (e) return e; + } + if (p->_execute_iter) { + e = (*v)(p->_execute_iter, a); if (e) return e; + } + if (p->transport) { + e = (*v)(p->transport, a); if (e) return e; + } + if (p->con_params) { + e = (*v)(p->con_params, a); if (e) return e; + } + if (p->scram) { + e = (*v)(((PyObject *)p->scram), a); if (e) return e; + } + if (p->result) { + e = (*v)(p->result, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_CoreProtocol(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol *)o; + tmp = ((PyObject*)p->buffer); + p->buffer = ((struct __pyx_obj_7asyncpg_7pgproto_7pgproto_ReadBuffer *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_execute_iter); + p->_execute_iter = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->transport); + p->transport = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->con_params); + p->con_params = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->scram); + p->scram = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->result); + p->result = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_12CoreProtocol_backend_pid(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_12CoreProtocol_11backend_pid_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_12CoreProtocol_backend_secret(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_12CoreProtocol_14backend_secret_1__get__(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_CoreProtocol[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12CoreProtocol_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12CoreProtocol_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7asyncpg_8protocol_8protocol_CoreProtocol[] = { + {(char *)"backend_pid", __pyx_getprop_7asyncpg_8protocol_8protocol_12CoreProtocol_backend_pid, 0, (char *)0, 0}, + {(char *)"backend_secret", __pyx_getprop_7asyncpg_8protocol_8protocol_12CoreProtocol_backend_secret, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_CoreProtocol = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.CoreProtocol", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_CoreProtocol), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7asyncpg_8protocol_8protocol_12CoreProtocol_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_CoreProtocol, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_PreparedStatementState __pyx_vtable_7asyncpg_8protocol_8protocol_PreparedStatementState; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_PreparedStatementState(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *p; + PyObject *o; + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)o); + p->__pyx_vtab = __pyx_vtabptr_7asyncpg_8protocol_8protocol_PreparedStatementState; + p->name = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->query = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->row_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->parameters_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->settings = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)Py_None); Py_INCREF(Py_None); + p->args_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->cols_desc = Py_None; Py_INCREF(Py_None); + p->rows_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + if (unlikely(__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_1__cinit__(o, a, k) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_PreparedStatementState(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->name); + Py_CLEAR(p->query); + Py_CLEAR(p->row_desc); + Py_CLEAR(p->parameters_desc); + Py_CLEAR(p->settings); + Py_CLEAR(p->args_codecs); + Py_CLEAR(p->cols_desc); + Py_CLEAR(p->rows_codecs); + (*Py_TYPE(o)->tp_free)(o); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_PreparedStatementState(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)o; + if (p->row_desc) { + e = (*v)(p->row_desc, a); if (e) return e; + } + if (p->parameters_desc) { + e = (*v)(p->parameters_desc, a); if (e) return e; + } + if (p->settings) { + e = (*v)(((PyObject *)p->settings), a); if (e) return e; + } + if (p->args_codecs) { + e = (*v)(p->args_codecs, a); if (e) return e; + } + if (p->cols_desc) { + e = (*v)(p->cols_desc, a); if (e) return e; + } + if (p->rows_codecs) { + e = (*v)(p->rows_codecs, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_PreparedStatementState(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)o; + tmp = ((PyObject*)p->row_desc); + p->row_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->parameters_desc); + p->parameters_desc = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->settings); + p->settings = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->args_codecs); + p->args_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->cols_desc); + p->cols_desc = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->rows_codecs); + p->rows_codecs = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_name(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_4name_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_query(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_5query_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_closed(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_6closed_1__get__(o); +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_refs(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_4refs_1__get__(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_PreparedStatementState[] = { + {"_get_parameters", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_3_get_parameters, METH_NOARGS, 0}, + {"_get_attributes", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_5_get_attributes, METH_NOARGS, 0}, + {"_init_types", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_7_init_types, METH_NOARGS, 0}, + {"_init_codecs", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_9_init_codecs, METH_NOARGS, 0}, + {"attach", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_11attach, METH_NOARGS, 0}, + {"detach", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_13detach, METH_NOARGS, 0}, + {"mark_closed", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_15mark_closed, METH_NOARGS, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_17__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_22PreparedStatementState_19__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7asyncpg_8protocol_8protocol_PreparedStatementState[] = { + {(char *)"name", __pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_name, 0, (char *)0, 0}, + {(char *)"query", __pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_query, 0, (char *)0, 0}, + {(char *)"closed", __pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_closed, 0, (char *)0, 0}, + {(char *)"refs", __pyx_getprop_7asyncpg_8protocol_8protocol_22PreparedStatementState_refs, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_PreparedStatementState = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.PreparedStatementState", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_PreparedStatementState, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_BaseProtocol __pyx_vtable_7asyncpg_8protocol_8protocol_BaseProtocol; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol_BaseProtocol(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *p; + PyObject *o = __pyx_tp_new_7asyncpg_8protocol_8protocol_CoreProtocol(t, a, k); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *)o); + p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_7asyncpg_8protocol_8protocol_CoreProtocol*)__pyx_vtabptr_7asyncpg_8protocol_8protocol_BaseProtocol; + p->loop = Py_None; Py_INCREF(Py_None); + p->address = Py_None; Py_INCREF(Py_None); + p->settings = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)Py_None); Py_INCREF(Py_None); + p->cancel_sent_waiter = Py_None; Py_INCREF(Py_None); + p->cancel_waiter = Py_None; Py_INCREF(Py_None); + p->waiter = Py_None; Py_INCREF(Py_None); + p->create_future = Py_None; Py_INCREF(Py_None); + p->timeout_handle = Py_None; Py_INCREF(Py_None); + p->timeout_callback = Py_None; Py_INCREF(Py_None); + p->completed_callback = Py_None; Py_INCREF(Py_None); + p->conref = Py_None; Py_INCREF(Py_None); + p->last_query = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->statement = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)Py_None); Py_INCREF(Py_None); + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_BaseProtocol(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *)o; + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + PyObject_GC_UnTrack(o); + Py_CLEAR(p->loop); + Py_CLEAR(p->address); + Py_CLEAR(p->settings); + Py_CLEAR(p->cancel_sent_waiter); + Py_CLEAR(p->cancel_waiter); + Py_CLEAR(p->waiter); + Py_CLEAR(p->create_future); + Py_CLEAR(p->timeout_handle); + Py_CLEAR(p->timeout_callback); + Py_CLEAR(p->completed_callback); + Py_CLEAR(p->conref); + Py_CLEAR(p->last_query); + Py_CLEAR(p->statement); + PyObject_GC_Track(o); + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_CoreProtocol(o); +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol_BaseProtocol(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *)o; + e = __pyx_tp_traverse_7asyncpg_8protocol_8protocol_CoreProtocol(o, v, a); if (e) return e; + if (p->loop) { + e = (*v)(p->loop, a); if (e) return e; + } + if (p->address) { + e = (*v)(p->address, a); if (e) return e; + } + if (p->settings) { + e = (*v)(((PyObject *)p->settings), a); if (e) return e; + } + if (p->cancel_sent_waiter) { + e = (*v)(p->cancel_sent_waiter, a); if (e) return e; + } + if (p->cancel_waiter) { + e = (*v)(p->cancel_waiter, a); if (e) return e; + } + if (p->waiter) { + e = (*v)(p->waiter, a); if (e) return e; + } + if (p->create_future) { + e = (*v)(p->create_future, a); if (e) return e; + } + if (p->timeout_handle) { + e = (*v)(p->timeout_handle, a); if (e) return e; + } + if (p->timeout_callback) { + e = (*v)(p->timeout_callback, a); if (e) return e; + } + if (p->completed_callback) { + e = (*v)(p->completed_callback, a); if (e) return e; + } + if (p->conref) { + e = (*v)(p->conref, a); if (e) return e; + } + if (p->statement) { + e = (*v)(((PyObject *)p->statement), a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol_BaseProtocol(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol *)o; + __pyx_tp_clear_7asyncpg_8protocol_8protocol_CoreProtocol(o); + tmp = ((PyObject*)p->loop); + p->loop = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->address); + p->address = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->settings); + p->settings = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_ConnectionSettings *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->cancel_sent_waiter); + p->cancel_sent_waiter = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->cancel_waiter); + p->cancel_waiter = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->waiter); + p->waiter = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->create_future); + p->create_future = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->timeout_handle); + p->timeout_handle = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->timeout_callback); + p->timeout_callback = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->completed_callback); + p->completed_callback = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->conref); + p->conref = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->statement); + p->statement = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_PreparedStatementState *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_getprop_7asyncpg_8protocol_8protocol_12BaseProtocol_queries_count(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_13queries_count_1__get__(o); +} + +static PyMethodDef __pyx_methods_7asyncpg_8protocol_8protocol_BaseProtocol[] = { + {"set_connection", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_3set_connection, METH_O, 0}, + {"get_server_pid", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_5get_server_pid, METH_NOARGS, 0}, + {"get_settings", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_7get_settings, METH_NOARGS, 0}, + {"is_in_transaction", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_9is_in_transaction, METH_NOARGS, 0}, + {"prepare", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_11prepare, METH_VARARGS|METH_KEYWORDS, 0}, + {"bind_execute", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_14bind_execute, METH_VARARGS|METH_KEYWORDS, 0}, + {"bind_execute_many", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_17bind_execute_many, METH_VARARGS|METH_KEYWORDS, 0}, + {"bind", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_20bind, METH_VARARGS|METH_KEYWORDS, 0}, + {"execute", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_23execute, METH_VARARGS|METH_KEYWORDS, 0}, + {"query", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_26query, METH_VARARGS|METH_KEYWORDS, 0}, + {"copy_out", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_29copy_out, METH_VARARGS|METH_KEYWORDS, 0}, + {"copy_in", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_32copy_in, METH_VARARGS|METH_KEYWORDS, 0}, + {"close_statement", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_35close_statement, METH_VARARGS|METH_KEYWORDS, 0}, + {"is_closed", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_38is_closed, METH_NOARGS, 0}, + {"is_connected", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_40is_connected, METH_NOARGS, 0}, + {"abort", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_42abort, METH_NOARGS, 0}, + {"close", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_44close, METH_O, 0}, + {"_request_cancel", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_47_request_cancel, METH_NOARGS, 0}, + {"_on_timeout", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_49_on_timeout, METH_O, 0}, + {"_on_waiter_completed", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_51_on_waiter_completed, METH_O, 0}, + {"_create_future_fallback", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_53_create_future_fallback, METH_NOARGS, 0}, + {"_get_timeout", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_55_get_timeout, METH_O, 0}, + {"_is_cancelling", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_57_is_cancelling, METH_NOARGS, 0}, + {"_wait_for_cancellation", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_59_wait_for_cancellation, METH_NOARGS, 0}, + {"data_received", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_62data_received, METH_O, 0}, + {"connection_made", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_64connection_made, METH_O, 0}, + {"connection_lost", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_66connection_lost, METH_O, 0}, + {"pause_writing", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_68pause_writing, METH_NOARGS, 0}, + {"resume_writing", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_70resume_writing, METH_NOARGS, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_72__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_74__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7asyncpg_8protocol_8protocol_BaseProtocol[] = { + {(char *)"queries_count", __pyx_getprop_7asyncpg_8protocol_8protocol_12BaseProtocol_queries_count, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol_BaseProtocol = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.BaseProtocol", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol_BaseProtocol), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7asyncpg_8protocol_8protocol_12BaseProtocol_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol_BaseProtocol, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor)); + (void) PyObject_INIT(o, t); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor *)o; + Py_CLEAR(p->__pyx_v_a); + Py_CLEAR(p->__pyx_v_b); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct___bytes_xor", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct___bytes_xor, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_a_i); + Py_CLEAR(p->__pyx_v_b_i); + Py_CLEAR(p->__pyx_t_0); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_a_i) { + e = (*v)(p->__pyx_v_a_i, a); if (e) return e; + } + if (p->__pyx_v_b_i) { + e = (*v)(p->__pyx_v_b_i, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_1_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_1_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_c); + Py_CLEAR(p->__pyx_v_normalized_password); + Py_CLEAR(p->__pyx_v_normalized_password_tuple); + Py_CLEAR(p->__pyx_v_self); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *)o; + if (p->__pyx_v_c) { + e = (*v)(p->__pyx_v_c, a); if (e) return e; + } + if (p->__pyx_v_normalized_password_tuple) { + e = (*v)(p->__pyx_v_normalized_password_tuple, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password *)o; + tmp = ((PyObject*)p->__pyx_v_c); + p->__pyx_v_c = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->__pyx_v_normalized_password_tuple); + p->__pyx_v_normalized_password_tuple = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->__pyx_v_self); + p->__pyx_v_self = ((struct __pyx_obj_7asyncpg_8protocol_8protocol_SCRAMAuthentication *)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_2__normalize_password", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password, /*tp_traverse*/ + __pyx_tp_clear_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_2__normalize_password, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_c); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_c) { + e = (*v)(p->__pyx_v_c, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_3_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_3_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_in_prohibited_table); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_in_prohibited_table) { + e = (*v)(p->__pyx_v_in_prohibited_table, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_4_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_4_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_c); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_c) { + e = (*v)(p->__pyx_v_c, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_5_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_5_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_c); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_c) { + e = (*v)(p->__pyx_v_c, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_6_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_6_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_query); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_stmt_name); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare *)o; + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_query) { + e = (*v)(p->__pyx_v_query, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_stmt_name) { + e = (*v)(p->__pyx_v_stmt_name, a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_7_prepare", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_7_prepare, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_args); + Py_CLEAR(p->__pyx_v_args_buf); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_portal_name); + Py_CLEAR(p->__pyx_v_return_extra); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute *)o; + if (p->__pyx_v_args) { + e = (*v)(p->__pyx_v_args, a); if (e) return e; + } + if (p->__pyx_v_args_buf) { + e = (*v)(p->__pyx_v_args_buf, a); if (e) return e; + } + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_return_extra) { + e = (*v)(p->__pyx_v_return_extra, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_8_bind_execute", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_8_bind_execute, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_arg_bufs); + Py_CLEAR(p->__pyx_v_args); + Py_CLEAR(p->__pyx_v_data_gen); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_genexpr); + Py_CLEAR(p->__pyx_v_portal_name); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many *)o; + if (p->__pyx_v_arg_bufs) { + e = (*v)(p->__pyx_v_arg_bufs, a); if (e) return e; + } + if (p->__pyx_v_args) { + e = (*v)(p->__pyx_v_args, a); if (e) return e; + } + if (p->__pyx_v_data_gen) { + e = (*v)(p->__pyx_v_data_gen, a); if (e) return e; + } + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_genexpr) { + e = (*v)(p->__pyx_v_genexpr, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_9_bind_execute_many", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_9_bind_execute_many, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_b); + Py_CLEAR(p->__pyx_t_0); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_b) { + e = (*v)(p->__pyx_v_b, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_10_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_10_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_args); + Py_CLEAR(p->__pyx_v_args_buf); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_portal_name); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind *)o; + if (p->__pyx_v_args) { + e = (*v)(p->__pyx_v_args, a); if (e) return e; + } + if (p->__pyx_v_args_buf) { + e = (*v)(p->__pyx_v_args_buf, a); if (e) return e; + } + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_11_bind", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_11_bind, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_portal_name); + Py_CLEAR(p->__pyx_v_return_extra); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute *)o; + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_return_extra) { + e = (*v)(p->__pyx_v_return_extra, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_12_execute", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_12_execute, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_query); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query *)o; + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_query) { + e = (*v)(p->__pyx_v_query, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_13_query", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_13_query, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_buffer); + Py_CLEAR(p->__pyx_v_copy_stmt); + Py_CLEAR(p->__pyx_v_done); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_sink); + Py_CLEAR(p->__pyx_v_status_msg); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_timer); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + Py_CLEAR(p->__pyx_t_6); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out *)o; + if (p->__pyx_v_buffer) { + e = (*v)(p->__pyx_v_buffer, a); if (e) return e; + } + if (p->__pyx_v_copy_stmt) { + e = (*v)(p->__pyx_v_copy_stmt, a); if (e) return e; + } + if (p->__pyx_v_done) { + e = (*v)(p->__pyx_v_done, a); if (e) return e; + } + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_sink) { + e = (*v)(p->__pyx_v_sink, a); if (e) return e; + } + if (p->__pyx_v_status_msg) { + e = (*v)(p->__pyx_v_status_msg, a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_timer) { + e = (*v)(p->__pyx_v_timer, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + if (p->__pyx_t_6) { + e = (*v)(p->__pyx_t_6, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_14_copy_out", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_14_copy_out, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_aiter); + Py_CLEAR(p->__pyx_v_chunk); + Py_CLEAR(p->__pyx_v_codec); + Py_CLEAR(p->__pyx_v_codecs); + Py_CLEAR(p->__pyx_v_copy_stmt); + Py_CLEAR(p->__pyx_v_data); + Py_CLEAR(p->__pyx_v_e); + Py_CLEAR(p->__pyx_v_item); + Py_CLEAR(p->__pyx_v_iterator); + Py_CLEAR(p->__pyx_v_reader); + Py_CLEAR(p->__pyx_v_record_stmt); + Py_CLEAR(p->__pyx_v_records); + Py_CLEAR(p->__pyx_v_row); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_settings); + Py_CLEAR(p->__pyx_v_status_msg); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_timer); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_v_wbuf); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_6); + Py_CLEAR(p->__pyx_t_7); + Py_CLEAR(p->__pyx_t_8); + Py_CLEAR(p->__pyx_t_9); + Py_CLEAR(p->__pyx_t_10); + Py_CLEAR(p->__pyx_t_11); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in *)o; + if (p->__pyx_v_aiter) { + e = (*v)(p->__pyx_v_aiter, a); if (e) return e; + } + if (p->__pyx_v_chunk) { + e = (*v)(p->__pyx_v_chunk, a); if (e) return e; + } + if (p->__pyx_v_codec) { + e = (*v)(((PyObject *)p->__pyx_v_codec), a); if (e) return e; + } + if (p->__pyx_v_codecs) { + e = (*v)(p->__pyx_v_codecs, a); if (e) return e; + } + if (p->__pyx_v_copy_stmt) { + e = (*v)(p->__pyx_v_copy_stmt, a); if (e) return e; + } + if (p->__pyx_v_data) { + e = (*v)(p->__pyx_v_data, a); if (e) return e; + } + if (p->__pyx_v_e) { + e = (*v)(p->__pyx_v_e, a); if (e) return e; + } + if (p->__pyx_v_item) { + e = (*v)(p->__pyx_v_item, a); if (e) return e; + } + if (p->__pyx_v_iterator) { + e = (*v)(p->__pyx_v_iterator, a); if (e) return e; + } + if (p->__pyx_v_reader) { + e = (*v)(p->__pyx_v_reader, a); if (e) return e; + } + if (p->__pyx_v_record_stmt) { + e = (*v)(((PyObject *)p->__pyx_v_record_stmt), a); if (e) return e; + } + if (p->__pyx_v_records) { + e = (*v)(p->__pyx_v_records, a); if (e) return e; + } + if (p->__pyx_v_row) { + e = (*v)(p->__pyx_v_row, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_settings) { + e = (*v)(((PyObject *)p->__pyx_v_settings), a); if (e) return e; + } + if (p->__pyx_v_status_msg) { + e = (*v)(p->__pyx_v_status_msg, a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_timer) { + e = (*v)(p->__pyx_v_timer, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_v_wbuf) { + e = (*v)(((PyObject *)p->__pyx_v_wbuf), a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_6) { + e = (*v)(p->__pyx_t_6, a); if (e) return e; + } + if (p->__pyx_t_7) { + e = (*v)(p->__pyx_t_7, a); if (e) return e; + } + if (p->__pyx_t_8) { + e = (*v)(p->__pyx_t_8, a); if (e) return e; + } + if (p->__pyx_t_9) { + e = (*v)(p->__pyx_t_9, a); if (e) return e; + } + if (p->__pyx_t_10) { + e = (*v)(p->__pyx_t_10, a); if (e) return e; + } + if (p->__pyx_t_11) { + e = (*v)(p->__pyx_t_11, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_15_copy_in", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_15_copy_in, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_ex); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_state); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_v_waiter); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + Py_CLEAR(p->__pyx_t_3); + Py_CLEAR(p->__pyx_t_4); + Py_CLEAR(p->__pyx_t_5); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement *)o; + if (p->__pyx_v_ex) { + e = (*v)(p->__pyx_v_ex, a); if (e) return e; + } + if (p->__pyx_v_self) { + e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e; + } + if (p->__pyx_v_state) { + e = (*v)(((PyObject *)p->__pyx_v_state), a); if (e) return e; + } + if (p->__pyx_v_timeout) { + e = (*v)(p->__pyx_v_timeout, a); if (e) return e; + } + if (p->__pyx_v_waiter) { + e = (*v)(p->__pyx_v_waiter, a); if (e) return e; + } + if (p->__pyx_t_0) { + e = (*v)(p->__pyx_t_0, a); if (e) return e; + } + if (p->__pyx_t_1) { + e = (*v)(p->__pyx_t_1, a); if (e) return e; + } + if (p->__pyx_t_2) { + e = (*v)(p->__pyx_t_2, a); if (e) return e; + } + if (p->__pyx_t_3) { + e = (*v)(p->__pyx_t_3, a); if (e) return e; + } + if (p->__pyx_t_4) { + e = (*v)(p->__pyx_t_4, a); if (e) return e; + } + if (p->__pyx_t_5) { + e = (*v)(p->__pyx_t_5, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement = { + PyVarObject_HEAD_INIT(0, 0) + "asyncpg.protocol.protocol.__pyx_scope_struct_16_close_statement", /*tp_name*/ + sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_16_close_statement, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, 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*t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_self); + Py_CLEAR(p->__pyx_v_timeout); + Py_CLEAR(p->__pyx_t_0); + Py_CLEAR(p->__pyx_t_1); + Py_CLEAR(p->__pyx_t_2); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close)))) { + __pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close[__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close++] = ((struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_17_close *)o; + if (p->__pyx_v_self) { 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/*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation *__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation[8]; +static int __pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation = 0; + +static PyObject *__pyx_tp_new_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation)))) { + o = (PyObject*)__pyx_freelist_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation[--__pyx_freecount_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation]; + memset(o, 0, sizeof(struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation(PyObject *o) { + struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation *p = (struct __pyx_obj_7asyncpg_8protocol_8protocol___pyx_scope_struct_18__wait_for_cancellation *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_self); + if (CYTHON_COMPILING_IN_CPYTHON && 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specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); 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+ if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* BytesEquals */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else + if (s1 == s2) { + return (equals == Py_EQ); + } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) { + const char *ps1, *ps2; + Py_ssize_t length = PyBytes_GET_SIZE(s1); + if (length != PyBytes_GET_SIZE(s2)) + return (equals == Py_NE); + ps1 = PyBytes_AS_STRING(s1); + ps2 = PyBytes_AS_STRING(s2); + if (ps1[0] != ps2[0]) { + return (equals == Py_NE); + } else if (length == 1) { + return (equals == Py_EQ); + } else { + int result; +#if CYTHON_USE_UNICODE_INTERNALS + Py_hash_t hash1, hash2; + hash1 = ((PyBytesObject*)s1)->ob_shash; + hash2 = ((PyBytesObject*)s2)->ob_shash; + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + return (equals == Py_NE); + } +#endif + result = memcmp(ps1, ps2, (size_t)length); + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) { + return (equals == Py_NE); + } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) { + return (equals == Py_NE); + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +#endif +} + +/* UnicodeEquals */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else +#if PY_MAJOR_VERSION < 3 + PyObject* owned_ref = NULL; +#endif + int s1_is_unicode, s2_is_unicode; + if (s1 == s2) { + goto return_eq; + } + s1_is_unicode = PyUnicode_CheckExact(s1); + s2_is_unicode = PyUnicode_CheckExact(s2); +#if PY_MAJOR_VERSION < 3 + if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) { + owned_ref = PyUnicode_FromObject(s2); + if (unlikely(!owned_ref)) + return -1; + s2 = owned_ref; + s2_is_unicode = 1; + } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) { + owned_ref = PyUnicode_FromObject(s1); + if (unlikely(!owned_ref)) + return -1; + s1 = owned_ref; + s1_is_unicode = 1; + } else if (((!s2_is_unicode) & (!s1_is_unicode))) { + return __Pyx_PyBytes_Equals(s1, s2, equals); + } +#endif + if (s1_is_unicode & s2_is_unicode) { + Py_ssize_t length; + int kind; + void *data1, *data2; + if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0)) + return -1; + length = __Pyx_PyUnicode_GET_LENGTH(s1); + if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) { + goto return_ne; + } +#if CYTHON_USE_UNICODE_INTERNALS + { + Py_hash_t hash1, hash2; + #if CYTHON_PEP393_ENABLED + hash1 = ((PyASCIIObject*)s1)->hash; + hash2 = ((PyASCIIObject*)s2)->hash; + #else + hash1 = ((PyUnicodeObject*)s1)->hash; + hash2 = ((PyUnicodeObject*)s2)->hash; + #endif + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + goto return_ne; + } + } +#endif + kind = __Pyx_PyUnicode_KIND(s1); + if (kind != __Pyx_PyUnicode_KIND(s2)) { + goto return_ne; + } + data1 = __Pyx_PyUnicode_DATA(s1); + data2 = __Pyx_PyUnicode_DATA(s2); + if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) { + goto return_ne; + } else if (length == 1) { + goto return_eq; + } else { + int result = memcmp(data1, data2, (size_t)(length * kind)); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & s2_is_unicode) { + goto return_ne; + } else if ((s2 == Py_None) & s1_is_unicode) { + goto return_ne; + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +return_eq: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ); +return_ne: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_NE); +#endif +} + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* DictGetItem */ +#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY +static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) { + PyObject *value; + value = PyDict_GetItemWithError(d, key); + if (unlikely(!value)) { + if (!PyErr_Occurred()) { + if (unlikely(PyTuple_Check(key))) { + PyObject* args = PyTuple_Pack(1, key); + if (likely(args)) { + PyErr_SetObject(PyExc_KeyError, args); + Py_DECREF(args); + } + } else { + PyErr_SetObject(PyExc_KeyError, key); + } + } + return NULL; + } + Py_INCREF(value); + return value; +} +#endif + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* GetItemInt */ +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { + PyObject *r; + if (!j) return NULL; + r = PyObject_GetItem(o, j); + Py_DECREF(j); + return r; +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyList_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyTuple_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS + if (is_list || PyList_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); + if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { + PyObject *r = PyList_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } + else if (PyTuple_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); + if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } else { + PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; + if (likely(m && m->sq_item)) { + if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { + Py_ssize_t l = m->sq_length(o); + if (likely(l >= 0)) { + i += l; + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + } + return m->sq_item(o, i); + } + } +#else + if (is_list || PySequence_Check(o)) { + return PySequence_GetItem(o, i); + } +#endif + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +/* ObjectGetItem */ +#if CYTHON_USE_TYPE_SLOTS +static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) { + PyObject *runerr; + Py_ssize_t key_value; + PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence; + if (unlikely(!(m && m->sq_item))) { + PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name); + return NULL; + } + key_value = __Pyx_PyIndex_AsSsize_t(index); + if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) { + return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1); + } + if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) { + PyErr_Clear(); + PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name); + } + return NULL; +} +static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) { + PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping; + if (likely(m && m->mp_subscript)) { + return m->mp_subscript(obj, key); + } + return __Pyx_PyObject_GetIndex(obj, key); +} +#endif + +/* ExtTypeTest */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) { + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + if (likely(__Pyx_TypeCheck(obj, type))) + return 1; + PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s", + Py_TYPE(obj)->tp_name, type->tp_name); + return 0; +} + +/* SliceObject */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj, + Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice, + int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) { +#if CYTHON_USE_TYPE_SLOTS + PyMappingMethods* mp; +#if PY_MAJOR_VERSION < 3 + PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence; + if (likely(ms && ms->sq_slice)) { + if (!has_cstart) { + if (_py_start && (*_py_start != Py_None)) { + cstart = __Pyx_PyIndex_AsSsize_t(*_py_start); + if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstart = 0; + } + if (!has_cstop) { + if (_py_stop && (*_py_stop != Py_None)) { + cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop); + if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstop = PY_SSIZE_T_MAX; + } + if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) { + Py_ssize_t l = ms->sq_length(obj); + if (likely(l >= 0)) { + if (cstop < 0) { + cstop += l; + if (cstop < 0) cstop = 0; + } + if (cstart < 0) { + cstart += l; + if (cstart < 0) cstart = 0; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + goto bad; + PyErr_Clear(); + } + } + return ms->sq_slice(obj, cstart, cstop); + } +#endif + mp = Py_TYPE(obj)->tp_as_mapping; + if (likely(mp && mp->mp_subscript)) +#endif + { + PyObject* result; + PyObject *py_slice, *py_start, *py_stop; + if (_py_slice) { + py_slice = *_py_slice; + } else { + PyObject* owned_start = NULL; + PyObject* owned_stop = NULL; + if (_py_start) { + py_start = *_py_start; + } else { + if (has_cstart) { + owned_start = py_start = PyInt_FromSsize_t(cstart); + if (unlikely(!py_start)) goto bad; + } else + py_start = Py_None; + } + if (_py_stop) { + py_stop = *_py_stop; + } else { + if (has_cstop) { + owned_stop = py_stop = PyInt_FromSsize_t(cstop); + if (unlikely(!py_stop)) { + Py_XDECREF(owned_start); + goto bad; + } + } else + py_stop = Py_None; + } + py_slice = PySlice_New(py_start, py_stop, Py_None); + Py_XDECREF(owned_start); + Py_XDECREF(owned_stop); + if (unlikely(!py_slice)) goto bad; + } +#if CYTHON_USE_TYPE_SLOTS + result = mp->mp_subscript(obj, py_slice); +#else + result = PyObject_GetItem(obj, py_slice); +#endif + if (!_py_slice) { + Py_DECREF(py_slice); + } + return result; + } + PyErr_Format(PyExc_TypeError, + "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name); +bad: + return NULL; +} + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long x; + long a = PyInt_AS_LONG(op1); + x = (long)((unsigned long)a + b); + if (likely((x^a) >= 0 || (x^b) >= 0)) + return PyInt_FromLong(x); + return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + const long b = intval; + long a, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG llb = intval; + PY_LONG_LONG lla, llx; +#endif + const digit* digits = ((PyLongObject*)op1)->ob_digit; + const Py_ssize_t size = Py_SIZE(op1); + if (likely(__Pyx_sst_abs(size) <= 1)) { + a = likely(size) ? digits[0] : 0; + if (size == -1) a = -a; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + } + x = a + b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla + llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + if (PyFloat_CheckExact(op1)) { + const long b = intval; + double a = PyFloat_AS_DOUBLE(op1); + double result; + PyFPE_START_PROTECT("add", return NULL) + result = ((double)a) + (double)b; + PyFPE_END_PROTECT(result) + return PyFloat_FromDouble(result); + } + return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2); +} +#endif + +/* py_dict_pop */ +static CYTHON_INLINE PyObject *__Pyx_PyDict_Pop(PyObject *d, PyObject *key, PyObject *default_value) { +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX > 0x030600B3 + if ((1)) { + return _PyDict_Pop(d, key, default_value); + } else +#endif + if (default_value) { + return __Pyx_CallUnboundCMethod2(&__pyx_umethod_PyDict_Type_pop, d, key, default_value); + } else { + return __Pyx_CallUnboundCMethod1(&__pyx_umethod_PyDict_Type_pop, d, key); + } +} + +/* JoinPyUnicode */ +static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength, + CYTHON_UNUSED Py_UCS4 max_char) { +#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + PyObject *result_uval; + int result_ukind; + Py_ssize_t i, char_pos; + void *result_udata; +#if CYTHON_PEP393_ENABLED + result_uval = PyUnicode_New(result_ulength, max_char); + if (unlikely(!result_uval)) return NULL; + result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND; + result_udata = PyUnicode_DATA(result_uval); +#else + result_uval = PyUnicode_FromUnicode(NULL, result_ulength); + if (unlikely(!result_uval)) return NULL; + result_ukind = sizeof(Py_UNICODE); + result_udata = PyUnicode_AS_UNICODE(result_uval); +#endif + char_pos = 0; + for (i=0; i < value_count; i++) { + int ukind; + Py_ssize_t ulength; + void *udata; + PyObject *uval = PyTuple_GET_ITEM(value_tuple, i); + if (unlikely(__Pyx_PyUnicode_READY(uval))) + goto bad; + ulength = __Pyx_PyUnicode_GET_LENGTH(uval); + if (unlikely(!ulength)) + continue; + if (unlikely(char_pos + ulength < 0)) + goto overflow; + ukind = __Pyx_PyUnicode_KIND(uval); + udata = __Pyx_PyUnicode_DATA(uval); + if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) { + memcpy((char *)result_udata + char_pos * result_ukind, udata, (size_t) (ulength * result_ukind)); + } else { + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters) + _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength); + #else + Py_ssize_t j; + for (j=0; j < ulength; j++) { + Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j); + __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar); + } + #endif + } + char_pos += ulength; + } + return result_uval; +overflow: + PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string"); +bad: + Py_DECREF(result_uval); + return NULL; +#else + result_ulength++; + value_count++; + return PyUnicode_Join(__pyx_empty_unicode, value_tuple); +#endif +} + +/* ArgTypeTest */ +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact) +{ + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + else if (exact) { + #if PY_MAJOR_VERSION == 2 + if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1; + #endif + } + else { + if (likely(__Pyx_TypeCheck(obj, type))) return 1; + } + PyErr_Format(PyExc_TypeError, + "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)", + name, type->tp_name, Py_TYPE(obj)->tp_name); + return 0; +} + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* SwapException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = *type; + exc_info->exc_value = *value; + exc_info->exc_traceback = *tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = *type; + tstate->exc_value = *value; + tstate->exc_traceback = *tb; + #endif + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb); + PyErr_SetExcInfo(*type, *value, *tb); + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#endif + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long x; + long a = PyInt_AS_LONG(op1); + x = (long)((unsigned long)a - b); + if (likely((x^a) >= 0 || (x^~b) >= 0)) + return PyInt_FromLong(x); + return PyLong_Type.tp_as_number->nb_subtract(op1, op2); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + const long b = intval; + long a, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG llb = intval; + PY_LONG_LONG lla, llx; +#endif + const digit* digits = ((PyLongObject*)op1)->ob_digit; + const Py_ssize_t size = Py_SIZE(op1); + if (likely(__Pyx_sst_abs(size) <= 1)) { + a = likely(size) ? digits[0] : 0; + if (size == -1) a = -a; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_subtract(op1, op2); + } + } + x = a - b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla - llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + if (PyFloat_CheckExact(op1)) { + const long b = intval; + double a = PyFloat_AS_DOUBLE(op1); + double result; + PyFPE_START_PROTECT("subtract", return NULL) + result = ((double)a) - (double)b; + PyFPE_END_PROTECT(result) + return PyFloat_FromDouble(result); + } + return (inplace ? PyNumber_InPlaceSubtract : PyNumber_Subtract)(op1, op2); +} +#endif + +/* None */ +static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) { + PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname); +} + +/* WriteUnraisableException */ +static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno, + CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename, + int full_traceback, CYTHON_UNUSED int nogil) { + PyObject *old_exc, *old_val, *old_tb; + PyObject *ctx; + __Pyx_PyThreadState_declare +#ifdef WITH_THREAD + PyGILState_STATE state; + if (nogil) + state = PyGILState_Ensure(); +#ifdef _MSC_VER + else state = (PyGILState_STATE)-1; +#endif +#endif + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&old_exc, &old_val, &old_tb); + if (full_traceback) { + Py_XINCREF(old_exc); + Py_XINCREF(old_val); + Py_XINCREF(old_tb); + __Pyx_ErrRestore(old_exc, old_val, old_tb); + PyErr_PrintEx(1); + } + #if PY_MAJOR_VERSION < 3 + ctx = PyString_FromString(name); + #else + ctx = PyUnicode_FromString(name); + #endif + __Pyx_ErrRestore(old_exc, old_val, old_tb); + if (!ctx) { + PyErr_WriteUnraisable(Py_None); + } else { + PyErr_WriteUnraisable(ctx); + Py_DECREF(ctx); + } +#ifdef WITH_THREAD + if (nogil) + PyGILState_Release(state); +#endif +} + +/* PyIntBinop */ +#if !CYTHON_COMPILING_IN_PYPY +static PyObject* __Pyx_PyInt_AddCObj(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) { + (void)inplace; + (void)zerodivision_check; + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op2))) { + const long a = intval; + long x; + long b = PyInt_AS_LONG(op2); + x = (long)((unsigned long)a + b); + if (likely((x^a) >= 0 || (x^b) >= 0)) + return PyInt_FromLong(x); + return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op2))) { + const long a = intval; + long b, x; +#ifdef HAVE_LONG_LONG + const PY_LONG_LONG lla = intval; + PY_LONG_LONG llb, llx; +#endif + const digit* digits = ((PyLongObject*)op2)->ob_digit; + const Py_ssize_t size = Py_SIZE(op2); + if (likely(__Pyx_sst_abs(size) <= 1)) { + b = likely(size) ? digits[0] : 0; + if (size == -1) b = -b; + } else { + switch (size) { + case -2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + b = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 2: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + b = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + b = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 3: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + b = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case -4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + b = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + llb = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + case 4: + if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + b = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])); + break; +#ifdef HAVE_LONG_LONG + } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) { + llb = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0])); + goto long_long; +#endif + } + CYTHON_FALLTHROUGH; + default: return PyLong_Type.tp_as_number->nb_add(op1, op2); + } + } + x = a + b; + return PyLong_FromLong(x); +#ifdef HAVE_LONG_LONG + long_long: + llx = lla + llb; + return PyLong_FromLongLong(llx); +#endif + + + } + #endif + if (PyFloat_CheckExact(op2)) { + const long a = intval; + double b = PyFloat_AS_DOUBLE(op2); + double result; + PyFPE_START_PROTECT("add", return NULL) + result = ((double)a) + (double)b; + PyFPE_END_PROTECT(result) + return PyFloat_FromDouble(result); + } + return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2); +} +#endif + +/* bytes_tailmatch */ +static int __Pyx_PyBytes_SingleTailmatch(PyObject* self, PyObject* arg, + Py_ssize_t start, Py_ssize_t end, int direction) { + const char* self_ptr = PyBytes_AS_STRING(self); + Py_ssize_t self_len = PyBytes_GET_SIZE(self); + const char* sub_ptr; + Py_ssize_t sub_len; + int retval; + Py_buffer view; + view.obj = NULL; + if ( PyBytes_Check(arg) ) { + sub_ptr = PyBytes_AS_STRING(arg); + sub_len = PyBytes_GET_SIZE(arg); + } +#if PY_MAJOR_VERSION < 3 + else if ( PyUnicode_Check(arg) ) { + return (int) PyUnicode_Tailmatch(self, arg, start, end, direction); + } +#endif + else { + if (unlikely(PyObject_GetBuffer(self, &view, PyBUF_SIMPLE) == -1)) + return -1; + sub_ptr = (const char*) view.buf; + sub_len = view.len; + } + if (end > self_len) + end = self_len; + else if (end < 0) + end += self_len; + if (end < 0) + end = 0; + if (start < 0) + start += self_len; + if (start < 0) + start = 0; + if (direction > 0) { + if (end-sub_len > start) + start = end - sub_len; + } + if (start + sub_len <= end) + retval = !memcmp(self_ptr+start, sub_ptr, (size_t)sub_len); + else + retval = 0; + if (view.obj) + PyBuffer_Release(&view); + return retval; +} +static int __Pyx_PyBytes_TailmatchTuple(PyObject* self, PyObject* substrings, + Py_ssize_t start, Py_ssize_t end, int direction) { + Py_ssize_t i, count = PyTuple_GET_SIZE(substrings); + for (i = 0; i < count; i++) { + int result; +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + result = __Pyx_PyBytes_SingleTailmatch(self, PyTuple_GET_ITEM(substrings, i), + start, end, direction); +#else + PyObject* sub = PySequence_ITEM(substrings, i); + if (unlikely(!sub)) return -1; + result = __Pyx_PyBytes_SingleTailmatch(self, sub, start, end, direction); + Py_DECREF(sub); +#endif + if (result) { + return result; + } + } + return 0; +} +static int __Pyx_PyBytes_Tailmatch(PyObject* self, PyObject* substr, + Py_ssize_t start, Py_ssize_t end, int direction) { + if (unlikely(PyTuple_Check(substr))) { + return __Pyx_PyBytes_TailmatchTuple(self, substr, start, end, direction); + } + return __Pyx_PyBytes_SingleTailmatch(self, substr, start, end, direction); +} + +/* None */ +static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) { + PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname); +} + +/* RaiseTooManyValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { + PyErr_Format(PyExc_ValueError, + "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected); +} + +/* RaiseNeedMoreValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { + PyErr_Format(PyExc_ValueError, + "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack", + index, (index == 1) ? "" : "s"); +} + +/* IterFinish */ +static CYTHON_INLINE int __Pyx_IterFinish(void) { +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* exc_type = tstate->curexc_type; + if (unlikely(exc_type)) { + if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) { + PyObject *exc_value, *exc_tb; + exc_value = tstate->curexc_value; + exc_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; + Py_DECREF(exc_type); + Py_XDECREF(exc_value); + Py_XDECREF(exc_tb); + return 0; + } else { + return -1; + } + } + return 0; +#else + if (unlikely(PyErr_Occurred())) { + if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) { + PyErr_Clear(); + return 0; + } else { + return -1; + } + } + return 0; +#endif +} + +/* UnpackItemEndCheck */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) { + if (unlikely(retval)) { + Py_DECREF(retval); + __Pyx_RaiseTooManyValuesError(expected); + return -1; + } else { + return __Pyx_IterFinish(); + } + return 0; +} + +/* PyObjectSetAttrStr */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) { + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_setattro)) + return tp->tp_setattro(obj, attr_name, value); +#if PY_MAJOR_VERSION < 3 + if (likely(tp->tp_setattr)) + return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value); +#endif + return PyObject_SetAttr(obj, attr_name, value); +} +#endif + +/* PyObjectFormatAndDecref */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatSimpleAndDecref(PyObject* s, PyObject* f) { + if (unlikely(!s)) return NULL; + if (likely(PyUnicode_CheckExact(s))) return s; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_CheckExact(s))) { + PyObject *result = PyUnicode_FromEncodedObject(s, NULL, "strict"); + Py_DECREF(s); + return result; + } + #endif + return __Pyx_PyObject_FormatAndDecref(s, f); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_FormatAndDecref(PyObject* s, PyObject* f) { + PyObject *result = PyObject_Format(s, f); + Py_DECREF(s); + return result; +} + +/* CIntToDigits */ +static const char DIGIT_PAIRS_10[2*10*10+1] = { + "00010203040506070809" + "10111213141516171819" + "20212223242526272829" + "30313233343536373839" + "40414243444546474849" + "50515253545556575859" + "60616263646566676869" + "70717273747576777879" + "80818283848586878889" + "90919293949596979899" +}; +static const char DIGIT_PAIRS_8[2*8*8+1] = { + "0001020304050607" + "1011121314151617" + "2021222324252627" + "3031323334353637" + "4041424344454647" + "5051525354555657" + "6061626364656667" + "7071727374757677" +}; +static const char DIGITS_HEX[2*16+1] = { + "0123456789abcdef" + "0123456789ABCDEF" +}; + +/* BuildPyUnicode */ +static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength, + int prepend_sign, char padding_char) { + PyObject *uval; + Py_ssize_t uoffset = ulength - clength; +#if CYTHON_USE_UNICODE_INTERNALS + Py_ssize_t i; +#if CYTHON_PEP393_ENABLED + void *udata; + uval = PyUnicode_New(ulength, 127); + if (unlikely(!uval)) return NULL; + udata = PyUnicode_DATA(uval); +#else + Py_UNICODE *udata; + uval = PyUnicode_FromUnicode(NULL, ulength); + if (unlikely(!uval)) return NULL; + udata = PyUnicode_AS_UNICODE(uval); +#endif + if (uoffset > 0) { + i = 0; + if (prepend_sign) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-'); + i++; + } + for (; i < uoffset; i++) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char); + } + } + for (i=0; i < clength; i++) { + __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]); + } +#else + { + PyObject *sign = NULL, *padding = NULL; + uval = NULL; + if (uoffset > 0) { + prepend_sign = !!prepend_sign; + if (uoffset > prepend_sign) { + padding = PyUnicode_FromOrdinal(padding_char); + if (likely(padding) && uoffset > prepend_sign + 1) { + PyObject *tmp; + PyObject *repeat = PyInt_FromSize_t(uoffset - prepend_sign); + if (unlikely(!repeat)) goto done_or_error; + tmp = PyNumber_Multiply(padding, repeat); + Py_DECREF(repeat); + Py_DECREF(padding); + padding = tmp; + } + if (unlikely(!padding)) goto done_or_error; + } + if (prepend_sign) { + sign = PyUnicode_FromOrdinal('-'); + if (unlikely(!sign)) goto done_or_error; + } + } + uval = PyUnicode_DecodeASCII(chars, clength, NULL); + if (likely(uval) && padding) { + PyObject *tmp = PyNumber_Add(padding, uval); + Py_DECREF(uval); + uval = tmp; + } + if (likely(uval) && sign) { + PyObject *tmp = PyNumber_Add(sign, uval); + Py_DECREF(uval); + uval = tmp; + } +done_or_error: + Py_XDECREF(padding); + Py_XDECREF(sign); + } +#endif + return uval; +} + +/* CIntToPyUnicode */ +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned short uint16_t; + #else + typedef unsigned __int16 uint16_t; + #endif + #endif +#else + #include +#endif +#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) +#define GCC_DIAGNOSTIC +#endif +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState value, Py_ssize_t width, char padding_char, char format_char) { + char digits[sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)*3+2]; + char *dpos, *end = digits + sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)*3+2; + const char *hex_digits = DIGITS_HEX; + Py_ssize_t length, ulength; + int prepend_sign, last_one_off; + enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState remaining; +#ifdef GCC_DIAGNOSTIC +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wconversion" +#endif + const enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1, const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0; +#ifdef GCC_DIAGNOSTIC +#pragma GCC diagnostic pop +#endif + const int is_unsigned = neg_one > const_zero; + if (format_char == 'X') { + hex_digits += 16; + format_char = 'x'; + } + remaining = value; + last_one_off = 0; + dpos = end; + do { + int digit_pos; + switch (format_char) { + case 'o': + digit_pos = abs((int)(remaining % (8*8))); + remaining = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (remaining / (8*8)); + dpos -= 2; + *(uint16_t*)dpos = ((const uint16_t*)DIGIT_PAIRS_8)[digit_pos]; + last_one_off = (digit_pos < 8); + break; + case 'd': + digit_pos = abs((int)(remaining % (10*10))); + remaining = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (remaining / (10*10)); + dpos -= 2; + *(uint16_t*)dpos = ((const uint16_t*)DIGIT_PAIRS_10)[digit_pos]; + last_one_off = (digit_pos < 10); + break; + case 'x': + *(--dpos) = hex_digits[abs((int)(remaining % 16))]; + remaining = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (remaining / 16); + break; + default: + assert(0); + break; + } + } while (unlikely(remaining != 0)); + if (last_one_off) { + assert(*dpos == '0'); + dpos++; + } + length = end - dpos; + ulength = length; + prepend_sign = 0; + if (!is_unsigned && value <= neg_one) { + if (padding_char == ' ' || width <= length + 1) { + *(--dpos) = '-'; + ++length; + } else { + prepend_sign = 1; + } + ++ulength; + } + if (width > ulength) { + ulength = width; + } + if (ulength == 1) { + return PyUnicode_FromOrdinal(*dpos); + } + return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char); +} + +/* IterNext */ +static PyObject *__Pyx_PyIter_Next2Default(PyObject* defval) { + PyObject* exc_type; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + exc_type = __Pyx_PyErr_Occurred(); + if (unlikely(exc_type)) { + if (!defval || unlikely(!__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(defval); + return defval; + } + if (defval) { + Py_INCREF(defval); + return defval; + } + __Pyx_PyErr_SetNone(PyExc_StopIteration); + return NULL; +} +static void __Pyx_PyIter_Next_ErrorNoIterator(PyObject *iterator) { + PyErr_Format(PyExc_TypeError, + "%.200s object is not an iterator", Py_TYPE(iterator)->tp_name); +} +static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject* iterator, PyObject* defval) { + PyObject* next; + iternextfunc iternext = Py_TYPE(iterator)->tp_iternext; + if (likely(iternext)) { +#if CYTHON_USE_TYPE_SLOTS + next = iternext(iterator); + if (likely(next)) + return next; + #if PY_VERSION_HEX >= 0x02070000 + if (unlikely(iternext == &_PyObject_NextNotImplemented)) + return NULL; + #endif +#else + next = PyIter_Next(iterator); + if (likely(next)) + return next; +#endif + } else if (CYTHON_USE_TYPE_SLOTS || unlikely(!PyIter_Check(iterator))) { + __Pyx_PyIter_Next_ErrorNoIterator(iterator); + return NULL; + } +#if !CYTHON_USE_TYPE_SLOTS + else { + next = PyIter_Next(iterator); + if (likely(next)) + return next; + } +#endif + return __Pyx_PyIter_Next2Default(defval); +} + +/* decode_c_bytes */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes( + const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + if (unlikely((start < 0) | (stop < 0))) { + if (start < 0) { + start += length; + if (start < 0) + start = 0; + } + if (stop < 0) + stop += length; + } + if (stop > length) + stop = length; + if (unlikely(stop <= start)) + return PyUnicode_FromUnicode(NULL, 0); + length = stop - start; + cstring += start; + if (decode_func) { + return decode_func(cstring, length, errors); + } else { + return PyUnicode_Decode(cstring, length, encoding, errors); + } +} + +/* PyObjectGetMethod */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) { + PyObject *attr; +#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP + PyTypeObject *tp = Py_TYPE(obj); + PyObject *descr; + descrgetfunc f = NULL; + PyObject **dictptr, *dict; + int meth_found = 0; + assert (*method == NULL); + if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) { + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; + } + if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) { + return 0; + } + descr = _PyType_Lookup(tp, name); + if (likely(descr != NULL)) { + Py_INCREF(descr); +#if PY_MAJOR_VERSION >= 3 + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type))) + #endif +#else + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr))) + #endif +#endif + { + meth_found = 1; + } else { + f = Py_TYPE(descr)->tp_descr_get; + if (f != NULL && PyDescr_IsData(descr)) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + } + } + dictptr = _PyObject_GetDictPtr(obj); + if (dictptr != NULL && (dict = *dictptr) != NULL) { + Py_INCREF(dict); + attr = __Pyx_PyDict_GetItemStr(dict, name); + if (attr != NULL) { + Py_INCREF(attr); + Py_DECREF(dict); + Py_XDECREF(descr); + goto try_unpack; + } + Py_DECREF(dict); + } + if (meth_found) { + *method = descr; + return 1; + } + if (f != NULL) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + if (descr != NULL) { + *method = descr; + return 0; + } + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(name)); +#endif + return 0; +#else + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; +#endif +try_unpack: +#if CYTHON_UNPACK_METHODS + if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) { + PyObject *function = PyMethod_GET_FUNCTION(attr); + Py_INCREF(function); + Py_DECREF(attr); + *method = function; + return 1; + } +#endif + *method = attr; + return 0; +} + +/* PyObjectCallMethod0 */ +static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) { + PyObject *method = NULL, *result = NULL; + int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method); + if (likely(is_method)) { + result = __Pyx_PyObject_CallOneArg(method, obj); + Py_DECREF(method); + return result; + } + if (unlikely(!method)) goto bad; + result = __Pyx_PyObject_CallNoArg(method); + Py_DECREF(method); +bad: + return result; +} + +/* RaiseNoneIterError */ +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) { + PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); +} + +/* UnpackTupleError */ +static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) { + if (t == Py_None) { + __Pyx_RaiseNoneNotIterableError(); + } else if (PyTuple_GET_SIZE(t) < index) { + __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t)); + } else { + __Pyx_RaiseTooManyValuesError(index); + } +} + +/* UnpackTuple2 */ +static CYTHON_INLINE int __Pyx_unpack_tuple2_exact( + PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2, int decref_tuple) { + PyObject *value1 = NULL, *value2 = NULL; +#if CYTHON_COMPILING_IN_PYPY + value1 = PySequence_ITEM(tuple, 0); if (unlikely(!value1)) goto bad; + value2 = PySequence_ITEM(tuple, 1); if (unlikely(!value2)) goto bad; +#else + value1 = PyTuple_GET_ITEM(tuple, 0); Py_INCREF(value1); + value2 = PyTuple_GET_ITEM(tuple, 1); Py_INCREF(value2); +#endif + if (decref_tuple) { + Py_DECREF(tuple); + } + *pvalue1 = value1; + *pvalue2 = value2; + return 0; +#if CYTHON_COMPILING_IN_PYPY +bad: + Py_XDECREF(value1); + Py_XDECREF(value2); + if (decref_tuple) { Py_XDECREF(tuple); } + return -1; +#endif +} +static int __Pyx_unpack_tuple2_generic(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2, + int has_known_size, int decref_tuple) { + Py_ssize_t index; + PyObject *value1 = NULL, *value2 = NULL, *iter = NULL; + iternextfunc iternext; + iter = PyObject_GetIter(tuple); + if (unlikely(!iter)) goto bad; + if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; } + iternext = Py_TYPE(iter)->tp_iternext; + value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; } + value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; } + if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad; + Py_DECREF(iter); + *pvalue1 = value1; + *pvalue2 = value2; + return 0; +unpacking_failed: + if (!has_known_size && __Pyx_IterFinish() == 0) + __Pyx_RaiseNeedMoreValuesError(index); +bad: + Py_XDECREF(iter); + Py_XDECREF(value1); + Py_XDECREF(value2); + if (decref_tuple) { Py_XDECREF(tuple); } + return -1; +} + +/* dict_iter */ +static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name, + Py_ssize_t* p_orig_length, int* p_source_is_dict) { + is_dict = is_dict || likely(PyDict_CheckExact(iterable)); + *p_source_is_dict = is_dict; + if (is_dict) { +#if !CYTHON_COMPILING_IN_PYPY + *p_orig_length = PyDict_Size(iterable); + Py_INCREF(iterable); + return iterable; +#elif PY_MAJOR_VERSION >= 3 + static PyObject *py_items = NULL, *py_keys = NULL, *py_values = NULL; + PyObject **pp = NULL; + if (method_name) { + const char *name = PyUnicode_AsUTF8(method_name); + if (strcmp(name, "iteritems") == 0) pp = &py_items; + else if (strcmp(name, "iterkeys") == 0) pp = &py_keys; + else if (strcmp(name, "itervalues") == 0) pp = &py_values; + if (pp) { + if (!*pp) { + *pp = PyUnicode_FromString(name + 4); + if (!*pp) + return NULL; + } + method_name = *pp; + } + } +#endif + } + *p_orig_length = 0; + if (method_name) { + PyObject* iter; + iterable = __Pyx_PyObject_CallMethod0(iterable, method_name); + if (!iterable) + return NULL; +#if !CYTHON_COMPILING_IN_PYPY + if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable)) + return iterable; +#endif + iter = PyObject_GetIter(iterable); + Py_DECREF(iterable); + return iter; + } + return PyObject_GetIter(iterable); +} +static CYTHON_INLINE int __Pyx_dict_iter_next( + PyObject* iter_obj, CYTHON_NCP_UNUSED Py_ssize_t orig_length, CYTHON_NCP_UNUSED Py_ssize_t* ppos, + PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) { + PyObject* next_item; +#if !CYTHON_COMPILING_IN_PYPY + if (source_is_dict) { + PyObject *key, *value; + if (unlikely(orig_length != PyDict_Size(iter_obj))) { + PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration"); + return -1; + } + if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) { + return 0; + } + if (pitem) { + PyObject* tuple = PyTuple_New(2); + if (unlikely(!tuple)) { + return -1; + } + Py_INCREF(key); + Py_INCREF(value); + PyTuple_SET_ITEM(tuple, 0, key); + PyTuple_SET_ITEM(tuple, 1, value); + *pitem = tuple; + } else { + if (pkey) { + Py_INCREF(key); + *pkey = key; + } + if (pvalue) { + Py_INCREF(value); + *pvalue = value; + } + } + return 1; + } else if (PyTuple_CheckExact(iter_obj)) { + Py_ssize_t pos = *ppos; + if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0; + *ppos = pos + 1; + next_item = PyTuple_GET_ITEM(iter_obj, pos); + Py_INCREF(next_item); + } else if (PyList_CheckExact(iter_obj)) { + Py_ssize_t pos = *ppos; + if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0; + *ppos = pos + 1; + next_item = PyList_GET_ITEM(iter_obj, pos); + Py_INCREF(next_item); + } else +#endif + { + next_item = PyIter_Next(iter_obj); + if (unlikely(!next_item)) { + return __Pyx_IterFinish(); + } + } + if (pitem) { + *pitem = next_item; + } else if (pkey && pvalue) { + if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1)) + return -1; + } else if (pkey) { + *pkey = next_item; + } else { + *pvalue = next_item; + } + return 1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; itp_name); + if (cached_type) { + if (!PyType_Check((PyObject*)cached_type)) { + PyErr_Format(PyExc_TypeError, + "Shared Cython type %.200s is not a type object", + type->tp_name); + goto bad; + } + if (cached_type->tp_basicsize != type->tp_basicsize) { + PyErr_Format(PyExc_TypeError, + "Shared Cython type %.200s has the wrong size, try recompiling", + type->tp_name); + goto bad; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad; + PyErr_Clear(); + if (PyType_Ready(type) < 0) goto bad; + if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0) + goto bad; + Py_INCREF(type); + cached_type = type; + } +done: + Py_DECREF(fake_module); + return cached_type; +bad: + Py_XDECREF(cached_type); + cached_type = NULL; + goto done; +} + +/* PyObjectCallMethod1 */ +static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) { + PyObject *result = __Pyx_PyObject_CallOneArg(method, arg); + Py_DECREF(method); + return result; +} +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) { + PyObject *method = NULL, *result; + int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method); + if (likely(is_method)) { + result = __Pyx_PyObject_Call2Args(method, obj, arg); + Py_DECREF(method); + return result; + } + if (unlikely(!method)) return NULL; + return __Pyx__PyObject_CallMethod1(method, arg); +} + +/* CoroutineBase */ +#include +#include +#define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom) +static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) { + PyObject *et, *ev, *tb; + PyObject *value = NULL; + __Pyx_ErrFetch(&et, &ev, &tb); + if (!et) { + Py_XDECREF(tb); + Py_XDECREF(ev); + Py_INCREF(Py_None); + *pvalue = Py_None; + return 0; + } + if (likely(et == PyExc_StopIteration)) { + if (!ev) { + Py_INCREF(Py_None); + value = Py_None; + } +#if PY_VERSION_HEX >= 0x030300A0 + else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) { + value = ((PyStopIterationObject *)ev)->value; + Py_INCREF(value); + Py_DECREF(ev); + } +#endif + else if (unlikely(PyTuple_Check(ev))) { + if (PyTuple_GET_SIZE(ev) >= 1) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + value = PyTuple_GET_ITEM(ev, 0); + Py_INCREF(value); +#else + value = PySequence_ITEM(ev, 0); +#endif + } else { + Py_INCREF(Py_None); + value = Py_None; + } + Py_DECREF(ev); + } + else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) { + value = ev; + } + if (likely(value)) { + Py_XDECREF(tb); + Py_DECREF(et); + *pvalue = value; + return 0; + } + } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) { + __Pyx_ErrRestore(et, ev, tb); + return -1; + } + PyErr_NormalizeException(&et, &ev, &tb); + if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) { + __Pyx_ErrRestore(et, ev, tb); + return -1; + } + Py_XDECREF(tb); + Py_DECREF(et); +#if PY_VERSION_HEX >= 0x030300A0 + value = ((PyStopIterationObject *)ev)->value; + Py_INCREF(value); + Py_DECREF(ev); +#else + { + PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args); + Py_DECREF(ev); + if (likely(args)) { + value = PySequence_GetItem(args, 0); + Py_DECREF(args); + } + if (unlikely(!value)) { + __Pyx_ErrRestore(NULL, NULL, NULL); + Py_INCREF(Py_None); + value = Py_None; + } + } +#endif + *pvalue = value; + return 0; +} +static CYTHON_INLINE +void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *exc_state) { + PyObject *t, *v, *tb; + t = exc_state->exc_type; + v = exc_state->exc_value; + tb = exc_state->exc_traceback; + exc_state->exc_type = NULL; + exc_state->exc_value = NULL; + exc_state->exc_traceback = NULL; + Py_XDECREF(t); + Py_XDECREF(v); + Py_XDECREF(tb); +} +#define __Pyx_Coroutine_AlreadyRunningError(gen) (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL) +static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) { + const char *msg; + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check((PyObject*)gen)) { + msg = "coroutine already executing"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) { + msg = "async generator already executing"; + #endif + } else { + msg = "generator already executing"; + } + PyErr_SetString(PyExc_ValueError, msg); +} +#define __Pyx_Coroutine_NotStartedError(gen) (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL) +static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) { + const char *msg; + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check(gen)) { + msg = "can't send non-None value to a just-started coroutine"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact(gen)) { + msg = "can't send non-None value to a just-started async generator"; + #endif + } else { + msg = "can't send non-None value to a just-started generator"; + } + PyErr_SetString(PyExc_TypeError, msg); +} +#define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing) (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL) +static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) { + #ifdef __Pyx_Coroutine_USED + if (!closing && __Pyx_Coroutine_Check(gen)) { + PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine"); + } else + #endif + if (value) { + #ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(gen)) + PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration); + else + #endif + PyErr_SetNone(PyExc_StopIteration); + } +} +static +PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) { + __Pyx_PyThreadState_declare + PyThreadState *tstate; + __Pyx_ExcInfoStruct *exc_state; + PyObject *retval; + assert(!self->is_running); + if (unlikely(self->resume_label == 0)) { + if (unlikely(value && value != Py_None)) { + return __Pyx_Coroutine_NotStartedError((PyObject*)self); + } + } + if (unlikely(self->resume_label == -1)) { + return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing); + } +#if CYTHON_FAST_THREAD_STATE + __Pyx_PyThreadState_assign + tstate = __pyx_tstate; +#else + tstate = __Pyx_PyThreadState_Current; +#endif + exc_state = &self->gi_exc_state; + if (exc_state->exc_type) { + #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON + #else + if (exc_state->exc_traceback) { + PyTracebackObject *tb = (PyTracebackObject *) exc_state->exc_traceback; + PyFrameObject *f = tb->tb_frame; + Py_XINCREF(tstate->frame); + assert(f->f_back == NULL); + f->f_back = tstate->frame; + } + #endif + } +#if CYTHON_USE_EXC_INFO_STACK + exc_state->previous_item = tstate->exc_info; + tstate->exc_info = exc_state; +#else + if (exc_state->exc_type) { + __Pyx_ExceptionSwap(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback); + } else { + __Pyx_Coroutine_ExceptionClear(exc_state); + __Pyx_ExceptionSave(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback); + } +#endif + self->is_running = 1; + retval = self->body((PyObject *) self, tstate, value); + self->is_running = 0; +#if CYTHON_USE_EXC_INFO_STACK + exc_state = &self->gi_exc_state; + tstate->exc_info = exc_state->previous_item; + exc_state->previous_item = NULL; + __Pyx_Coroutine_ResetFrameBackpointer(exc_state); +#endif + return retval; +} +static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state) { + PyObject *exc_tb = exc_state->exc_traceback; + if (likely(exc_tb)) { +#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON +#else + PyTracebackObject *tb = (PyTracebackObject *) exc_tb; + PyFrameObject *f = tb->tb_frame; + Py_CLEAR(f->f_back); +#endif + } +} +static CYTHON_INLINE +PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) { + if (unlikely(!retval)) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (!__Pyx_PyErr_Occurred()) { + PyObject *exc = PyExc_StopIteration; + #ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(gen)) + exc = __Pyx_PyExc_StopAsyncIteration; + #endif + __Pyx_PyErr_SetNone(exc); + } + } + return retval; +} +static CYTHON_INLINE +PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) { + PyObject *ret; + PyObject *val = NULL; + __Pyx_Coroutine_Undelegate(gen); + __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val); + ret = __Pyx_Coroutine_SendEx(gen, val, 0); + Py_XDECREF(val); + return ret; +} +static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) { + PyObject *retval; + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + gen->is_running = 1; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + ret = __Pyx_Coroutine_Send(yf, value); + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + ret = __Pyx_Coroutine_Send(yf, value); + } else + #endif + #ifdef __Pyx_AsyncGen_USED + if (__pyx_PyAsyncGenASend_CheckExact(yf)) { + ret = __Pyx_async_gen_asend_send(yf, value); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyGen_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyCoro_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value); + } else + #endif + { + if (value == Py_None) + ret = Py_TYPE(yf)->tp_iternext(yf); + else + ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value); + } + gen->is_running = 0; + if (likely(ret)) { + return ret; + } + retval = __Pyx_Coroutine_FinishDelegation(gen); + } else { + retval = __Pyx_Coroutine_SendEx(gen, value, 0); + } + return __Pyx_Coroutine_MethodReturn(self, retval); +} +static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) { + PyObject *retval = NULL; + int err = 0; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + retval = __Pyx_Coroutine_Close(yf); + if (!retval) + return -1; + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + retval = __Pyx_Coroutine_Close(yf); + if (!retval) + return -1; + } else + if (__Pyx_CoroutineAwait_CheckExact(yf)) { + retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf, NULL); + if (!retval) + return -1; + } else + #endif + #ifdef __Pyx_AsyncGen_USED + if (__pyx_PyAsyncGenASend_CheckExact(yf)) { + retval = __Pyx_async_gen_asend_close(yf, NULL); + } else + if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) { + retval = __Pyx_async_gen_athrow_close(yf, NULL); + } else + #endif + { + PyObject *meth; + gen->is_running = 1; + meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close); + if (unlikely(!meth)) { + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_WriteUnraisable(yf); + } + PyErr_Clear(); + } else { + retval = PyObject_CallFunction(meth, NULL); + Py_DECREF(meth); + if (!retval) + err = -1; + } + gen->is_running = 0; + } + Py_XDECREF(retval); + return err; +} +static PyObject *__Pyx_Generator_Next(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + gen->is_running = 1; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + ret = __Pyx_Generator_Next(yf); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyGen_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, NULL); + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + ret = __Pyx_Coroutine_Send(yf, Py_None); + } else + #endif + ret = Py_TYPE(yf)->tp_iternext(yf); + gen->is_running = 0; + if (likely(ret)) { + return ret; + } + return __Pyx_Coroutine_FinishDelegation(gen); + } + return __Pyx_Coroutine_SendEx(gen, Py_None, 0); +} +static PyObject *__Pyx_Coroutine_Close_Method(PyObject *self, CYTHON_UNUSED PyObject *arg) { + return __Pyx_Coroutine_Close(self); +} +static PyObject *__Pyx_Coroutine_Close(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject *retval, *raised_exception; + PyObject *yf = gen->yieldfrom; + int err = 0; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + Py_INCREF(yf); + err = __Pyx_Coroutine_CloseIter(gen, yf); + __Pyx_Coroutine_Undelegate(gen); + Py_DECREF(yf); + } + if (err == 0) + PyErr_SetNone(PyExc_GeneratorExit); + retval = __Pyx_Coroutine_SendEx(gen, NULL, 1); + if (unlikely(retval)) { + const char *msg; + Py_DECREF(retval); + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check(self)) { + msg = "coroutine ignored GeneratorExit"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact(self)) { +#if PY_VERSION_HEX < 0x03060000 + msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)"; +#else + msg = "async generator ignored GeneratorExit"; +#endif + #endif + } else { + msg = "generator ignored GeneratorExit"; + } + PyErr_SetString(PyExc_RuntimeError, msg); + return NULL; + } + raised_exception = PyErr_Occurred(); + if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) { + if (raised_exception) PyErr_Clear(); + Py_INCREF(Py_None); + return Py_None; + } + return NULL; +} +static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb, + PyObject *args, int close_on_genexit) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + Py_INCREF(yf); + if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) { + int err = __Pyx_Coroutine_CloseIter(gen, yf); + Py_DECREF(yf); + __Pyx_Coroutine_Undelegate(gen); + if (err < 0) + return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0)); + goto throw_here; + } + gen->is_running = 1; + if (0 + #ifdef __Pyx_Generator_USED + || __Pyx_Generator_CheckExact(yf) + #endif + #ifdef __Pyx_Coroutine_USED + || __Pyx_Coroutine_Check(yf) + #endif + ) { + ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit); + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_CoroutineAwait_CheckExact(yf)) { + ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit); + #endif + } else { + PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw); + if (unlikely(!meth)) { + Py_DECREF(yf); + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { + gen->is_running = 0; + return NULL; + } + PyErr_Clear(); + __Pyx_Coroutine_Undelegate(gen); + gen->is_running = 0; + goto throw_here; + } + if (likely(args)) { + ret = PyObject_CallObject(meth, args); + } else { + ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL); + } + Py_DECREF(meth); + } + gen->is_running = 0; + Py_DECREF(yf); + if (!ret) { + ret = __Pyx_Coroutine_FinishDelegation(gen); + } + return __Pyx_Coroutine_MethodReturn(self, ret); + } +throw_here: + __Pyx_Raise(typ, val, tb, NULL); + return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0)); +} +static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) { + PyObject *typ; + PyObject *val = NULL; + PyObject *tb = NULL; + if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb)) + return NULL; + return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1); +} +static CYTHON_INLINE int __Pyx_Coroutine_traverse_excstate(__Pyx_ExcInfoStruct *exc_state, visitproc visit, void *arg) { + Py_VISIT(exc_state->exc_type); + Py_VISIT(exc_state->exc_value); + Py_VISIT(exc_state->exc_traceback); + return 0; +} +static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) { + Py_VISIT(gen->closure); + Py_VISIT(gen->classobj); + Py_VISIT(gen->yieldfrom); + return __Pyx_Coroutine_traverse_excstate(&gen->gi_exc_state, visit, arg); +} +static int __Pyx_Coroutine_clear(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + Py_CLEAR(gen->closure); + Py_CLEAR(gen->classobj); + Py_CLEAR(gen->yieldfrom); + __Pyx_Coroutine_ExceptionClear(&gen->gi_exc_state); +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer); + } +#endif + Py_CLEAR(gen->gi_code); + Py_CLEAR(gen->gi_name); + Py_CLEAR(gen->gi_qualname); + Py_CLEAR(gen->gi_modulename); + return 0; +} +static void __Pyx_Coroutine_dealloc(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject_GC_UnTrack(gen); + if (gen->gi_weakreflist != NULL) + PyObject_ClearWeakRefs(self); + if (gen->resume_label >= 0) { + PyObject_GC_Track(self); +#if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE + if (PyObject_CallFinalizerFromDealloc(self)) +#else + Py_TYPE(gen)->tp_del(self); + if (self->ob_refcnt > 0) +#endif + { + return; + } + PyObject_GC_UnTrack(self); + } +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + /* We have to handle this case for asynchronous generators + right here, because this code has to be between UNTRACK + and GC_Del. */ + Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer); + } +#endif + __Pyx_Coroutine_clear(self); + PyObject_GC_Del(gen); +} +static void __Pyx_Coroutine_del(PyObject *self) { + PyObject *error_type, *error_value, *error_traceback; + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + __Pyx_PyThreadState_declare + if (gen->resume_label < 0) { + return; + } +#if !CYTHON_USE_TP_FINALIZE + assert(self->ob_refcnt == 0); + self->ob_refcnt = 1; +#endif + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&error_type, &error_value, &error_traceback); +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self; + PyObject *finalizer = agen->ag_finalizer; + if (finalizer && !agen->ag_closed) { + PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self); + if (unlikely(!res)) { + PyErr_WriteUnraisable(self); + } else { + Py_DECREF(res); + } + __Pyx_ErrRestore(error_type, error_value, error_traceback); + return; + } + } +#endif + if (unlikely(gen->resume_label == 0 && !error_value)) { +#ifdef __Pyx_Coroutine_USED +#ifdef __Pyx_Generator_USED + if (!__Pyx_Generator_CheckExact(self)) +#endif + { + PyObject_GC_UnTrack(self); +#if PY_MAJOR_VERSION >= 3 || defined(PyErr_WarnFormat) + if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0)) + PyErr_WriteUnraisable(self); +#else + {PyObject *msg; + char *cmsg; + #if CYTHON_COMPILING_IN_PYPY + msg = NULL; + cmsg = (char*) "coroutine was never awaited"; + #else + char *cname; + PyObject *qualname; + qualname = gen->gi_qualname; + cname = PyString_AS_STRING(qualname); + msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname); + if (unlikely(!msg)) { + PyErr_Clear(); + cmsg = (char*) "coroutine was never awaited"; + } else { + cmsg = PyString_AS_STRING(msg); + } + #endif + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0)) + PyErr_WriteUnraisable(self); + Py_XDECREF(msg);} +#endif + PyObject_GC_Track(self); + } +#endif + } else { + PyObject *res = __Pyx_Coroutine_Close(self); + if (unlikely(!res)) { + if (PyErr_Occurred()) + PyErr_WriteUnraisable(self); + } else { + Py_DECREF(res); + } + } + __Pyx_ErrRestore(error_type, error_value, error_traceback); +#if !CYTHON_USE_TP_FINALIZE + assert(self->ob_refcnt > 0); + if (--self->ob_refcnt == 0) { + return; + } + { + Py_ssize_t refcnt = self->ob_refcnt; + _Py_NewReference(self); + self->ob_refcnt = refcnt; + } +#if CYTHON_COMPILING_IN_CPYTHON + assert(PyType_IS_GC(self->ob_type) && + _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED); + _Py_DEC_REFTOTAL; +#endif +#ifdef COUNT_ALLOCS + --Py_TYPE(self)->tp_frees; + --Py_TYPE(self)->tp_allocs; +#endif +#endif +} +static PyObject * +__Pyx_Coroutine_get_name(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context) +{ + PyObject *name = self->gi_name; + if (unlikely(!name)) name = Py_None; + Py_INCREF(name); + return name; +} +static int +__Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__name__ must be set to a string object"); + return -1; + } + tmp = self->gi_name; + Py_INCREF(value); + self->gi_name = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context) +{ + PyObject *name = self->gi_qualname; + if (unlikely(!name)) name = Py_None; + Py_INCREF(name); + return name; +} +static int +__Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__qualname__ must be set to a string object"); + return -1; + } + tmp = self->gi_qualname; + Py_INCREF(value); + self->gi_qualname = value; + Py_XDECREF(tmp); + return 0; +} +static __pyx_CoroutineObject *__Pyx__Coroutine_New( + PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name) { + __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type); + if (unlikely(!gen)) + return NULL; + return __Pyx__Coroutine_NewInit(gen, body, code, closure, name, qualname, module_name); +} +static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit( + __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name) { + gen->body = body; + gen->closure = closure; + Py_XINCREF(closure); + gen->is_running = 0; + gen->resume_label = 0; + gen->classobj = NULL; + gen->yieldfrom = NULL; + gen->gi_exc_state.exc_type = NULL; + gen->gi_exc_state.exc_value = NULL; + gen->gi_exc_state.exc_traceback = NULL; +#if CYTHON_USE_EXC_INFO_STACK + gen->gi_exc_state.previous_item = NULL; +#endif + gen->gi_weakreflist = NULL; + Py_XINCREF(qualname); + gen->gi_qualname = qualname; + Py_XINCREF(name); + gen->gi_name = name; + Py_XINCREF(module_name); + gen->gi_modulename = module_name; + Py_XINCREF(code); + gen->gi_code = code; + PyObject_GC_Track(gen); + return gen; +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* PatchModuleWithCoroutine */ +static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) { +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) + int result; + PyObject *globals, *result_obj; + globals = PyDict_New(); if (unlikely(!globals)) goto ignore; + result = PyDict_SetItemString(globals, "_cython_coroutine_type", + #ifdef __Pyx_Coroutine_USED + (PyObject*)__pyx_CoroutineType); + #else + Py_None); + #endif + if (unlikely(result < 0)) goto ignore; + result = PyDict_SetItemString(globals, "_cython_generator_type", + #ifdef __Pyx_Generator_USED + (PyObject*)__pyx_GeneratorType); + #else + Py_None); + #endif + if (unlikely(result < 0)) goto ignore; + if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore; + if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore; + result_obj = PyRun_String(py_code, Py_file_input, globals, globals); + if (unlikely(!result_obj)) goto ignore; + Py_DECREF(result_obj); + Py_DECREF(globals); + return module; +ignore: + Py_XDECREF(globals); + PyErr_WriteUnraisable(module); + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) { + Py_DECREF(module); + module = NULL; + } +#else + py_code++; +#endif + return module; +} + +/* PatchGeneratorABC */ +#ifndef CYTHON_REGISTER_ABCS +#define CYTHON_REGISTER_ABCS 1 +#endif +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) +static PyObject* __Pyx_patch_abc_module(PyObject *module); +static PyObject* __Pyx_patch_abc_module(PyObject *module) { + module = __Pyx_Coroutine_patch_module( + module, "" +"if _cython_generator_type is not None:\n" +" try: Generator = _module.Generator\n" +" except AttributeError: pass\n" +" else: Generator.register(_cython_generator_type)\n" +"if _cython_coroutine_type is not None:\n" +" try: Coroutine = _module.Coroutine\n" +" except AttributeError: pass\n" +" else: Coroutine.register(_cython_coroutine_type)\n" + ); + return module; +} +#endif +static int __Pyx_patch_abc(void) { +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) + static int abc_patched = 0; + if (CYTHON_REGISTER_ABCS && !abc_patched) { + PyObject *module; + module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections"); + if (!module) { + PyErr_WriteUnraisable(NULL); + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, + ((PY_MAJOR_VERSION >= 3) ? + "Cython module failed to register with collections.abc module" : + "Cython module failed to register with collections module"), 1) < 0)) { + return -1; + } + } else { + module = __Pyx_patch_abc_module(module); + abc_patched = 1; + if (unlikely(!module)) + return -1; + Py_DECREF(module); + } + module = PyImport_ImportModule("backports_abc"); + if (module) { + module = __Pyx_patch_abc_module(module); + Py_XDECREF(module); + } + if (!module) { + PyErr_Clear(); + } + } +#else + if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL); +#endif + return 0; +} + +/* Coroutine */ +static void __Pyx_CoroutineAwait_dealloc(PyObject *self) { + PyObject_GC_UnTrack(self); + Py_CLEAR(((__pyx_CoroutineAwaitObject*)self)->coroutine); + PyObject_GC_Del(self); +} +static int __Pyx_CoroutineAwait_traverse(__pyx_CoroutineAwaitObject *self, visitproc visit, void *arg) { + Py_VISIT(self->coroutine); + return 0; +} +static int __Pyx_CoroutineAwait_clear(__pyx_CoroutineAwaitObject *self) { + Py_CLEAR(self->coroutine); + return 0; +} +static PyObject *__Pyx_CoroutineAwait_Next(__pyx_CoroutineAwaitObject *self) { + return __Pyx_Generator_Next(self->coroutine); +} +static PyObject *__Pyx_CoroutineAwait_Send(__pyx_CoroutineAwaitObject *self, PyObject *value) { + return __Pyx_Coroutine_Send(self->coroutine, value); +} +static PyObject *__Pyx_CoroutineAwait_Throw(__pyx_CoroutineAwaitObject *self, PyObject *args) { + return __Pyx_Coroutine_Throw(self->coroutine, args); +} +static PyObject *__Pyx_CoroutineAwait_Close(__pyx_CoroutineAwaitObject *self, CYTHON_UNUSED PyObject *arg) { + return __Pyx_Coroutine_Close(self->coroutine); +} +static PyObject *__Pyx_CoroutineAwait_self(PyObject *self) { + Py_INCREF(self); + return self; +} +#if !CYTHON_COMPILING_IN_PYPY +static PyObject *__Pyx_CoroutineAwait_no_new(CYTHON_UNUSED PyTypeObject *type, CYTHON_UNUSED PyObject *args, CYTHON_UNUSED PyObject *kwargs) { + PyErr_SetString(PyExc_TypeError, "cannot instantiate type, use 'await coroutine' instead"); + return NULL; +} +#endif +static PyMethodDef __pyx_CoroutineAwait_methods[] = { + {"send", (PyCFunction) __Pyx_CoroutineAwait_Send, METH_O, + (char*) PyDoc_STR("send(arg) -> send 'arg' into coroutine,\nreturn next yielded value or raise StopIteration.")}, + {"throw", (PyCFunction) __Pyx_CoroutineAwait_Throw, METH_VARARGS, + (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in coroutine,\nreturn next yielded value or raise StopIteration.")}, + {"close", (PyCFunction) __Pyx_CoroutineAwait_Close, METH_NOARGS, + (char*) PyDoc_STR("close() -> raise GeneratorExit inside coroutine.")}, + {0, 0, 0, 0} +}; +static PyTypeObject __pyx_CoroutineAwaitType_type = { + PyVarObject_HEAD_INIT(0, 0) + "coroutine_wrapper", + sizeof(__pyx_CoroutineAwaitObject), + 0, + (destructor) __Pyx_CoroutineAwait_dealloc, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, + PyDoc_STR("A wrapper object implementing __await__ for coroutines."), + (traverseproc) __Pyx_CoroutineAwait_traverse, + (inquiry) __Pyx_CoroutineAwait_clear, + 0, + 0, + __Pyx_CoroutineAwait_self, + (iternextfunc) __Pyx_CoroutineAwait_Next, + __pyx_CoroutineAwait_methods, + 0 , + 0 , + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if !CYTHON_COMPILING_IN_PYPY + __Pyx_CoroutineAwait_no_new, +#else + 0, +#endif + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if PY_VERSION_HEX >= 0x030400a1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +#if PY_VERSION_HEX < 0x030500B1 || defined(__Pyx_IterableCoroutine_USED) || CYTHON_USE_ASYNC_SLOTS +static CYTHON_INLINE PyObject *__Pyx__Coroutine_await(PyObject *coroutine) { + __pyx_CoroutineAwaitObject *await = PyObject_GC_New(__pyx_CoroutineAwaitObject, __pyx_CoroutineAwaitType); + if (unlikely(!await)) return NULL; + Py_INCREF(coroutine); + await->coroutine = coroutine; + PyObject_GC_Track(await); + return (PyObject*)await; +} +#endif +#if PY_VERSION_HEX < 0x030500B1 +static PyObject *__Pyx_Coroutine_await_method(PyObject *coroutine, CYTHON_UNUSED PyObject *arg) { + return __Pyx__Coroutine_await(coroutine); +} +#endif +#if defined(__Pyx_IterableCoroutine_USED) || CYTHON_USE_ASYNC_SLOTS +static PyObject *__Pyx_Coroutine_await(PyObject *coroutine) { + if (unlikely(!coroutine || !__Pyx_Coroutine_Check(coroutine))) { + PyErr_SetString(PyExc_TypeError, "invalid input, expected coroutine"); + return NULL; + } + return __Pyx__Coroutine_await(coroutine); +} +#endif +static PyObject * +__Pyx_Coroutine_get_frame(CYTHON_UNUSED __pyx_CoroutineObject *self, CYTHON_UNUSED void *context) +{ + Py_RETURN_NONE; +} +#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3 && PY_VERSION_HEX < 0x030500B1 +static PyObject *__Pyx_Coroutine_compare(PyObject *obj, PyObject *other, int op) { + PyObject* result; + switch (op) { + case Py_EQ: result = (other == obj) ? Py_True : Py_False; break; + case Py_NE: result = (other != obj) ? Py_True : Py_False; break; + default: + result = Py_NotImplemented; + } + Py_INCREF(result); + return result; +} +#endif +static PyMethodDef __pyx_Coroutine_methods[] = { + {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O, + (char*) PyDoc_STR("send(arg) -> send 'arg' into coroutine,\nreturn next iterated value or raise StopIteration.")}, + {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS, + (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in coroutine,\nreturn next iterated value or raise StopIteration.")}, + {"close", (PyCFunction) __Pyx_Coroutine_Close_Method, METH_NOARGS, + (char*) PyDoc_STR("close() -> raise GeneratorExit inside coroutine.")}, +#if PY_VERSION_HEX < 0x030500B1 + {"__await__", (PyCFunction) __Pyx_Coroutine_await_method, METH_NOARGS, + (char*) PyDoc_STR("__await__() -> return an iterator to be used in await expression.")}, +#endif + {0, 0, 0, 0} +}; +static PyMemberDef __pyx_Coroutine_memberlist[] = { + {(char *) "cr_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL}, + {(char*) "cr_await", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY, + (char*) PyDoc_STR("object being awaited, or None")}, + {(char*) "cr_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL}, + {(char *) "__module__", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_modulename), PY_WRITE_RESTRICTED, 0}, + {0, 0, 0, 0, 0} +}; +static PyGetSetDef __pyx_Coroutine_getsets[] = { + {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name, + (char*) PyDoc_STR("name of the coroutine"), 0}, + {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname, + (char*) PyDoc_STR("qualified name of the coroutine"), 0}, + {(char *) "cr_frame", (getter)__Pyx_Coroutine_get_frame, NULL, + (char*) PyDoc_STR("Frame of the coroutine"), 0}, + {0, 0, 0, 0, 0} +}; +#if CYTHON_USE_ASYNC_SLOTS +static __Pyx_PyAsyncMethodsStruct __pyx_Coroutine_as_async = { + __Pyx_Coroutine_await, + 0, + 0, +}; +#endif +static PyTypeObject __pyx_CoroutineType_type = { + PyVarObject_HEAD_INIT(0, 0) + "coroutine", + sizeof(__pyx_CoroutineObject), + 0, + (destructor) __Pyx_Coroutine_dealloc, + 0, + 0, + 0, +#if CYTHON_USE_ASYNC_SLOTS + &__pyx_Coroutine_as_async, +#else + 0, +#endif + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, + 0, + (traverseproc) __Pyx_Coroutine_traverse, + 0, +#if CYTHON_USE_ASYNC_SLOTS && CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3 && PY_VERSION_HEX < 0x030500B1 + __Pyx_Coroutine_compare, +#else + 0, +#endif + offsetof(__pyx_CoroutineObject, gi_weakreflist), + 0, + 0, + __pyx_Coroutine_methods, + __pyx_Coroutine_memberlist, + __pyx_Coroutine_getsets, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if CYTHON_USE_TP_FINALIZE + 0, +#else + __Pyx_Coroutine_del, +#endif + 0, +#if CYTHON_USE_TP_FINALIZE + __Pyx_Coroutine_del, +#elif PY_VERSION_HEX >= 0x030400a1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +static int __pyx_Coroutine_init(void) { + __pyx_CoroutineType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict; + __pyx_CoroutineType = __Pyx_FetchCommonType(&__pyx_CoroutineType_type); + if (unlikely(!__pyx_CoroutineType)) + return -1; +#ifdef __Pyx_IterableCoroutine_USED + if (unlikely(__pyx_IterableCoroutine_init() == -1)) + return -1; +#endif + __pyx_CoroutineAwaitType = __Pyx_FetchCommonType(&__pyx_CoroutineAwaitType_type); + if (unlikely(!__pyx_CoroutineAwaitType)) + return -1; + return 0; +} + +/* GetAwaitIter */ +static CYTHON_INLINE PyObject *__Pyx_Coroutine_GetAwaitableIter(PyObject *o) { +#ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(o)) { + return __Pyx_NewRef(o); + } +#endif + return __Pyx__Coroutine_GetAwaitableIter(o); +} +static void __Pyx_Coroutine_AwaitableIterError(PyObject *source) { +#if PY_VERSION_HEX >= 0x030600B3 || defined(_PyErr_FormatFromCause) + _PyErr_FormatFromCause( + PyExc_TypeError, + "'async for' received an invalid object " + "from __anext__: %.100s", + Py_TYPE(source)->tp_name); +#elif PY_MAJOR_VERSION >= 3 + PyObject *exc, *val, *val2, *tb; + assert(PyErr_Occurred()); + PyErr_Fetch(&exc, &val, &tb); + PyErr_NormalizeException(&exc, &val, &tb); + if (tb != NULL) { + PyException_SetTraceback(val, tb); + Py_DECREF(tb); + } + Py_DECREF(exc); + assert(!PyErr_Occurred()); + PyErr_Format( + PyExc_TypeError, + "'async for' received an invalid object " + "from __anext__: %.100s", + Py_TYPE(source)->tp_name); + PyErr_Fetch(&exc, &val2, &tb); + PyErr_NormalizeException(&exc, &val2, &tb); + Py_INCREF(val); + PyException_SetCause(val2, val); + PyException_SetContext(val2, val); + PyErr_Restore(exc, val2, tb); +#else + source++; +#endif +} +static PyObject *__Pyx__Coroutine_GetAwaitableIter(PyObject *obj) { + PyObject *res; +#if CYTHON_USE_ASYNC_SLOTS + __Pyx_PyAsyncMethodsStruct* am = __Pyx_PyType_AsAsync(obj); + if (likely(am && am->am_await)) { + res = (*am->am_await)(obj); + } else +#endif +#if PY_VERSION_HEX >= 0x030500B2 || defined(PyCoro_CheckExact) + if (PyCoro_CheckExact(obj)) { + return __Pyx_NewRef(obj); + } else +#endif +#if CYTHON_COMPILING_IN_CPYTHON && defined(CO_ITERABLE_COROUTINE) + if (PyGen_CheckExact(obj) && ((PyGenObject*)obj)->gi_code && ((PyCodeObject *)((PyGenObject*)obj)->gi_code)->co_flags & CO_ITERABLE_COROUTINE) { + return __Pyx_NewRef(obj); + } else +#endif + { + PyObject *method = NULL; + int is_method = __Pyx_PyObject_GetMethod(obj, __pyx_n_s_await, &method); + if (likely(is_method)) { + res = __Pyx_PyObject_CallOneArg(method, obj); + } else if (likely(method)) { + res = __Pyx_PyObject_CallNoArg(method); + } else + goto slot_error; + Py_DECREF(method); + } + if (unlikely(!res)) { + __Pyx_Coroutine_AwaitableIterError(obj); + goto bad; + } + if (unlikely(!PyIter_Check(res))) { + PyErr_Format(PyExc_TypeError, + "__await__() returned non-iterator of type '%.100s'", + Py_TYPE(res)->tp_name); + Py_CLEAR(res); + } else { + int is_coroutine = 0; + #ifdef __Pyx_Coroutine_USED + is_coroutine |= __Pyx_Coroutine_Check(res); + #endif + #if PY_VERSION_HEX >= 0x030500B2 || defined(PyCoro_CheckExact) + is_coroutine |= PyCoro_CheckExact(res); + #endif + if (unlikely(is_coroutine)) { + /* __await__ must return an *iterator*, not + a coroutine or another awaitable (see PEP 492) */ + PyErr_SetString(PyExc_TypeError, + "__await__() returned a coroutine"); + Py_CLEAR(res); + } + } + return res; +slot_error: + PyErr_Format(PyExc_TypeError, + "object %.100s can't be used in 'await' expression", + Py_TYPE(obj)->tp_name); +bad: + return NULL; +} + +/* CoroutineYieldFrom */ +static PyObject* __Pyx__Coroutine_Yield_From_Generic(__pyx_CoroutineObject *gen, PyObject *source) { + PyObject *retval; + PyObject *source_gen = __Pyx__Coroutine_GetAwaitableIter(source); + if (unlikely(!source_gen)) { + return NULL; + } + if (__Pyx_Coroutine_Check(source_gen)) { + retval = __Pyx_Generator_Next(source_gen); + } else { +#if CYTHON_USE_TYPE_SLOTS + retval = Py_TYPE(source_gen)->tp_iternext(source_gen); +#else + retval = PyIter_Next(source_gen); +#endif + } + if (retval) { + gen->yieldfrom = source_gen; + return retval; + } + Py_DECREF(source_gen); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_Coroutine_Yield_From(__pyx_CoroutineObject *gen, PyObject *source) { + PyObject *retval; + if (__Pyx_Coroutine_Check(source)) { + if (unlikely(((__pyx_CoroutineObject*)source)->yieldfrom)) { + PyErr_SetString( + PyExc_RuntimeError, + "coroutine is being awaited already"); + return NULL; + } + retval = __Pyx_Generator_Next(source); +#ifdef __Pyx_AsyncGen_USED + } else if (__pyx_PyAsyncGenASend_CheckExact(source)) { + retval = __Pyx_async_gen_asend_iternext(source); +#endif + } else { + return __Pyx__Coroutine_Yield_From_Generic(gen, source); + } + if (retval) { + Py_INCREF(source); + gen->yieldfrom = source; + } + return retval; +} + +/* ReturnWithStopIteration */ +static void __Pyx__ReturnWithStopIteration(PyObject* value) { + PyObject *exc, *args; +#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_PYSTON + __Pyx_PyThreadState_declare + if ((PY_VERSION_HEX >= 0x03030000 && PY_VERSION_HEX < 0x030500B1) + || unlikely(PyTuple_Check(value) || PyExceptionInstance_Check(value))) { + args = PyTuple_New(1); + if (unlikely(!args)) return; + Py_INCREF(value); + PyTuple_SET_ITEM(args, 0, value); + exc = PyType_Type.tp_call(PyExc_StopIteration, args, NULL); + Py_DECREF(args); + if (!exc) return; + } else { + Py_INCREF(value); + exc = value; + } + #if CYTHON_FAST_THREAD_STATE + __Pyx_PyThreadState_assign + #if CYTHON_USE_EXC_INFO_STACK + if (!__pyx_tstate->exc_info->exc_type) + #else + if (!__pyx_tstate->exc_type) + #endif + { + Py_INCREF(PyExc_StopIteration); + __Pyx_ErrRestore(PyExc_StopIteration, exc, NULL); + return; + } + #endif +#else + args = PyTuple_Pack(1, value); + if (unlikely(!args)) return; + exc = PyObject_Call(PyExc_StopIteration, args, NULL); + Py_DECREF(args); + if (unlikely(!exc)) return; +#endif + PyErr_SetObject(PyExc_StopIteration, exc); + Py_DECREF(exc); +} + +/* CythonFunctionShared */ +#include +static PyObject * +__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure) +{ + if (unlikely(op->func_doc == NULL)) { + if (op->func.m_ml->ml_doc) { +#if PY_MAJOR_VERSION >= 3 + op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc); +#else + op->func_doc = PyString_FromString(op->func.m_ml->ml_doc); +#endif + if (unlikely(op->func_doc == NULL)) + return NULL; + } else { + Py_INCREF(Py_None); + return Py_None; + } + } + Py_INCREF(op->func_doc); + return op->func_doc; +} +static int +__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp = op->func_doc; + if (value == NULL) { + value = Py_None; + } + Py_INCREF(value); + op->func_doc = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + if (unlikely(op->func_name == NULL)) { +#if PY_MAJOR_VERSION >= 3 + op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name); +#else + op->func_name = PyString_InternFromString(op->func.m_ml->ml_name); +#endif + if (unlikely(op->func_name == NULL)) + return NULL; + } + Py_INCREF(op->func_name); + return op->func_name; +} +static int +__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__name__ must be set to a string object"); + return -1; + } + tmp = op->func_name; + Py_INCREF(value); + op->func_name = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + Py_INCREF(op->func_qualname); + return op->func_qualname; +} +static int +__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__qualname__ must be set to a string object"); + return -1; + } + tmp = op->func_qualname; + Py_INCREF(value); + op->func_qualname = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure) +{ + PyObject *self; + self = m->func_closure; + if (self == NULL) + self = Py_None; + Py_INCREF(self); + return self; +} +static PyObject * +__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + if (unlikely(op->func_dict == NULL)) { + op->func_dict = PyDict_New(); + if (unlikely(op->func_dict == NULL)) + return NULL; + } + Py_INCREF(op->func_dict); + return op->func_dict; +} +static int +__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; + if (unlikely(value == NULL)) { + PyErr_SetString(PyExc_TypeError, + "function's dictionary may not be deleted"); + return -1; + } + if (unlikely(!PyDict_Check(value))) { + PyErr_SetString(PyExc_TypeError, + "setting function's dictionary to a non-dict"); + return -1; + } + tmp = op->func_dict; + Py_INCREF(value); + op->func_dict = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + Py_INCREF(op->func_globals); + return op->func_globals; +} +static PyObject * +__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + Py_INCREF(Py_None); + return Py_None; +} +static PyObject * +__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) +{ + PyObject* result = (op->func_code) ? op->func_code : Py_None; + Py_INCREF(result); + return result; +} +static int +__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) { + int result = 0; + PyObject *res = op->defaults_getter((PyObject *) op); + if (unlikely(!res)) + return -1; + #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + op->defaults_tuple = PyTuple_GET_ITEM(res, 0); + Py_INCREF(op->defaults_tuple); + op->defaults_kwdict = PyTuple_GET_ITEM(res, 1); + Py_INCREF(op->defaults_kwdict); + #else + op->defaults_tuple = PySequence_ITEM(res, 0); + if (unlikely(!op->defaults_tuple)) result = -1; + else { + op->defaults_kwdict = PySequence_ITEM(res, 1); + if (unlikely(!op->defaults_kwdict)) result = -1; + } + #endif + Py_DECREF(res); + return result; +} +static int +__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) { + PyObject* tmp; + if (!value) { + value = Py_None; + } else if (value != Py_None && !PyTuple_Check(value)) { + PyErr_SetString(PyExc_TypeError, + "__defaults__ must be set to a tuple object"); + return -1; + } + Py_INCREF(value); + tmp = op->defaults_tuple; + op->defaults_tuple = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) { + PyObject* result = op->defaults_tuple; + if (unlikely(!result)) { + if (op->defaults_getter) { + if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL; + result = op->defaults_tuple; + } else { + result = Py_None; + } + } + Py_INCREF(result); + return result; +} +static int +__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) { + PyObject* tmp; + if (!value) { + value = Py_None; + } else if (value != Py_None && !PyDict_Check(value)) { + PyErr_SetString(PyExc_TypeError, + "__kwdefaults__ must be set to a dict object"); + return -1; + } + Py_INCREF(value); + tmp = op->defaults_kwdict; + op->defaults_kwdict = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) { + PyObject* result = op->defaults_kwdict; + if (unlikely(!result)) { + if (op->defaults_getter) { + if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL; + result = op->defaults_kwdict; + } else { + result = Py_None; + } + } + Py_INCREF(result); + return result; +} +static int +__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) { + PyObject* tmp; + if (!value || value == Py_None) { + value = NULL; + } else if (!PyDict_Check(value)) { + PyErr_SetString(PyExc_TypeError, + "__annotations__ must be set to a dict object"); + return -1; + } + Py_XINCREF(value); + tmp = op->func_annotations; + op->func_annotations = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) { + PyObject* result = op->func_annotations; + if (unlikely(!result)) { + result = PyDict_New(); + if (unlikely(!result)) return NULL; + op->func_annotations = result; + } + Py_INCREF(result); + return result; +} +static PyGetSetDef __pyx_CyFunction_getsets[] = { + {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0}, + {(char *) "__doc__", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0}, + {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0}, + {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0}, + {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0}, + {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0}, + {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0}, + {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0}, + {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0}, + {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0}, + {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0}, + {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0}, + {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0}, + {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0}, + {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0}, + {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0}, + {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0}, + {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0}, + {0, 0, 0, 0, 0} +}; +static PyMemberDef __pyx_CyFunction_members[] = { + {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), PY_WRITE_RESTRICTED, 0}, + {0, 0, 0, 0, 0} +}; +static PyObject * +__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args) +{ +#if PY_MAJOR_VERSION >= 3 + return PyUnicode_FromString(m->func.m_ml->ml_name); +#else + return PyString_FromString(m->func.m_ml->ml_name); +#endif +} +static PyMethodDef __pyx_CyFunction_methods[] = { + {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0}, + {0, 0, 0, 0} +}; +#if PY_VERSION_HEX < 0x030500A0 +#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist) +#else +#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist) +#endif +static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname, + PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) { + if (unlikely(op == NULL)) + return NULL; + op->flags = flags; + __Pyx_CyFunction_weakreflist(op) = NULL; + op->func.m_ml = ml; + op->func.m_self = (PyObject *) op; + Py_XINCREF(closure); + op->func_closure = closure; + Py_XINCREF(module); + op->func.m_module = module; + op->func_dict = NULL; + op->func_name = NULL; + Py_INCREF(qualname); + op->func_qualname = qualname; + op->func_doc = NULL; + op->func_classobj = NULL; + op->func_globals = globals; + Py_INCREF(op->func_globals); + Py_XINCREF(code); + op->func_code = code; + op->defaults_pyobjects = 0; + op->defaults_size = 0; + op->defaults = NULL; + op->defaults_tuple = NULL; + op->defaults_kwdict = NULL; + op->defaults_getter = NULL; + op->func_annotations = NULL; + return (PyObject *) op; +} +static int +__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m) +{ + Py_CLEAR(m->func_closure); + Py_CLEAR(m->func.m_module); + Py_CLEAR(m->func_dict); + Py_CLEAR(m->func_name); + Py_CLEAR(m->func_qualname); + Py_CLEAR(m->func_doc); + Py_CLEAR(m->func_globals); + Py_CLEAR(m->func_code); + Py_CLEAR(m->func_classobj); + Py_CLEAR(m->defaults_tuple); + Py_CLEAR(m->defaults_kwdict); + Py_CLEAR(m->func_annotations); + if (m->defaults) { + PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m); + int i; + for (i = 0; i < m->defaults_pyobjects; i++) + Py_XDECREF(pydefaults[i]); + PyObject_Free(m->defaults); + m->defaults = NULL; + } + return 0; +} +static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m) +{ + if (__Pyx_CyFunction_weakreflist(m) != NULL) + PyObject_ClearWeakRefs((PyObject *) m); + __Pyx_CyFunction_clear(m); + PyObject_GC_Del(m); +} +static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m) +{ + PyObject_GC_UnTrack(m); + __Pyx__CyFunction_dealloc(m); +} +static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg) +{ + Py_VISIT(m->func_closure); + Py_VISIT(m->func.m_module); + Py_VISIT(m->func_dict); + Py_VISIT(m->func_name); + Py_VISIT(m->func_qualname); + Py_VISIT(m->func_doc); + Py_VISIT(m->func_globals); + Py_VISIT(m->func_code); + Py_VISIT(m->func_classobj); + Py_VISIT(m->defaults_tuple); + Py_VISIT(m->defaults_kwdict); + if (m->defaults) { + PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m); + int i; + for (i = 0; i < m->defaults_pyobjects; i++) + Py_VISIT(pydefaults[i]); + } + return 0; +} +static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type) +{ + __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func; + if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) { + Py_INCREF(func); + return func; + } + if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) { + if (type == NULL) + type = (PyObject *)(Py_TYPE(obj)); + return __Pyx_PyMethod_New(func, type, (PyObject *)(Py_TYPE(type))); + } + if (obj == Py_None) + obj = NULL; + return __Pyx_PyMethod_New(func, obj, type); +} +static PyObject* +__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op) +{ +#if PY_MAJOR_VERSION >= 3 + return PyUnicode_FromFormat("", + op->func_qualname, (void *)op); +#else + return PyString_FromFormat("", + PyString_AsString(op->func_qualname), (void *)op); +#endif +} +static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) { + PyCFunctionObject* f = (PyCFunctionObject*)func; + PyCFunction meth = f->m_ml->ml_meth; + Py_ssize_t size; + switch (f->m_ml->ml_flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) { + case METH_VARARGS: + if (likely(kw == NULL || PyDict_Size(kw) == 0)) + return (*meth)(self, arg); + break; + case METH_VARARGS | METH_KEYWORDS: + return (*(PyCFunctionWithKeywords)(void*)meth)(self, arg, kw); + case METH_NOARGS: + if (likely(kw == NULL || PyDict_Size(kw) == 0)) { + size = PyTuple_GET_SIZE(arg); + if (likely(size == 0)) + return (*meth)(self, NULL); + PyErr_Format(PyExc_TypeError, + "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)", + f->m_ml->ml_name, size); + return NULL; + } + break; + case METH_O: + if (likely(kw == NULL || PyDict_Size(kw) == 0)) { + size = PyTuple_GET_SIZE(arg); + if (likely(size == 1)) { + PyObject *result, *arg0; + #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + arg0 = PyTuple_GET_ITEM(arg, 0); + #else + arg0 = PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL; + #endif + result = (*meth)(self, arg0); + #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS) + Py_DECREF(arg0); + #endif + return result; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)", + f->m_ml->ml_name, size); + return NULL; + } + break; + default: + PyErr_SetString(PyExc_SystemError, "Bad call flags in " + "__Pyx_CyFunction_Call. METH_OLDARGS is no " + "longer supported!"); + return NULL; + } + PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments", + f->m_ml->ml_name); + return NULL; +} +static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) { + return __Pyx_CyFunction_CallMethod(func, ((PyCFunctionObject*)func)->m_self, arg, kw); +} +static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) { + PyObject *result; + __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func; + if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) { + Py_ssize_t argc; + PyObject *new_args; + PyObject *self; + argc = PyTuple_GET_SIZE(args); + new_args = PyTuple_GetSlice(args, 1, argc); + if (unlikely(!new_args)) + return NULL; + self = PyTuple_GetItem(args, 0); + if (unlikely(!self)) { + Py_DECREF(new_args); + return NULL; + } + result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw); + Py_DECREF(new_args); + } else { + result = __Pyx_CyFunction_Call(func, args, kw); + } + return result; +} +static PyTypeObject __pyx_CyFunctionType_type = { + PyVarObject_HEAD_INIT(0, 0) + "cython_function_or_method", + sizeof(__pyx_CyFunctionObject), + 0, + (destructor) __Pyx_CyFunction_dealloc, + 0, + 0, + 0, +#if PY_MAJOR_VERSION < 3 + 0, +#else + 0, +#endif + (reprfunc) __Pyx_CyFunction_repr, + 0, + 0, + 0, + 0, + __Pyx_CyFunction_CallAsMethod, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, + 0, + (traverseproc) __Pyx_CyFunction_traverse, + (inquiry) __Pyx_CyFunction_clear, + 0, +#if PY_VERSION_HEX < 0x030500A0 + offsetof(__pyx_CyFunctionObject, func_weakreflist), +#else + offsetof(PyCFunctionObject, m_weakreflist), +#endif + 0, + 0, + __pyx_CyFunction_methods, + __pyx_CyFunction_members, + __pyx_CyFunction_getsets, + 0, + 0, + __Pyx_CyFunction_descr_get, + 0, + offsetof(__pyx_CyFunctionObject, func_dict), + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if PY_VERSION_HEX >= 0x030400a1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +static int __pyx_CyFunction_init(void) { + __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type); + if (unlikely(__pyx_CyFunctionType == NULL)) { + return -1; + } + return 0; +} +static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) { + __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func; + m->defaults = PyObject_Malloc(size); + if (unlikely(!m->defaults)) + return PyErr_NoMemory(); + memset(m->defaults, 0, size); + m->defaults_pyobjects = pyobjects; + m->defaults_size = size; + return m->defaults; +} +static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) { + __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func; + m->defaults_tuple = tuple; + Py_INCREF(tuple); +} +static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) { + __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func; + m->defaults_kwdict = dict; + Py_INCREF(dict); +} +static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) { + __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func; + m->func_annotations = dict; + Py_INCREF(dict); +} + +/* CythonFunction */ +static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname, + PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) { + PyObject *op = __Pyx_CyFunction_Init( + PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType), + ml, flags, qualname, closure, module, globals, code + ); + if (likely(op)) { + PyObject_GC_Track(op); + } + return op; +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* CallNextTpDealloc */ +static void __Pyx_call_next_tp_dealloc(PyObject* obj, destructor current_tp_dealloc) { + PyTypeObject* type = Py_TYPE(obj); + while (type && type->tp_dealloc != current_tp_dealloc) + type = type->tp_base; + while (type && type->tp_dealloc == current_tp_dealloc) + type = type->tp_base; + if (type) + type->tp_dealloc(obj); +} + +/* CallNextTpTraverse */ +static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse) { + PyTypeObject* type = Py_TYPE(obj); + while (type && type->tp_traverse != current_tp_traverse) + type = type->tp_base; + while (type && type->tp_traverse == current_tp_traverse) + type = type->tp_base; + if (type && type->tp_traverse) + return type->tp_traverse(obj, v, a); + return 0; +} + +/* CallNextTpClear */ +static void __Pyx_call_next_tp_clear(PyObject* obj, inquiry current_tp_clear) { + PyTypeObject* type = Py_TYPE(obj); + while (type && type->tp_clear != current_tp_clear) + type = type->tp_base; + while (type && type->tp_clear == current_tp_clear) + type = type->tp_base; + if (type && type->tp_clear) + type->tp_clear(obj); +} + +/* SetVTable */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable) { +#if PY_VERSION_HEX >= 0x02070000 + PyObject *ob = PyCapsule_New(vtable, 0, 0); +#else + PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); +#endif + if (!ob) + goto bad; + if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) + goto bad; + Py_DECREF(ob); + return 0; +bad: + Py_XDECREF(ob); + return -1; +} + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* GetVTable */ +static void* __Pyx_GetVtable(PyObject *dict) { + void* ptr; + PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable); + if (!ob) + goto bad; +#if PY_VERSION_HEX >= 0x02070000 + ptr = PyCapsule_GetPointer(ob, 0); +#else + ptr = PyCObject_AsVoidPtr(ob); +#endif + if (!ptr && !PyErr_Occurred()) + PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type"); + Py_DECREF(ob); + return ptr; +bad: + Py_XDECREF(ob); + return NULL; +} + +/* PatchInspect */ +static PyObject* __Pyx_patch_inspect(PyObject* module) { +#if defined(__Pyx_Generator_USED) && (!defined(CYTHON_PATCH_INSPECT) || CYTHON_PATCH_INSPECT) + static int inspect_patched = 0; + if (unlikely((!inspect_patched) && module)) { + module = __Pyx_Coroutine_patch_module( + module, "" +"old_types = getattr(_module.isgenerator, '_cython_generator_types', None)\n" +"if old_types is None or not isinstance(old_types, set):\n" +" old_types = set()\n" +" def cy_wrap(orig_func, type=type, cython_generator_types=old_types):\n" +" def cy_isgenerator(obj): return type(obj) in cython_generator_types or orig_func(obj)\n" +" cy_isgenerator._cython_generator_types = cython_generator_types\n" +" return cy_isgenerator\n" +" _module.isgenerator = cy_wrap(_module.isgenerator)\n" +"old_types.add(_cython_generator_type)\n" + ); + inspect_patched = 1; + } +#else + if ((0)) return __Pyx_Coroutine_patch_module(module, NULL); +#endif + return module; +} + +/* PatchAsyncIO */ +static PyObject* __Pyx_patch_asyncio(PyObject* module) { +#if PY_VERSION_HEX < 0x030500B2 &&\ + (defined(__Pyx_Coroutine_USED) || defined(__Pyx_Generator_USED)) &&\ + (!defined(CYTHON_PATCH_ASYNCIO) || CYTHON_PATCH_ASYNCIO) + PyObject *patch_module = NULL; + static int asyncio_patched = 0; + if (unlikely((!asyncio_patched) && module)) { + PyObject *package; + package = __Pyx_Import(__pyx_n_s_asyncio_coroutines, NULL, 0); + if (package) { + patch_module = __Pyx_Coroutine_patch_module( + PyObject_GetAttrString(package, "coroutines"), "" +"try:\n" +" coro_types = _module._COROUTINE_TYPES\n" +"except AttributeError: pass\n" +"else:\n" +" if _cython_coroutine_type is not None and _cython_coroutine_type not in coro_types:\n" +" coro_types = tuple(coro_types) + (_cython_coroutine_type,)\n" +" if _cython_generator_type is not None and _cython_generator_type not in coro_types:\n" +" coro_types = tuple(coro_types) + (_cython_generator_type,)\n" +"_module._COROUTINE_TYPES = coro_types\n" + ); + } else { + PyErr_Clear(); + package = __Pyx_Import(__pyx_n_s_asyncio_tasks, NULL, 0); + if (unlikely(!package)) goto asyncio_done; + patch_module = __Pyx_Coroutine_patch_module( + PyObject_GetAttrString(package, "tasks"), "" +"if hasattr(_module, 'iscoroutine'):\n" +" old_types = getattr(_module.iscoroutine, '_cython_coroutine_types', None)\n" +" if old_types is None or not isinstance(old_types, set):\n" +" old_types = set()\n" +" def cy_wrap(orig_func, type=type, cython_coroutine_types=old_types):\n" +" def cy_iscoroutine(obj): return type(obj) in cython_coroutine_types or orig_func(obj)\n" +" cy_iscoroutine._cython_coroutine_types = cython_coroutine_types\n" +" return cy_iscoroutine\n" +" _module.iscoroutine = cy_wrap(_module.iscoroutine)\n" +" if _cython_coroutine_type is not None:\n" +" old_types.add(_cython_coroutine_type)\n" +" if _cython_generator_type is not None:\n" +" old_types.add(_cython_generator_type)\n" + ); + } + Py_DECREF(package); + if (unlikely(!patch_module)) goto ignore; +asyncio_done: + PyErr_Clear(); + asyncio_patched = 1; +#ifdef __Pyx_Generator_USED + { + PyObject *inspect_module; + if (patch_module) { + inspect_module = PyObject_GetAttr(patch_module, __pyx_n_s_inspect); + Py_DECREF(patch_module); + } else { + inspect_module = __Pyx_Import(__pyx_n_s_inspect, NULL, 0); + } + if (unlikely(!inspect_module)) goto ignore; + inspect_module = __Pyx_patch_inspect(inspect_module); + if (unlikely(!inspect_module)) { + Py_DECREF(module); + module = NULL; + } + Py_XDECREF(inspect_module); + } +#else + if ((0)) return __Pyx_patch_inspect(module); +#endif + } + return module; +ignore: + PyErr_WriteUnraisable(module); + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch asyncio package with custom generator type", 1) < 0)) { + Py_DECREF(module); + module = NULL; + } +#else + if ((0)) return __Pyx_patch_inspect(__Pyx_Coroutine_patch_module(module, NULL)); +#endif + return module; +} + +/* CalculateMetaclass */ +static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) { + Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases); + for (i=0; i < nbases; i++) { + PyTypeObject *tmptype; + PyObject *tmp = PyTuple_GET_ITEM(bases, i); + tmptype = Py_TYPE(tmp); +#if PY_MAJOR_VERSION < 3 + if (tmptype == &PyClass_Type) + continue; +#endif + if (!metaclass) { + metaclass = tmptype; + continue; + } + if (PyType_IsSubtype(metaclass, tmptype)) + continue; + if (PyType_IsSubtype(tmptype, metaclass)) { + metaclass = tmptype; + continue; + } + PyErr_SetString(PyExc_TypeError, + "metaclass conflict: " + "the metaclass of a derived class " + "must be a (non-strict) subclass " + "of the metaclasses of all its bases"); + return NULL; + } + if (!metaclass) { +#if PY_MAJOR_VERSION < 3 + metaclass = &PyClass_Type; +#else + metaclass = &PyType_Type; +#endif + } + Py_INCREF((PyObject*) metaclass); + return (PyObject*) metaclass; +} + +/* Py3ClassCreate */ +static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, + PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) { + PyObject *ns; + if (metaclass) { + PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare_2); + if (prep) { + PyObject *pargs = PyTuple_Pack(2, name, bases); + if (unlikely(!pargs)) { + Py_DECREF(prep); + return NULL; + } + ns = PyObject_Call(prep, pargs, mkw); + Py_DECREF(prep); + Py_DECREF(pargs); + } else { + if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + PyErr_Clear(); + ns = PyDict_New(); + } + } else { + ns = PyDict_New(); + } + if (unlikely(!ns)) + return NULL; + if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad; + if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad; + if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad; + return ns; +bad: + Py_DECREF(ns); + return NULL; +} +static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, + PyObject *dict, PyObject *mkw, + int calculate_metaclass, int allow_py2_metaclass) { + PyObject *result, *margs; + PyObject *owned_metaclass = NULL; + if (allow_py2_metaclass) { + owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass); + if (owned_metaclass) { + metaclass = owned_metaclass; + } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) { + PyErr_Clear(); + } else { + return NULL; + } + } + if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) { + metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases); + Py_XDECREF(owned_metaclass); + if (unlikely(!metaclass)) + return NULL; + owned_metaclass = metaclass; + } + margs = PyTuple_Pack(3, name, bases, dict); + if (unlikely(!margs)) { + result = NULL; + } else { + result = PyObject_Call(metaclass, margs, mkw); + Py_DECREF(margs); + } + Py_XDECREF(owned_metaclass); + return result; +} + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) ((enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_AuthenticationMessage), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value) { + const int32_t neg_one = (int32_t) ((int32_t) 0 - (int32_t) 1), const_zero = (int32_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int32_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int32_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int32_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int32_t), + little, !is_unsigned); + } +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ResultType(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) ((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint64_t(uint64_t value) { + const uint64_t neg_one = (uint64_t) ((uint64_t) 0 - (uint64_t) 1), const_zero = (uint64_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint64_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint64_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint64_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint64_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum____pyx_t_7asyncpg_8protocol_8protocol_CodecType(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType value) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) ((enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_CodecType), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) { + const uint32_t neg_one = (uint32_t) ((uint32_t) 0 - (uint32_t) 1), const_zero = (uint32_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint32_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint32_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint32_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint32_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* UnicodeAsUCS4 */ +static CYTHON_INLINE Py_UCS4 __Pyx_PyUnicode_AsPy_UCS4(PyObject* x) { + Py_ssize_t length; + #if CYTHON_PEP393_ENABLED + length = PyUnicode_GET_LENGTH(x); + if (likely(length == 1)) { + return PyUnicode_READ_CHAR(x, 0); + } + #else + length = PyUnicode_GET_SIZE(x); + if (likely(length == 1)) { + return PyUnicode_AS_UNICODE(x)[0]; + } + #if Py_UNICODE_SIZE == 2 + else if (PyUnicode_GET_SIZE(x) == 2) { + Py_UCS4 high_val = PyUnicode_AS_UNICODE(x)[0]; + if (high_val >= 0xD800 && high_val <= 0xDBFF) { + Py_UCS4 low_val = PyUnicode_AS_UNICODE(x)[1]; + if (low_val >= 0xDC00 && low_val <= 0xDFFF) { + return 0x10000 + (((high_val & ((1<<10)-1)) << 10) | (low_val & ((1<<10)-1))); + } + } + } + #endif + #endif + PyErr_Format(PyExc_ValueError, + "only single character unicode strings can be converted to Py_UCS4, " + "got length %" CYTHON_FORMAT_SSIZE_T "d", length); + return (Py_UCS4)-1; +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value) { + const int64_t neg_one = (int64_t) ((int64_t) 0 - (int64_t) 1), const_zero = (int64_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int64_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int64_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int64_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int64_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_ptrdiff_t(ptrdiff_t value) { + const ptrdiff_t neg_one = (ptrdiff_t) ((ptrdiff_t) 0 - (ptrdiff_t) 1), const_zero = (ptrdiff_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(ptrdiff_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(ptrdiff_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(ptrdiff_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(ptrdiff_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(ptrdiff_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(ptrdiff_t), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value) { + const char neg_one = (char) ((char) 0 - (char) 1), const_zero = (char) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(char) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(char) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(char) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(char), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int16_t(int16_t value) { + const int16_t neg_one = (int16_t) ((int16_t) 0 - (int16_t) 1), const_zero = (int16_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int16_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int16_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int16_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int16_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int16_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int16_t), + little, !is_unsigned); + } +} + +/* CIntFromPy */ +static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *x) { + const int32_t neg_one = (int32_t) ((int32_t) 0 - (int32_t) 1), const_zero = (int32_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int32_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int32_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int32_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int32_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int32_t, digit, digits[0]) + case 2: + if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 2 * PyLong_SHIFT) { + return (int32_t) (((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 3 * PyLong_SHIFT) { + return (int32_t) (((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) >= 4 * PyLong_SHIFT) { + return (int32_t) (((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int32_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int32_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int32_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int32_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int32_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int32_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + return (int32_t) ((((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + return (int32_t) ((((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 4 * PyLong_SHIFT) { + return (int32_t) (((int32_t)-1)*(((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int32_t) - 1 > 4 * PyLong_SHIFT) { + return (int32_t) ((((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int32_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int32_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int32_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int32_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int32_t) -1; + } + } else { + int32_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int32_t) -1; + val = __Pyx_PyInt_As_int32_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int32_t"); + return (int32_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int32_t"); + return (int32_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ConnectionStatus) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ResultType(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ResultType(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ResultType) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ProtocolState(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ProtocolState) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) ((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) (((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_TransactionStatus) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(PyObject *x) { + const uint64_t neg_one = (uint64_t) ((uint64_t) 0 - (uint64_t) 1), const_zero = (uint64_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint64_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint64_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint64_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint64_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 2 * PyLong_SHIFT) { + return (uint64_t) (((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 3 * PyLong_SHIFT) { + return (uint64_t) (((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 4 * PyLong_SHIFT) { + return (uint64_t) (((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint64_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint64_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint64_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint64_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint64_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint64_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + return (uint64_t) ((((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + return (uint64_t) ((((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 4 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 4 * PyLong_SHIFT) { + return (uint64_t) ((((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint64_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint64_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint64_t) -1; + } + } else { + uint64_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint64_t) -1; + val = __Pyx_PyInt_As_uint64_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint64_t"); + return (uint64_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint64_t"); + return (uint64_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *x) { + const uint32_t neg_one = (uint32_t) ((uint32_t) 0 - (uint32_t) 1), const_zero = (uint32_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint32_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint32_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint32_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint32_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 2 * PyLong_SHIFT) { + return (uint32_t) (((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 3 * PyLong_SHIFT) { + return (uint32_t) (((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) >= 4 * PyLong_SHIFT) { + return (uint32_t) (((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint32_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint32_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint32_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint32_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint32_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint32_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + return (uint32_t) ((((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + return (uint32_t) ((((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) { + return (uint32_t) (((uint32_t)-1)*(((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) { + return (uint32_t) ((((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint32_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint32_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint32_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint32_t) -1; + } + } else { + uint32_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint32_t) -1; + val = __Pyx_PyInt_As_uint32_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint32_t"); + return (uint32_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint32_t"); + return (uint32_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ServerDataFormat) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat(PyObject *x) { + const enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat neg_one = (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) ((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0 - (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 1), const_zero = (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, digit, digits[0]) + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) >= 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) >= 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) >= 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, digit, +digits[0]) + case -2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)-1)*(((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 2 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) ((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)-1)*(((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 3 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) ((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) (((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)-1)*(((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) - 1 > 4 * PyLong_SHIFT) { + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) ((((((((((enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[3]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[2]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[1]) << PyLong_SHIFT) | (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) -1; + } + } else { + enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) -1; + val = __Pyx_PyInt_As_enum____pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat"); + return (enum __pyx_t_7asyncpg_8protocol_8protocol_ClientExchangeFormat) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int64_t __Pyx_PyInt_As_int64_t(PyObject *x) { + const int64_t neg_one = (int64_t) ((int64_t) 0 - (int64_t) 1), const_zero = (int64_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int64_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int64_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int64_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int64_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(int64_t, digit, digits[0]) + case 2: + if (8 * sizeof(int64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 2 * PyLong_SHIFT) { + return (int64_t) (((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 3 * PyLong_SHIFT) { + return (int64_t) (((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) >= 4 * PyLong_SHIFT) { + return (int64_t) (((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int64_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int64_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int64_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(int64_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int64_t, digit, +digits[0]) + case -2: + if (8 * sizeof(int64_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + return (int64_t) ((((((int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int64_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + return (int64_t) ((((((((int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int64_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 4 * PyLong_SHIFT) { + return (int64_t) (((int64_t)-1)*(((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int64_t) - 1 > 4 * PyLong_SHIFT) { + return (int64_t) ((((((((((int64_t)digits[3]) << PyLong_SHIFT) | (int64_t)digits[2]) << PyLong_SHIFT) | (int64_t)digits[1]) << PyLong_SHIFT) | (int64_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int64_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int64_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int64_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int64_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int64_t) -1; + } + } else { + int64_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int64_t) -1; + val = __Pyx_PyInt_As_int64_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int64_t"); + return (int64_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int64_t"); + return (int64_t) -1; +} + +/* ObjectAsUCS4 */ +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4_raise_error(long ival) { + if (ival < 0) { + if (!PyErr_Occurred()) + PyErr_SetString(PyExc_OverflowError, + "cannot convert negative value to Py_UCS4"); + } else { + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to Py_UCS4"); + } + return (Py_UCS4)-1; +} +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4(PyObject* x) { + long ival; + ival = __Pyx_PyInt_As_long(x); + if (unlikely(!__Pyx_is_valid_index(ival, 1114111 + 1))) { + return __Pyx__PyObject_AsPy_UCS4_raise_error(ival); + } + return (Py_UCS4)ival; +} + +/* Generator */ +static PyMethodDef __pyx_Generator_methods[] = { + {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O, + (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")}, + {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS, + (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")}, + {"close", (PyCFunction) __Pyx_Coroutine_Close_Method, METH_NOARGS, + (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")}, + {0, 0, 0, 0} +}; +static PyMemberDef __pyx_Generator_memberlist[] = { + {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL}, + {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY, + (char*) PyDoc_STR("object being iterated by 'yield from', or None")}, + {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL}, + {0, 0, 0, 0, 0} +}; +static PyGetSetDef __pyx_Generator_getsets[] = { + {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name, + (char*) PyDoc_STR("name of the generator"), 0}, + {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname, + (char*) PyDoc_STR("qualified name of the generator"), 0}, + {0, 0, 0, 0, 0} +}; +static PyTypeObject __pyx_GeneratorType_type = { + PyVarObject_HEAD_INIT(0, 0) + "generator", + sizeof(__pyx_CoroutineObject), + 0, + (destructor) __Pyx_Coroutine_dealloc, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, + 0, + (traverseproc) __Pyx_Coroutine_traverse, + 0, + 0, + offsetof(__pyx_CoroutineObject, gi_weakreflist), + 0, + (iternextfunc) __Pyx_Generator_Next, + __pyx_Generator_methods, + __pyx_Generator_memberlist, + __pyx_Generator_getsets, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if CYTHON_USE_TP_FINALIZE + 0, +#else + __Pyx_Coroutine_del, +#endif + 0, +#if CYTHON_USE_TP_FINALIZE + __Pyx_Coroutine_del, +#elif PY_VERSION_HEX >= 0x030400a1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +static int __pyx_Generator_init(void) { + __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict; + __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter; + __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type); + if (unlikely(!__pyx_GeneratorType)) { + return -1; + } + return 0; +} + +/* IterableCoroutine */ +static PyTypeObject __pyx_IterableCoroutineType_type = { + PyVarObject_HEAD_INIT(0, 0) + "iterable_coroutine", + sizeof(__pyx_CoroutineObject), + 0, + (destructor) __Pyx_Coroutine_dealloc, + 0, + 0, + 0, +#if CYTHON_USE_ASYNC_SLOTS + &__pyx_Coroutine_as_async, +#else + 0, +#endif + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, + 0, + (traverseproc) __Pyx_Coroutine_traverse, + 0, +#if CYTHON_USE_ASYNC_SLOTS && CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3 && PY_VERSION_HEX < 0x030500B1 + __Pyx_Coroutine_compare, +#else + 0, +#endif + offsetof(__pyx_CoroutineObject, gi_weakreflist), + __Pyx_Coroutine_await, + (iternextfunc) __Pyx_Generator_Next, + __pyx_Coroutine_methods, + __pyx_Coroutine_memberlist, + __pyx_Coroutine_getsets, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if PY_VERSION_HEX >= 0x030400a1 + 0, +#else + __Pyx_Coroutine_del, +#endif + 0, +#if PY_VERSION_HEX >= 0x030400a1 + __Pyx_Coroutine_del, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +static int __pyx_IterableCoroutine_init(void) { + __pyx_IterableCoroutineType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict; + __pyx_IterableCoroutineType = __Pyx_FetchCommonType(&__pyx_IterableCoroutineType_type); + if (unlikely(!__pyx_IterableCoroutineType)) + return -1; + return 0; +} + +/* CheckBinaryVersion */ +static int __Pyx_check_binary_version(void) { + char ctversion[4], rtversion[4]; + PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION); + PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion()); + if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) { + char message[200]; + PyOS_snprintf(message, sizeof(message), + "compiletime version %s of module '%.100s' " + "does not match runtime version %s", + ctversion, __Pyx_MODULE_NAME, rtversion); + return PyErr_WarnEx(NULL, message, 1); + } + return 0; +} + +/* VoidPtrExport */ +static int __Pyx_ExportVoidPtr(PyObject *name, void *p, const char *sig) { + PyObject *d; + PyObject *cobj = 0; + d = PyDict_GetItem(__pyx_d, __pyx_n_s_pyx_capi); + Py_XINCREF(d); + if (!d) { + d = PyDict_New(); + if (!d) + goto bad; + if (__Pyx_PyObject_SetAttrStr(__pyx_m, __pyx_n_s_pyx_capi, d) < 0) + goto bad; + } +#if PY_VERSION_HEX >= 0x02070000 + cobj = PyCapsule_New(p, sig, 0); +#else + cobj = PyCObject_FromVoidPtrAndDesc(p, (void *)sig, 0); +#endif + if (!cobj) + goto bad; + if (PyDict_SetItem(d, name, cobj) < 0) + goto bad; + Py_DECREF(cobj); + Py_DECREF(d); + return 0; +bad: + Py_XDECREF(cobj); + Py_XDECREF(d); + return -1; +} + +/* FunctionImport */ +#ifndef __PYX_HAVE_RT_ImportFunction +#define __PYX_HAVE_RT_ImportFunction +static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) { + PyObject *d = 0; + PyObject *cobj = 0; + union { + void (*fp)(void); + void *p; + } tmp; + d = PyObject_GetAttrString(module, (char *)"__pyx_capi__"); + if (!d) + goto bad; + cobj = PyDict_GetItemString(d, funcname); + if (!cobj) { + PyErr_Format(PyExc_ImportError, + "%.200s does not export expected C function %.200s", + PyModule_GetName(module), funcname); + goto bad; + } +#if PY_VERSION_HEX >= 0x02070000 + if (!PyCapsule_IsValid(cobj, sig)) { + PyErr_Format(PyExc_TypeError, + "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)", + PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj)); + goto bad; + } + tmp.p = PyCapsule_GetPointer(cobj, sig); +#else + {const char *desc, *s1, *s2; + desc = (const char *)PyCObject_GetDesc(cobj); + if (!desc) + goto bad; + s1 = desc; s2 = sig; + while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; } + if (*s1 != *s2) { + PyErr_Format(PyExc_TypeError, + "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)", + PyModule_GetName(module), funcname, sig, desc); + goto bad; + } + tmp.p = PyCObject_AsVoidPtr(cobj);} +#endif + *f = tmp.fp; + if (!(*f)) + goto bad; + Py_DECREF(d); + return 0; +bad: + Py_XDECREF(d); + return -1; +} +#endif + +/* InitStrings */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) { + while (t->p) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/asyncpg/protocol/protocol.pxd b/asyncpg/protocol/protocol.pxd new file mode 100644 index 0000000..14a7ecc --- /dev/null +++ b/asyncpg/protocol/protocol.pxd @@ -0,0 +1,77 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from libc.stdint cimport int16_t, int32_t, uint16_t, \ + uint32_t, int64_t, uint64_t + +from asyncpg.pgproto.debug cimport PG_DEBUG + +from asyncpg.pgproto.pgproto cimport ( + WriteBuffer, + ReadBuffer, + FRBuffer, +) + +from asyncpg.pgproto cimport pgproto + +include "consts.pxi" +include "pgtypes.pxi" + +include "codecs/base.pxd" +include "settings.pxd" +include "coreproto.pxd" +include "prepared_stmt.pxd" + + +cdef class BaseProtocol(CoreProtocol): + + cdef: + object loop + object address + ConnectionSettings settings + object cancel_sent_waiter + object cancel_waiter + object waiter + bint return_extra + object create_future + object timeout_handle + object timeout_callback + object completed_callback + object conref + bint is_reading + + str last_query + + bint writing_paused + bint closing + + readonly uint64_t queries_count + + PreparedStatementState statement + + cdef get_connection(self) + + cdef _get_timeout_impl(self, timeout) + cdef _check_state(self) + cdef _new_waiter(self, timeout) + cdef _coreproto_error(self) + + cdef _on_result__connect(self, object waiter) + cdef _on_result__prepare(self, object waiter) + cdef _on_result__bind_and_exec(self, object waiter) + cdef _on_result__close_stmt_or_portal(self, object waiter) + cdef _on_result__simple_query(self, object waiter) + cdef _on_result__bind(self, object waiter) + cdef _on_result__copy_out(self, object waiter) + cdef _on_result__copy_in(self, object waiter) + + cdef _handle_waiter_on_connection_lost(self, cause) + + cdef _dispatch_result(self) + + cdef inline resume_reading(self) + cdef inline pause_reading(self) diff --git a/asyncpg/protocol/protocol.pyx b/asyncpg/protocol/protocol.pyx new file mode 100644 index 0000000..857fb4c --- /dev/null +++ b/asyncpg/protocol/protocol.pyx @@ -0,0 +1,966 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +# cython: language_level=3 + +cimport cython +cimport cpython + +import asyncio +import builtins +import codecs +import collections +import socket +import time +import weakref + +from asyncpg.pgproto.pgproto cimport ( + WriteBuffer, + ReadBuffer, + + FRBuffer, + frb_init, + frb_read, + frb_read_all, + frb_slice_from, + frb_check, + frb_set_len, + frb_get_len, +) + +from asyncpg.pgproto cimport pgproto +from asyncpg.protocol cimport cpythonx +from asyncpg.protocol cimport record + +from libc.stdint cimport int8_t, uint8_t, int16_t, uint16_t, \ + int32_t, uint32_t, int64_t, uint64_t, \ + UINT32_MAX + +from asyncpg.exceptions import _base as apg_exc_base +from asyncpg import compat +from asyncpg import types as apg_types +from asyncpg import exceptions as apg_exc + +from asyncpg.pgproto cimport hton + + +include "consts.pxi" +include "pgtypes.pxi" + +include "encodings.pyx" +include "settings.pyx" + +include "codecs/base.pyx" +include "codecs/textutils.pyx" + +# register codecs provided by pgproto +include "codecs/pgproto.pyx" + +# nonscalar +include "codecs/array.pyx" +include "codecs/range.pyx" +include "codecs/record.pyx" + +include "coreproto.pyx" +include "prepared_stmt.pyx" + + +NO_TIMEOUT = object() + + +cdef class BaseProtocol(CoreProtocol): + def __init__(self, addr, connected_fut, con_params, loop): + # type of `con_params` is `_ConnectionParameters` + CoreProtocol.__init__(self, con_params) + + self.loop = loop + self.transport = None + self.waiter = connected_fut + self.cancel_waiter = None + self.cancel_sent_waiter = None + + self.address = addr + self.settings = ConnectionSettings((self.address, con_params.database)) + + self.statement = None + self.return_extra = False + + self.last_query = None + + self.closing = False + self.is_reading = True + self.writing_allowed = asyncio.Event() + self.writing_allowed.set() + + self.timeout_handle = None + self.timeout_callback = self._on_timeout + self.completed_callback = self._on_waiter_completed + + self.queries_count = 0 + + try: + self.create_future = loop.create_future + except AttributeError: + self.create_future = self._create_future_fallback + + def set_connection(self, connection): + self.conref = weakref.ref(connection) + + cdef get_connection(self): + if self.conref is not None: + return self.conref() + else: + return None + + def get_server_pid(self): + return self.backend_pid + + def get_settings(self): + return self.settings + + def is_in_transaction(self): + # PQTRANS_INTRANS = idle, within transaction block + # PQTRANS_INERROR = idle, within failed transaction + return self.xact_status in (PQTRANS_INTRANS, PQTRANS_INERROR) + + cdef inline resume_reading(self): + if not self.is_reading: + self.is_reading = True + self.transport.resume_reading() + + cdef inline pause_reading(self): + if self.is_reading: + self.is_reading = False + self.transport.pause_reading() + + @cython.iterable_coroutine + async def prepare(self, stmt_name, query, timeout, + PreparedStatementState state=None): + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + timeout = self._get_timeout_impl(timeout) + + waiter = self._new_waiter(timeout) + try: + self._prepare(stmt_name, query) # network op + self.last_query = query + if state is None: + state = PreparedStatementState(stmt_name, query, self) + self.statement = state + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def bind_execute(self, PreparedStatementState state, args, + str portal_name, int limit, return_extra, + timeout): + + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + timeout = self._get_timeout_impl(timeout) + args_buf = state._encode_bind_msg(args) + + waiter = self._new_waiter(timeout) + try: + self._bind_execute( + portal_name, + state.name, + args_buf, + limit) # network op + + self.last_query = state.query + self.statement = state + self.return_extra = return_extra + self.queries_count += 1 + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def bind_execute_many(self, PreparedStatementState state, args, + str portal_name, timeout): + + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + timeout = self._get_timeout_impl(timeout) + + # Make sure the argument sequence is encoded lazily with + # this generator expression to keep the memory pressure under + # control. + data_gen = (state._encode_bind_msg(b) for b in args) + arg_bufs = iter(data_gen) + + waiter = self._new_waiter(timeout) + try: + self._bind_execute_many( + portal_name, + state.name, + arg_bufs) # network op + + self.last_query = state.query + self.statement = state + self.return_extra = False + self.queries_count += 1 + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def bind(self, PreparedStatementState state, args, + str portal_name, timeout): + + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + timeout = self._get_timeout_impl(timeout) + args_buf = state._encode_bind_msg(args) + + waiter = self._new_waiter(timeout) + try: + self._bind( + portal_name, + state.name, + args_buf) # network op + + self.last_query = state.query + self.statement = state + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def execute(self, PreparedStatementState state, + str portal_name, int limit, return_extra, + timeout): + + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + timeout = self._get_timeout_impl(timeout) + + waiter = self._new_waiter(timeout) + try: + self._execute( + portal_name, + limit) # network op + + self.last_query = state.query + self.statement = state + self.return_extra = return_extra + self.queries_count += 1 + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def query(self, query, timeout): + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + # query() needs to call _get_timeout instead of _get_timeout_impl + # for consistent validation, as it is called differently from + # prepare/bind/execute methods. + timeout = self._get_timeout(timeout) + + waiter = self._new_waiter(timeout) + try: + self._simple_query(query) # network op + self.last_query = query + self.queries_count += 1 + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + @cython.iterable_coroutine + async def copy_out(self, copy_stmt, sink, timeout): + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + + timeout = self._get_timeout_impl(timeout) + timer = Timer(timeout) + + # The copy operation is guarded by a single timeout + # on the top level. + waiter = self._new_waiter(timer.get_remaining_budget()) + + self._copy_out(copy_stmt) + + try: + while True: + self.resume_reading() + + with timer: + buffer, done, status_msg = await waiter + + # buffer will be empty if CopyDone was received apart from + # the last CopyData message. + if buffer: + try: + with timer: + await asyncio.wait_for( + sink(buffer), + timeout=timer.get_remaining_budget()) + except (Exception, asyncio.CancelledError) as ex: + # Abort the COPY operation on any error in + # output sink. + self._request_cancel() + # Make asyncio shut up about unretrieved + # QueryCanceledError + waiter.add_done_callback(lambda f: f.exception()) + raise + + # done will be True upon receipt of CopyDone. + if done: + break + + waiter = self._new_waiter(timer.get_remaining_budget()) + + finally: + self.resume_reading() + + return status_msg + + @cython.iterable_coroutine + async def copy_in(self, copy_stmt, reader, data, + records, PreparedStatementState record_stmt, timeout): + cdef: + WriteBuffer wbuf + ssize_t num_cols + Codec codec + + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + + timeout = self._get_timeout_impl(timeout) + timer = Timer(timeout) + + waiter = self._new_waiter(timer.get_remaining_budget()) + + # Initiate COPY IN. + self._copy_in(copy_stmt) + + try: + if record_stmt is not None: + # copy_in_records in binary mode + wbuf = WriteBuffer.new() + # Signature + wbuf.write_bytes(_COPY_SIGNATURE) + # Flags field + wbuf.write_int32(0) + # No header extension + wbuf.write_int32(0) + + record_stmt._ensure_rows_decoder() + codecs = record_stmt.rows_codecs + num_cols = len(codecs) + settings = self.settings + + for codec in codecs: + if (not codec.has_encoder() or + codec.format != PG_FORMAT_BINARY): + raise apg_exc.InternalClientError( + 'no binary format encoder for ' + 'type {} (OID {})'.format(codec.name, codec.oid)) + + for row in records: + # Tuple header + wbuf.write_int16(num_cols) + # Tuple data + for i in range(num_cols): + item = row[i] + if item is None: + wbuf.write_int32(-1) + else: + codec = cpython.PyTuple_GET_ITEM(codecs, i) + codec.encode(settings, wbuf, item) + + if wbuf.len() >= _COPY_BUFFER_SIZE: + with timer: + await self.writing_allowed.wait() + self._write_copy_data_msg(wbuf) + wbuf = WriteBuffer.new() + + # End of binary copy. + wbuf.write_int16(-1) + self._write_copy_data_msg(wbuf) + + elif reader is not None: + try: + aiter = reader.__aiter__ + except AttributeError: + raise TypeError('reader is not an asynchronous iterable') + else: + iterator = aiter() + + try: + while True: + # We rely on protocol flow control to moderate the + # rate of data messages. + with timer: + await self.writing_allowed.wait() + with timer: + chunk = await asyncio.wait_for( + iterator.__anext__(), + timeout=timer.get_remaining_budget()) + self._write_copy_data_msg(chunk) + except builtins.StopAsyncIteration: + pass + else: + # Buffer passed in directly. + await self.writing_allowed.wait() + self._write_copy_data_msg(data) + + except asyncio.TimeoutError: + self._write_copy_fail_msg('TimeoutError') + self._on_timeout(self.waiter) + try: + await waiter + except TimeoutError: + raise + else: + raise apg_exc.InternalClientError('TimoutError was not raised') + + except (Exception, asyncio.CancelledError) as e: + self._write_copy_fail_msg(str(e)) + self._request_cancel() + # Make asyncio shut up about unretrieved QueryCanceledError + waiter.add_done_callback(lambda f: f.exception()) + raise + + self._write_copy_done_msg() + + status_msg = await waiter + + return status_msg + + @cython.iterable_coroutine + async def close_statement(self, PreparedStatementState state, timeout): + if self.cancel_waiter is not None: + await self.cancel_waiter + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + self._check_state() + + if state.refs != 0: + raise apg_exc.InternalClientError( + 'cannot close prepared statement; refs == {} != 0'.format( + state.refs)) + + timeout = self._get_timeout_impl(timeout) + waiter = self._new_waiter(timeout) + try: + self._close(state.name, False) # network op + state.closed = True + except Exception as ex: + waiter.set_exception(ex) + self._coreproto_error() + finally: + return await waiter + + def is_closed(self): + return self.closing + + def is_connected(self): + return not self.closing and self.con_status == CONNECTION_OK + + def abort(self): + if self.closing: + return + self.closing = True + self._handle_waiter_on_connection_lost(None) + self._terminate() + self.transport.abort() + + @cython.iterable_coroutine + async def close(self, timeout): + if self.closing: + return + + self.closing = True + + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + + if self.cancel_waiter is not None: + await self.cancel_waiter + + if self.waiter is not None: + # If there is a query running, cancel it + self._request_cancel() + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + if self.cancel_waiter is not None: + await self.cancel_waiter + + assert self.waiter is None + + timeout = self._get_timeout_impl(timeout) + + # Ask the server to terminate the connection and wait for it + # to drop. + self.waiter = self._new_waiter(timeout) + self._terminate() + try: + await self.waiter + except ConnectionResetError: + # There appears to be a difference in behaviour of asyncio + # in Windows, where, instead of calling protocol.connection_lost() + # a ConnectionResetError will be thrown into the task. + pass + finally: + self.waiter = None + self.transport.abort() + + def _request_cancel(self): + self.cancel_waiter = self.create_future() + self.cancel_sent_waiter = self.create_future() + + con = self.get_connection() + if con is not None: + # if 'con' is None it means that the connection object has been + # garbage collected and that the transport will soon be aborted. + con._cancel_current_command(self.cancel_sent_waiter) + else: + self.loop.call_exception_handler({ + 'message': 'asyncpg.Protocol has no reference to its ' + 'Connection object and yet a cancellation ' + 'was requested. Please report this at ' + 'github.com/magicstack/asyncpg.' + }) + self.abort() + + if self.state == PROTOCOL_PREPARE: + # we need to send a SYNC to server if we cancel during the PREPARE phase + # because the PREPARE sequence does not send a SYNC itself. + # we cannot send this extra SYNC if we are not in PREPARE phase, + # because then we would issue two SYNCs and we would get two ReadyForQuery + # replies, which our current state machine implementation cannot handle + self._write(SYNC_MESSAGE) + self._set_state(PROTOCOL_CANCELLED) + + def _on_timeout(self, fut): + if self.waiter is not fut or fut.done() or \ + self.cancel_waiter is not None or \ + self.timeout_handle is None: + return + self._request_cancel() + self.waiter.set_exception(asyncio.TimeoutError()) + + def _on_waiter_completed(self, fut): + if fut is not self.waiter or self.cancel_waiter is not None: + return + if fut.cancelled(): + if self.timeout_handle: + self.timeout_handle.cancel() + self.timeout_handle = None + self._request_cancel() + + def _create_future_fallback(self): + return asyncio.Future(loop=self.loop) + + cdef _handle_waiter_on_connection_lost(self, cause): + if self.waiter is not None and not self.waiter.done(): + exc = apg_exc.ConnectionDoesNotExistError( + 'connection was closed in the middle of ' + 'operation') + if cause is not None: + exc.__cause__ = cause + self.waiter.set_exception(exc) + self.waiter = None + + cdef _set_server_parameter(self, name, val): + self.settings.add_setting(name, val) + + def _get_timeout(self, timeout): + if timeout is not None: + try: + if type(timeout) is bool: + raise ValueError + timeout = float(timeout) + except ValueError: + raise ValueError( + 'invalid timeout value: expected non-negative float ' + '(got {!r})'.format(timeout)) from None + + return self._get_timeout_impl(timeout) + + cdef inline _get_timeout_impl(self, timeout): + if timeout is None: + timeout = self.get_connection()._config.command_timeout + elif timeout is NO_TIMEOUT: + timeout = None + else: + timeout = float(timeout) + + if timeout is not None and timeout <= 0: + raise asyncio.TimeoutError() + return timeout + + cdef _check_state(self): + if self.cancel_waiter is not None: + raise apg_exc.InterfaceError( + 'cannot perform operation: another operation is cancelling') + if self.closing: + raise apg_exc.InterfaceError( + 'cannot perform operation: connection is closed') + if self.waiter is not None or self.timeout_handle is not None: + raise apg_exc.InterfaceError( + 'cannot perform operation: another operation is in progress') + + def _is_cancelling(self): + return ( + self.cancel_waiter is not None or + self.cancel_sent_waiter is not None + ) + + @cython.iterable_coroutine + async def _wait_for_cancellation(self): + if self.cancel_sent_waiter is not None: + await self.cancel_sent_waiter + self.cancel_sent_waiter = None + if self.cancel_waiter is not None: + await self.cancel_waiter + + cdef _coreproto_error(self): + try: + if self.waiter is not None: + if not self.waiter.done(): + raise apg_exc.InternalClientError( + 'waiter is not done while handling critical ' + 'protocol error') + self.waiter = None + finally: + self.abort() + + cdef _new_waiter(self, timeout): + if self.waiter is not None: + raise apg_exc.InterfaceError( + 'cannot perform operation: another operation is in progress') + self.waiter = self.create_future() + if timeout is not None: + self.timeout_handle = self.loop.call_later( + timeout, self.timeout_callback, self.waiter) + self.waiter.add_done_callback(self.completed_callback) + return self.waiter + + cdef _on_result__connect(self, object waiter): + waiter.set_result(True) + + cdef _on_result__prepare(self, object waiter): + if PG_DEBUG: + if self.statement is None: + raise apg_exc.InternalClientError( + '_on_result__prepare: statement is None') + + if self.result_param_desc is not None: + self.statement._set_args_desc(self.result_param_desc) + if self.result_row_desc is not None: + self.statement._set_row_desc(self.result_row_desc) + waiter.set_result(self.statement) + + cdef _on_result__bind_and_exec(self, object waiter): + if self.return_extra: + waiter.set_result(( + self.result, + self.result_status_msg, + self.result_execute_completed)) + else: + waiter.set_result(self.result) + + cdef _on_result__bind(self, object waiter): + waiter.set_result(self.result) + + cdef _on_result__close_stmt_or_portal(self, object waiter): + waiter.set_result(self.result) + + cdef _on_result__simple_query(self, object waiter): + waiter.set_result(self.result_status_msg.decode(self.encoding)) + + cdef _on_result__copy_out(self, object waiter): + cdef bint copy_done = self.state == PROTOCOL_COPY_OUT_DONE + if copy_done: + status_msg = self.result_status_msg.decode(self.encoding) + else: + status_msg = None + + # We need to put some backpressure on Postgres + # here in case the sink is slow to process the output. + self.pause_reading() + + waiter.set_result((self.result, copy_done, status_msg)) + + cdef _on_result__copy_in(self, object waiter): + status_msg = self.result_status_msg.decode(self.encoding) + waiter.set_result(status_msg) + + cdef _decode_row(self, const char* buf, ssize_t buf_len): + if PG_DEBUG: + if self.statement is None: + raise apg_exc.InternalClientError( + '_decode_row: statement is None') + + return self.statement._decode_row(buf, buf_len) + + cdef _dispatch_result(self): + waiter = self.waiter + self.waiter = None + + if PG_DEBUG: + if waiter is None: + raise apg_exc.InternalClientError('_on_result: waiter is None') + + if waiter.cancelled(): + return + + if waiter.done(): + raise apg_exc.InternalClientError('_on_result: waiter is done') + + if self.result_type == RESULT_FAILED: + if isinstance(self.result, dict): + exc = apg_exc_base.PostgresError.new( + self.result, query=self.last_query) + else: + exc = self.result + waiter.set_exception(exc) + return + + try: + if self.state == PROTOCOL_AUTH: + self._on_result__connect(waiter) + + elif self.state == PROTOCOL_PREPARE: + self._on_result__prepare(waiter) + + elif self.state == PROTOCOL_BIND_EXECUTE: + self._on_result__bind_and_exec(waiter) + + elif self.state == PROTOCOL_BIND_EXECUTE_MANY: + self._on_result__bind_and_exec(waiter) + + elif self.state == PROTOCOL_EXECUTE: + self._on_result__bind_and_exec(waiter) + + elif self.state == PROTOCOL_BIND: + self._on_result__bind(waiter) + + elif self.state == PROTOCOL_CLOSE_STMT_PORTAL: + self._on_result__close_stmt_or_portal(waiter) + + elif self.state == PROTOCOL_SIMPLE_QUERY: + self._on_result__simple_query(waiter) + + elif (self.state == PROTOCOL_COPY_OUT_DATA or + self.state == PROTOCOL_COPY_OUT_DONE): + self._on_result__copy_out(waiter) + + elif self.state == PROTOCOL_COPY_IN_DATA: + self._on_result__copy_in(waiter) + + elif self.state == PROTOCOL_TERMINATING: + # We are waiting for the connection to drop, so + # ignore any stray results at this point. + pass + + else: + raise apg_exc.InternalClientError( + 'got result for unknown protocol state {}'. + format(self.state)) + + except Exception as exc: + waiter.set_exception(exc) + + cdef _on_result(self): + if self.timeout_handle is not None: + self.timeout_handle.cancel() + self.timeout_handle = None + + if self.cancel_waiter is not None: + # We have received the result of a cancelled command. + if not self.cancel_waiter.done(): + # The cancellation future might have been cancelled + # by the cancellation of the entire task running the query. + self.cancel_waiter.set_result(None) + self.cancel_waiter = None + if self.waiter is not None and self.waiter.done(): + self.waiter = None + if self.waiter is None: + return + + try: + self._dispatch_result() + finally: + self.statement = None + self.last_query = None + self.return_extra = False + + cdef _on_notice(self, parsed): + con = self.get_connection() + if con is not None: + con._process_log_message(parsed, self.last_query) + + cdef _on_notification(self, pid, channel, payload): + con = self.get_connection() + if con is not None: + con._process_notification(pid, channel, payload) + + cdef _on_connection_lost(self, exc): + if self.closing: + # The connection was lost because + # Protocol.close() was called + if self.waiter is not None and not self.waiter.done(): + if exc is None: + self.waiter.set_result(None) + else: + self.waiter.set_exception(exc) + self.waiter = None + else: + # The connection was lost because it was + # terminated or due to another error; + # Throw an error in any awaiting waiter. + self.closing = True + # Cleanup the connection resources, including, possibly, + # releasing the pool holder. + con = self.get_connection() + if con is not None: + con._cleanup() + self._handle_waiter_on_connection_lost(exc) + + cdef _write(self, buf): + self.transport.write(memoryview(buf)) + + # asyncio callbacks: + + def data_received(self, data): + self.buffer.feed_data(data) + self._read_server_messages() + + def connection_made(self, transport): + self.transport = transport + + sock = transport.get_extra_info('socket') + if (sock is not None and + (not hasattr(socket, 'AF_UNIX') + or sock.family != socket.AF_UNIX)): + sock.setsockopt(socket.IPPROTO_TCP, + socket.TCP_NODELAY, 1) + + try: + self._connect() + except Exception as ex: + transport.abort() + self.con_status = CONNECTION_BAD + self._set_state(PROTOCOL_FAILED) + self._on_error(ex) + + def connection_lost(self, exc): + self.con_status = CONNECTION_BAD + self._set_state(PROTOCOL_FAILED) + self._on_connection_lost(exc) + + def pause_writing(self): + self.writing_allowed.clear() + + def resume_writing(self): + self.writing_allowed.set() + + +class Timer: + def __init__(self, budget): + self._budget = budget + self._started = 0 + + def __enter__(self): + if self._budget is not None: + self._started = time.monotonic() + + def __exit__(self, et, e, tb): + if self._budget is not None: + self._budget -= time.monotonic() - self._started + + def get_remaining_budget(self): + return self._budget + + +class Protocol(BaseProtocol, asyncio.Protocol): + pass + + +def _create_record(object mapping, tuple elems): + # Exposed only for testing purposes. + + cdef: + object rec + int32_t i + + if mapping is None: + desc = record.ApgRecordDesc_New({}, ()) + else: + desc = record.ApgRecordDesc_New( + mapping, tuple(mapping) if mapping else ()) + + rec = record.ApgRecord_New(desc, len(elems)) + for i in range(len(elems)): + elem = elems[i] + cpython.Py_INCREF(elem) + record.ApgRecord_SET_ITEM(rec, i, elem) + return rec + + +Record = record.ApgRecord_InitTypes() diff --git a/asyncpg/protocol/record/__init__.pxd b/asyncpg/protocol/record/__init__.pxd new file mode 100644 index 0000000..3d6b5fd --- /dev/null +++ b/asyncpg/protocol/record/__init__.pxd @@ -0,0 +1,19 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cimport cpython + + +cdef extern from "record/recordobj.h": + + cpython.PyTypeObject *ApgRecord_InitTypes() except NULL + + int ApgRecord_CheckExact(object) + object ApgRecord_New(object, int) + void ApgRecord_SET_ITEM(object, int, object) + + object ApgRecordDesc_New(object, object) diff --git a/asyncpg/protocol/record/recordobj.c b/asyncpg/protocol/record/recordobj.c new file mode 100644 index 0000000..ec5bb9a --- /dev/null +++ b/asyncpg/protocol/record/recordobj.c @@ -0,0 +1,961 @@ +/* Big parts of this file are copied (with modifications) from + CPython/Objects/tupleobject.c. + + Portions Copyright (c) PSF (and other CPython copyright holders). + Portions Copyright (c) 2016-present MagicStack Inc. + License: PSFL v2; see CPython/LICENSE for details. +*/ + +#include "recordobj.h" + + +static PyObject * record_iter(PyObject *); +static PyObject * record_new_items_iter(PyObject *); + +static ApgRecordObject *free_list[ApgRecord_MAXSAVESIZE]; +static int numfree[ApgRecord_MAXSAVESIZE]; + + +PyObject * +ApgRecord_New(PyObject *desc, Py_ssize_t size) +{ + ApgRecordObject *o; + Py_ssize_t i; + + if (size < 0 || desc == NULL || !ApgRecordDesc_CheckExact(desc)) { + PyErr_BadInternalCall(); + return NULL; + } + + if (size < ApgRecord_MAXSAVESIZE && (o = free_list[size]) != NULL) { + free_list[size] = (ApgRecordObject *) o->ob_item[0]; + numfree[size]--; + _Py_NewReference((PyObject *)o); + } + else { + /* Check for overflow */ + if ((size_t)size > ((size_t)PY_SSIZE_T_MAX - sizeof(ApgRecordObject) - + sizeof(PyObject *)) / sizeof(PyObject *)) { + return PyErr_NoMemory(); + } + o = PyObject_GC_NewVar(ApgRecordObject, &ApgRecord_Type, size); + if (o == NULL) { + return NULL; + } + } + + for (i = 0; i < size; i++) { + o->ob_item[i] = NULL; + } + + Py_INCREF(desc); + o->desc = (ApgRecordDescObject*)desc; + o->self_hash = -1; + PyObject_GC_Track(o); + return (PyObject *) o; +} + + +static void +record_dealloc(ApgRecordObject *o) +{ + Py_ssize_t i; + Py_ssize_t len = Py_SIZE(o); + + PyObject_GC_UnTrack(o); + + o->self_hash = -1; + + Py_CLEAR(o->desc); + + Py_TRASHCAN_SAFE_BEGIN(o) + if (len > 0) { + i = len; + while (--i >= 0) { + Py_CLEAR(o->ob_item[i]); + } + + if (len < ApgRecord_MAXSAVESIZE && + numfree[len] < ApgRecord_MAXFREELIST && + ApgRecord_CheckExact(o)) + { + o->ob_item[0] = (PyObject *) free_list[len]; + numfree[len]++; + free_list[len] = o; + goto done; /* return */ + } + } + Py_TYPE(o)->tp_free((PyObject *)o); +done: + Py_TRASHCAN_SAFE_END(o) +} + + +static int +record_traverse(ApgRecordObject *o, visitproc visit, void *arg) +{ + Py_ssize_t i; + + Py_VISIT(o->desc); + + for (i = Py_SIZE(o); --i >= 0;) { + if (o->ob_item[i] != NULL) { + Py_VISIT(o->ob_item[i]); + } + } + + return 0; +} + + +static Py_ssize_t +record_length(ApgRecordObject *o) +{ + return Py_SIZE(o); +} + + +#if PY_VERSION_HEX >= 0x03080000 + +#if SIZEOF_PY_UHASH_T > 4 +#define _PyHASH_XXPRIME_1 ((Py_uhash_t)11400714785074694791ULL) +#define _PyHASH_XXPRIME_2 ((Py_uhash_t)14029467366897019727ULL) +#define _PyHASH_XXPRIME_5 ((Py_uhash_t)2870177450012600261ULL) +#define _PyHASH_XXROTATE(x) ((x << 31) | (x >> 33)) /* Rotate left 31 bits */ +#else +#define _PyHASH_XXPRIME_1 ((Py_uhash_t)2654435761UL) +#define _PyHASH_XXPRIME_2 ((Py_uhash_t)2246822519UL) +#define _PyHASH_XXPRIME_5 ((Py_uhash_t)374761393UL) +#define _PyHASH_XXROTATE(x) ((x << 13) | (x >> 19)) /* Rotate left 13 bits */ +#endif + +static Py_hash_t +record_hash(ApgRecordObject *v) +{ + Py_uhash_t acc = _PyHASH_XXPRIME_5; + size_t i, len = (size_t)Py_SIZE(v); + PyObject **els = v->ob_item; + for (i = 0; i < len; i++) { + Py_uhash_t lane = (Py_uhash_t)PyObject_Hash(els[i]); + if (lane == (Py_uhash_t)-1) { + return -1; + } + acc += lane * _PyHASH_XXPRIME_2; + acc = _PyHASH_XXROTATE(acc); + acc *= _PyHASH_XXPRIME_1; + } + + /* Add input length, mangled to keep the historical value of hash(()). */ + acc += len ^ (_PyHASH_XXPRIME_5 ^ 3527539UL); + + if (acc == (Py_uhash_t)-1) { + return 1546275796; + } + return (Py_hash_t)acc; +} + +#else + +static Py_hash_t +record_hash(ApgRecordObject *v) +{ + Py_uhash_t x; /* Unsigned for defined overflow behavior. */ + Py_hash_t y; + Py_ssize_t len; + PyObject **p; + Py_uhash_t mult; + + if (v->self_hash != -1) { + return v->self_hash; + } + + len = Py_SIZE(v); + mult = _PyHASH_MULTIPLIER; + + x = 0x345678UL; + p = v->ob_item; + while (--len >= 0) { + y = PyObject_Hash(*p++); + if (y == -1) { + return -1; + } + x = (x ^ (Py_uhash_t)y) * mult; + /* the cast might truncate len; that doesn't change hash stability */ + mult += (Py_uhash_t)(82520UL + (size_t)len + (size_t)len); + } + x += 97531UL; + if (x == (Py_uhash_t)-1) { + x = (Py_uhash_t)-2; + } + v->self_hash = (Py_hash_t)x; + return (Py_hash_t)x; +} + +#endif + + +static PyObject * +record_richcompare(PyObject *v, PyObject *w, int op) +{ + Py_ssize_t i; + Py_ssize_t vlen, wlen; + int v_is_tuple = 0; + int w_is_tuple = 0; + int comp; + + if (!ApgRecord_CheckExact(v)) { + if (!PyTuple_Check(v)) { + Py_RETURN_NOTIMPLEMENTED; + } + v_is_tuple = 1; + } + + if (!ApgRecord_CheckExact(w)) { + if (!PyTuple_Check(w)) { + Py_RETURN_NOTIMPLEMENTED; + } + w_is_tuple = 1; + } + +#define V_ITEM(i) \ + (v_is_tuple ? (PyTuple_GET_ITEM(v, i)) : (ApgRecord_GET_ITEM(v, i))) +#define W_ITEM(i) \ + (w_is_tuple ? (PyTuple_GET_ITEM(w, i)) : (ApgRecord_GET_ITEM(w, i))) + + vlen = Py_SIZE(v); + wlen = Py_SIZE(w); + + if (op == Py_EQ && vlen != wlen) { + /* Checking if v == w, but len(v) != len(w): return False */ + Py_RETURN_FALSE; + } + + if (op == Py_NE && vlen != wlen) { + /* Checking if v != w, and len(v) != len(w): return True */ + Py_RETURN_TRUE; + } + + /* Search for the first index where items are different. + * Note that because tuples are immutable, it's safe to reuse + * vlen and wlen across the comparison calls. + */ + for (i = 0; i < vlen && i < wlen; i++) { + comp = PyObject_RichCompareBool(V_ITEM(i), W_ITEM(i), Py_EQ); + if (comp < 0) { + return NULL; + } + if (!comp) { + break; + } + } + + if (i >= vlen || i >= wlen) { + /* No more items to compare -- compare sizes */ + int cmp; + switch (op) { + case Py_LT: cmp = vlen < wlen; break; + case Py_LE: cmp = vlen <= wlen; break; + case Py_EQ: cmp = vlen == wlen; break; + case Py_NE: cmp = vlen != wlen; break; + case Py_GT: cmp = vlen > wlen; break; + case Py_GE: cmp = vlen >= wlen; break; + default: return NULL; /* cannot happen */ + } + if (cmp) { + Py_RETURN_TRUE; + } + else { + Py_RETURN_FALSE; + } + } + + /* We have an item that differs -- shortcuts for EQ/NE */ + if (op == Py_EQ) { + Py_RETURN_FALSE; + } + if (op == Py_NE) { + Py_RETURN_TRUE; + } + + /* Compare the final item again using the proper operator */ + return PyObject_RichCompare(V_ITEM(i), W_ITEM(i), op); + +#undef V_ITEM +#undef W_ITEM +} + + +static PyObject * +record_item(ApgRecordObject *o, Py_ssize_t i) +{ + if (i < 0 || i >= Py_SIZE(o)) { + PyErr_SetString(PyExc_IndexError, "record index out of range"); + return NULL; + } + Py_INCREF(o->ob_item[i]); + return o->ob_item[i]; +} + + +typedef enum item_by_name_result { + APG_ITEM_FOUND = 0, + APG_ERROR = -1, + APG_ITEM_NOT_FOUND = -2 +} item_by_name_result_t; + + +/* Lookup a record value by its name. Return 0 on success, -2 if the + * value was not found (with KeyError set), and -1 on all other errors. + */ +static item_by_name_result_t +record_item_by_name(ApgRecordObject *o, PyObject *item, PyObject **result) +{ + PyObject *mapped; + PyObject *val; + Py_ssize_t i; + + mapped = PyObject_GetItem(o->desc->mapping, item); + if (mapped == NULL) { + goto noitem; + } + + if (!PyIndex_Check(mapped)) { + Py_DECREF(mapped); + goto error; + } + + i = PyNumber_AsSsize_t(mapped, PyExc_IndexError); + Py_DECREF(mapped); + + if (i < 0) { + if (PyErr_Occurred()) + PyErr_Clear(); + goto error; + } + + val = record_item(o, i); + if (val == NULL) { + PyErr_Clear(); + goto error; + } + + *result = val; + + return APG_ITEM_FOUND; + +noitem: + PyErr_SetObject(PyExc_KeyError, item); + return APG_ITEM_NOT_FOUND; + +error: + PyErr_SetString(PyExc_RuntimeError, "invalid record descriptor"); + return APG_ERROR; +} + + +static PyObject * +record_subscript(ApgRecordObject* o, PyObject* item) +{ + if (PyIndex_Check(item)) { + Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); + if (i == -1 && PyErr_Occurred()) + return NULL; + if (i < 0) { + i += Py_SIZE(o); + } + return record_item(o, i); + } + else if (PySlice_Check(item)) { + Py_ssize_t start, stop, step, slicelength, cur, i; + PyObject* result; + PyObject* it; + PyObject **src, **dest; + + if (PySlice_GetIndicesEx( + item, + Py_SIZE(o), + &start, &stop, &step, &slicelength) < 0) + { + return NULL; + } + + if (slicelength <= 0) { + return PyTuple_New(0); + } + else { + result = PyTuple_New(slicelength); + if (!result) return NULL; + + src = o->ob_item; + dest = ((PyTupleObject *)result)->ob_item; + for (cur = start, i = 0; i < slicelength; cur += step, i++) { + it = src[cur]; + Py_INCREF(it); + dest[i] = it; + } + + return result; + } + } + else { + PyObject* result; + + if (record_item_by_name(o, item, &result) < 0) + return NULL; + else + return result; + } +} + + +static PyObject * +record_repr(ApgRecordObject *v) +{ + Py_ssize_t i, n; + PyObject *keys_iter; + _PyUnicodeWriter writer; + + n = Py_SIZE(v); + if (n == 0) { + return PyUnicode_FromString(""); + } + + keys_iter = PyObject_GetIter(v->desc->keys); + if (keys_iter == NULL) { + return NULL; + } + + i = Py_ReprEnter((PyObject *)v); + if (i != 0) { + Py_DECREF(keys_iter); + return i > 0 ? PyUnicode_FromString("") : NULL; + } + + _PyUnicodeWriter_Init(&writer); + writer.overallocate = 1; + writer.min_length = 12; /* */ + + if (_PyUnicodeWriter_WriteASCIIString(&writer, " 0) { + if (_PyUnicodeWriter_WriteChar(&writer, ' ') < 0) { + goto error; + } + } + + if (Py_EnterRecursiveCall(" while getting the repr of a record")) { + goto error; + } + val_repr = PyObject_Repr(v->ob_item[i]); + Py_LeaveRecursiveCall(); + if (val_repr == NULL) { + goto error; + } + + key = PyIter_Next(keys_iter); + if (key == NULL) { + Py_DECREF(val_repr); + PyErr_SetString(PyExc_RuntimeError, "invalid record mapping"); + goto error; + } + + key_repr = PyObject_Str(key); + Py_DECREF(key); + if (key_repr == NULL) { + Py_DECREF(val_repr); + goto error; + } + + if (_PyUnicodeWriter_WriteStr(&writer, key_repr) < 0) { + Py_DECREF(key_repr); + Py_DECREF(val_repr); + goto error; + } + Py_DECREF(key_repr); + + if (_PyUnicodeWriter_WriteChar(&writer, '=') < 0) { + Py_DECREF(val_repr); + goto error; + } + + if (_PyUnicodeWriter_WriteStr(&writer, val_repr) < 0) { + Py_DECREF(val_repr); + goto error; + } + Py_DECREF(val_repr); + } + + writer.overallocate = 0; + if (_PyUnicodeWriter_WriteChar(&writer, '>') < 0) { + goto error; + } + + Py_DECREF(keys_iter); + Py_ReprLeave((PyObject *)v); + return _PyUnicodeWriter_Finish(&writer); + +error: + Py_DECREF(keys_iter); + _PyUnicodeWriter_Dealloc(&writer); + Py_ReprLeave((PyObject *)v); + return NULL; +} + + + +static PyObject * +record_values(PyObject *o, PyObject *args) +{ + return record_iter(o); +} + + +static PyObject * +record_keys(PyObject *o, PyObject *args) +{ + if (!ApgRecord_CheckExact(o)) { + PyErr_BadInternalCall(); + return NULL; + } + + return PyObject_GetIter(((ApgRecordObject*)o)->desc->keys); +} + + +static PyObject * +record_items(PyObject *o, PyObject *args) +{ + if (!ApgRecord_CheckExact(o)) { + PyErr_BadInternalCall(); + return NULL; + } + + return record_new_items_iter(o); +} + + +static int +record_contains(ApgRecordObject *o, PyObject *arg) +{ + if (!ApgRecord_CheckExact(o)) { + PyErr_BadInternalCall(); + return -1; + } + + return PySequence_Contains(o->desc->mapping, arg); +} + + +static PyObject * +record_get(ApgRecordObject* o, PyObject* args) +{ + PyObject *key; + PyObject *defval = Py_None; + PyObject *val = NULL; + int res; + + if (!PyArg_UnpackTuple(args, "get", 1, 2, &key, &defval)) + return NULL; + + res = record_item_by_name(o, key, &val); + if (res == APG_ITEM_NOT_FOUND) { + PyErr_Clear(); + Py_INCREF(defval); + val = defval; + } + + return val; +} + + +static PySequenceMethods record_as_sequence = { + (lenfunc)record_length, /* sq_length */ + 0, /* sq_concat */ + 0, /* sq_repeat */ + (ssizeargfunc)record_item, /* sq_item */ + 0, /* sq_slice */ + 0, /* sq_ass_item */ + 0, /* sq_ass_slice */ + (objobjproc)record_contains, /* sq_contains */ +}; + + +static PyMappingMethods record_as_mapping = { + (lenfunc)record_length, /* mp_length */ + (binaryfunc)record_subscript, /* mp_subscript */ + 0 /* mp_ass_subscript */ +}; + + +static PyMethodDef record_methods[] = { + {"values", (PyCFunction)record_values, METH_NOARGS}, + {"keys", (PyCFunction)record_keys, METH_NOARGS}, + {"items", (PyCFunction)record_items, METH_NOARGS}, + {"get", (PyCFunction)record_get, METH_VARARGS}, + {NULL, NULL} /* sentinel */ +}; + + +PyTypeObject ApgRecord_Type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "asyncpg.Record", + .tp_basicsize = sizeof(ApgRecordObject) - sizeof(PyObject *), + .tp_itemsize = sizeof(PyObject *), + .tp_dealloc = (destructor)record_dealloc, + .tp_repr = (reprfunc)record_repr, + .tp_as_sequence = &record_as_sequence, + .tp_as_mapping = &record_as_mapping, + .tp_hash = (hashfunc)record_hash, + .tp_getattro = PyObject_GenericGetAttr, + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE, + .tp_traverse = (traverseproc)record_traverse, + .tp_richcompare = record_richcompare, + .tp_iter = record_iter, + .tp_methods = record_methods, + .tp_free = PyObject_GC_Del, +}; + + +/* Record Iterator */ + + +typedef struct { + PyObject_HEAD + Py_ssize_t it_index; + ApgRecordObject *it_seq; /* Set to NULL when iterator is exhausted */ +} ApgRecordIterObject; + + +static void +record_iter_dealloc(ApgRecordIterObject *it) +{ + PyObject_GC_UnTrack(it); + Py_CLEAR(it->it_seq); + PyObject_GC_Del(it); +} + + +static int +record_iter_traverse(ApgRecordIterObject *it, visitproc visit, void *arg) +{ + Py_VISIT(it->it_seq); + return 0; +} + + +static PyObject * +record_iter_next(ApgRecordIterObject *it) +{ + ApgRecordObject *seq; + PyObject *item; + + assert(it != NULL); + seq = it->it_seq; + if (seq == NULL) + return NULL; + assert(ApgRecord_CheckExact(seq)); + + if (it->it_index < Py_SIZE(seq)) { + item = ApgRecord_GET_ITEM(seq, it->it_index); + ++it->it_index; + Py_INCREF(item); + return item; + } + + it->it_seq = NULL; + Py_DECREF(seq); + return NULL; +} + + +static PyObject * +record_iter_len(ApgRecordIterObject *it) +{ + Py_ssize_t len = 0; + if (it->it_seq) { + len = Py_SIZE(it->it_seq) - it->it_index; + } + return PyLong_FromSsize_t(len); +} + + +PyDoc_STRVAR(record_iter_len_doc, + "Private method returning an estimate of len(list(it))."); + + +static PyMethodDef record_iter_methods[] = { + {"__length_hint__", (PyCFunction)record_iter_len, METH_NOARGS, + record_iter_len_doc}, + {NULL, NULL} /* sentinel */ +}; + + +PyTypeObject ApgRecordIter_Type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "RecordIterator", + .tp_basicsize = sizeof(ApgRecordIterObject), + .tp_dealloc = (destructor)record_iter_dealloc, + .tp_getattro = PyObject_GenericGetAttr, + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, + .tp_traverse = (traverseproc)record_iter_traverse, + .tp_iter = PyObject_SelfIter, + .tp_iternext = (iternextfunc)record_iter_next, + .tp_methods = record_iter_methods, +}; + + +static PyObject * +record_iter(PyObject *seq) +{ + ApgRecordIterObject *it; + + if (!ApgRecord_CheckExact(seq)) { + PyErr_BadInternalCall(); + return NULL; + } + it = PyObject_GC_New(ApgRecordIterObject, &ApgRecordIter_Type); + if (it == NULL) + return NULL; + it->it_index = 0; + Py_INCREF(seq); + it->it_seq = (ApgRecordObject *)seq; + PyObject_GC_Track(it); + return (PyObject *)it; +} + + +/* Record Items Iterator */ + + +typedef struct { + PyObject_HEAD + Py_ssize_t it_index; + PyObject *it_key_iter; + ApgRecordObject *it_seq; /* Set to NULL when iterator is exhausted */ +} ApgRecordItemsObject; + + +static void +record_items_dealloc(ApgRecordItemsObject *it) +{ + PyObject_GC_UnTrack(it); + Py_CLEAR(it->it_key_iter); + Py_CLEAR(it->it_seq); + PyObject_GC_Del(it); +} + + +static int +record_items_traverse(ApgRecordItemsObject *it, visitproc visit, void *arg) +{ + Py_VISIT(it->it_key_iter); + Py_VISIT(it->it_seq); + return 0; +} + + +static PyObject * +record_items_next(ApgRecordItemsObject *it) +{ + ApgRecordObject *seq; + PyObject *key; + PyObject *val; + PyObject *tup; + + assert(it != NULL); + seq = it->it_seq; + if (seq == NULL) { + return NULL; + } + assert(ApgRecord_CheckExact(seq)); + assert(it->it_key_iter != NULL); + + key = PyIter_Next(it->it_key_iter); + if (key == NULL) { + /* likely it_key_iter had less items than seq has values */ + goto exhausted; + } + + if (it->it_index < Py_SIZE(seq)) { + val = ApgRecord_GET_ITEM(seq, it->it_index); + ++it->it_index; + Py_INCREF(val); + } + else { + /* it_key_iter had more items than seq has values */ + Py_DECREF(key); + goto exhausted; + } + + tup = PyTuple_New(2); + if (tup == NULL) { + Py_DECREF(val); + Py_DECREF(key); + goto exhausted; + } + + PyTuple_SET_ITEM(tup, 0, key); + PyTuple_SET_ITEM(tup, 1, val); + return tup; + +exhausted: + Py_CLEAR(it->it_key_iter); + Py_CLEAR(it->it_seq); + return NULL; +} + + +static PyObject * +record_items_len(ApgRecordItemsObject *it) +{ + Py_ssize_t len = 0; + if (it->it_seq) { + len = Py_SIZE(it->it_seq) - it->it_index; + } + return PyLong_FromSsize_t(len); +} + + +PyDoc_STRVAR(record_items_len_doc, + "Private method returning an estimate of len(list(it()))."); + + +static PyMethodDef record_items_methods[] = { + {"__length_hint__", (PyCFunction)record_items_len, METH_NOARGS, + record_items_len_doc}, + {NULL, NULL} /* sentinel */ +}; + + +PyTypeObject ApgRecordItems_Type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "RecordItemsIterator", + .tp_basicsize = sizeof(ApgRecordItemsObject), + .tp_dealloc = (destructor)record_items_dealloc, + .tp_getattro = PyObject_GenericGetAttr, + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, + .tp_traverse = (traverseproc)record_items_traverse, + .tp_iter = PyObject_SelfIter, + .tp_iternext = (iternextfunc)record_items_next, + .tp_methods = record_items_methods, +}; + + +static PyObject * +record_new_items_iter(PyObject *seq) +{ + ApgRecordItemsObject *it; + PyObject *key_iter; + + if (!ApgRecord_CheckExact(seq)) { + PyErr_BadInternalCall(); + return NULL; + } + + key_iter = PyObject_GetIter(((ApgRecordObject*)seq)->desc->keys); + if (key_iter == NULL) { + return NULL; + } + + it = PyObject_GC_New(ApgRecordItemsObject, &ApgRecordItems_Type); + if (it == NULL) + return NULL; + + it->it_key_iter = key_iter; + it->it_index = 0; + Py_INCREF(seq); + it->it_seq = (ApgRecordObject *)seq; + PyObject_GC_Track(it); + + return (PyObject *)it; +} + + +PyTypeObject * +ApgRecord_InitTypes(void) +{ + if (PyType_Ready(&ApgRecord_Type) < 0) { + return NULL; + } + + if (PyType_Ready(&ApgRecordDesc_Type) < 0) { + return NULL; + } + + if (PyType_Ready(&ApgRecordIter_Type) < 0) { + return NULL; + } + + if (PyType_Ready(&ApgRecordItems_Type) < 0) { + return NULL; + } + + return &ApgRecord_Type; +} + + +/* ----------------- */ + + +static void +record_desc_dealloc(ApgRecordDescObject *o) +{ + PyObject_GC_UnTrack(o); + Py_CLEAR(o->mapping); + Py_CLEAR(o->keys); + PyObject_GC_Del(o); +} + + +static int +record_desc_traverse(ApgRecordDescObject *o, visitproc visit, void *arg) +{ + Py_VISIT(o->mapping); + Py_VISIT(o->keys); + return 0; +} + + +PyTypeObject ApgRecordDesc_Type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "RecordDescriptor", + .tp_basicsize = sizeof(ApgRecordDescObject), + .tp_dealloc = (destructor)record_desc_dealloc, + .tp_getattro = PyObject_GenericGetAttr, + .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, + .tp_traverse = (traverseproc)record_desc_traverse, + .tp_iter = PyObject_SelfIter, +}; + + +PyObject * +ApgRecordDesc_New(PyObject *mapping, PyObject *keys) +{ + ApgRecordDescObject *o; + + if (!mapping || !keys || !PyTuple_CheckExact(keys)) { + PyErr_BadInternalCall(); + return NULL; + } + + o = PyObject_GC_New(ApgRecordDescObject, &ApgRecordDesc_Type); + if (o == NULL) { + return NULL; + } + + Py_INCREF(mapping); + o->mapping = mapping; + + Py_INCREF(keys); + o->keys = keys; + + PyObject_GC_Track(o); + return (PyObject *) o; +} diff --git a/asyncpg/protocol/record/recordobj.h b/asyncpg/protocol/record/recordobj.h new file mode 100644 index 0000000..d329f57 --- /dev/null +++ b/asyncpg/protocol/record/recordobj.h @@ -0,0 +1,52 @@ +#ifndef APG_RECORDOBJ_H +#define APG_RECORDOBJ_H + +#include "Python.h" + + +/* Largest record to save on free list */ +#define ApgRecord_MAXSAVESIZE 20 + +/* Maximum number of records of each size to save */ +#define ApgRecord_MAXFREELIST 2000 + + +typedef struct { + PyObject_HEAD + PyObject *mapping; + PyObject *keys; +} ApgRecordDescObject; + + +typedef struct { + PyObject_VAR_HEAD + Py_hash_t self_hash; + ApgRecordDescObject *desc; + PyObject *ob_item[1]; + + /* ob_item contains space for 'ob_size' elements. + * Items must normally not be NULL, except during construction when + * the record is not yet visible outside the function that builds it. + */ +} ApgRecordObject; + + +extern PyTypeObject ApgRecord_Type; +extern PyTypeObject ApgRecordIter_Type; +extern PyTypeObject ApgRecordItems_Type; + +extern PyTypeObject ApgRecordDesc_Type; + +#define ApgRecord_CheckExact(o) (Py_TYPE(o) == &ApgRecord_Type) +#define ApgRecordDesc_CheckExact(o) (Py_TYPE(o) == &ApgRecordDesc_Type) + +#define ApgRecord_SET_ITEM(op, i, v) \ + (((ApgRecordObject *)(op))->ob_item[i] = v) +#define ApgRecord_GET_ITEM(op, i) \ + (((ApgRecordObject *)(op))->ob_item[i]) + +PyTypeObject *ApgRecord_InitTypes(void); +PyObject *ApgRecord_New(PyObject *, Py_ssize_t); +PyObject *ApgRecordDesc_New(PyObject *, PyObject *); + +#endif diff --git a/asyncpg/protocol/scram.pxd b/asyncpg/protocol/scram.pxd new file mode 100644 index 0000000..5421429 --- /dev/null +++ b/asyncpg/protocol/scram.pxd @@ -0,0 +1,31 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class SCRAMAuthentication: + cdef: + readonly bytes authentication_method + readonly bytes authorization_message + readonly bytes client_channel_binding + readonly bytes client_first_message_bare + readonly bytes client_nonce + readonly bytes client_proof + readonly bytes password_salt + readonly int password_iterations + readonly bytes server_first_message + # server_key is an instance of hmac.HAMC + readonly object server_key + readonly bytes server_nonce + + cdef create_client_first_message(self, str username) + cdef create_client_final_message(self, str password) + cdef parse_server_first_message(self, bytes server_response) + cdef verify_server_final_message(self, bytes server_final_message) + cdef _bytes_xor(self, bytes a, bytes b) + cdef _generate_client_nonce(self, int num_bytes) + cdef _generate_client_proof(self, str password) + cdef _generate_salted_password(self, str password, bytes salt, int iterations) + cdef _normalize_password(self, str original_password) diff --git a/asyncpg/protocol/scram.pyx b/asyncpg/protocol/scram.pyx new file mode 100644 index 0000000..bfb82f7 --- /dev/null +++ b/asyncpg/protocol/scram.pyx @@ -0,0 +1,348 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import base64 +import hashlib +import hmac +import re +import stringprep +import unicodedata + + +# try to import the secrets library from Python 3.6+ for the +# cryptographic token generator for generating nonces as part of SCRAM +# Otherwise fall back on os.urandom +try: + from secrets import token_bytes as generate_token_bytes +except ImportError: + from os import urandom as generate_token_bytes + +@cython.final +cdef class SCRAMAuthentication: + """Contains the protocol for generating and a SCRAM hashed password. + + Since PostgreSQL 10, the option to hash passwords using the SCRAM-SHA-256 + method was added. This module follows the defined protocol, which can be + referenced from here: + + https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256 + + libpq references the following RFCs that it uses for implementation: + + * RFC 5802 + * RFC 5803 + * RFC 7677 + + The protocol works as such: + + - A client connets to the server. The server requests the client to begin + SASL authentication using SCRAM and presents a client with the methods it + supports. At present, those are SCRAM-SHA-256, and, on servers that are + built with OpenSSL and + are PG11+, SCRAM-SHA-256-PLUS (which supports channel binding, more on that + below) + + - The client sends a "first message" to the server, where it chooses which + method to authenticate with, and sends, along with the method, an indication + of channel binding (we disable for now), a nonce, and the username. + (Technically, PostgreSQL ignores the username as it already has it from the + initical connection, but we add it for completeness) + + - The server responds with a "first message" in which it extends the nonce, + as well as a password salt and the number of iterations to hash the password + with. The client validates that the new nonce contains the first part of the + client's original nonce + + - The client generates a salted password, but does not sent this up to the + server. Instead, the client follows the SCRAM algorithm (RFC5802) to + generate a proof. This proof is sent aspart of a client "final message" to + the server for it to validate. + + - The server validates the proof. If it is valid, the server sends a + verification code for the client to verify that the server came to the same + proof the client did. PostgreSQL immediately sends an AuthenticationOK + response right after a valid negotiation. If the password the client + provided was invalid, then authentication fails. + + (The beauty of this is that the salted password is never transmitted over + the wire!) + + PostgreSQL 11 added support for the channel binding (i.e. + SCRAM-SHA-256-PLUS) but to do some ongoing discussion, there is a conscious + decision by several driver authors to not support it as of yet. As such, the + channel binding parameter is hard-coded to "n" for now, but can be updated + to support other channel binding methos in the future + """ + AUTHENTICATION_METHODS = [b"SCRAM-SHA-256"] + DEFAULT_CLIENT_NONCE_BYTES = 24 + DIGEST = hashlib.sha256 + REQUIREMENTS_CLIENT_FINAL_MESSAGE = ['client_channel_binding', + 'server_nonce'] + REQUIREMENTS_CLIENT_PROOF = ['password_iterations', 'password_salt', + 'server_first_message', 'server_nonce'] + SASLPREP_PROHIBITED = ( + stringprep.in_table_a1, # PostgreSQL treats this as prohibited + stringprep.in_table_c12, + stringprep.in_table_c21_c22, + stringprep.in_table_c3, + stringprep.in_table_c4, + stringprep.in_table_c5, + stringprep.in_table_c6, + stringprep.in_table_c7, + stringprep.in_table_c8, + stringprep.in_table_c9, + ) + + def __cinit__(self, bytes authentication_method): + self.authentication_method = authentication_method + self.authorization_message = None + # channel binding is turned off for the time being + self.client_channel_binding = b"n,," + self.client_first_message_bare = None + self.client_nonce = None + self.client_proof = None + self.password_salt = None + # self.password_iterations = None + self.server_first_message = None + self.server_key = None + self.server_nonce = None + + cdef create_client_first_message(self, str username): + """Create the initial client message for SCRAM authentication""" + cdef: + bytes msg + bytes client_first_message + + self.client_nonce = \ + self._generate_client_nonce(self.DEFAULT_CLIENT_NONCE_BYTES) + # set the client first message bare here, as it's used in a later step + self.client_first_message_bare = b"n=" + username.encode("utf-8") + \ + b",r=" + self.client_nonce + # put together the full message here + msg = bytes() + msg += self.authentication_method + b"\0" + client_first_message = self.client_channel_binding + \ + self.client_first_message_bare + msg += (len(client_first_message)).to_bytes(4, byteorder='big') + \ + client_first_message + return msg + + cdef create_client_final_message(self, str password): + """Create the final client message as part of SCRAM authentication""" + cdef: + bytes msg + + if any([getattr(self, val) is None for val in + self.REQUIREMENTS_CLIENT_FINAL_MESSAGE]): + raise Exception( + "you need values from server to generate a client proof") + + # normalize the password using the SASLprep algorithm in RFC 4013 + password = self._normalize_password(password) + + # generate the client proof + self.client_proof = self._generate_client_proof(password=password) + msg = bytes() + msg += b"c=" + base64.b64encode(self.client_channel_binding) + \ + b",r=" + self.server_nonce + \ + b",p=" + base64.b64encode(self.client_proof) + return msg + + cdef parse_server_first_message(self, bytes server_response): + """Parse the response from the first message from the server""" + self.server_first_message = server_response + try: + self.server_nonce = re.search(b'r=([^,]+),', + self.server_first_message).group(1) + except IndexError: + raise Exception("could not get nonce") + if not self.server_nonce.startswith(self.client_nonce): + raise Exception("invalid nonce") + try: + self.password_salt = re.search(b's=([^,]+),', + self.server_first_message).group(1) + except IndexError: + raise Exception("could not get salt") + try: + self.password_iterations = int(re.search(b'i=(\d+),?', + self.server_first_message).group(1)) + except (IndexError, TypeError, ValueError): + raise Exception("could not get iterations") + + cdef verify_server_final_message(self, bytes server_final_message): + """Verify the final message from the server""" + cdef: + bytes server_signature + + try: + server_signature = re.search(b'v=([^,]+)', + server_final_message).group(1) + except IndexError: + raise Exception("could not get server signature") + + verify_server_signature = hmac.new(self.server_key.digest(), + self.authorization_message, self.DIGEST) + # validate the server signature against the verifier + return server_signature == base64.b64encode( + verify_server_signature.digest()) + + cdef _bytes_xor(self, bytes a, bytes b): + """XOR two bytestrings together""" + return bytes(a_i ^ b_i for a_i, b_i in zip(a, b)) + + cdef _generate_client_nonce(self, int num_bytes): + cdef: + bytes token + + token = generate_token_bytes(num_bytes) + + return base64.b64encode(token) + + cdef _generate_client_proof(self, str password): + """need to ensure a server response exists, i.e. """ + cdef: + bytes salted_password + + if any([getattr(self, val) is None for val in + self.REQUIREMENTS_CLIENT_PROOF]): + raise Exception( + "you need values from server to generate a client proof") + # generate a salt password + salted_password = self._generate_salted_password(password, + self.password_salt, self.password_iterations) + # client key is derived from the salted password + client_key = hmac.new(salted_password, b"Client Key", self.DIGEST) + # this allows us to compute the stored key that is residing on the server + stored_key = self.DIGEST(client_key.digest()) + # as well as compute the server key + self.server_key = hmac.new(salted_password, b"Server Key", self.DIGEST) + # build the authorization message that will be used in the + # client signature + # the "c=" portion is for the channel binding, but this is not + # presently implemented + self.authorization_message = self.client_first_message_bare + b"," + \ + self.server_first_message + b",c=" + \ + base64.b64encode(self.client_channel_binding) + \ + b",r=" + self.server_nonce + # sign! + client_signature = hmac.new(stored_key.digest(), + self.authorization_message, self.DIGEST) + # and the proof + return self._bytes_xor(client_key.digest(), client_signature.digest()) + + cdef _generate_salted_password(self, str password, bytes salt, int iterations): + """This follows the "Hi" algorithm specified in RFC5802""" + cdef: + bytes p + bytes s + bytes u + + # convert the password to a binary string - UTF8 is safe for SASL + # (though there are SASLPrep rules) + p = password.encode("utf8") + # the salt needs to be base64 decoded -- full binary must be used + s = base64.b64decode(salt) + # the initial signature is the salt with a terminator of a 32-bit string + # ending in 1 + ui = hmac.new(p, s + b'\x00\x00\x00\x01', self.DIGEST) + # grab the initial digest + u = ui.digest() + # for X number of iterations, recompute the HMAC signature against the + # password and the latest iteration of the hash, and XOR it with the + # previous version + for x in range(iterations - 1): + ui = hmac.new(p, ui.digest(), hashlib.sha256) + # this is a fancy way of XORing two byte strings together + u = self._bytes_xor(u, ui.digest()) + return u + + cdef _normalize_password(self, str original_password): + """Normalize the password using the SASLprep from RFC4013""" + cdef: + str normalized_password + + # Note: Per the PostgreSQL documentation, PostgreSWL does not require + # UTF-8 to be used for the password, but will perform SASLprep on the + # password regardless. + # If the password is not valid UTF-8, PostgreSQL will then **not** use + # SASLprep processing. + # If the password fails SASLprep, the password should still be sent + # See: https://www.postgresql.org/docs/current/sasl-authentication.html + # and + # https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/common/saslprep.c + # using the `pg_saslprep` function + normalized_password = original_password + # if the original password is an ASCII string or fails to encode as a + # UTF-8 string, then no further action is needed + try: + original_password.encode("ascii") + except UnicodeEncodeError: + pass + else: + return original_password + + # Step 1 of SASLPrep: Map. Per the algorithm, we map non-ascii space + # characters to ASCII spaces (\x20 or \u0020, but we will use ' ') and + # commonly mapped to nothing characters are removed + # Table C.1.2 -- non-ASCII spaces + # Table B.1 -- "Commonly mapped to nothing" + normalized_password = u"".join( + ' ' if stringprep.in_table_c12(c) else c + for c in tuple(normalized_password) if not stringprep.in_table_b1(c) + ) + + # If at this point the password is empty, PostgreSQL uses the original + # password + if not normalized_password: + return original_password + + # Step 2 of SASLPrep: Normalize. Normalize the password using the + # Unicode normalization algorithm to NFKC form + normalized_password = unicodedata.normalize('NFKC', normalized_password) + + # If the password is not empty, PostgreSQL uses the original password + if not normalized_password: + return original_password + + normalized_password_tuple = tuple(normalized_password) + + # Step 3 of SASLPrep: Prohobited characters. If PostgreSQL detects any + # of the prohibited characters in SASLPrep, it will use the original + # password + # We also include "unassigned code points" in the prohibited character + # category as PostgreSQL does the same + for c in normalized_password_tuple: + if any( + in_prohibited_table(c) + for in_prohibited_table in self.SASLPREP_PROHIBITED + ): + return original_password + + # Step 4 of SASLPrep: Bi-directional characters. PostgreSQL follows the + # rules for bi-directional characters laid on in RFC3454 Sec. 6 which + # are: + # 1. Characters in RFC 3454 Sec 5.8 are prohibited (C.8) + # 2. If a string contains a RandALCat character, it cannot containy any + # LCat character + # 3. If the string contains any RandALCat character, an RandALCat + # character must be the first and last character of the string + # RandALCat characters are found in table D.1, whereas LCat are in D.2 + if any(stringprep.in_table_d1(c) for c in normalized_password_tuple): + # if the first character or the last character are not in D.1, + # return the original password + if not (stringprep.in_table_d1(normalized_password_tuple[0]) and + stringprep.in_table_d1(normalized_password_tuple[-1])): + return original_password + + # if any characters are in D.2, use the original password + if any( + stringprep.in_table_d2(c) for c in normalized_password_tuple + ): + return original_password + + # return the normalized password + return normalized_password diff --git a/asyncpg/protocol/settings.pxd b/asyncpg/protocol/settings.pxd new file mode 100644 index 0000000..44b673c --- /dev/null +++ b/asyncpg/protocol/settings.pxd @@ -0,0 +1,29 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef class ConnectionSettings(pgproto.CodecContext): + cdef: + str _encoding + object _codec + dict _settings + bint _is_utf8 + DataCodecConfig _data_codecs + + cdef add_setting(self, str name, str val) + cdef is_encoding_utf8(self) + cpdef get_text_codec(self) + cpdef inline register_data_types(self, types) + cpdef inline add_python_codec( + self, typeoid, typename, typeschema, typekind, encoder, + decoder, format) + cpdef inline remove_python_codec( + self, typeoid, typename, typeschema) + cpdef inline clear_type_cache(self) + cpdef inline set_builtin_type_codec( + self, typeoid, typename, typeschema, typekind, alias_to, format) + cpdef inline Codec get_data_codec( + self, uint32_t oid, ServerDataFormat format=*) diff --git a/asyncpg/protocol/settings.pyx b/asyncpg/protocol/settings.pyx new file mode 100644 index 0000000..2ea7216 --- /dev/null +++ b/asyncpg/protocol/settings.pyx @@ -0,0 +1,109 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from asyncpg import exceptions + + +@cython.final +cdef class ConnectionSettings(pgproto.CodecContext): + + def __cinit__(self, conn_key): + self._encoding = 'utf-8' + self._is_utf8 = True + self._settings = {} + self._codec = codecs.lookup('utf-8') + self._data_codecs = DataCodecConfig(conn_key) + + cdef add_setting(self, str name, str val): + self._settings[name] = val + if name == 'client_encoding': + py_enc = get_python_encoding(val) + self._codec = codecs.lookup(py_enc) + self._encoding = self._codec.name + self._is_utf8 = self._encoding == 'utf-8' + + cdef is_encoding_utf8(self): + return self._is_utf8 + + cpdef get_text_codec(self): + return self._codec + + cpdef inline register_data_types(self, types): + self._data_codecs.add_types(types) + + cpdef inline add_python_codec(self, typeoid, typename, typeschema, + typekind, encoder, decoder, format): + cdef: + ServerDataFormat _format + ClientExchangeFormat xformat + + if format == 'binary': + _format = PG_FORMAT_BINARY + xformat = PG_XFORMAT_OBJECT + elif format == 'text': + _format = PG_FORMAT_TEXT + xformat = PG_XFORMAT_OBJECT + elif format == 'tuple': + _format = PG_FORMAT_ANY + xformat = PG_XFORMAT_TUPLE + else: + raise exceptions.InterfaceError( + 'invalid `format` argument, expected {}, got {!r}'.format( + "'text', 'binary' or 'tuple'", format + )) + + self._data_codecs.add_python_codec(typeoid, typename, typeschema, + typekind, encoder, decoder, + _format, xformat) + + cpdef inline remove_python_codec(self, typeoid, typename, typeschema): + self._data_codecs.remove_python_codec(typeoid, typename, typeschema) + + cpdef inline clear_type_cache(self): + self._data_codecs.clear_type_cache() + + cpdef inline set_builtin_type_codec(self, typeoid, typename, typeschema, + typekind, alias_to, format): + cdef: + ServerDataFormat _format + + if format is None: + _format = PG_FORMAT_ANY + elif format == 'binary': + _format = PG_FORMAT_BINARY + elif format == 'text': + _format = PG_FORMAT_TEXT + else: + raise exceptions.InterfaceError( + 'invalid `format` argument, expected {}, got {!r}'.format( + "'text' or 'binary'", format + )) + + self._data_codecs.set_builtin_type_codec(typeoid, typename, typeschema, + typekind, alias_to, _format) + + cpdef inline Codec get_data_codec(self, uint32_t oid, + ServerDataFormat format=PG_FORMAT_ANY): + if format == PG_FORMAT_ANY: + codec = self._data_codecs.get_codec(oid, PG_FORMAT_BINARY) + if codec is None: + codec = self._data_codecs.get_codec(oid, PG_FORMAT_TEXT) + return codec + else: + return self._data_codecs.get_codec(oid, format) + + def __getattr__(self, name): + if not name.startswith('_'): + try: + return self._settings[name] + except KeyError: + raise AttributeError(name) from None + + return object.__getattr__(self, name) + + def __repr__(self): + return ''.format(self._settings) diff --git a/asyncpg/serverversion.py b/asyncpg/serverversion.py new file mode 100644 index 0000000..6b2d28c --- /dev/null +++ b/asyncpg/serverversion.py @@ -0,0 +1,57 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +from . import types + + +def split_server_version_string(version_string): + version_string = version_string.strip() + if version_string.startswith('PostgreSQL '): + version_string = version_string[len('PostgreSQL '):] + if version_string.startswith('Postgres-XL'): + version_string = version_string[len('Postgres-XL '):] + + # Some distros (e.g Debian) like may inject their branding + # into the numeric version string, so make sure to only look + # at stuff before the first space. + version_string = version_string.split(' ')[0] + parts = version_string.strip().split('.') + if not parts[-1].isdigit(): + # release level specified + lastitem = parts[-1] + levelpart = lastitem.rstrip('0123456789').lower() + if levelpart != lastitem: + serial = int(lastitem[len(levelpart):]) + else: + serial = 0 + + level = levelpart.lstrip('0123456789') + if level != levelpart: + parts[-1] = levelpart[:-len(level)] + else: + parts[-1] = 0 + else: + level = 'final' + serial = 0 + + if int(parts[0]) >= 10: + # Since PostgreSQL 10 the versioning scheme has changed. + # 10.x really means 10.0.x. While parsing 10.1 + # as (10, 1) may seem less confusing, in practice most + # version checks are written as version[:2], and we + # want to keep that behaviour consistent, i.e not fail + # a major version check due to a bugfix release. + parts.insert(1, 0) + + versions = [int(p) for p in parts][:3] + if len(versions) < 3: + versions += [0] * (3 - len(versions)) + + versions.append(level) + versions.append(serial) + + return types.ServerVersion(*versions) diff --git a/asyncpg/transaction.py b/asyncpg/transaction.py new file mode 100644 index 0000000..55768c4 --- /dev/null +++ b/asyncpg/transaction.py @@ -0,0 +1,237 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import enum + +from . import connresource +from . import exceptions as apg_errors + + +class TransactionState(enum.Enum): + NEW = 0 + STARTED = 1 + COMMITTED = 2 + ROLLEDBACK = 3 + FAILED = 4 + + +ISOLATION_LEVELS = {'read_committed', 'serializable', 'repeatable_read'} + + +class Transaction(connresource.ConnectionResource): + """Represents a transaction or savepoint block. + + Transactions are created by calling the + :meth:`Connection.transaction() ` + function. + """ + + __slots__ = ('_connection', '_isolation', '_readonly', '_deferrable', + '_state', '_nested', '_id', '_managed') + + def __init__(self, connection, isolation, readonly, deferrable): + super().__init__(connection) + + if isolation not in ISOLATION_LEVELS: + raise ValueError( + 'isolation is expected to be either of {}, ' + 'got {!r}'.format(ISOLATION_LEVELS, isolation)) + + if isolation != 'serializable': + if readonly: + raise ValueError( + '"readonly" is only supported for ' + 'serializable transactions') + + if deferrable and not readonly: + raise ValueError( + '"deferrable" is only supported for ' + 'serializable readonly transactions') + + self._isolation = isolation + self._readonly = readonly + self._deferrable = deferrable + self._state = TransactionState.NEW + self._nested = False + self._id = None + self._managed = False + + async def __aenter__(self): + if self._managed: + raise apg_errors.InterfaceError( + 'cannot enter context: already in an `async with` block') + self._managed = True + await self.start() + + async def __aexit__(self, extype, ex, tb): + try: + self._check_conn_validity('__aexit__') + except apg_errors.InterfaceError: + if extype is GeneratorExit: + # When a PoolAcquireContext is being exited, and there + # is an open transaction in an async generator that has + # not been iterated fully, there is a possibility that + # Pool.release() would race with this __aexit__(), since + # both would be in concurrent tasks. In such case we + # yield to Pool.release() to do the ROLLBACK for us. + # See https://github.com/MagicStack/asyncpg/issues/232 + # for an example. + return + else: + raise + + try: + if extype is not None: + await self.__rollback() + else: + await self.__commit() + finally: + self._managed = False + + @connresource.guarded + async def start(self): + """Enter the transaction or savepoint block.""" + self.__check_state_base('start') + if self._state is TransactionState.STARTED: + raise apg_errors.InterfaceError( + 'cannot start; the transaction is already started') + + con = self._connection + + if con._top_xact is None: + if con._protocol.is_in_transaction(): + raise apg_errors.InterfaceError( + 'cannot use Connection.transaction() in ' + 'a manually started transaction') + con._top_xact = self + else: + # Nested transaction block + top_xact = con._top_xact + if self._isolation != top_xact._isolation: + raise apg_errors.InterfaceError( + 'nested transaction has a different isolation level: ' + 'current {!r} != outer {!r}'.format( + self._isolation, top_xact._isolation)) + self._nested = True + + if self._nested: + self._id = con._get_unique_id('savepoint') + query = 'SAVEPOINT {};'.format(self._id) + else: + if self._isolation == 'read_committed': + query = 'BEGIN;' + elif self._isolation == 'repeatable_read': + query = 'BEGIN ISOLATION LEVEL REPEATABLE READ;' + else: + query = 'BEGIN ISOLATION LEVEL SERIALIZABLE' + if self._readonly: + query += ' READ ONLY' + if self._deferrable: + query += ' DEFERRABLE' + query += ';' + + try: + await self._connection.execute(query) + except BaseException: + self._state = TransactionState.FAILED + raise + else: + self._state = TransactionState.STARTED + + def __check_state_base(self, opname): + if self._state is TransactionState.COMMITTED: + raise apg_errors.InterfaceError( + 'cannot {}; the transaction is already committed'.format( + opname)) + if self._state is TransactionState.ROLLEDBACK: + raise apg_errors.InterfaceError( + 'cannot {}; the transaction is already rolled back'.format( + opname)) + if self._state is TransactionState.FAILED: + raise apg_errors.InterfaceError( + 'cannot {}; the transaction is in error state'.format( + opname)) + + def __check_state(self, opname): + if self._state is not TransactionState.STARTED: + if self._state is TransactionState.NEW: + raise apg_errors.InterfaceError( + 'cannot {}; the transaction is not yet started'.format( + opname)) + self.__check_state_base(opname) + + async def __commit(self): + self.__check_state('commit') + + if self._connection._top_xact is self: + self._connection._top_xact = None + + if self._nested: + query = 'RELEASE SAVEPOINT {};'.format(self._id) + else: + query = 'COMMIT;' + + try: + await self._connection.execute(query) + except BaseException: + self._state = TransactionState.FAILED + raise + else: + self._state = TransactionState.COMMITTED + + async def __rollback(self): + self.__check_state('rollback') + + if self._connection._top_xact is self: + self._connection._top_xact = None + + if self._nested: + query = 'ROLLBACK TO {};'.format(self._id) + else: + query = 'ROLLBACK;' + + try: + await self._connection.execute(query) + except BaseException: + self._state = TransactionState.FAILED + raise + else: + self._state = TransactionState.ROLLEDBACK + + @connresource.guarded + async def commit(self): + """Exit the transaction or savepoint block and commit changes.""" + if self._managed: + raise apg_errors.InterfaceError( + 'cannot manually commit from within an `async with` block') + await self.__commit() + + @connresource.guarded + async def rollback(self): + """Exit the transaction or savepoint block and rollback changes.""" + if self._managed: + raise apg_errors.InterfaceError( + 'cannot manually rollback from within an `async with` block') + await self.__rollback() + + def __repr__(self): + attrs = [] + attrs.append('state:{}'.format(self._state.name.lower())) + + attrs.append(self._isolation) + if self._readonly: + attrs.append('readonly') + if self._deferrable: + attrs.append('deferrable') + + if self.__class__.__module__.startswith('asyncpg.'): + mod = 'asyncpg' + else: + mod = self.__class__.__module__ + + return '<{}.{} {} {:#x}>'.format( + mod, self.__class__.__name__, ' '.join(attrs), id(self)) diff --git a/asyncpg/types.py b/asyncpg/types.py new file mode 100644 index 0000000..5124718 --- /dev/null +++ b/asyncpg/types.py @@ -0,0 +1,144 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import collections + +from asyncpg.pgproto.types import ( + BitString, Point, Path, Polygon, + Box, Line, LineSegment, Circle, +) + + +__all__ = ( + 'Type', 'Attribute', 'Range', 'BitString', 'Point', 'Path', 'Polygon', + 'Box', 'Line', 'LineSegment', 'Circle', 'ServerVersion', +) + + +Type = collections.namedtuple('Type', ['oid', 'name', 'kind', 'schema']) +Type.__doc__ = 'Database data type.' +Type.oid.__doc__ = 'OID of the type.' +Type.name.__doc__ = 'Type name. For example "int2".' +Type.kind.__doc__ = \ + 'Type kind. Can be "scalar", "array", "composite" or "range".' +Type.schema.__doc__ = 'Name of the database schema that defines the type.' + + +Attribute = collections.namedtuple('Attribute', ['name', 'type']) +Attribute.__doc__ = 'Database relation attribute.' +Attribute.name.__doc__ = 'Attribute name.' +Attribute.type.__doc__ = 'Attribute data type :class:`asyncpg.types.Type`.' + + +ServerVersion = collections.namedtuple( + 'ServerVersion', ['major', 'minor', 'micro', 'releaselevel', 'serial']) +ServerVersion.__doc__ = 'PostgreSQL server version tuple.' + + +class Range: + """Immutable representation of PostgreSQL `range` type.""" + + __slots__ = '_lower', '_upper', '_lower_inc', '_upper_inc', '_empty' + + def __init__(self, lower=None, upper=None, *, + lower_inc=True, upper_inc=False, + empty=False): + self._empty = empty + if empty: + self._lower = self._upper = None + self._lower_inc = self._upper_inc = False + else: + self._lower = lower + self._upper = upper + self._lower_inc = lower is not None and lower_inc + self._upper_inc = upper is not None and upper_inc + + @property + def lower(self): + return self._lower + + @property + def lower_inc(self): + return self._lower_inc + + @property + def lower_inf(self): + return self._lower is None and not self._empty + + @property + def upper(self): + return self._upper + + @property + def upper_inc(self): + return self._upper_inc + + @property + def upper_inf(self): + return self._upper is None and not self._empty + + @property + def isempty(self): + return self._empty + + def __bool__(self): + return not self._empty + + def __eq__(self, other): + if not isinstance(other, Range): + return NotImplemented + + return ( + self._lower, + self._upper, + self._lower_inc, + self._upper_inc, + self._empty + ) == ( + other._lower, + other._upper, + other._lower_inc, + other._upper_inc, + other._empty + ) + + def __hash__(self): + return hash(( + self._lower, + self._upper, + self._lower_inc, + self._upper_inc, + self._empty + )) + + def __repr__(self): + if self._empty: + desc = 'empty' + else: + if self._lower is None or not self._lower_inc: + lb = '(' + else: + lb = '[' + + if self._lower is not None: + lb += repr(self._lower) + + if self._upper is not None: + ub = repr(self._upper) + else: + ub = '' + + if self._upper is None or not self._upper_inc: + ub += ')' + else: + ub += ']' + + desc = '{}, {}'.format(lb, ub) + + return ''.format(desc) + + __str__ = __repr__ diff --git a/asyncpg/utils.py b/asyncpg/utils.py new file mode 100644 index 0000000..3940e04 --- /dev/null +++ b/asyncpg/utils.py @@ -0,0 +1,45 @@ +# Copyright (C) 2016-present the ayncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import re + + +def _quote_ident(ident): + return '"{}"'.format(ident.replace('"', '""')) + + +def _quote_literal(string): + return "'{}'".format(string.replace("'", "''")) + + +async def _mogrify(conn, query, args): + """Safely inline arguments to query text.""" + # Introspect the target query for argument types and + # build a list of safely-quoted fully-qualified type names. + ps = await conn.prepare(query) + paramtypes = [] + for t in ps.get_parameters(): + if t.name.endswith('[]'): + pname = '_' + t.name[:-2] + else: + pname = t.name + + paramtypes.append('{}.{}'.format( + _quote_ident(t.schema), _quote_ident(pname))) + del ps + + # Use Postgres to convert arguments to text representation + # by casting each value to text. + cols = ['quote_literal(${}::{}::text)'.format(i, t) + for i, t in enumerate(paramtypes, start=1)] + + textified = await conn.fetchrow( + 'SELECT {cols}'.format(cols=', '.join(cols)), *args) + + # Finally, replace $n references with text values. + return re.sub( + r'\$(\d+)\b', lambda m: textified[int(m.group(1)) - 1], query) diff --git a/docs/api/index.rst b/docs/api/index.rst new file mode 100644 index 0000000..955777b --- /dev/null +++ b/docs/api/index.rst @@ -0,0 +1,345 @@ +.. _asyncpg-api-reference: + +============= +API Reference +============= + +.. module:: asyncpg + :synopsis: A fast PostgreSQL Database Client Library for Python/asyncio + +.. currentmodule:: asyncpg + + +.. _asyncpg-api-connection: + +Connection +========== + +.. autofunction:: asyncpg.connection.connect + + +.. autoclass:: asyncpg.connection.Connection + :members: + + +.. _asyncpg-api-prepared-stmt: + +Prepared Statements +=================== + +Prepared statements are a PostgreSQL feature that can be used to optimize the +performance of queries that are executed more than once. When a query +is *prepared* by a call to :meth:`Connection.prepare`, the server parses, +analyzes and compiles the query allowing to reuse that work once there is +a need to run the same query again. + +.. code-block:: pycon + + >>> import asyncpg, asyncio + >>> loop = asyncio.get_event_loop() + >>> async def run(): + ... conn = await asyncpg.connect() + ... stmt = await conn.prepare('''SELECT 2 ^ $1''') + ... print(await stmt.fetchval(10)) + ... print(await stmt.fetchval(20)) + ... + >>> loop.run_until_complete(run()) + 1024.0 + 1048576.0 + +.. note:: + + asyncpg automatically maintains a small LRU cache for queries executed + during calls to the :meth:`~Connection.fetch`, :meth:`~Connection.fetchrow`, + or :meth:`~Connection.fetchval` methods. + +.. warning:: + + If you are using pgbouncer with ``pool_mode`` set to ``transaction`` or + ``statement``, prepared statements will not work correctly. See + :ref:`asyncpg-prepared-stmt-errors` for more information. + + +.. autoclass:: asyncpg.prepared_stmt.PreparedStatement() + :members: + + +.. _asyncpg-api-transaction: + +Transactions +============ + +The most common way to use transactions is through an ``async with`` statement: + +.. code-block:: python + + async with connection.transaction(): + await connection.execute("INSERT INTO mytable VALUES(1, 2, 3)") + + +asyncpg supports nested transactions (a nested transaction context will create +a `savepoint`_.): + +.. code-block:: python + + async with connection.transaction(): + await connection.execute('CREATE TABLE mytab (a int)') + + try: + # Create a nested transaction: + async with connection.transaction(): + await connection.execute('INSERT INTO mytab (a) VALUES (1), (2)') + # This nested transaction will be automatically rolled back: + raise Exception + except: + # Ignore exception + pass + + # Because the nested transaction was rolled back, there + # will be nothing in `mytab`. + assert await connection.fetch('SELECT a FROM mytab') == [] + +Alternatively, transactions can be used without an ``async with`` block: + +.. code-block:: python + + tr = connection.transaction() + await tr.start() + try: + ... + except: + await tr.rollback() + raise + else: + await tr.commit() + + +See also the +:meth:`Connection.transaction() ` +function. + +.. _savepoint: https://www.postgresql.org/docs/current/static/sql-savepoint.html + + +.. autoclass:: asyncpg.transaction.Transaction() + :members: + + .. describe:: async with c: + + start and commit/rollback the transaction or savepoint block + automatically when entering and exiting the code inside the + context manager block. + + +.. _asyncpg-api-cursor: + +Cursors +======= + +Cursors are useful when there is a need to iterate over the results of +a large query without fetching all rows at once. The cursor interface +provided by asyncpg supports *asynchronous iteration* via the ``async for`` +statement, and also a way to read row chunks and skip forward over the +result set. + +To iterate over a cursor using a connection object use +:meth:`Connection.cursor() `. +To make the iteration efficient, the cursor will prefetch records to +reduce the number of queries sent to the server: + +.. code-block:: python + + async def iterate(con: Connection): + async with con.transaction(): + # Postgres requires non-scrollable cursors to be created + # and used in a transaction. + async for record in con.cursor('SELECT generate_series(0, 100)'): + print(record) + +Or, alternatively, you can iterate over the cursor manually (cursor +won't be prefetching any rows): + +.. code-block:: python + + async def iterate(con: Connection): + async with con.transaction(): + # Postgres requires non-scrollable cursors to be created + # and used in a transaction. + + # Create a Cursor object + cur = await con.cursor('SELECT generate_series(0, 100)') + + # Move the cursor 10 rows forward + await cur.forward(10) + + # Fetch one row and print it + print(await cur.fetchrow()) + + # Fetch a list of 5 rows and print it + print(await cur.fetch(5)) + +It's also possible to create cursors from prepared statements: + +.. code-block:: python + + async def iterate(con: Connection): + # Create a prepared statement that will accept one argument + stmt = await con.prepare('SELECT generate_series(0, $1)') + + async with con.transaction(): + # Postgres requires non-scrollable cursors to be created + # and used in a transaction. + + # Execute the prepared statement passing `10` as the + # argument -- that will generate a series or records + # from 0..10. Iterate over all of them and print every + # record. + async for record in stmt.cursor(10): + print(record) + + +.. note:: + + Cursors created by a call to + :meth:`Connection.cursor() ` or + :meth:`PreparedStatement.cursor() ` + are *non-scrollable*: they can only be read forwards. To create a scrollable + cursor, use the ``DECLARE ... SCROLL CURSOR`` SQL statement directly. + +.. warning:: + + Cursors created by a call to + :meth:`Connection.cursor() ` or + :meth:`PreparedStatement.cursor() ` + cannot be used outside of a transaction. Any such attempt will result in + :exc:`~asyncpg.exceptions.InterfaceError`. + + To create a cursor usable outside of a transaction, use the + ``DECLARE ... CURSOR WITH HOLD`` SQL statement directly. + + +.. autoclass:: asyncpg.cursor.CursorFactory() + :members: + + .. describe:: async for row in c + + Execute the statement and iterate over the results asynchronously. + + .. describe:: await c + + Execute the statement and return an instance of + :class:`~asyncpg.cursor.Cursor` which can be used to navigate over and + fetch subsets of the query results. + + +.. autoclass:: asyncpg.cursor.Cursor() + :members: + + +.. _asyncpg-api-pool: + +Connection Pools +================ + +.. autofunction:: asyncpg.pool.create_pool + + +.. autoclass:: asyncpg.pool.Pool() + :members: + + +.. _asyncpg-api-record: + +Record Objects +============== + +Each row (or composite type value) returned by calls to ``fetch*`` methods +is represented by an instance of the :class:`~asyncpg.Record` object. +``Record`` objects are a tuple-/dict-like hybrid, and allow addressing of +items either by a numeric index or by a field name: + +.. code-block:: pycon + + >>> import asyncpg + >>> import asyncio + >>> loop = asyncio.get_event_loop() + >>> conn = loop.run_until_complete(asyncpg.connect()) + >>> r = loop.run_until_complete(conn.fetchrow(''' + ... SELECT oid, rolname, rolsuper FROM pg_roles WHERE rolname = user''')) + >>> r + + >>> r['oid'] + 16388 + >>> r[0] + 16388 + >>> dict(r) + {'oid': 16388, 'rolname': 'elvis', 'rolsuper': True} + >>> tuple(r) + (16388, 'elvis', True) + +.. note:: + + ``Record`` objects currently cannot be created from Python code. + +.. class:: Record() + + A read-only representation of PostgreSQL row. + + .. describe:: len(r) + + Return the number of fields in record *r*. + + .. describe:: r[field] + + Return the field of *r* with field name or index *field*. + + .. describe:: name in r + + Return ``True`` if record *r* has a field named *name*. + + .. describe:: iter(r) + + Return an iterator over the *values* of the record *r*. + + .. describe:: get(name[, default]) + + Return the value for *name* if the record has a field named *name*, + else return *default*. If *default* is not given, return ``None``. + + .. versionadded:: 0.18 + + .. method:: values() + + Return an iterator over the record values. + + .. method:: keys() + + Return an iterator over the record field names. + + .. method:: items() + + Return an iterator over ``(field, value)`` pairs. + + +.. class:: ConnectionSettings() + + A read-only collection of Connection settings. + + .. describe:: settings.setting_name + + Return the value of the "setting_name" setting. Raises an + ``AttributeError`` if the setting is not defined. + + Example: + + .. code-block:: pycon + + >>> connection.get_settings().client_encoding + 'UTF8' + + +Data Types +========== + +.. automodule:: asyncpg.types + :members: diff --git a/docs/conf.py b/docs/conf.py new file mode 100644 index 0000000..d638d31 --- /dev/null +++ b/docs/conf.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python3 + +import alabaster +import os +import sys + +sys.path.insert(0, os.path.abspath('..')) + +version_file = os.path.join(os.path.dirname(os.path.dirname(__file__)), + 'asyncpg', '__init__.py') + +with open(version_file, 'r') as f: + for line in f: + if line.startswith('__version__ ='): + _, _, version = line.partition('=') + version = version.strip(" \n'\"") + break + else: + raise RuntimeError( + 'unable to read the version from asyncpg/__init__.py') + +# -- General configuration ------------------------------------------------ + +extensions = [ + 'sphinx.ext.autodoc', + 'sphinx.ext.doctest', + 'sphinx.ext.viewcode', + 'sphinx.ext.githubpages', + 'sphinx.ext.intersphinx', + 'sphinxcontrib.asyncio', +] + +add_module_names = False + +templates_path = ['_templates'] +source_suffix = '.rst' +master_doc = 'index' +project = 'asyncpg' +copyright = '2016-present, the asyncpg authors and contributors' +author = '' +release = version +language = None +exclude_patterns = ['_build'] +pygments_style = 'sphinx' +todo_include_todos = False +suppress_warnings = ['image.nonlocal_uri'] + +# -- Options for HTML output ---------------------------------------------- + +html_theme = 'sphinx_rtd_theme' +# html_theme_options = { +# 'description': 'asyncpg is a fast PostgreSQL client library for the ' +# 'Python asyncio framework', +# 'show_powered_by': False, +# } +html_theme_path = [alabaster.get_path()] +html_title = 'asyncpg Documentation' +html_short_title = 'asyncpg' +html_static_path = ['_static'] +html_sidebars = { + '**': [ + 'about.html', + 'navigation.html', + ] +} +html_show_sourcelink = False +html_show_sphinx = False +html_show_copyright = True +html_context = { + 'css_files': [ + '_static/theme_overrides.css', + ], +} +htmlhelp_basename = 'asyncpgdoc' + + +# -- Options for LaTeX output --------------------------------------------- + +latex_elements = {} + +latex_documents = [ + (master_doc, 'asyncpg.tex', 'asyncpg Documentation', + author, 'manual'), +] + + +# -- Options for manual page output --------------------------------------- + +man_pages = [ + (master_doc, 'asyncpg', 'asyncpg Documentation', + [author], 1) +] + + +# -- Options for Texinfo output ------------------------------------------- + +texinfo_documents = [ + (master_doc, 'asyncpg', 'asyncpg Documentation', + author, 'asyncpg', + 'asyncpg is a fast PostgreSQL client library for the ' + 'Python asyncio framework', + 'Miscellaneous'), +] + +# -- Options for intersphinx ---------------------------------------------- + +intersphinx_mapping = {'python': ('https://docs.python.org/3', None)} diff --git a/docs/faq.rst b/docs/faq.rst new file mode 100644 index 0000000..7678b71 --- /dev/null +++ b/docs/faq.rst @@ -0,0 +1,78 @@ +.. _asyncpg-faq: + + +Frequently Asked Questions +========================== + +Does asyncpg support DB-API? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +No. DB-API is a synchronous API, while asyncpg is based +around an asynchronous I/O model. Thus, full drop-in compatibility +with DB-API is not possible and we decided to design asyncpg API +in a way that is better aligned with PostgreSQL architecture and +terminology. We will release a synchronous DB-API-compatible version +of asyncpg at some point in the future. + + +Can I use asyncpg with SQLAlchemy ORM? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Short answer: no. asyncpg uses asynchronous execution model +and API, which is fundamentally incompatible with SQLAlchemy. +However, it is possible to use asyncpg and SQLAlchemy Core +with the help of a third-party adapter, such as asyncpgsa_ or databases_. + + +Can I use dot-notation with :class:`asyncpg.Record`? It looks cleaner. +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +We decided against making :class:`asyncpg.Record` a named tuple +because we want to keep the ``Record`` method namespace separate +from the column namespace. + + +Why can't I use a :ref:`cursor ` outside of a transaction? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Cursors created by a call to +:meth:`Connection.cursor() ` or +:meth:`PreparedStatement.cursor() \ +` +cannot be used outside of a transaction. Any such attempt will result in +``InterfaceError``. +To create a cursor usable outside of a transaction, use the +``DECLARE ... CURSOR WITH HOLD`` SQL statement directly. + + +.. _asyncpg-prepared-stmt-errors: + +Why am I getting prepared statement errors? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +If you are getting intermittent ``prepared statement "__asyncpg_stmt_xx__" +does not exist`` or ``prepared statement “__asyncpg_stmt_xx__” +already exists`` errors, you are most likely not connecting to the +PostgreSQL server directly, but via +`pgbouncer `_. pgbouncer, when +in the ``"transaction"`` or ``"statement"`` pooling mode, does not support +prepared statements. You have two options: + +* if you are using pgbouncer for connection pooling to a single server, + switch to the :ref:`connection pool ` + functionality provided by asyncpg, it is a much better option for this + purpose; + +* if you have no option of avoiding the use of pgbouncer, then you need to + switch pgbouncer's ``pool_mode`` to ``session``. + + +Why do I get ``PostgresSyntaxError`` when using ``expression IN $1``? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +``expression IN $1`` is not a valid PostgreSQL syntax. To check +a value against a sequence use ``expression = any($1::mytype[])``, +where ``mytype`` is the array element type. + +.. _asyncpgsa: https://github.com/CanopyTax/asyncpgsa +.. _databases: https://github.com/encode/databases diff --git a/docs/index.rst b/docs/index.rst new file mode 100644 index 0000000..ecf40ac --- /dev/null +++ b/docs/index.rst @@ -0,0 +1,29 @@ +.. image:: https://travis-ci.org/MagicStack/asyncpg.svg?branch=master + :target: https://travis-ci.org/MagicStack/asyncpg + +.. image:: https://img.shields.io/pypi/status/asyncpg.svg?maxAge=2592000?style=plastic + :target: https://pypi.python.org/pypi/asyncpg + + +======= +asyncpg +======= + +**asyncpg** is a database interface library designed specifically for +PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation +of PostgreSQL server binary protocol for use with Python's ``asyncio`` +framework. + +**asyncpg** requires Python 3.5 or later and is supported for PostgreSQL +versions 9.2 to 12. + +Contents +-------- + +.. toctree:: + :maxdepth: 2 + + installation + usage + api/index + faq diff --git a/docs/installation.rst b/docs/installation.rst new file mode 100644 index 0000000..6d9ec2e --- /dev/null +++ b/docs/installation.rst @@ -0,0 +1,59 @@ +.. _asyncpg-installation: + + +Installation +============ + +**asyncpg** has no external dependencies and the recommended way to +install it is to use **pip**: + +.. code-block:: bash + + $ pip install asyncpg + + +.. note:: + + It is recommended to use **pip** version **8.1** or later to take + advantage of the precompiled wheel packages. Older versions of pip + will ignore the wheel packages and install asyncpg from the source + package. In that case a working C compiler is required. + + +Building from source +-------------------- + +If you want to build **asyncpg** from a Git checkout you will need: + + * To have cloned the repo with `--recurse-submodules`. + * A working C compiler. + * CPython header files. These can usually be obtained by installing + the relevant Python development package: **python3-dev** on Debian/Ubuntu, + **python3-devel** on RHEL/Fedora. + +Once the above requirements are satisfied, run the following command +in the root of the source checkout: + +.. code-block:: bash + + $ pip install -e . + +A debug build containing more runtime checks can be created by setting +the ``ASYNCPG_DEBUG`` environment variable when building: + +.. code-block:: bash + + $ env ASYNCPG_DEBUG=1 pip install -e . + + +Running tests +------------- + + +If you want to run tests you must have PostgreSQL installed. + +To execute the testsuite run: + +.. code-block:: bash + + $ python setup.py test diff --git a/docs/usage.rst b/docs/usage.rst new file mode 100644 index 0000000..3c835ec --- /dev/null +++ b/docs/usage.rst @@ -0,0 +1,411 @@ +.. _asyncpg-examples: + + +asyncpg Usage +============= + +The interaction with the database normally starts with a call to +:func:`connect() `, which establishes +a new database session and returns a new +:class:`Connection ` instance, +which provides methods to run queries and manage transactions. + + +.. code-block:: python + + import asyncio + import asyncpg + import datetime + + async def main(): + # Establish a connection to an existing database named "test" + # as a "postgres" user. + conn = await asyncpg.connect('postgresql://postgres@localhost/test') + # Execute a statement to create a new table. + await conn.execute(''' + CREATE TABLE users( + id serial PRIMARY KEY, + name text, + dob date + ) + ''') + + # Insert a record into the created table. + await conn.execute(''' + INSERT INTO users(name, dob) VALUES($1, $2) + ''', 'Bob', datetime.date(1984, 3, 1)) + + # Select a row from the table. + row = await conn.fetchrow( + 'SELECT * FROM users WHERE name = $1', 'Bob') + # *row* now contains + # asyncpg.Record(id=1, name='Bob', dob=datetime.date(1984, 3, 1)) + + # Close the connection. + await conn.close() + + asyncio.get_event_loop().run_until_complete(main()) + + + +.. note:: + + asyncpg uses the native PostgreSQL syntax for query arguments: ``$n``. + + + +Type Conversion +--------------- + +asyncpg automatically converts PostgreSQL types to the corresponding Python +types and vice versa. All standard data types are supported out of the box, +including arrays, composite types, range types, enumerations and any +combination of them. It is possible to supply codecs for non-standard +types or override standard codecs. See :ref:`asyncpg-custom-codecs` for +more information. + +The table below shows the correspondence between PostgreSQL and Python types. + ++----------------------+-----------------------------------------------------+ +| PostgreSQL Type | Python Type | ++======================+=====================================================+ +| ``anyarray`` | :class:`list ` | ++----------------------+-----------------------------------------------------+ +| ``anyenum`` | :class:`str ` | ++----------------------+-----------------------------------------------------+ +| ``anyrange`` | :class:`asyncpg.Range ` | ++----------------------+-----------------------------------------------------+ +| ``record`` | :class:`asyncpg.Record`, | +| | :class:`tuple `, | +| | :class:`Mapping ` | ++----------------------+-----------------------------------------------------+ +| ``bit``, ``varbit`` | :class:`asyncpg.BitString `| ++----------------------+-----------------------------------------------------+ +| ``bool`` | :class:`bool ` | ++----------------------+-----------------------------------------------------+ +| ``box`` | :class:`asyncpg.Box ` | ++----------------------+-----------------------------------------------------+ +| ``bytea`` | :class:`bytes ` | ++----------------------+-----------------------------------------------------+ +| ``char``, ``name``, | :class:`str ` | +| ``varchar``, | | +| ``text``, | | +| ``xml`` | | ++----------------------+-----------------------------------------------------+ +| ``cidr`` | :class:`ipaddress.IPv4Network\ | +| | `, | +| | :class:`ipaddress.IPv6Network\ | +| | ` | ++----------------------+-----------------------------------------------------+ +| ``inet`` | :class:`ipaddress.IPv4Interface\ | +| | `, | +| | :class:`ipaddress.IPv6Interface\ | +| | `, | +| | :class:`ipaddress.IPv4Address\ | +| | `, | +| | :class:`ipaddress.IPv6Address\ | +| | ` [#f1]_ | ++----------------------+-----------------------------------------------------+ +| ``macaddr`` | :class:`str ` | ++----------------------+-----------------------------------------------------+ +| ``circle`` | :class:`asyncpg.Circle ` | ++----------------------+-----------------------------------------------------+ +| ``date`` | :class:`datetime.date ` | ++----------------------+-----------------------------------------------------+ +| ``time`` | offset-naïve :class:`datetime.time \ | +| | ` | ++----------------------+-----------------------------------------------------+ +| ``time with | offset-aware :class:`datetime.time \ | +| time zone`` | ` | ++----------------------+-----------------------------------------------------+ +| ``timestamp`` | offset-naïve :class:`datetime.datetime \ | +| | ` | ++----------------------+-----------------------------------------------------+ +| ``timestamp with | offset-aware :class:`datetime.datetime \ | +| time zone`` | ` | ++----------------------+-----------------------------------------------------+ +| ``interval`` | :class:`datetime.timedelta \ | +| | ` | ++----------------------+-----------------------------------------------------+ +| ``float``, | :class:`float ` [#f2]_ | +| ``double precision`` | | ++----------------------+-----------------------------------------------------+ +| ``smallint``, | :class:`int ` | +| ``integer``, | | +| ``bigint`` | | ++----------------------+-----------------------------------------------------+ +| ``numeric`` | :class:`Decimal ` | ++----------------------+-----------------------------------------------------+ +| ``json``, ``jsonb`` | :class:`str ` | ++----------------------+-----------------------------------------------------+ +| ``line`` | :class:`asyncpg.Line ` | ++----------------------+-----------------------------------------------------+ +| ``lseg`` | :class:`asyncpg.LineSegment \ | +| | ` | ++----------------------+-----------------------------------------------------+ +| ``money`` | :class:`str ` | ++----------------------+-----------------------------------------------------+ +| ``path`` | :class:`asyncpg.Path ` | ++----------------------+-----------------------------------------------------+ +| ``point`` | :class:`asyncpg.Point ` | ++----------------------+-----------------------------------------------------+ +| ``polygon`` | :class:`asyncpg.Polygon ` | ++----------------------+-----------------------------------------------------+ +| ``uuid`` | :class:`uuid.UUID ` | ++----------------------+-----------------------------------------------------+ +| ``tid`` | :class:`tuple ` | ++----------------------+-----------------------------------------------------+ + +All other types are encoded and decoded as text by default. + +.. [#f1] Prior to version 0.20.0, asyncpg erroneously treated ``inet`` values + with prefix as ``IPvXNetwork`` instead of ``IPvXInterface``. + +.. [#f2] Inexact single-precision ``float`` values may have a different + representation when decoded into a Python float. This is inherent + to the implementation of limited-precision floating point types. + If you need the decimal representation to match, cast the expression + to ``double`` or ``numeric`` in your query. + +.. _asyncpg-custom-codecs: + +Custom Type Conversions +----------------------- + +asyncpg allows defining custom type conversion functions both for standard +and user-defined types using the :meth:`Connection.set_type_codec() \ +` and +:meth:`Connection.set_builtin_type_codec() \ +` methods. + + +Example: automatic JSON conversion +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The example below shows how to configure asyncpg to encode and decode +JSON values using the :mod:`json ` module. + +.. code-block:: python + + import asyncio + import asyncpg + import json + + + async def main(): + conn = await asyncpg.connect() + + try: + await conn.set_type_codec( + 'json', + encoder=json.dumps, + decoder=json.loads, + schema='pg_catalog' + ) + + data = {'foo': 'bar', 'spam': 1} + res = await conn.fetchval('SELECT $1::json', data) + + finally: + await conn.close() + + asyncio.get_event_loop().run_until_complete(main()) + + +Example: automatic conversion of PostGIS types +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The example below shows how to configure asyncpg to encode and decode +the PostGIS ``geometry`` type. It works for any Python object that +conforms to the `geo interface specification`_ and relies on Shapely_, +although any library that supports reading and writing the WKB format +will work. + +.. _Shapely: https://github.com/Toblerity/Shapely +.. _geo interface specification: https://gist.github.com/sgillies/2217756 + +.. code-block:: python + + import asyncio + import asyncpg + + import shapely.geometry + import shapely.wkb + from shapely.geometry.base import BaseGeometry + + + async def main(): + conn = await asyncpg.connect() + + try: + def encode_geometry(geometry): + if not hasattr(geometry, '__geo_interface__'): + raise TypeError('{g} does not conform to ' + 'the geo interface'.format(g=geometry)) + shape = shapely.geometry.asShape(geometry) + return shapely.wkb.dumps(shape) + + def decode_geometry(wkb): + return shapely.wkb.loads(wkb) + + await conn.set_type_codec( + 'geometry', # also works for 'geography' + encoder=encode_geometry, + decoder=decode_geometry, + format='binary', + ) + + data = shapely.geometry.Point(-73.985661, 40.748447) + res = await conn.fetchrow( + '''SELECT 'Empire State Building' AS name, + $1::geometry AS coordinates + ''', + data) + + print(res) + + finally: + await conn.close() + + asyncio.get_event_loop().run_until_complete(main()) + + +Example: decoding numeric columns as floats +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +By default asyncpg decodes numeric columns as Python +:class:`Decimal ` instances. The example below +shows how to instruct asyncpg to use floats instead. + +.. code-block:: python + + import asyncio + import asyncpg + + + async def main(): + conn = await asyncpg.connect() + + try: + await conn.set_type_codec( + 'numeric', encoder=str, decoder=float, + schema='pg_catalog', format='text' + ) + + res = await conn.fetchval("SELECT $1::numeric", 11.123) + print(res, type(res)) + + finally: + await conn.close() + + asyncio.get_event_loop().run_until_complete(main()) + + +Example: decoding hstore values +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +hstore_ is an extension data type used for storing key/value pairs. +asyncpg includes a codec to decode and encode hstore values as ``dict`` +objects. Because ``hstore`` is not a builtin type, the codec must +be registered on a connection using :meth:`Connection.set_builtin_type_codec() +`: + +.. code-block:: python + + import asyncpg + import asyncio + + async def run(): + conn = await asyncpg.connect() + # Assuming the hstore extension exists in the public schema. + await conn.set_builtin_type_codec( + 'hstore', codec_name='pg_contrib.hstore') + result = await conn.fetchval("SELECT 'a=>1,b=>2,c=>NULL'::hstore") + assert result == {'a': '1', 'b': '2', 'c': None} + + asyncio.get_event_loop().run_until_complete(run()) + +.. _hstore: https://www.postgresql.org/docs/current/static/hstore.html + + +Transactions +------------ + +To create transactions, the +:meth:`Connection.transaction() ` method +should be used. + +The most common way to use transactions is through an ``async with`` statement: + +.. code-block:: python + + async with connection.transaction(): + await connection.execute("INSERT INTO mytable VALUES(1, 2, 3)") + +.. note:: + + When not in an explicit transaction block, any changes to the database + will be applied immediately. This is also known as *auto-commit*. + +See the :ref:`asyncpg-api-transaction` API documentation for more information. + + +.. _asyncpg-connection-pool: + +Connection Pools +---------------- + +For server-type type applications, that handle frequent requests and need +the database connection for a short period time while handling a request, +the use of a connection pool is recommended. asyncpg provides an advanced +pool implementation, which eliminates the need to use an external connection +pooler such as PgBouncer. + +To create a connection pool, use the +:func:`asyncpg.create_pool() ` function. +The resulting :class:`Pool ` object can then be used +to borrow connections from the pool. + +Below is an example of how **asyncpg** can be used to implement a simple +Web service that computes the requested power of two. + + +.. code-block:: python + + import asyncio + import asyncpg + from aiohttp import web + + + async def handle(request): + """Handle incoming requests.""" + pool = request.app['pool'] + power = int(request.match_info.get('power', 10)) + + # Take a connection from the pool. + async with pool.acquire() as connection: + # Open a transaction. + async with connection.transaction(): + # Run the query passing the request argument. + result = await connection.fetchval('select 2 ^ $1', power) + return web.Response( + text="2 ^ {} is {}".format(power, result)) + + + async def init_app(): + """Initialize the application server.""" + app = web.Application() + # Create a database connection pool + app['pool'] = await asyncpg.create_pool(database='postgres', + user='postgres') + # Configure service routes + app.router.add_route('GET', '/{power:\d+}', handle) + app.router.add_route('GET', '/', handle) + return app + + + loop = asyncio.get_event_loop() + app = loop.run_until_complete(init_app()) + web.run_app(app) + +See :ref:`asyncpg-api-pool` API documentation for more information. diff --git a/performance.png b/performance.png new file mode 100644 index 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RuntimeError('asyncpg requires Python 3.5 or greater') + +import os +import os.path +import pathlib +import platform +import re +import subprocess + +# We use vanilla build_ext, to avoid importing Cython via +# the setuptools version. +import setuptools +from setuptools.command import build_py as setuptools_build_py +from setuptools.command import sdist as setuptools_sdist +from setuptools.command import build_ext as setuptools_build_ext + + +CYTHON_DEPENDENCY = 'Cython==0.29.20' + +# Minimal dependencies required to test asyncpg. +TEST_DEPENDENCIES = [ + # pycodestyle is a dependency of flake8, but it must be frozen because + # their combination breaks too often + # (example breakage: https://gitlab.com/pycqa/flake8/issues/427) + 'pycodestyle~=2.5.0', + 'flake8~=3.7.9', + 'uvloop~=0.14.0;platform_system!="Windows"', +] + +# Dependencies required to build documentation. +DOC_DEPENDENCIES = [ + 'Sphinx~=1.7.3', + 'sphinxcontrib-asyncio~=0.2.0', + 'sphinx_rtd_theme~=0.2.4', +] + +EXTRA_DEPENDENCIES = { + 'docs': DOC_DEPENDENCIES, + 'test': TEST_DEPENDENCIES, + # Dependencies required to develop asyncpg. + 'dev': [ + CYTHON_DEPENDENCY, + 'pytest>=3.6.0', + ] + DOC_DEPENDENCIES + TEST_DEPENDENCIES +} + + +CFLAGS = ['-O2'] +LDFLAGS = [] + +if platform.uname().system != 'Windows': + CFLAGS.extend(['-fsigned-char', '-Wall', '-Wsign-compare', '-Wconversion']) + + +_ROOT = pathlib.Path(__file__).parent + + +with open(str(_ROOT / 'README.rst')) as f: + readme = f.read() + + +with open(str(_ROOT / 'asyncpg' / '__init__.py')) as f: + for line in f: + if line.startswith('__version__ ='): + _, _, version = line.partition('=') + VERSION = version.strip(" \n'\"") + break + else: + raise RuntimeError( + 'unable to read the version from asyncpg/__init__.py') + + +if (_ROOT / '.git').is_dir() and 'dev' in VERSION: + # This is a git checkout, use git to + # generate a precise version. + def git_commitish(): + env = {} + v = os.environ.get('PATH') + if v is not None: + env['PATH'] = v + + git = subprocess.run(['git', 'rev-parse', 'HEAD'], env=env, + cwd=str(_ROOT), stdout=subprocess.PIPE) + if git.returncode == 0: + commitish = git.stdout.strip().decode('ascii') + else: + commitish = 'unknown' + + return commitish + + VERSION += '+' + git_commitish()[:7] + + +class VersionMixin: + + def _fix_version(self, filename): + # Replace asyncpg.__version__ with the actual version + # of the distribution (possibly inferred from git). + + with open(str(filename)) as f: + content = f.read() + + version_re = r"(.*__version__\s*=\s*)'[^']+'(.*)" + repl = r"\1'{}'\2".format(self.distribution.metadata.version) + content = re.sub(version_re, repl, content) + + with open(str(filename), 'w') as f: + f.write(content) + + +class sdist(setuptools_sdist.sdist, VersionMixin): + + def make_release_tree(self, base_dir, files): + super().make_release_tree(base_dir, files) + self._fix_version(pathlib.Path(base_dir) / 'asyncpg' / '__init__.py') + + +class build_py(setuptools_build_py.build_py, VersionMixin): + + def build_module(self, module, module_file, package): + outfile, copied = super().build_module(module, module_file, package) + + if module == '__init__' and package == 'asyncpg': + self._fix_version(outfile) + + return outfile, copied + + +class build_ext(setuptools_build_ext.build_ext): + + user_options = setuptools_build_ext.build_ext.user_options + [ + ('cython-always', None, + 'run cythonize() even if .c files are present'), + ('cython-annotate', None, + 'Produce a colorized HTML version of the Cython source.'), + ('cython-directives=', None, + 'Cython compiler directives'), + ] + + def initialize_options(self): + # initialize_options() may be called multiple times on the + # same command object, so make sure not to override previously + # set options. + if getattr(self, '_initialized', False): + return + + super(build_ext, self).initialize_options() + + if os.environ.get('ASYNCPG_DEBUG'): + self.cython_always = True + self.cython_annotate = True + self.cython_directives = "linetrace=True" + self.define = 'PG_DEBUG,CYTHON_TRACE,CYTHON_TRACE_NOGIL' + self.debug = True + else: + self.cython_always = False + self.cython_annotate = None + self.cython_directives = None + + def finalize_options(self): + # finalize_options() may be called multiple times on the + # same command object, so make sure not to override previously + # set options. + if getattr(self, '_initialized', False): + return + + need_cythonize = self.cython_always + cfiles = {} + + for extension in self.distribution.ext_modules: + for i, sfile in enumerate(extension.sources): + if sfile.endswith('.pyx'): + prefix, ext = os.path.splitext(sfile) + cfile = prefix + '.c' + + if os.path.exists(cfile) and not self.cython_always: + extension.sources[i] = cfile + else: + if os.path.exists(cfile): + cfiles[cfile] = os.path.getmtime(cfile) + else: + cfiles[cfile] = 0 + need_cythonize = True + + if need_cythonize: + import pkg_resources + + # Double check Cython presence in case setup_requires + # didn't go into effect (most likely because someone + # imported Cython before setup_requires injected the + # correct egg into sys.path. + try: + import Cython + except ImportError: + raise RuntimeError( + 'please install {} to compile asyncpg from source'.format( + CYTHON_DEPENDENCY)) + + cython_dep = pkg_resources.Requirement.parse(CYTHON_DEPENDENCY) + if Cython.__version__ not in cython_dep: + raise RuntimeError( + 'asyncpg requires {}, got Cython=={}'.format( + CYTHON_DEPENDENCY, Cython.__version__ + )) + + from Cython.Build import cythonize + + directives = { + 'language_level': '3', + } + + if self.cython_directives: + for directive in self.cython_directives.split(','): + k, _, v = directive.partition('=') + if v.lower() == 'false': + v = False + if v.lower() == 'true': + v = True + + directives[k] = v + + self.distribution.ext_modules[:] = cythonize( + self.distribution.ext_modules, + compiler_directives=directives, + annotate=self.cython_annotate) + + super(build_ext, self).finalize_options() + + +setup_requires = [] + +if (not (_ROOT / 'asyncpg' / 'protocol' / 'protocol.c').exists() or + '--cython-always' in sys.argv): + # No Cython output, require Cython to build. + setup_requires.append(CYTHON_DEPENDENCY) + + +setuptools.setup( + name='asyncpg', + version=VERSION, + description='An asyncio PostgreSQL driver', + long_description=readme, + classifiers=[ + 'Development Status :: 5 - Production/Stable', + 'Framework :: AsyncIO', + 'Intended Audience :: Developers', + 'License :: OSI Approved :: Apache Software License', + 'Operating System :: POSIX', + 'Operating System :: MacOS :: MacOS X', + 'Operating System :: Microsoft :: Windows', + 'Programming Language :: Python :: 3 :: Only', + 'Programming Language :: Python :: 3.5', + 'Programming Language :: Python :: 3.6', + 'Programming Language :: Python :: 3.7', + 'Programming Language :: Python :: 3.8', + 'Programming Language :: Python :: Implementation :: CPython', + 'Topic :: Database :: Front-Ends', + ], + platforms=['macOS', 'POSIX', 'Windows'], + python_requires='>=3.5.0', + zip_safe=False, + author='MagicStack Inc', + author_email='hello@magic.io', + url='https://github.com/MagicStack/asyncpg', + license='Apache License, Version 2.0', + packages=['asyncpg'], + provides=['asyncpg'], + include_package_data=True, + ext_modules=[ + setuptools.extension.Extension( + "asyncpg.pgproto.pgproto", + ["asyncpg/pgproto/pgproto.pyx"], + extra_compile_args=CFLAGS, + extra_link_args=LDFLAGS), + + setuptools.extension.Extension( + "asyncpg.protocol.protocol", + ["asyncpg/protocol/record/recordobj.c", + "asyncpg/protocol/protocol.pyx"], + include_dirs=['asyncpg/pgproto/'], + extra_compile_args=CFLAGS, + extra_link_args=LDFLAGS), + ], + cmdclass={'build_ext': build_ext, 'build_py': build_py, 'sdist': sdist}, + test_suite='tests.suite', + extras_require=EXTRA_DEPENDENCIES, + setup_requires=setup_requires, +) diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..6282ebe --- /dev/null +++ b/tests/__init__.py @@ -0,0 +1,23 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import pathlib +import sys +import unittest + + +def suite(): + test_loader = unittest.TestLoader() + test_suite = test_loader.discover(str(pathlib.Path(__file__).parent), + pattern='test_*.py') + return test_suite + + +if __name__ == '__main__': + runner = unittest.runner.TextTestRunner() + result = runner.run(suite()) + sys.exit(not result.wasSuccessful()) diff --git a/tests/certs/ca.cert.pem b/tests/certs/ca.cert.pem new file mode 100644 index 0000000..0329883 --- /dev/null +++ b/tests/certs/ca.cert.pem @@ -0,0 +1,35 @@ +-----BEGIN CERTIFICATE----- +MIIGFzCCA/+gAwIBAgIJAPTCST3Z/WinMA0GCSqGSIb3DQEBCwUAMIGhMQswCQYD 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/dev/null +++ b/tests/certs/server.key.pem @@ -0,0 +1,51 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIJKgIBAAKCAgEA+0WH9PX4a6Tsnp7xtUbZ51c77aqVagdfj9xYJPqD3X7u2Odf +yyYivZ91DiS23acfLOEQOfBNn2ZFcrLaXy33UAXo1VcvCsKNJY4FfS9A5OBZ4UTL +peagrTnZuRS4KMadg0V9jb5au6+s7jExPty9c+nZ59Kd6IbkPn31l9K5rj4/2WvG +pIj9k5YaXswJVBiTWGKxP9a3xMb9CG9bqNCD5kXo+1K2oDJyGE3mj6QSjlnFw6NN +f+dCOGWSs7JHMNZVVtRG2qsEIssZgpHseu9he684ZqdqrMCG6wBDW58sUBp6Dt6z +jyTLefs8ht0tT+ZcmPno2G3mgs1bLyQsQB8a7fqzzaW6wPwdZJBGO/qI7Zr/30VD +I7InLmxbg62tdrTP4CibXWfe6Qoi6xSNZd7FvP2OoCA7Nk6HahdwDocInB9fWV2j +jkqyeIdDSd9QUItCUSgyVm+XefO/T8B75PNCykyWAMMDGOBE706KZh4oXeMORoYp +LxsbtL0/7n/JPwQDHeLQHHRjiw2ydxH2/940jngnL1YCqWiUq06FPvl3zn+Qgim+ +kIhfJeYuQ8zxdh8P7Ay4i5neuum+FQZspPiSzx6jMQIOu+e+iBP2AIdu/UQK+JPU +epE2Pt5aEyuzgNEbg0cR6tQ3rJCbj0DdtU26ale5EeD8y1JYCXEYkED88bMCAwEA +AQKCAgEAtof0E8b7B3dvTGs6Ou2VLbD5H9VjZPqmOONgRLyXPjgPWhH6TKEPa6CC +cBvLm4jj5L46A1zFhp3MpV23tJy3o7InSZNj4PUjg7x/0EibY6h2omZPadz3q97y 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+Ode2MtloeOl2csIRtvVZWEHWuFiQyvDbVXQvmoeJT+K1acw0mOOkXLME2BLOHTkJ +bYU5zd+dnF3W3CaOUagpesP7QZYiqdso88EugFDt5KtonFRtp/YNY4HxmEahE2I2 +KGVN6rFV5WIZsJyXhNCvacci1ZnJqwN/43Vx5ejsqjtypi1XAKlYzGj0ktDbOFGR +vZQdR5Q8rYQ+V7Bypwzbchq9+Udh3Xd8VmosADE0OoATDU6m1SHvsZMxZ83vcs/8 +pkwtzMlzo3q/yPSG+jTU7kq0PE8z628ol5sFZrFMmoECggEATQpHFmFDnvCSWzi7 +UMmemw49hRVGLtDWu042VUE5+elTlhqQDme/Vj4PQsEY2c6txhIB8sxKLumktHjT +4NQtuQnnb5yh7uBhtz8HaOgk+dV0T7AMBcJSBz/9uZC+yfKt77gEAUJM0jbYOQnz +aEwvT7EbOyhwQW3kFORWCOOOMj6YBl0uhRObY4HslLuTrN3xCadNpPGEJd8YNsi1 +8L1IJDW5hZr6rz+bjvUnx0WT57HM4eF4eNHi6o9/s90i79TbjQ8GUcGygTUDlido +OziiA62OeEhU/hy/l/L7et3fpnG2yR3Qw4GVUDhtA9s0EQwuL4+PyFCU68Fz7fGN +5uZpewKCAQEAvBAmHhwaPBlrDVk6XEY11mwiQoDFBmNSiZE7ZXqcDKWZKpoyc/78 +S+wyUxR5HbognHEpfB4A86AZsuxbOs2DKcELRHHzrdzXuFfjDpV1RTz91699LGQn +bfeKrdMCqKTbkiiLlwgjDQMQc5bJ9pqwTCFyl6aE8p6nJS8u3XYSSvXzSzXL764T +0RMusox3dmuQWiRqlarizWfAS8JFOX5ywo4Z6DfGrJkxYRkx/l25N1W0zTTUV5C4 +Q7lqIqhMdNHF4qLlxRkI9cN5kR1ov08kYLLW+VySLBL8xsTVm94WJZN6XdrHuYVr +94vq4F9hk89aS7EYWFp8VKVMDUkIi0KJAQKCAQEAmt1zJ9MP2xDIbNCY1Kuk3Zoy +oYcCqijK6i/9Aeu+9w8U1hSrcU5SOF4VQbDwB00RzzDPL7K4e77GulEDnanKnEpX +eu4lYuhCgG/G7uECU8jLOUQUVp8c4Fcyp29T0pTkow15TLifUOXAfQGfe8jK/SvI +jpAAwxBDwQ4HNGA3y3HOzmIt5riRLGahASxDpyTDBmFiuRPwyXNxEoO6ZMtaSL9t +ThhMc74EU8qFBBnzfaKkUZshB9jkcpQq800M99Wj5t31A4mNwz1tmAEM/Wvvbhea +Yx2I+nS6CQhg0DMAxGqalTTLWxjY4NK+j6Mb5FVpXGJ5yUef2TWVRUymm5XlSA== +-----END RSA PRIVATE KEY----- diff --git a/tests/test__environment.py b/tests/test__environment.py new file mode 100644 index 0000000..3141fe8 --- /dev/null +++ b/tests/test__environment.py @@ -0,0 +1,41 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import os +import unittest + +import asyncpg +import asyncpg.serverversion + +from asyncpg import _testbase as tb + + +class TestEnvironment(tb.ConnectedTestCase): + @unittest.skipIf(not os.environ.get('PGVERSION'), + "environ[PGVERSION] is not set") + async def test_environment_server_version(self): + pgver = os.environ.get('PGVERSION') + env_ver = asyncpg.serverversion.split_server_version_string(pgver) + srv_ver = self.con.get_server_version() + + self.assertEqual( + env_ver[:2], srv_ver[:2], + 'Expecting PostgreSQL version {pgver}, got {maj}.{min}.'.format( + pgver=pgver, maj=srv_ver.major, min=srv_ver.minor) + ) + + @unittest.skipIf(not os.environ.get('ASYNCPG_VERSION'), + "environ[ASYNCPG_VERSION] is not set") + @unittest.skipIf("dev" in asyncpg.__version__, + "development version with git commit data") + async def test_environment_asyncpg_version(self): + apgver = os.environ.get('ASYNCPG_VERSION') + self.assertEqual( + asyncpg.__version__, apgver, + 'Expecting asyncpg version {}, got {}.'.format( + apgver, asyncpg.__version__) + ) diff --git a/tests/test__sourcecode.py b/tests/test__sourcecode.py new file mode 100644 index 0000000..28ffdea --- /dev/null +++ b/tests/test__sourcecode.py @@ -0,0 +1,40 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + +import os +import subprocess +import sys +import unittest + + +def find_root(): + return os.path.dirname(os.path.dirname(os.path.abspath(__file__))) + + +class TestFlake8(unittest.TestCase): + + def test_flake8(self): + try: + import flake8 # NoQA + except ImportError: + raise unittest.SkipTest('flake8 module is missing') + + root_path = find_root() + config_path = os.path.join(root_path, '.flake8') + if not os.path.exists(config_path): + raise RuntimeError('could not locate .flake8 file') + + try: + subprocess.run( + [sys.executable, '-m', 'flake8', '--config', config_path], + check=True, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + cwd=root_path) + except subprocess.CalledProcessError as ex: + output = ex.output.decode() + raise AssertionError( + 'flake8 validation failed:\n{}'.format(output)) from None diff --git a/tests/test_adversity.py b/tests/test_adversity.py new file mode 100644 index 0000000..fa0f6ab --- /dev/null +++ b/tests/test_adversity.py @@ -0,0 +1,73 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + +"""Tests how asyncpg behaves in non-ideal conditions.""" + +import asyncio +import os +import platform +import unittest +import sys + +from asyncpg import _testbase as tb + + +@unittest.skipIf(os.environ.get('PGHOST'), 'using remote cluster for testing') +@unittest.skipIf( + platform.system() == 'Windows' and + sys.version_info >= (3, 8), + 'not compatible with ProactorEventLoop which is default in Python 3.8') +class TestConnectionLoss(tb.ProxiedClusterTestCase): + @tb.with_timeout(30.0) + async def test_connection_close_timeout(self): + con = await self.connect() + self.proxy.trigger_connectivity_loss() + with self.assertRaises(asyncio.TimeoutError): + await con.close(timeout=0.5) + + @tb.with_timeout(30.0) + async def test_pool_release_timeout(self): + pool = await self.create_pool( + database='postgres', min_size=2, max_size=2) + try: + with self.assertRaises(asyncio.TimeoutError): + async with pool.acquire(timeout=0.5): + self.proxy.trigger_connectivity_loss() + finally: + self.proxy.restore_connectivity() + pool.terminate() + + @tb.with_timeout(30.0) + async def test_pool_handles_abrupt_connection_loss(self): + pool_size = 3 + query_runtime = 0.5 + pool_timeout = cmd_timeout = 1.0 + concurrency = 9 + pool_concurrency = (concurrency - 1) // pool_size + 1 + + # Worst expected runtime + 20% to account for other latencies. + worst_runtime = (pool_timeout + cmd_timeout) * pool_concurrency * 1.2 + + async def worker(pool): + async with pool.acquire(timeout=pool_timeout) as con: + await con.fetch('SELECT pg_sleep($1)', query_runtime) + + def kill_connectivity(): + self.proxy.trigger_connectivity_loss() + + new_pool = self.create_pool( + database='postgres', min_size=pool_size, max_size=pool_size, + timeout=cmd_timeout, command_timeout=cmd_timeout) + + with self.assertRunUnder(worst_runtime): + pool = await new_pool + try: + workers = [worker(pool) for _ in range(concurrency)] + self.loop.call_later(1, kill_connectivity) + await asyncio.gather( + *workers, return_exceptions=True) + finally: + pool.terminate() diff --git a/tests/test_cache_invalidation.py b/tests/test_cache_invalidation.py new file mode 100644 index 0000000..5cab2d9 --- /dev/null +++ b/tests/test_cache_invalidation.py @@ -0,0 +1,390 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncpg +from asyncpg import _testbase as tb + +ERRNUM = 'unexpected number of attributes of composite type' +ERRTYP = 'unexpected data type of composite type' + + +class TestCacheInvalidation(tb.ConnectedTestCase): + + def _get_cached_statements(self, connection=None): + if connection is None: + connection = self.con + return list(connection._stmt_cache.iter_statements()) + + def _check_statements_are_not_closed(self, statements): + self.assertGreater(len(statements), 0) + self.assertTrue(all(not s.closed for s in statements)) + + def _check_statements_are_closed(self, statements): + self.assertGreater(len(statements), 0) + self.assertTrue(all(s.closed for s in statements)) + + async def test_prepare_cache_invalidation_silent(self): + await self.con.execute('CREATE TABLE tab1(a int, b int)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, 2)') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, 2)) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + await self.con.execute( + 'ALTER TABLE tab1 ALTER COLUMN b SET DATA TYPE text') + + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, '2')) + + self._check_statements_are_closed(statements) + finally: + await self.con.execute('DROP TABLE tab1') + + async def test_prepare_cache_invalidation_in_transaction(self): + await self.con.execute('CREATE TABLE tab1(a int, b int)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, 2)') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, 2)) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + await self.con.execute( + 'ALTER TABLE tab1 ALTER COLUMN b SET DATA TYPE text') + + with self.assertRaisesRegex(asyncpg.InvalidCachedStatementError, + 'cached statement plan is invalid'): + async with self.con.transaction(): + result = await self.con.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements) + + # This is now OK, + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, '2')) + finally: + await self.con.execute('DROP TABLE tab1') + + async def test_prepare_cache_invalidation_in_pool(self): + pool = await self.create_pool(database='postgres', + min_size=2, max_size=2) + + await self.con.execute('CREATE TABLE tab1(a int, b int)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, 2)') + + con1 = await pool.acquire() + con2 = await pool.acquire() + + result = await con1.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, 2)) + + result = await con2.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, 2)) + + statements1 = self._get_cached_statements(con1) + self._check_statements_are_not_closed(statements1) + + statements2 = self._get_cached_statements(con2) + self._check_statements_are_not_closed(statements2) + + await self.con.execute( + 'ALTER TABLE tab1 ALTER COLUMN b SET DATA TYPE text') + + # con1 tries the same plan, will invalidate the cache + # for the entire pool. + result = await con1.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, '2')) + + self._check_statements_are_closed(statements1) + self._check_statements_are_closed(statements2) + + async with con2.transaction(): + # This should work, as con1 should have invalidated + # the plan cache. + result = await con2.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, '2')) + + finally: + await self.con.execute('DROP TABLE tab1') + await pool.release(con2) + await pool.release(con1) + await pool.close() + + async def test_type_cache_invalidation_in_transaction(self): + await self.con.execute('CREATE TYPE typ1 AS (x int, y int)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + async with self.con.transaction(): + await self.con.execute('ALTER TYPE typ1 ADD ATTRIBUTE c text') + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await self.con.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements) + + # The second request must be correct (cache was dropped): + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, None))) + + # This is now OK, the cache is actual after the transaction. + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, None))) + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + + async def test_type_cache_invalidation_in_cancelled_transaction(self): + await self.con.execute('CREATE TYPE typ1 AS (x int, y int)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + try: + async with self.con.transaction(): + await self.con.execute( + 'ALTER TYPE typ1 ADD ATTRIBUTE c text') + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await self.con.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements) + + # The second request must be correct (cache was dropped): + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, None))) + raise UserWarning # Just to generate ROLLBACK + except UserWarning: + pass + + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await self.con.fetchrow('SELECT * FROM tab1') + # This is now OK, the cache is filled after being dropped. + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + + async def test_prepared_type_cache_invalidation(self): + await self.con.execute('CREATE TYPE typ1 AS (x int, y int)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + prep = await self.con._prepare('SELECT * FROM tab1', + use_cache=True) + result = await prep.fetchrow() + self.assertEqual(result, (1, (2, 3))) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + try: + async with self.con.transaction(): + await self.con.execute( + 'ALTER TYPE typ1 ADD ATTRIBUTE c text') + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await prep.fetchrow() + + self._check_statements_are_closed(statements) + + # PS has its local cache for types codecs, even after the + # cache cleanup it is not possible to use it. + # That's why it is marked as closed. + with self.assertRaisesRegex( + asyncpg.InterfaceError, + 'the prepared statement is closed'): + await prep.fetchrow() + + prep = await self.con._prepare('SELECT * FROM tab1', + use_cache=True) + # The second PS must be correct (cache was dropped): + result = await prep.fetchrow() + self.assertEqual(result, (1, (2, 3, None))) + raise UserWarning # Just to generate ROLLBACK + except UserWarning: + pass + + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await prep.fetchrow() + + # Reprepare it again after dropping cache. + prep = await self.con._prepare('SELECT * FROM tab1', + use_cache=True) + # This is now OK, the cache is filled after being dropped. + result = await prep.fetchrow() + self.assertEqual(result, (1, (2, 3))) + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + + async def test_type_cache_invalidation_on_drop_type_attr(self): + await self.con.execute('CREATE TYPE typ1 AS (x int, y int, c text)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute( + 'INSERT INTO tab1 VALUES (1, (2, 3, $1))', 'x') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, 'x'))) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + await self.con.execute('ALTER TYPE typ1 DROP ATTRIBUTE x') + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await self.con.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements) + + # This is now OK, the cache is filled after being dropped. + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (3, 'x'))) + + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + + async def test_type_cache_invalidation_on_change_attr(self): + await self.con.execute('CREATE TYPE typ1 AS (x int, y int)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements = self._get_cached_statements() + self._check_statements_are_not_closed(statements) + + # It is slightly artificial, but can take place in transactional + # schema changing. Nevertheless, if the code checks and raises it + # the most probable reason is a difference with the cache type. + await self.con.execute('ALTER TYPE typ1 DROP ATTRIBUTE y') + await self.con.execute('ALTER TYPE typ1 ADD ATTRIBUTE y bigint') + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRTYP): + await self.con.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements) + + # This is now OK, the cache is filled after being dropped. + result = await self.con.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, None))) + + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + + async def test_type_cache_invalidation_in_pool(self): + await self.con.execute('CREATE DATABASE testdb') + pool = await self.create_pool(database='postgres', + min_size=2, max_size=2) + + pool_chk = await self.create_pool(database='testdb', + min_size=2, max_size=2) + + await self.con.execute('CREATE TYPE typ1 AS (x int, y int)') + await self.con.execute('CREATE TABLE tab1(a int, b typ1)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + + con1 = await pool.acquire() + con2 = await pool.acquire() + + result = await con1.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements1 = self._get_cached_statements(con1) + self._check_statements_are_not_closed(statements1) + + result = await con2.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements2 = self._get_cached_statements(con2) + self._check_statements_are_not_closed(statements2) + + # Create the same schema in the "testdb", fetch data which caches + # type info. + con_chk = await pool_chk.acquire() + await con_chk.execute('CREATE TYPE typ1 AS (x int, y int)') + await con_chk.execute('CREATE TABLE tab1(a int, b typ1)') + await con_chk.execute('INSERT INTO tab1 VALUES (1, (2, 3))') + result = await con_chk.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3))) + + statements_chk = self._get_cached_statements(con_chk) + self._check_statements_are_not_closed(statements_chk) + + # Change schema in the databases. + await self.con.execute('ALTER TYPE typ1 ADD ATTRIBUTE c text') + await con_chk.execute('ALTER TYPE typ1 ADD ATTRIBUTE c text') + + # con1 tries to get cached type info, fails, but invalidates the + # cache for the entire pool. + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await con1.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements1) + self._check_statements_are_closed(statements2) + + async with con2.transaction(): + # This should work, as con1 should have invalidated all caches. + result = await con2.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, None))) + + # After all the con1 uses actual info from renewed cache entry. + result = await con1.fetchrow('SELECT * FROM tab1') + self.assertEqual(result, (1, (2, 3, None))) + + # Check the invalidation is database-specific, i.e. cache entries + # for pool_chk/con_chk was not dropped via pool/con1. + + self._check_statements_are_not_closed(statements_chk) + + with self.assertRaisesRegex( + asyncpg.OutdatedSchemaCacheError, ERRNUM): + await con_chk.fetchrow('SELECT * FROM tab1') + + self._check_statements_are_closed(statements_chk) + finally: + await self.con.execute('DROP TABLE tab1') + await self.con.execute('DROP TYPE typ1') + await pool.release(con2) + await pool.release(con1) + await pool.close() + await pool_chk.release(con_chk) + await pool_chk.close() + await self.con.execute('DROP DATABASE testdb') diff --git a/tests/test_cancellation.py b/tests/test_cancellation.py new file mode 100644 index 0000000..7bad9de --- /dev/null +++ b/tests/test_cancellation.py @@ -0,0 +1,96 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import asyncpg + +from asyncpg import _testbase as tb + + +class TestCancellation(tb.ConnectedTestCase): + + async def test_cancellation_01(self): + st1000 = await self.con.prepare('SELECT 1000') + + async def test0(): + val = await self.con.execute('SELECT 42') + self.assertEqual(val, 'SELECT 1') + + async def test1(): + val = await self.con.fetchval('SELECT 42') + self.assertEqual(val, 42) + + async def test2(): + val = await self.con.fetchrow('SELECT 42') + self.assertEqual(val, (42,)) + + async def test3(): + val = await self.con.fetch('SELECT 42') + self.assertEqual(val, [(42,)]) + + async def test4(): + val = await self.con.prepare('SELECT 42') + self.assertEqual(await val.fetchval(), 42) + + async def test5(): + self.assertEqual(await st1000.fetchval(), 1000) + + async def test6(): + self.assertEqual(await st1000.fetchrow(), (1000,)) + + async def test7(): + self.assertEqual(await st1000.fetch(), [(1000,)]) + + async def test8(): + cur = await st1000.cursor() + self.assertEqual(await cur.fetchrow(), (1000,)) + + for test in {test0, test1, test2, test3, test4, test5, + test6, test7, test8}: + + with self.subTest(testfunc=test), self.assertRunUnder(1): + st = await self.con.prepare('SELECT pg_sleep(20)') + task = self.loop.create_task(st.fetch()) + await asyncio.sleep(0.05) + task.cancel() + + with self.assertRaises(asyncio.CancelledError): + await task + + async with self.con.transaction(): + await test() + + async def test_cancellation_02(self): + st = await self.con.prepare('SELECT 1') + task = self.loop.create_task(st.fetch()) + await asyncio.sleep(0.05) + task.cancel() + self.assertEqual(await task, [(1,)]) + + async def test_cancellation_03(self): + with self.assertRaises(asyncpg.InFailedSQLTransactionError): + async with self.con.transaction(): + task = self.loop.create_task( + self.con.fetch('SELECT pg_sleep(20)')) + await asyncio.sleep(0.05) + task.cancel() + + with self.assertRaises(asyncio.CancelledError): + await task + + await self.con.fetch('SELECT generate_series(0, 100)') + + self.assertEqual( + await self.con.fetchval('SELECT 42'), + 42) + + async def test_cancellation_04(self): + await self.con.fetchval('SELECT pg_sleep(0)') + waiter = asyncio.Future() + self.con._cancel_current_command(waiter) + await waiter + self.assertEqual(await self.con.fetchval('SELECT 42'), 42) diff --git a/tests/test_codecs.py b/tests/test_codecs.py new file mode 100644 index 0000000..abd3c66 --- /dev/null +++ b/tests/test_codecs.py @@ -0,0 +1,1785 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import datetime +import decimal +import ipaddress +import math +import os +import random +import struct +import unittest +import uuid + +import asyncpg +from asyncpg import _testbase as tb +from asyncpg import cluster as pg_cluster + + +def _timezone(offset): + minutes = offset // 60 + return datetime.timezone(datetime.timedelta(minutes=minutes)) + + +def _system_timezone(): + d = datetime.datetime.now(datetime.timezone.utc).astimezone() + return datetime.timezone(d.utcoffset()) + + +infinity_datetime = datetime.datetime( + datetime.MAXYEAR, 12, 31, 23, 59, 59, 999999) +negative_infinity_datetime = datetime.datetime( + datetime.MINYEAR, 1, 1, 0, 0, 0, 0) + +infinity_date = datetime.date(datetime.MAXYEAR, 12, 31) +negative_infinity_date = datetime.date(datetime.MINYEAR, 1, 1) +current_timezone = _system_timezone() +current_date = datetime.date.today() +current_datetime = datetime.datetime.now() + + +type_samples = [ + ('bool', 'bool', ( + True, False, + )), + ('smallint', 'int2', ( + -2 ** 15, 2 ** 15 - 1, + -1, 0, 1, + )), + ('int', 'int4', ( + -2 ** 31, 2 ** 31 - 1, + -1, 0, 1, + )), + ('bigint', 'int8', ( + -2 ** 63, 2 ** 63 - 1, + -1, 0, 1, + )), + ('numeric', 'numeric', ( + -(2 ** 64), + 2 ** 64, + -(2 ** 128), + 2 ** 128, + -1, 0, 1, + decimal.Decimal("0.00000000000000"), + decimal.Decimal("1.00000000000000"), + decimal.Decimal("-1.00000000000000"), + decimal.Decimal("-2.00000000000000"), + decimal.Decimal("1000000000000000.00000000000000"), + decimal.Decimal(1234), + decimal.Decimal(-1234), + decimal.Decimal("1234000000.00088883231"), + decimal.Decimal(str(1234.00088883231)), + decimal.Decimal("3123.23111"), + decimal.Decimal("-3123000000.23111"), + decimal.Decimal("3123.2311100000"), + decimal.Decimal("-03123.0023111"), + decimal.Decimal("3123.23111"), + decimal.Decimal("3123.23111"), + decimal.Decimal("10000.23111"), + decimal.Decimal("100000.23111"), + decimal.Decimal("1000000.23111"), + decimal.Decimal("10000000.23111"), + decimal.Decimal("100000000.23111"), + decimal.Decimal("1000000000.23111"), + decimal.Decimal("1000000000.3111"), + decimal.Decimal("1000000000.111"), + decimal.Decimal("1000000000.11"), + decimal.Decimal("100000000.0"), + decimal.Decimal("10000000.0"), + decimal.Decimal("1000000.0"), + decimal.Decimal("100000.0"), + decimal.Decimal("10000.0"), + decimal.Decimal("1000.0"), + decimal.Decimal("100.0"), + decimal.Decimal("100"), + decimal.Decimal("100.1"), + decimal.Decimal("100.12"), + decimal.Decimal("100.123"), + decimal.Decimal("100.1234"), + decimal.Decimal("100.12345"), + decimal.Decimal("100.123456"), + decimal.Decimal("100.1234567"), + decimal.Decimal("100.12345679"), + decimal.Decimal("100.123456790"), + decimal.Decimal("100.123456790000000000000000"), + decimal.Decimal("1.0"), + decimal.Decimal("0.0"), + decimal.Decimal("-1.0"), + decimal.Decimal("1.0E-1000"), + decimal.Decimal("1E1000"), + decimal.Decimal("0.000000000000000000000000001"), + decimal.Decimal("0.000000000000010000000000001"), + decimal.Decimal("0.00000000000000000000000001"), + decimal.Decimal("0.00000000100000000000000001"), + decimal.Decimal("0.0000000000000000000000001"), + decimal.Decimal("0.000000000000000000000001"), + decimal.Decimal("0.00000000000000000000001"), + decimal.Decimal("0.0000000000000000000001"), + decimal.Decimal("0.000000000000000000001"), + decimal.Decimal("0.00000000000000000001"), + decimal.Decimal("0.0000000000000000001"), + decimal.Decimal("0.000000000000000001"), + decimal.Decimal("0.00000000000000001"), + decimal.Decimal("0.0000000000000001"), + decimal.Decimal("0.000000000000001"), + decimal.Decimal("0.00000000000001"), + decimal.Decimal("0.0000000000001"), + decimal.Decimal("0.000000000001"), + decimal.Decimal("0.00000000001"), + decimal.Decimal("0.0000000001"), + decimal.Decimal("0.000000001"), + decimal.Decimal("0.00000001"), + decimal.Decimal("0.0000001"), + decimal.Decimal("0.000001"), + decimal.Decimal("0.00001"), + decimal.Decimal("0.0001"), + decimal.Decimal("0.001"), + decimal.Decimal("0.01"), + decimal.Decimal("0.1"), + decimal.Decimal("0.10"), + decimal.Decimal("0.100"), + decimal.Decimal("0.1000"), + decimal.Decimal("0.10000"), + decimal.Decimal("0.100000"), + decimal.Decimal("0.00001000"), + decimal.Decimal("0.000010000"), + decimal.Decimal("0.0000100000"), + decimal.Decimal("0.00001000000"), + decimal.Decimal("1" + "0" * 117 + "." + "0" * 161) + )), + ('bytea', 'bytea', ( + bytes(range(256)), + bytes(range(255, -1, -1)), + b'\x00\x00', + b'foo', + b'f' * 1024 * 1024, + dict(input=bytearray(b'\x02\x01'), output=b'\x02\x01'), + )), + ('text', 'text', ( + '', + 'A' * (1024 * 1024 + 11) + )), + ('"char"', 'char', ( + b'a', + b'b', + b'\x00' + )), + ('timestamp', 'timestamp', [ + datetime.datetime(3000, 5, 20, 5, 30, 10), + datetime.datetime(2000, 1, 1, 5, 25, 10), + datetime.datetime(500, 1, 1, 5, 25, 10), + datetime.datetime(250, 1, 1, 5, 25, 10), + infinity_datetime, + negative_infinity_datetime, + {'textinput': 'infinity', 'output': infinity_datetime}, + {'textinput': '-infinity', 'output': negative_infinity_datetime}, + {'input': datetime.date(2000, 1, 1), + 'output': datetime.datetime(2000, 1, 1)}, + {'textinput': '1970-01-01 20:31:23.648', + 'output': datetime.datetime(1970, 1, 1, 20, 31, 23, 648000)}, + {'input': datetime.datetime(1970, 1, 1, 20, 31, 23, 648000), + 'textoutput': '1970-01-01 20:31:23.648'}, + ]), + ('date', 'date', [ + datetime.date(3000, 5, 20), + datetime.date(2000, 1, 1), + datetime.date(500, 1, 1), + infinity_date, + negative_infinity_date, + {'textinput': 'infinity', 'output': infinity_date}, + {'textinput': '-infinity', 'output': negative_infinity_date}, + ]), + ('time', 'time', [ + datetime.time(12, 15, 20), + datetime.time(0, 1, 1), + datetime.time(23, 59, 59), + ]), + ('timestamptz', 'timestamptz', [ + # It's converted to UTC. When it comes back out, it will be in UTC + # again. The datetime comparison will take the tzinfo into account. + datetime.datetime(1990, 5, 12, 10, 10, 0, tzinfo=_timezone(4000)), + datetime.datetime(1982, 5, 18, 10, 10, 0, tzinfo=_timezone(6000)), + datetime.datetime(1950, 1, 1, 10, 10, 0, tzinfo=_timezone(7000)), + datetime.datetime(1800, 1, 1, 10, 10, 0, tzinfo=_timezone(2000)), + datetime.datetime(2400, 1, 1, 10, 10, 0, tzinfo=_timezone(2000)), + infinity_datetime, + negative_infinity_datetime, + { + 'input': current_date, + 'output': datetime.datetime( + year=current_date.year, month=current_date.month, + day=current_date.day, tzinfo=current_timezone), + }, + { + 'input': current_datetime, + 'output': current_datetime.replace(tzinfo=current_timezone), + } + ]), + ('timetz', 'timetz', [ + # timetz retains the offset + datetime.time(10, 10, 0, tzinfo=_timezone(4000)), + datetime.time(10, 10, 0, tzinfo=_timezone(6000)), + datetime.time(10, 10, 0, tzinfo=_timezone(7000)), + datetime.time(10, 10, 0, tzinfo=_timezone(2000)), + datetime.time(22, 30, 0, tzinfo=_timezone(0)), + ]), + ('interval', 'interval', [ + datetime.timedelta(40, 10, 1234), + datetime.timedelta(0, 0, 4321), + datetime.timedelta(0, 0), + datetime.timedelta(-100, 0), + datetime.timedelta(-100, -400), + { + 'textinput': '-2 years -11 months -10 days ' + '-2 hours -800 milliseconds', + 'output': datetime.timedelta( + days=(-2 * 365) + (-11 * 30) - 10, + seconds=(-2 * 3600), + milliseconds=-800 + ), + }, + { + 'query': 'SELECT justify_hours($1::interval)::text', + 'input': datetime.timedelta( + days=(-2 * 365) + (-11 * 30) - 10, + seconds=(-2 * 3600), + milliseconds=-800 + ), + 'textoutput': '-1070 days -02:00:00.8', + }, + ]), + ('uuid', 'uuid', [ + uuid.UUID('38a4ff5a-3a56-11e6-a6c2-c8f73323c6d4'), + uuid.UUID('00000000-0000-0000-0000-000000000000'), + {'input': '00000000-0000-0000-0000-000000000000', + 'output': uuid.UUID('00000000-0000-0000-0000-000000000000')} + ]), + ('uuid[]', 'uuid[]', [ + [uuid.UUID('38a4ff5a-3a56-11e6-a6c2-c8f73323c6d4'), + uuid.UUID('00000000-0000-0000-0000-000000000000')], + [] + ]), + ('json', 'json', [ + '[1, 2, 3, 4]', + '{"a": [1, 2], "b": 0}' + ]), + ('jsonb', 'jsonb', [ + '[1, 2, 3, 4]', + '{"a": [1, 2], "b": 0}' + ], (9, 4)), + ('oid[]', 'oid[]', [ + [1, 2, 3, 4], + [] + ]), + ('smallint[]', 'int2[]', [ + [1, 2, 3, 4], + [1, 2, 3, 4, 5, 6, 7, 8, 9, 0], + [] + ]), + ('bigint[]', 'int8[]', [ + [2 ** 42, -2 ** 54, 0], + [] + ]), + ('int[]', 'int4[]', [ + [2 ** 22, -2 ** 24, 0], + [] + ]), + ('time[]', 'time[]', [ + [datetime.time(12, 15, 20), datetime.time(0, 1, 1)], + [] + ]), + ('text[]', 'text[]', [ + ['ABCDE', 'EDCBA'], + [], + ['A' * 1024 * 1024] * 10 + ]), + ('float8', 'float8', [ + 1.1, + -1.1, + 0, + 2, + 1e-4, + -1e-20, + 122.2e-100, + 2e5, + math.pi, + math.e, + math.inf, + -math.inf, + math.nan, + {'textinput': 'infinity', 'output': math.inf}, + {'textinput': '-infinity', 'output': -math.inf}, + {'textinput': 'NaN', 'output': math.nan}, + ]), + ('float4', 'float4', [ + 1.1, + -1.1, + 0, + 2, + 1e-4, + -1e-20, + 2e5, + math.pi, + math.e, + math.inf, + -math.inf, + math.nan, + {'textinput': 'infinity', 'output': math.inf}, + {'textinput': '-infinity', 'output': -math.inf}, + {'textinput': 'NaN', 'output': math.nan}, + ]), + ('cidr', 'cidr', [ + ipaddress.IPv4Network('255.255.255.255/32'), + ipaddress.IPv4Network('127.0.0.0/8'), + ipaddress.IPv4Network('127.1.0.0/16'), + ipaddress.IPv4Network('127.1.0.0/18'), + ipaddress.IPv4Network('10.0.0.0/32'), + ipaddress.IPv4Network('0.0.0.0/0'), + ipaddress.IPv6Network('ffff' + ':ffff' * 7 + '/128'), + ipaddress.IPv6Network('::1/128'), + ipaddress.IPv6Network('::/0'), + ]), + ('inet', 'inet', [ + ipaddress.IPv4Address('255.255.255.255'), + ipaddress.IPv4Address('127.0.0.1'), + ipaddress.IPv4Address('0.0.0.0'), + ipaddress.IPv6Address('ffff' + ':ffff' * 7), + ipaddress.IPv6Address('::1'), + ipaddress.IPv6Address('::'), + ipaddress.IPv4Interface('10.0.0.1/30'), + ipaddress.IPv4Interface('0.0.0.0/0'), + ipaddress.IPv4Interface('255.255.255.255/31'), + dict( + input='127.0.0.0/8', + output=ipaddress.IPv4Interface('127.0.0.0/8')), + dict( + input='127.0.0.1/32', + output=ipaddress.IPv4Address('127.0.0.1')), + # Postgres appends /32 when casting to text explicitly, but + # *not* in inet_out. + dict( + input='10.11.12.13', + textoutput='10.11.12.13/32' + ), + dict( + input=ipaddress.IPv4Address('10.11.12.13'), + textoutput='10.11.12.13/32' + ), + dict( + input=ipaddress.IPv4Interface('10.11.12.13'), + textoutput='10.11.12.13/32' + ), + dict( + textinput='10.11.12.13', + output=ipaddress.IPv4Address('10.11.12.13'), + ), + dict( + textinput='10.11.12.13/0', + output=ipaddress.IPv4Interface('10.11.12.13/0'), + ), + ]), + ('macaddr', 'macaddr', [ + '00:00:00:00:00:00', + 'ff:ff:ff:ff:ff:ff' + ]), + ('txid_snapshot', 'txid_snapshot', [ + (100, 1000, (100, 200, 300, 400)) + ]), + ('varbit', 'varbit', [ + asyncpg.BitString('0000 0001'), + asyncpg.BitString('00010001'), + asyncpg.BitString(''), + asyncpg.BitString(), + asyncpg.BitString.frombytes(b'\x00', bitlength=3), + asyncpg.BitString('0000 0000 1'), + dict(input=b'\x01', output=asyncpg.BitString('0000 0001')), + dict(input=bytearray(b'\x02'), output=asyncpg.BitString('0000 0010')), + ]), + ('path', 'path', [ + asyncpg.Path(asyncpg.Point(0.0, 0.0), asyncpg.Point(1.0, 1.0)), + asyncpg.Path(asyncpg.Point(0.0, 0.0), asyncpg.Point(1.0, 1.0), + is_closed=True), + dict(input=((0.0, 0.0), (1.0, 1.0)), + output=asyncpg.Path(asyncpg.Point(0.0, 0.0), + asyncpg.Point(1.0, 1.0), + is_closed=True)), + dict(input=[(0.0, 0.0), (1.0, 1.0)], + output=asyncpg.Path(asyncpg.Point(0.0, 0.0), + asyncpg.Point(1.0, 1.0), + is_closed=False)), + ]), + ('point', 'point', [ + asyncpg.Point(0.0, 0.0), + asyncpg.Point(1.0, 2.0), + ]), + ('box', 'box', [ + asyncpg.Box((1.0, 2.0), (0.0, 0.0)), + ]), + ('line', 'line', [ + asyncpg.Line(1, 2, 3), + ], (9, 4)), + ('lseg', 'lseg', [ + asyncpg.LineSegment((1, 2), (2, 2)), + ]), + ('polygon', 'polygon', [ + asyncpg.Polygon(asyncpg.Point(0.0, 0.0), asyncpg.Point(1.0, 0.0), + asyncpg.Point(1.0, 1.0), asyncpg.Point(0.0, 1.0)), + ]), + ('circle', 'circle', [ + asyncpg.Circle((0.0, 0.0), 100), + ]), + ('tid', 'tid', [ + (100, 200), + (0, 0), + (2147483647, 0), + (4294967295, 0), + (0, 32767), + (0, 65535), + (4294967295, 65535), + ]), + ('oid', 'oid', [ + 0, + 10, + 4294967295 + ]) +] + + +class TestCodecs(tb.ConnectedTestCase): + + async def test_standard_codecs(self): + """Test encoding/decoding of standard data types and arrays thereof.""" + for (typname, intname, sample_data, *metadata) in type_samples: + if metadata and self.server_version < metadata[0]: + continue + + st = await self.con.prepare( + "SELECT $1::" + typname + ) + + text_in = await self.con.prepare( + "SELECT $1::text::" + typname + ) + + text_out = await self.con.prepare( + "SELECT $1::" + typname + "::text" + ) + + for sample in sample_data: + with self.subTest(sample=sample, typname=typname): + stmt = st + if isinstance(sample, dict): + if 'textinput' in sample: + inputval = sample['textinput'] + stmt = text_in + else: + inputval = sample['input'] + + if 'textoutput' in sample: + outputval = sample['textoutput'] + if stmt is text_in: + raise ValueError( + 'cannot test "textin" and' + ' "textout" simultaneously') + stmt = text_out + else: + outputval = sample['output'] + + if sample.get('query'): + stmt = await self.con.prepare(sample['query']) + else: + inputval = outputval = sample + + result = await stmt.fetchval(inputval) + err_msg = ( + "unexpected result for {} when passing {!r}: " + "received {!r}, expected {!r}".format( + typname, inputval, result, outputval)) + + if typname.startswith('float'): + if math.isnan(outputval): + if not math.isnan(result): + self.fail(err_msg) + else: + self.assertTrue( + math.isclose(result, outputval, rel_tol=1e-6), + err_msg) + else: + self.assertEqual(result, outputval, err_msg) + + if (typname == 'numeric' and + isinstance(inputval, decimal.Decimal)): + self.assertEqual( + result.as_tuple(), + outputval.as_tuple(), + err_msg, + ) + + with self.subTest(sample=None, typname=typname): + # Test that None is handled for all types. + rsample = await st.fetchval(None) + self.assertIsNone(rsample) + + at = st.get_attributes() + self.assertEqual(at[0].type.name, intname) + + async def test_all_builtin_types_handled(self): + from asyncpg.protocol.protocol import BUILTIN_TYPE_OID_MAP + + for oid, typename in BUILTIN_TYPE_OID_MAP.items(): + codec = self.con.get_settings().get_data_codec(oid) + self.assertIsNotNone( + codec, + 'core type {} ({}) is unhandled'.format(typename, oid)) + + async def test_void(self): + res = await self.con.fetchval('select pg_sleep(0)') + self.assertIsNone(res) + await self.con.fetchval('select now($1::void)', '') + + def test_bitstring(self): + bitlen = random.randint(0, 1000) + bs = ''.join(random.choice(('1', '0', ' ')) for _ in range(bitlen)) + bits = asyncpg.BitString(bs) + sanitized_bs = bs.replace(' ', '') + self.assertEqual(sanitized_bs, + bits.as_string().replace(' ', '')) + + expected_bytelen = \ + len(sanitized_bs) // 8 + (1 if len(sanitized_bs) % 8 else 0) + + self.assertEqual(len(bits.bytes), expected_bytelen) + + little, big = bits.to_int('little'), bits.to_int('big') + self.assertEqual(bits.from_int(little, len(bits), 'little'), bits) + self.assertEqual(bits.from_int(big, len(bits), 'big'), bits) + + naive_little = 0 + for i, c in enumerate(sanitized_bs): + naive_little |= int(c) << i + naive_big = 0 + for c in sanitized_bs: + naive_big = (naive_big << 1) | int(c) + + self.assertEqual(little, naive_little) + self.assertEqual(big, naive_big) + + async def test_interval(self): + res = await self.con.fetchval("SELECT '5 years'::interval") + self.assertEqual(res, datetime.timedelta(days=1825)) + + res = await self.con.fetchval("SELECT '5 years 1 month'::interval") + self.assertEqual(res, datetime.timedelta(days=1855)) + + res = await self.con.fetchval("SELECT '-5 years'::interval") + self.assertEqual(res, datetime.timedelta(days=-1825)) + + res = await self.con.fetchval("SELECT '-5 years -1 month'::interval") + self.assertEqual(res, datetime.timedelta(days=-1855)) + + async def test_numeric(self): + # Test that we handle dscale correctly. + cases = [ + '0.001', + '0.001000', + '1', + '1.00000' + ] + + for case in cases: + res = await self.con.fetchval( + "SELECT $1::numeric", case) + + self.assertEqual(str(res), case) + + try: + await self.con.execute( + ''' + CREATE TABLE tab (v numeric(3, 2)); + INSERT INTO tab VALUES (0), (1); + ''') + res = await self.con.fetchval("SELECT v FROM tab WHERE v = $1", 0) + self.assertEqual(str(res), '0.00') + res = await self.con.fetchval("SELECT v FROM tab WHERE v = $1", 1) + self.assertEqual(str(res), '1.00') + finally: + await self.con.execute('DROP TABLE tab') + + res = await self.con.fetchval( + "SELECT $1::numeric", decimal.Decimal('NaN')) + self.assertTrue(res.is_nan()) + + res = await self.con.fetchval( + "SELECT $1::numeric", decimal.Decimal('sNaN')) + self.assertTrue(res.is_nan()) + + with self.assertRaisesRegex(asyncpg.DataError, + 'numeric type does not ' + 'support infinite values'): + await self.con.fetchval( + "SELECT $1::numeric", decimal.Decimal('-Inf')) + + with self.assertRaisesRegex(asyncpg.DataError, + 'numeric type does not ' + 'support infinite values'): + await self.con.fetchval( + "SELECT $1::numeric", decimal.Decimal('+Inf')) + + with self.assertRaisesRegex(asyncpg.DataError, 'invalid'): + await self.con.fetchval( + "SELECT $1::numeric", 'invalid') + + async def test_unhandled_type_fallback(self): + await self.con.execute(''' + CREATE EXTENSION IF NOT EXISTS isn + ''') + + try: + input_val = '1436-4522' + + res = await self.con.fetchrow(''' + SELECT $1::issn AS issn, 42 AS int + ''', input_val) + + self.assertEqual(res['issn'], input_val) + self.assertEqual(res['int'], 42) + + finally: + await self.con.execute(''' + DROP EXTENSION isn + ''') + + async def test_invalid_input(self): + cases = [ + ('bytea', 'a bytes-like object is required', [ + 1, + 'aaa' + ]), + ('bool', 'a boolean is required', [ + 1, + ]), + ('int2', 'an integer is required', [ + '2', + 'aa', + ]), + ('smallint', 'value out of int16 range', [ + 2**256, # check for the same exception for any big numbers + decimal.Decimal("2000000000000000000000000000000"), + 0xffff, + 0xffffffff, + 32768, + -32769 + ]), + ('float4', 'value out of float32 range', [ + 4.1 * 10 ** 40, + -4.1 * 10 ** 40, + ]), + ('int4', 'an integer is required', [ + '2', + 'aa', + ]), + ('int', 'value out of int32 range', [ + 2**256, # check for the same exception for any big numbers + decimal.Decimal("2000000000000000000000000000000"), + 0xffffffff, + 2**31, + -2**31 - 1, + ]), + ('int8', 'an integer is required', [ + '2', + 'aa', + ]), + ('bigint', 'value out of int64 range', [ + 2**256, # check for the same exception for any big numbers + decimal.Decimal("2000000000000000000000000000000"), + 0xffffffffffffffff, + 2**63, + -2**63 - 1, + ]), + ('text', 'expected str, got bytes', [ + b'foo' + ]), + ('text', 'expected str, got list', [ + [1] + ]), + ('tid', 'list or tuple expected', [ + b'foo' + ]), + ('tid', 'invalid number of elements in tid tuple', [ + [], + (), + [1, 2, 3], + (4,), + ]), + ('tid', 'tuple id block value out of uint32 range', [ + (-1, 0), + (2**256, 0), + (0xffffffff + 1, 0), + (2**32, 0), + ]), + ('tid', 'tuple id offset value out of uint16 range', [ + (0, -1), + (0, 2**256), + (0, 0xffff + 1), + (0, 0xffffffff), + (0, 65536), + ]), + ('oid', 'value out of uint32 range', [ + 2 ** 32, + -1, + ]), + ('timestamp', r"expected a datetime\.date.*got 'str'", [ + 'foo' + ]), + ('timestamptz', r"expected a datetime\.date.*got 'str'", [ + 'foo' + ]), + ] + + for typname, errmsg, data in cases: + stmt = await self.con.prepare("SELECT $1::" + typname) + + for sample in data: + with self.subTest(sample=sample, typname=typname): + full_errmsg = ( + r'invalid input for query argument \$1:.*' + errmsg) + + with self.assertRaisesRegex( + asyncpg.DataError, full_errmsg): + await stmt.fetchval(sample) + + async def test_arrays(self): + """Test encoding/decoding of arrays (particularly multidimensional).""" + cases = [ + ( + r"SELECT '[1:3][-1:0]={{1,2},{4,5},{6,7}}'::int[]", + [[1, 2], [4, 5], [6, 7]] + ), + ( + r"SELECT '{{{{{{1}}}}}}'::int[]", + [[[[[[1]]]]]] + ), + ( + r"SELECT '{1, 2, NULL}'::int[]::anyarray", + [1, 2, None] + ), + ( + r"SELECT '{}'::int[]", + [] + ), + ] + + for sql, expected in cases: + with self.subTest(sql=sql): + res = await self.con.fetchval(sql) + self.assertEqual(res, expected) + + with self.assertRaises(asyncpg.ProgramLimitExceededError): + await self.con.fetchval("SELECT '{{{{{{{1}}}}}}}'::int[]") + + cases = [ + [None], + [1, 2, 3, 4, 5, 6], + [[1, 2], [4, 5], [6, 7]], + [[[1], [2]], [[4], [5]], [[None], [7]]], + [[[[[[1]]]]]], + [[[[[[None]]]]]] + ] + + st = await self.con.prepare( + "SELECT $1::int[]" + ) + + for case in cases: + with self.subTest(case=case): + result = await st.fetchval(case) + err_msg = ( + "failed to return array data as-is; " + "gave {!r}, received {!r}".format( + case, result)) + + self.assertEqual(result, case, err_msg) + + # A sized iterable is fine as array input. + class Iterable: + def __iter__(self): + return iter([1, 2, 3]) + + def __len__(self): + return 3 + + result = await self.con.fetchval("SELECT $1::int[]", Iterable()) + self.assertEqual(result, [1, 2, 3]) + + # A pure container is _not_ OK for array input. + class SomeContainer: + def __contains__(self, item): + return False + + with self.assertRaisesRegex(asyncpg.DataError, + 'sized iterable container expected'): + result = await self.con.fetchval("SELECT $1::int[]", + SomeContainer()) + + with self.assertRaisesRegex(asyncpg.DataError, 'dimensions'): + await self.con.fetchval( + "SELECT $1::int[]", + [[[[[[[1]]]]]]]) + + with self.assertRaisesRegex(asyncpg.DataError, 'non-homogeneous'): + await self.con.fetchval( + "SELECT $1::int[]", + [1, [1]]) + + with self.assertRaisesRegex(asyncpg.DataError, 'non-homogeneous'): + await self.con.fetchval( + "SELECT $1::int[]", + [[1], 1, [2]]) + + with self.assertRaisesRegex(asyncpg.DataError, + 'invalid array element'): + await self.con.fetchval( + "SELECT $1::int[]", + [1, 't', 2]) + + with self.assertRaisesRegex(asyncpg.DataError, + 'invalid array element'): + await self.con.fetchval( + "SELECT $1::int[]", + [[1], ['t'], [2]]) + + with self.assertRaisesRegex(asyncpg.DataError, + 'sized iterable container expected'): + await self.con.fetchval( + "SELECT $1::int[]", + 1) + + async def test_composites(self): + """Test encoding/decoding of composite types.""" + await self.con.execute(''' + CREATE TYPE test_composite AS ( + a int, + b text, + c int[] + ) + ''') + + st = await self.con.prepare(''' + SELECT ROW(NULL, 1234, '5678', ROW(42, '42')) + ''') + + res = await st.fetchval() + + self.assertEqual(res, (None, 1234, '5678', (42, '42'))) + + try: + st = await self.con.prepare(''' + SELECT ROW( + NULL, + '5678', + ARRAY[9, NULL, 11]::int[] + )::test_composite AS test + ''') + + res = await st.fetch() + res = res[0]['test'] + + self.assertIsNone(res['a']) + self.assertEqual(res['b'], '5678') + self.assertEqual(res['c'], [9, None, 11]) + + self.assertIsNone(res[0]) + self.assertEqual(res[1], '5678') + self.assertEqual(res[2], [9, None, 11]) + + at = st.get_attributes() + self.assertEqual(len(at), 1) + self.assertEqual(at[0].name, 'test') + self.assertEqual(at[0].type.name, 'test_composite') + self.assertEqual(at[0].type.kind, 'composite') + + res = await self.con.fetchval(''' + SELECT $1::test_composite + ''', res) + + # composite input as a mapping + res = await self.con.fetchval(''' + SELECT $1::test_composite + ''', {'b': 'foo', 'a': 1, 'c': [1, 2, 3]}) + + self.assertEqual(res, (1, 'foo', [1, 2, 3])) + + # Test None padding + res = await self.con.fetchval(''' + SELECT $1::test_composite + ''', {'a': 1}) + + self.assertEqual(res, (1, None, None)) + + with self.assertRaisesRegex( + asyncpg.DataError, + "'bad' is not a valid element"): + await self.con.fetchval( + "SELECT $1::test_composite", + {'bad': 'foo'}) + + finally: + await self.con.execute('DROP TYPE test_composite') + + async def test_domains(self): + """Test encoding/decoding of composite types.""" + await self.con.execute(''' + CREATE DOMAIN my_dom AS int + ''') + + await self.con.execute(''' + CREATE DOMAIN my_dom2 AS my_dom + ''') + + try: + st = await self.con.prepare(''' + SELECT 3::my_dom2 + ''') + res = await st.fetchval() + + self.assertEqual(res, 3) + + st = await self.con.prepare(''' + SELECT NULL::my_dom2 + ''') + res = await st.fetchval() + + self.assertIsNone(res) + + at = st.get_attributes() + self.assertEqual(len(at), 1) + self.assertEqual(at[0].name, 'my_dom2') + self.assertEqual(at[0].type.name, 'int4') + self.assertEqual(at[0].type.kind, 'scalar') + + finally: + await self.con.execute('DROP DOMAIN my_dom2') + await self.con.execute('DROP DOMAIN my_dom') + + async def test_range_types(self): + """Test encoding/decoding of range types.""" + + cases = [ + ('int4range', [ + [(1, 9), asyncpg.Range(1, 10)], + [asyncpg.Range(0, 9, lower_inc=False, upper_inc=True), + asyncpg.Range(1, 10)], + [(), asyncpg.Range(empty=True)], + [asyncpg.Range(empty=True), asyncpg.Range(empty=True)], + [(None, 2), asyncpg.Range(None, 3)], + [asyncpg.Range(None, 2, upper_inc=True), + asyncpg.Range(None, 3)], + [(2,), asyncpg.Range(2, None)], + [(2, None), asyncpg.Range(2, None)], + [asyncpg.Range(2, None), asyncpg.Range(2, None)], + [(None, None), asyncpg.Range(None, None)], + [asyncpg.Range(None, None), asyncpg.Range(None, None)] + ]) + ] + + for (typname, sample_data) in cases: + st = await self.con.prepare( + "SELECT $1::" + typname + ) + + for sample, expected in sample_data: + with self.subTest(sample=sample, typname=typname): + result = await st.fetchval(sample) + self.assertEqual(result, expected) + + with self.assertRaisesRegex( + asyncpg.DataError, 'list, tuple or Range object expected'): + await self.con.fetch("SELECT $1::int4range", 'aa') + + with self.assertRaisesRegex( + asyncpg.DataError, 'expected 0, 1 or 2 elements'): + await self.con.fetch("SELECT $1::int4range", (0, 2, 3)) + + cases = [(asyncpg.Range(0, 1), asyncpg.Range(0, 1), 1), + (asyncpg.Range(0, 1), asyncpg.Range(0, 2), 2), + (asyncpg.Range(empty=True), asyncpg.Range(0, 2), 2), + (asyncpg.Range(empty=True), asyncpg.Range(empty=True), 1), + (asyncpg.Range(0, 1, upper_inc=True), asyncpg.Range(0, 1), 2), + ] + for obj_a, obj_b, count in cases: + dic = {obj_a: 1, obj_b: 2} + self.assertEqual(len(dic), count) + + async def test_extra_codec_alias(self): + """Test encoding/decoding of a builtin non-pg_catalog codec.""" + await self.con.execute(''' + CREATE DOMAIN my_dec_t AS decimal; + CREATE EXTENSION IF NOT EXISTS hstore; + CREATE TYPE rec_t AS ( i my_dec_t, h hstore ); + ''') + + try: + await self.con.set_builtin_type_codec( + 'hstore', codec_name='pg_contrib.hstore') + + cases = [ + {'ham': 'spam', 'nada': None}, + {} + ] + + st = await self.con.prepare(''' + SELECT $1::hstore AS result + ''') + + for case in cases: + res = await st.fetchval(case) + self.assertEqual(res, case) + + res = await self.con.fetchval(''' + SELECT $1::hstore AS result + ''', (('foo', '2'), ('bar', '3'))) + + self.assertEqual(res, {'foo': '2', 'bar': '3'}) + + with self.assertRaisesRegex(asyncpg.DataError, + 'null value not allowed'): + await self.con.fetchval(''' + SELECT $1::hstore AS result + ''', {None: '1'}) + + await self.con.set_builtin_type_codec( + 'my_dec_t', codec_name='decimal') + + res = await self.con.fetchval(''' + SELECT $1::my_dec_t AS result + ''', 44) + + self.assertEqual(res, 44) + + # Both my_dec_t and hstore are decoded in binary + res = await self.con.fetchval(''' + SELECT ($1::my_dec_t, 'a=>1'::hstore)::rec_t AS result + ''', 44) + + self.assertEqual(res, (44, {'a': '1'})) + + # Now, declare only the text format for my_dec_t + await self.con.reset_type_codec('my_dec_t') + await self.con.set_builtin_type_codec( + 'my_dec_t', codec_name='decimal', format='text') + + # This should fail, as there is no binary codec for + # my_dec_t and text decoding of composites is not + # implemented. + with self.assertRaises(NotImplementedError): + res = await self.con.fetchval(''' + SELECT ($1::my_dec_t, 'a=>1'::hstore)::rec_t AS result + ''', 44) + + finally: + await self.con.execute(''' + DROP TYPE rec_t; + DROP EXTENSION hstore; + DROP DOMAIN my_dec_t; + ''') + + async def test_custom_codec_text(self): + """Test encoding/decoding using a custom codec in text mode.""" + await self.con.execute(''' + CREATE EXTENSION IF NOT EXISTS hstore + ''') + + def hstore_decoder(data): + result = {} + items = data.split(',') + for item in items: + k, _, v = item.partition('=>') + result[k.strip('"')] = v.strip('"') + + return result + + def hstore_encoder(obj): + return ','.join('{}=>{}'.format(k, v) for k, v in obj.items()) + + try: + await self.con.set_type_codec('hstore', encoder=hstore_encoder, + decoder=hstore_decoder) + + st = await self.con.prepare(''' + SELECT $1::hstore AS result + ''') + + res = await st.fetchrow({'ham': 'spam'}) + res = res['result'] + + self.assertEqual(res, {'ham': 'spam'}) + + pt = st.get_parameters() + self.assertTrue(isinstance(pt, tuple)) + self.assertEqual(len(pt), 1) + self.assertEqual(pt[0].name, 'hstore') + self.assertEqual(pt[0].kind, 'scalar') + self.assertEqual(pt[0].schema, 'public') + + at = st.get_attributes() + self.assertTrue(isinstance(at, tuple)) + self.assertEqual(len(at), 1) + self.assertEqual(at[0].name, 'result') + self.assertEqual(at[0].type, pt[0]) + + err = 'cannot use custom codec on non-scalar type public._hstore' + with self.assertRaisesRegex(ValueError, err): + await self.con.set_type_codec('_hstore', + encoder=hstore_encoder, + decoder=hstore_decoder) + + await self.con.execute(''' + CREATE TYPE mytype AS (a int); + ''') + + try: + err = 'cannot use custom codec on non-scalar type ' + \ + 'public.mytype' + with self.assertRaisesRegex(ValueError, err): + await self.con.set_type_codec( + 'mytype', encoder=hstore_encoder, + decoder=hstore_decoder) + finally: + await self.con.execute(''' + DROP TYPE mytype; + ''') + + finally: + await self.con.execute(''' + DROP EXTENSION hstore + ''') + + async def test_custom_codec_binary(self): + """Test encoding/decoding using a custom codec in binary mode.""" + await self.con.execute(''' + CREATE EXTENSION IF NOT EXISTS hstore + ''') + + longstruct = struct.Struct('!L') + ulong_unpack = lambda b: longstruct.unpack_from(b)[0] + ulong_pack = longstruct.pack + + def hstore_decoder(data): + result = {} + n = ulong_unpack(data) + view = memoryview(data) + ptr = 4 + + for i in range(n): + klen = ulong_unpack(view[ptr:ptr + 4]) + ptr += 4 + k = bytes(view[ptr:ptr + klen]).decode() + ptr += klen + vlen = ulong_unpack(view[ptr:ptr + 4]) + ptr += 4 + if vlen == -1: + v = None + else: + v = bytes(view[ptr:ptr + vlen]).decode() + ptr += vlen + + result[k] = v + + return result + + def hstore_encoder(obj): + buffer = bytearray(ulong_pack(len(obj))) + + for k, v in obj.items(): + kenc = k.encode() + buffer += ulong_pack(len(kenc)) + kenc + + if v is None: + buffer += b'\xFF\xFF\xFF\xFF' # -1 + else: + venc = v.encode() + buffer += ulong_pack(len(venc)) + venc + + return buffer + + try: + await self.con.set_type_codec('hstore', encoder=hstore_encoder, + decoder=hstore_decoder, + format='binary') + + st = await self.con.prepare(''' + SELECT $1::hstore AS result + ''') + + res = await st.fetchrow({'ham': 'spam'}) + res = res['result'] + + self.assertEqual(res, {'ham': 'spam'}) + + pt = st.get_parameters() + self.assertTrue(isinstance(pt, tuple)) + self.assertEqual(len(pt), 1) + self.assertEqual(pt[0].name, 'hstore') + self.assertEqual(pt[0].kind, 'scalar') + self.assertEqual(pt[0].schema, 'public') + + at = st.get_attributes() + self.assertTrue(isinstance(at, tuple)) + self.assertEqual(len(at), 1) + self.assertEqual(at[0].name, 'result') + self.assertEqual(at[0].type, pt[0]) + + finally: + await self.con.execute(''' + DROP EXTENSION hstore + ''') + + async def test_custom_codec_on_domain(self): + """Test encoding/decoding using a custom codec on a domain.""" + await self.con.execute(''' + CREATE DOMAIN custom_codec_t AS int + ''') + + try: + await self.con.set_type_codec( + 'custom_codec_t', + encoder=lambda v: str(v), + decoder=lambda v: int(v)) + + v = await self.con.fetchval('SELECT $1::custom_codec_t', 10) + self.assertEqual(v, 10) + finally: + await self.con.execute('DROP DOMAIN custom_codec_t') + + async def test_custom_codec_on_enum(self): + """Test encoding/decoding using a custom codec on an enum.""" + await self.con.execute(''' + CREATE TYPE custom_codec_t AS ENUM ('foo', 'bar', 'baz') + ''') + + try: + await self.con.set_type_codec( + 'custom_codec_t', + encoder=lambda v: str(v).lstrip('enum :'), + decoder=lambda v: 'enum: ' + str(v)) + + v = await self.con.fetchval('SELECT $1::custom_codec_t', 'foo') + self.assertEqual(v, 'enum: foo') + finally: + await self.con.execute('DROP TYPE custom_codec_t') + + async def test_custom_codec_override_binary(self): + """Test overriding core codecs.""" + import json + + conn = await self.connect() + try: + def _encoder(value): + return json.dumps(value).encode('utf-8') + + def _decoder(value): + return json.loads(value.decode('utf-8')) + + await conn.set_type_codec( + 'json', encoder=_encoder, decoder=_decoder, + schema='pg_catalog', format='binary' + ) + + data = {'foo': 'bar', 'spam': 1} + res = await conn.fetchval('SELECT $1::json', data) + self.assertEqual(data, res) + + finally: + await conn.close() + + async def test_custom_codec_override_text(self): + """Test overriding core codecs.""" + import json + + conn = await self.connect() + try: + def _encoder(value): + return json.dumps(value) + + def _decoder(value): + return json.loads(value) + + await conn.set_type_codec( + 'json', encoder=_encoder, decoder=_decoder, + schema='pg_catalog', format='text' + ) + + data = {'foo': 'bar', 'spam': 1} + res = await conn.fetchval('SELECT $1::json', data) + self.assertEqual(data, res) + + def _encoder(value): + return value + + def _decoder(value): + return value + + await conn.set_type_codec( + 'uuid', encoder=_encoder, decoder=_decoder, + schema='pg_catalog', format='text' + ) + + data = '14058ad9-0118-4b7e-ac15-01bc13e2ccd1' + res = await conn.fetchval('SELECT $1::uuid', data) + self.assertEqual(res, data) + finally: + await conn.close() + + async def test_custom_codec_override_tuple(self): + """Test overriding core codecs.""" + cases = [ + ('date', (3,), '2000-01-04'), + ('date', (2**31 - 1,), 'infinity'), + ('date', (-2**31,), '-infinity'), + ('time', (60 * 10**6,), '00:01:00'), + ('timetz', (60 * 10**6, 12600), '00:01:00-03:30'), + ('timestamp', (60 * 10**6,), '2000-01-01 00:01:00'), + ('timestamp', (2**63 - 1,), 'infinity'), + ('timestamp', (-2**63,), '-infinity'), + ('timestamptz', (60 * 10**6,), '1999-12-31 19:01:00', + "tab.v AT TIME ZONE 'EST'"), + ('timestamptz', (2**63 - 1,), 'infinity'), + ('timestamptz', (-2**63,), '-infinity'), + ('interval', (2, 3, 1), '2 mons 3 days 00:00:00.000001') + ] + + conn = await self.connect() + + def _encoder(value): + return tuple(value) + + def _decoder(value): + return tuple(value) + + try: + for (typename, data, expected_result, *extra) in cases: + with self.subTest(type=typename): + await self.con.execute( + 'CREATE TABLE tab (v {})'.format(typename)) + + try: + await conn.set_type_codec( + typename, encoder=_encoder, decoder=_decoder, + schema='pg_catalog', format='tuple' + ) + + await conn.execute( + 'INSERT INTO tab VALUES ($1)', data) + + res = await conn.fetchval('SELECT tab.v FROM tab') + self.assertEqual(res, data) + + await conn.reset_type_codec( + typename, schema='pg_catalog') + + if extra: + val = extra[0] + else: + val = 'tab.v' + + res = await conn.fetchval( + 'SELECT ({val})::text FROM tab'.format(val=val)) + self.assertEqual(res, expected_result) + finally: + await self.con.execute('DROP TABLE tab') + finally: + await conn.close() + + async def test_timetz_encoding(self): + try: + async with self.con.transaction(): + await self.con.execute("SET TIME ZONE 'America/Toronto'") + # Check decoding: + row = await self.con.fetchrow( + 'SELECT extract(epoch from now()) AS epoch, ' + 'now()::date as date, now()::timetz as time') + result = datetime.datetime.combine(row['date'], row['time']) + expected = datetime.datetime.fromtimestamp(row['epoch'], + tz=result.tzinfo) + self.assertEqual(result, expected) + + # Check encoding: + res = await self.con.fetchval( + 'SELECT now() = ($1::date + $2::timetz)', + row['date'], row['time']) + self.assertTrue(res) + finally: + await self.con.execute('RESET ALL') + + async def test_composites_in_arrays(self): + await self.con.execute(''' + CREATE TYPE t AS (a text, b int); + CREATE TABLE tab (d t[]); + ''') + + try: + await self.con.execute( + 'INSERT INTO tab (d) VALUES ($1)', + [('a', 1)]) + + r = await self.con.fetchval(''' + SELECT d FROM tab + ''') + + self.assertEqual(r, [('a', 1)]) + finally: + await self.con.execute(''' + DROP TABLE tab; + DROP TYPE t; + ''') + + async def test_table_as_composite(self): + await self.con.execute(''' + CREATE TABLE tab (a text, b int); + INSERT INTO tab VALUES ('1', 1); + ''') + + try: + r = await self.con.fetchrow(''' + SELECT tab FROM tab + ''') + + self.assertEqual(r, (('1', 1),)) + + finally: + await self.con.execute(''' + DROP TABLE tab; + ''') + + async def test_relacl_array_type(self): + await self.con.execute(r''' + CREATE USER """u1'"; + CREATE USER "{u2"; + CREATE USER ",u3"; + CREATE USER "u4}"; + CREATE USER "u5"""; + CREATE USER "u6\"""; + CREATE USER "u7\"; + CREATE USER norm1; + CREATE USER norm2; + CREATE TABLE t0 (); GRANT SELECT ON t0 TO norm1; + CREATE TABLE t1 (); GRANT SELECT ON t1 TO """u1'"; + CREATE TABLE t2 (); GRANT SELECT ON t2 TO "{u2"; + CREATE TABLE t3 (); GRANT SELECT ON t3 TO ",u3"; + CREATE TABLE t4 (); GRANT SELECT ON t4 TO "u4}"; + CREATE TABLE t5 (); GRANT SELECT ON t5 TO "u5"""; + CREATE TABLE t6 (); GRANT SELECT ON t6 TO "u6\"""; + CREATE TABLE t7 (); GRANT SELECT ON t7 TO "u7\"; + + CREATE TABLE a1 (); + GRANT SELECT ON a1 TO """u1'"; + GRANT SELECT ON a1 TO "{u2"; + GRANT SELECT ON a1 TO ",u3"; + GRANT SELECT ON a1 TO "norm1"; + GRANT SELECT ON a1 TO "u4}"; + GRANT SELECT ON a1 TO "u5"""; + GRANT SELECT ON a1 TO "u6\"""; + GRANT SELECT ON a1 TO "u7\"; + GRANT SELECT ON a1 TO "norm2"; + + CREATE TABLE a2 (); + GRANT SELECT ON a2 TO """u1'" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "{u2" WITH GRANT OPTION; + GRANT SELECT ON a2 TO ",u3" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "norm1" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "u4}" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "u5""" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "u6\""" WITH GRANT OPTION; + GRANT SELECT ON a2 TO "u7\" WITH GRANT OPTION; + + SET SESSION AUTHORIZATION """u1'"; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION "{u2"; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION ",u3"; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION "u4}"; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION "u5"""; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION "u6\"""; GRANT SELECT ON a2 TO "norm2"; + SET SESSION AUTHORIZATION "u7\"; GRANT SELECT ON a2 TO "norm2"; + RESET SESSION AUTHORIZATION; + ''') + + try: + rows = await self.con.fetch(''' + SELECT + relacl, + relacl::text[] AS chk, + relacl::text[]::text AS text_ + FROM + pg_catalog.pg_class + WHERE + relacl IS NOT NULL + ''') + + for row in rows: + self.assertEqual(row['relacl'], row['chk'],) + + finally: + await self.con.execute(r''' + DROP TABLE t0; + DROP TABLE t1; + DROP TABLE t2; + DROP TABLE t3; + DROP TABLE t4; + DROP TABLE t5; + DROP TABLE t6; + DROP TABLE t7; + DROP TABLE a1; + DROP TABLE a2; + DROP USER """u1'"; + DROP USER "{u2"; + DROP USER ",u3"; + DROP USER "u4}"; + DROP USER "u5"""; + DROP USER "u6\"""; + DROP USER "u7\"; + DROP USER norm1; + DROP USER norm2; + ''') + + async def test_enum(self): + await self.con.execute(''' + CREATE TYPE enum_t AS ENUM ('abc', 'def', 'ghi'); + CREATE TABLE tab ( + a text, + b enum_t + ); + INSERT INTO tab (a, b) VALUES ('foo', 'abc'); + INSERT INTO tab (a, b) VALUES ('bar', 'def'); + ''') + + try: + for i in range(10): + r = await self.con.fetch(''' + SELECT a, b FROM tab ORDER BY b + ''') + + self.assertEqual(r, [('foo', 'abc'), ('bar', 'def')]) + + finally: + await self.con.execute(''' + DROP TABLE tab; + DROP TYPE enum_t; + ''') + + async def test_unknown_type_text_fallback(self): + await self.con.execute(r'CREATE EXTENSION citext') + await self.con.execute(r''' + CREATE DOMAIN citext_dom AS citext + ''') + await self.con.execute(r''' + CREATE TYPE citext_range AS RANGE (SUBTYPE = citext) + ''') + await self.con.execute(r''' + CREATE TYPE citext_comp AS (t citext) + ''') + + try: + # Check that plain fallback works. + result = await self.con.fetchval(''' + SELECT $1::citext + ''', 'citext') + + self.assertEqual(result, 'citext') + + # Check that domain fallback works. + result = await self.con.fetchval(''' + SELECT $1::citext_dom + ''', 'citext') + + self.assertEqual(result, 'citext') + + # Check that array fallback works. + cases = [ + ['a', 'b'], + [None, 'b'], + [], + [' a', ' b'], + ['"a', r'\""'], + [['"a', r'\""'], [',', '",']], + ] + + for case in cases: + result = await self.con.fetchval(''' + SELECT + $1::citext[] + ''', case) + + self.assertEqual(result, case) + + # Text encoding of ranges and composite types + # is not supported yet. + with self.assertRaisesRegex( + RuntimeError, + 'text encoding of range types is not supported'): + + await self.con.fetchval(''' + SELECT + $1::citext_range + ''', ['a', 'z']) + + with self.assertRaisesRegex( + RuntimeError, + 'text encoding of composite types is not supported'): + + await self.con.fetchval(''' + SELECT + $1::citext_comp + ''', ('a',)) + + # Check that setting a custom codec clears the codec + # cache properly and that subsequent queries work + # as expected. + await self.con.set_type_codec( + 'citext', encoder=lambda d: d, decoder=lambda d: 'CI: ' + d) + + result = await self.con.fetchval(''' + SELECT + $1::citext[] + ''', ['a', 'b']) + + self.assertEqual(result, ['CI: a', 'CI: b']) + + finally: + await self.con.execute(r'DROP TYPE citext_comp') + await self.con.execute(r'DROP TYPE citext_range') + await self.con.execute(r'DROP TYPE citext_dom') + await self.con.execute(r'DROP EXTENSION citext') + + async def test_enum_in_array(self): + await self.con.execute(''' + CREATE TYPE enum_t AS ENUM ('abc', 'def', 'ghi'); + ''') + + try: + result = await self.con.fetchrow('''SELECT $1::enum_t[];''', + ['abc']) + self.assertEqual(result, (['abc'],)) + + result = await self.con.fetchrow('''SELECT ARRAY[$1::enum_t];''', + 'abc') + + self.assertEqual(result, (['abc'],)) + + finally: + await self.con.execute(''' + DROP TYPE enum_t; + ''') + + async def test_enum_and_range(self): + await self.con.execute(''' + CREATE TYPE enum_t AS ENUM ('abc', 'def', 'ghi'); + CREATE TABLE testtab ( + a int4range, + b enum_t + ); + + INSERT INTO testtab VALUES ( + '[10, 20)', 'abc' + ); + ''') + + try: + result = await self.con.fetchrow(''' + SELECT testtab.a FROM testtab WHERE testtab.b = $1 + ''', 'abc') + + self.assertEqual(result, (asyncpg.Range(10, 20),)) + finally: + await self.con.execute(''' + DROP TABLE testtab; + DROP TYPE enum_t; + ''') + + async def test_enum_in_composite(self): + await self.con.execute(''' + CREATE TYPE enum_t AS ENUM ('abc', 'def', 'ghi'); + CREATE TYPE composite_w_enum AS (a int, b enum_t); + ''') + + try: + result = await self.con.fetchval(''' + SELECT ROW(1, 'def'::enum_t)::composite_w_enum + ''') + self.assertEqual(set(result.items()), {('a', 1), ('b', 'def')}) + + finally: + await self.con.execute(''' + DROP TYPE composite_w_enum; + DROP TYPE enum_t; + ''') + + async def test_enum_function_return(self): + await self.con.execute(''' + CREATE TYPE enum_t AS ENUM ('abc', 'def', 'ghi'); + CREATE FUNCTION return_enum() RETURNS enum_t + LANGUAGE plpgsql AS $$ + BEGIN + RETURN 'abc'::enum_t; + END; + $$; + ''') + + try: + result = await self.con.fetchval('''SELECT return_enum()''') + self.assertEqual(result, 'abc') + + finally: + await self.con.execute(''' + DROP FUNCTION return_enum(); + DROP TYPE enum_t; + ''') + + async def test_no_result(self): + st = await self.con.prepare('rollback') + self.assertTupleEqual(st.get_attributes(), ()) + + +@unittest.skipIf(os.environ.get('PGHOST'), 'using remote cluster for testing') +class TestCodecsLargeOIDs(tb.ConnectedTestCase): + LARGE_OID = 2147483648 + + @classmethod + def setup_cluster(cls): + cls.cluster = cls.new_cluster(pg_cluster.TempCluster) + cls.cluster.reset_wal(oid=cls.LARGE_OID) + cls.start_cluster(cls.cluster) + + async def test_custom_codec_large_oid(self): + await self.con.execute('CREATE DOMAIN test_domain_t AS int') + try: + oid = await self.con.fetchval(''' + SELECT oid FROM pg_type WHERE typname = 'test_domain_t' + ''') + + expected_oid = self.LARGE_OID + if self.server_version >= (11, 0): + # PostgreSQL 11 automatically create a domain array type + # _before_ the domain type, so the expected OID is + # off by one. + expected_oid += 1 + + self.assertEqual(oid, expected_oid) + + # Test that introspection handles large OIDs + v = await self.con.fetchval('SELECT $1::test_domain_t', 10) + self.assertEqual(v, 10) + + # Test that custom codec logic handles large OIDs + await self.con.set_type_codec( + 'test_domain_t', + encoder=lambda v: str(v), + decoder=lambda v: int(v)) + + v = await self.con.fetchval('SELECT $1::test_domain_t', 10) + self.assertEqual(v, 10) + + finally: + await self.con.execute('DROP DOMAIN test_domain_t') diff --git a/tests/test_connect.py b/tests/test_connect.py new file mode 100644 index 0000000..116b8ad --- /dev/null +++ b/tests/test_connect.py @@ -0,0 +1,1289 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import contextlib +import gc +import ipaddress +import os +import platform +import ssl +import stat +import tempfile +import textwrap +import unittest +import weakref + +import asyncpg +from asyncpg import _testbase as tb +from asyncpg import connection +from asyncpg import connect_utils +from asyncpg import cluster as pg_cluster +from asyncpg import exceptions +from asyncpg.serverversion import split_server_version_string + +_system = platform.uname().system + + +CERTS = os.path.join(os.path.dirname(__file__), 'certs') +SSL_CA_CERT_FILE = os.path.join(CERTS, 'ca.cert.pem') +SSL_CERT_FILE = os.path.join(CERTS, 'server.cert.pem') +SSL_KEY_FILE = os.path.join(CERTS, 'server.key.pem') + + +class TestSettings(tb.ConnectedTestCase): + + async def test_get_settings_01(self): + self.assertEqual( + self.con.get_settings().client_encoding, + 'UTF8') + + async def test_server_version_01(self): + version = self.con.get_server_version() + version_num = await self.con.fetchval("SELECT current_setting($1)", + 'server_version_num', column=0) + ver_maj = int(version_num[:-4]) + ver_min = int(version_num[-4:-2]) + ver_fix = int(version_num[-2:]) + + self.assertEqual(version[:3], (ver_maj, ver_min, ver_fix)) + + def test_server_version_02(self): + versions = [ + ("9.2", (9, 2, 0, 'final', 0),), + ("Postgres-XL 9.2.1", (9, 2, 1, 'final', 0),), + ("9.4beta1", (9, 4, 0, 'beta', 1),), + ("10devel", (10, 0, 0, 'devel', 0),), + ("10beta2", (10, 0, 0, 'beta', 2),), + # For PostgreSQL versions >=10 we always + # set version.minor to 0. + ("10.1", (10, 0, 1, 'final', 0),), + ("11.1.2", (11, 0, 1, 'final', 0),), + ("PostgreSQL 10.1 (Debian 10.1-3)", (10, 0, 1, 'final', 0),), + ] + for version, expected in versions: + result = split_server_version_string(version) + self.assertEqual(expected, result) + + +class TestAuthentication(tb.ConnectedTestCase): + def setUp(self): + super().setUp() + + if not self.cluster.is_managed(): + self.skipTest('unmanaged cluster') + + methods = [ + ('trust', None), + ('reject', None), + ('scram-sha-256', 'correctpassword'), + ('md5', 'correctpassword'), + ('password', 'correctpassword'), + ] + + self.cluster.reset_hba() + + create_script = [] + for method, password in methods: + if method == 'scram-sha-256' and self.server_version.major < 10: + continue + + username = method.replace('-', '_') + + # if this is a SCRAM password, we need to set the encryption method + # to "scram-sha-256" in order to properly hash the password + if method == 'scram-sha-256': + create_script.append( + "SET password_encryption = 'scram-sha-256';" + ) + + create_script.append( + 'CREATE ROLE {}_user WITH LOGIN{};'.format( + username, + ' PASSWORD {!r}'.format(password) if password else '' + ) + ) + + # to be courteous to the MD5 test, revert back to MD5 after the + # scram-sha-256 password is set + if method == 'scram-sha-256': + create_script.append( + "SET password_encryption = 'md5';" + ) + + if _system != 'Windows': + self.cluster.add_hba_entry( + type='local', + database='postgres', user='{}_user'.format(username), + auth_method=method) + + self.cluster.add_hba_entry( + type='host', address=ipaddress.ip_network('127.0.0.0/24'), + database='postgres', user='{}_user'.format(username), + auth_method=method) + + self.cluster.add_hba_entry( + type='host', address=ipaddress.ip_network('::1/128'), + database='postgres', user='{}_user'.format(username), + auth_method=method) + + # Put hba changes into effect + self.cluster.reload() + + create_script = '\n'.join(create_script) + self.loop.run_until_complete(self.con.execute(create_script)) + + def tearDown(self): + # Reset cluster's pg_hba.conf since we've meddled with it + self.cluster.trust_local_connections() + + methods = [ + 'trust', + 'reject', + 'scram-sha-256', + 'md5', + 'password', + ] + + drop_script = [] + for method in methods: + if method == 'scram-sha-256' and self.server_version.major < 10: + continue + + username = method.replace('-', '_') + + drop_script.append('DROP ROLE {}_user;'.format(username)) + + drop_script = '\n'.join(drop_script) + self.loop.run_until_complete(self.con.execute(drop_script)) + + super().tearDown() + + async def _try_connect(self, **kwargs): + # On Windows the server sometimes just closes + # the connection sooner than we receive the + # actual error. + if _system == 'Windows': + for tried in range(3): + try: + return await self.connect(**kwargs) + except asyncpg.ConnectionDoesNotExistError: + pass + + return await self.connect(**kwargs) + + async def test_auth_bad_user(self): + with self.assertRaises( + asyncpg.InvalidAuthorizationSpecificationError): + await self._try_connect(user='__nonexistent__') + + async def test_auth_trust(self): + conn = await self.connect(user='trust_user') + await conn.close() + + async def test_auth_reject(self): + with self.assertRaisesRegex( + asyncpg.InvalidAuthorizationSpecificationError, + 'pg_hba.conf rejects connection'): + await self._try_connect(user='reject_user') + + async def test_auth_password_cleartext(self): + conn = await self.connect( + user='password_user', + password='correctpassword') + await conn.close() + + with self.assertRaisesRegex( + asyncpg.InvalidPasswordError, + 'password authentication failed for user "password_user"'): + await self._try_connect( + user='password_user', + password='wrongpassword') + + async def test_auth_password_cleartext_callable(self): + def get_correctpassword(): + return 'correctpassword' + + def get_wrongpassword(): + return 'wrongpassword' + + conn = await self.connect( + user='password_user', + password=get_correctpassword) + await conn.close() + + with self.assertRaisesRegex( + asyncpg.InvalidPasswordError, + 'password authentication failed for user "password_user"'): + await self._try_connect( + user='password_user', + password=get_wrongpassword) + + async def test_auth_password_cleartext_callable_coroutine(self): + async def get_correctpassword(): + return 'correctpassword' + + async def get_wrongpassword(): + return 'wrongpassword' + + conn = await self.connect( + user='password_user', + password=get_correctpassword) + await conn.close() + + with self.assertRaisesRegex( + asyncpg.InvalidPasswordError, + 'password authentication failed for user "password_user"'): + await self._try_connect( + user='password_user', + password=get_wrongpassword) + + async def test_auth_password_md5(self): + conn = await self.connect( + user='md5_user', password='correctpassword') + await conn.close() + + with self.assertRaisesRegex( + asyncpg.InvalidPasswordError, + 'password authentication failed for user "md5_user"'): + await self._try_connect( + user='md5_user', password='wrongpassword') + + async def test_auth_password_scram_sha_256(self): + # scram is only supported in PostgreSQL 10 and above + if self.server_version.major < 10: + return + + conn = await self.connect( + user='scram_sha_256_user', password='correctpassword') + await conn.close() + + with self.assertRaisesRegex( + asyncpg.InvalidPasswordError, + 'password authentication failed for user "scram_sha_256_user"' + ): + await self._try_connect( + user='scram_sha_256_user', password='wrongpassword') + + # various SASL prep tests + # first ensure that password are being hashed for SCRAM-SHA-256 + await self.con.execute("SET password_encryption = 'scram-sha-256';") + alter_password = "ALTER ROLE scram_sha_256_user PASSWORD E{!r};" + passwords = [ + 'nonascii\u1680space', # C.1.2 + 'common\u1806nothing', # B.1 + 'ab\ufb01c', # normalization + 'ab\u007fc', # C.2.1 + 'ab\u206ac', # C.2.2, C.6 + 'ab\ue000c', # C.3, C.5 + 'ab\ufdd0c', # C.4 + 'ab\u2ff0c', # C.7 + 'ab\u2000c', # C.8 + 'ab\ue0001', # C.9 + ] + + # ensure the passwords that go through SASLprep work + for password in passwords: + # update the password + await self.con.execute(alter_password.format(password)) + # test to see that passwords are properly SASL prepped + conn = await self.connect( + user='scram_sha_256_user', password=password) + await conn.close() + + alter_password = \ + "ALTER ROLE scram_sha_256_user PASSWORD 'correctpassword';" + await self.con.execute(alter_password) + await self.con.execute("SET password_encryption = 'md5';") + + async def test_auth_unsupported(self): + pass + + +class TestConnectParams(tb.TestCase): + + TESTS = [ + { + 'env': { + 'PGUSER': 'user', + 'PGDATABASE': 'testdb', + 'PGPASSWORD': 'passw', + 'PGHOST': 'host', + 'PGPORT': '123' + }, + 'result': ([('host', 123)], { + 'user': 'user', + 'password': 'passw', + 'database': 'testdb'}) + }, + + { + 'env': { + 'PGUSER': 'user', + 'PGDATABASE': 'testdb', + 'PGPASSWORD': 'passw', + 'PGHOST': 'host', + 'PGPORT': '123' + }, + + 'host': 'host2', + 'port': '456', + 'user': 'user2', + 'password': 'passw2', + 'database': 'db2', + + 'result': ([('host2', 456)], { + 'user': 'user2', + 'password': 'passw2', + 'database': 'db2'}) + }, + + { + 'env': { + 'PGUSER': 'user', + 'PGDATABASE': 'testdb', + 'PGPASSWORD': 'passw', + 'PGHOST': 'host', + 'PGPORT': '123', + 'PGSSLMODE': 'prefer' + }, + + 'dsn': 'postgres://user3:123123@localhost/abcdef', + + 'host': 'host2', + 'port': '456', + 'user': 'user2', + 'password': 'passw2', + 'database': 'db2', + 'ssl': False, + + 'result': ([('host2', 456)], { + 'user': 'user2', + 'password': 'passw2', + 'database': 'db2', + 'ssl': False}) + }, + + { + 'env': { + 'PGUSER': 'user', + 'PGDATABASE': 'testdb', + 'PGPASSWORD': 'passw', + 'PGHOST': 'host', + 'PGPORT': '123', + 'PGSSLMODE': 'prefer' + }, + + 'dsn': 'postgres://user3:123123@localhost:5555/abcdef', + + 'result': ([('localhost', 5555)], { + 'user': 'user3', + 'password': '123123', + 'database': 'abcdef', + 'ssl': ssl.SSLContext, + 'ssl_is_advisory': True}) + }, + + { + 'dsn': 'postgres://user3:123123@localhost:5555/abcdef', + 'result': ([('localhost', 5555)], { + 'user': 'user3', + 'password': '123123', + 'database': 'abcdef'}) + }, + + { + 'dsn': 'postgresql://user@host1,host2/db', + 'result': ([('host1', 5432), ('host2', 5432)], { + 'database': 'db', + 'user': 'user', + }) + }, + + { + 'dsn': 'postgresql://user@host1:1111,host2:2222/db', + 'result': ([('host1', 1111), ('host2', 2222)], { + 'database': 'db', + 'user': 'user', + }) + }, + + { + 'env': { + 'PGHOST': 'host1:1111,host2:2222', + 'PGUSER': 'foo', + }, + 'dsn': 'postgresql:///db', + 'result': ([('host1', 1111), ('host2', 2222)], { + 'database': 'db', + 'user': 'foo', + }) + }, + + { + 'env': { + 'PGUSER': 'foo', + }, + 'dsn': 'postgresql:///db?host=host1:1111,host2:2222', + 'result': ([('host1', 1111), ('host2', 2222)], { + 'database': 'db', + 'user': 'foo', + }) + }, + + { + 'env': { + 'PGUSER': 'foo', + }, + 'dsn': 'postgresql:///db', + 'host': ['host1', 'host2'], + 'result': ([('host1', 5432), ('host2', 5432)], { + 'database': 'db', + 'user': 'foo', + }) + }, + + { + 'dsn': 'postgresql://user3:123123@localhost:5555/' + 'abcdef?param=sss¶m=123&host=testhost&user=testuser' + '&port=2222&database=testdb&sslmode=require', + 'host': '127.0.0.1', + 'port': '888', + 'user': 'me', + 'password': 'ask', + 'database': 'db', + 'result': ([('127.0.0.1', 888)], { + 'server_settings': {'param': '123'}, + 'user': 'me', + 'password': 'ask', + 'database': 'db', + 'ssl': ssl.SSLContext, + 'ssl_is_advisory': False}) + }, + + { + 'dsn': 'postgresql://user3:123123@localhost:5555/' + 'abcdef?param=sss¶m=123&host=testhost&user=testuser' + '&port=2222&database=testdb&sslmode=disable', + 'host': '127.0.0.1', + 'port': '888', + 'user': 'me', + 'password': 'ask', + 'database': 'db', + 'server_settings': {'aa': 'bb'}, + 'ssl': True, + 'result': ([('127.0.0.1', 888)], { + 'server_settings': {'aa': 'bb', 'param': '123'}, + 'user': 'me', + 'password': 'ask', + 'database': 'db', + 'ssl': True}) + }, + + { + 'dsn': 'postgresql:///dbname?host=/unix_sock/test&user=spam', + 'result': ([os.path.join('/unix_sock/test', '.s.PGSQL.5432')], { + 'user': 'spam', + 'database': 'dbname'}) + }, + + { + 'dsn': 'postgresql://us%40r:p%40ss@h%40st1,h%40st2:543%33/d%62', + 'result': ( + [('h@st1', 5432), ('h@st2', 5433)], + { + 'user': 'us@r', + 'password': 'p@ss', + 'database': 'db', + } + ) + }, + + { + 'dsn': 'postgresql://user:p@ss@host/db', + 'result': ( + [('ss@host', 5432)], + { + 'user': 'user', + 'password': 'p', + 'database': 'db', + } + ) + }, + + { + 'dsn': 'postgresql:///d%62?user=us%40r&host=h%40st&port=543%33', + 'result': ( + [('h@st', 5433)], + { + 'user': 'us@r', + 'database': 'db', + } + ) + }, + + { + 'dsn': 'pq:///dbname?host=/unix_sock/test&user=spam', + 'error': (ValueError, 'invalid DSN') + }, + { + 'dsn': 'postgresql://host1,host2,host3/db', + 'port': [111, 222], + 'error': ( + exceptions.InterfaceError, + 'could not match 2 port numbers to 3 hosts' + ) + }, + { + 'dsn': 'postgres://user@?port=56226&host=%2Ftmp', + 'result': ( + [os.path.join('/tmp', '.s.PGSQL.56226')], + { + 'user': 'user', + 'database': 'user', + } + ) + }, + { + 'dsn': 'postgres:///db?host=/cloudsql/' + 'project:region:instance-name&user=spam', + 'result': ( + [os.path.join( + '/cloudsql/project:region:instance-name', + '.s.PGSQL.5432' + )], { + 'user': 'spam', + 'database': 'db' + } + ) + }, + { + 'dsn': 'postgres:///db?host=127.0.0.1:5432,/cloudsql/' + 'project:region:instance-name,localhost:5433&user=spam', + 'result': ( + [ + ('127.0.0.1', 5432), + os.path.join( + '/cloudsql/project:region:instance-name', + '.s.PGSQL.5432' + ), + ('localhost', 5433) + ], { + 'user': 'spam', + 'database': 'db' + } + ) + }, + ] + + @contextlib.contextmanager + def environ(self, **kwargs): + old_vals = {} + for key in kwargs: + if key in os.environ: + old_vals[key] = os.environ[key] + + for key, val in kwargs.items(): + if val is None: + if key in os.environ: + del os.environ[key] + else: + os.environ[key] = val + + try: + yield + finally: + for key in kwargs: + if key in os.environ: + del os.environ[key] + for key, val in old_vals.items(): + os.environ[key] = val + + def run_testcase(self, testcase): + env = testcase.get('env', {}) + test_env = {'PGHOST': None, 'PGPORT': None, + 'PGUSER': None, 'PGPASSWORD': None, + 'PGDATABASE': None, 'PGSSLMODE': None} + test_env.update(env) + + dsn = testcase.get('dsn') + user = testcase.get('user') + port = testcase.get('port') + host = testcase.get('host') + password = testcase.get('password') + passfile = testcase.get('passfile') + database = testcase.get('database') + ssl = testcase.get('ssl') + server_settings = testcase.get('server_settings') + + expected = testcase.get('result') + expected_error = testcase.get('error') + if expected is None and expected_error is None: + raise RuntimeError( + 'invalid test case: either "result" or "error" key ' + 'has to be specified') + if expected is not None and expected_error is not None: + raise RuntimeError( + 'invalid test case: either "result" or "error" key ' + 'has to be specified, got both') + + with contextlib.ExitStack() as es: + es.enter_context(self.subTest(dsn=dsn, env=env)) + es.enter_context(self.environ(**test_env)) + + if expected_error: + es.enter_context(self.assertRaisesRegex(*expected_error)) + + addrs, params = connect_utils._parse_connect_dsn_and_args( + dsn=dsn, host=host, port=port, user=user, password=password, + passfile=passfile, database=database, ssl=ssl, + connect_timeout=None, server_settings=server_settings) + + params = {k: v for k, v in params._asdict().items() + if v is not None} + + result = (addrs, params) + + if expected is not None: + for k, v in expected[1].items(): + # If `expected` contains a type, allow that to "match" any + # instance of that type tyat `result` may contain. We need + # this because different SSLContexts don't compare equal. + if isinstance(v, type) and isinstance(result[1].get(k), v): + result[1][k] = v + self.assertEqual(expected, result, 'Testcase: {}'.format(testcase)) + + def test_test_connect_params_environ(self): + self.assertNotIn('AAAAAAAAAA123', os.environ) + self.assertNotIn('AAAAAAAAAA456', os.environ) + self.assertNotIn('AAAAAAAAAA789', os.environ) + + try: + + os.environ['AAAAAAAAAA456'] = '123' + os.environ['AAAAAAAAAA789'] = '123' + + with self.environ(AAAAAAAAAA123='1', + AAAAAAAAAA456='2', + AAAAAAAAAA789=None): + + self.assertEqual(os.environ['AAAAAAAAAA123'], '1') + self.assertEqual(os.environ['AAAAAAAAAA456'], '2') + self.assertNotIn('AAAAAAAAAA789', os.environ) + + self.assertNotIn('AAAAAAAAAA123', os.environ) + self.assertEqual(os.environ['AAAAAAAAAA456'], '123') + self.assertEqual(os.environ['AAAAAAAAAA789'], '123') + + finally: + for key in {'AAAAAAAAAA123', 'AAAAAAAAAA456', 'AAAAAAAAAA789'}: + if key in os.environ: + del os.environ[key] + + def test_test_connect_params_run_testcase(self): + with self.environ(PGPORT='777'): + self.run_testcase({ + 'env': { + 'PGUSER': '__test__' + }, + 'host': 'abc', + 'result': ( + [('abc', 5432)], + {'user': '__test__', 'database': '__test__'} + ) + }) + + def test_connect_params(self): + for testcase in self.TESTS: + self.run_testcase(testcase) + + def test_connect_pgpass_regular(self): + passfile = tempfile.NamedTemporaryFile('w+t', delete=False) + passfile.write(textwrap.dedent(R''' + abc:*:*:user:password from pgpass for user@abc + localhost:*:*:*:password from pgpass for localhost + cde:5433:*:*:password from pgpass for cde:5433 + + *:*:*:testuser:password from pgpass for testuser + *:*:testdb:*:password from pgpass for testdb + # comment + *:*:test\:db:test\\:password from pgpass with escapes + ''')) + passfile.close() + os.chmod(passfile.name, stat.S_IWUSR | stat.S_IRUSR) + + try: + # passfile path in env + self.run_testcase({ + 'env': { + 'PGPASSFILE': passfile.name + }, + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'result': ( + [('abc', 5432)], + { + 'password': 'password from pgpass for user@abc', + 'user': 'user', + 'database': 'db', + } + ) + }) + + # passfile path as explicit arg + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('abc', 5432)], + { + 'password': 'password from pgpass for user@abc', + 'user': 'user', + 'database': 'db', + } + ) + }) + + # passfile path in dsn + self.run_testcase({ + 'dsn': 'postgres://user@abc/db?passfile={}'.format( + passfile.name), + 'result': ( + [('abc', 5432)], + { + 'password': 'password from pgpass for user@abc', + 'user': 'user', + 'database': 'db', + } + ) + }) + + self.run_testcase({ + 'host': 'localhost', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('localhost', 5432)], + { + 'password': 'password from pgpass for localhost', + 'user': 'user', + 'database': 'db', + } + ) + }) + + if _system != 'Windows': + # unix socket gets normalized as localhost + self.run_testcase({ + 'host': '/tmp', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + ['/tmp/.s.PGSQL.5432'], + { + 'password': 'password from pgpass for localhost', + 'user': 'user', + 'database': 'db', + } + ) + }) + + # port matching (also tests that `:` can be part of password) + self.run_testcase({ + 'host': 'cde', + 'port': 5433, + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('cde', 5433)], + { + 'password': 'password from pgpass for cde:5433', + 'user': 'user', + 'database': 'db', + } + ) + }) + + # user matching + self.run_testcase({ + 'host': 'def', + 'user': 'testuser', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('def', 5432)], + { + 'password': 'password from pgpass for testuser', + 'user': 'testuser', + 'database': 'db', + } + ) + }) + + # database matching + self.run_testcase({ + 'host': 'efg', + 'user': 'user', + 'database': 'testdb', + 'passfile': passfile.name, + 'result': ( + [('efg', 5432)], + { + 'password': 'password from pgpass for testdb', + 'user': 'user', + 'database': 'testdb', + } + ) + }) + + # test escaping + self.run_testcase({ + 'host': 'fgh', + 'user': R'test\\', + 'database': R'test\:db', + 'passfile': passfile.name, + 'result': ( + [('fgh', 5432)], + { + 'password': 'password from pgpass with escapes', + 'user': R'test\\', + 'database': R'test\:db', + } + ) + }) + + finally: + os.unlink(passfile.name) + + @unittest.skipIf(_system == 'Windows', 'no mode checking on Windows') + def test_connect_pgpass_badness_mode(self): + # Verify that .pgpass permissions are checked + with tempfile.NamedTemporaryFile('w+t') as passfile: + os.chmod(passfile.name, + stat.S_IWUSR | stat.S_IRUSR | stat.S_IWGRP | stat.S_IRGRP) + + with self.assertWarnsRegex( + UserWarning, + 'password file .* has group or world access'): + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('abc', 5432)], + { + 'user': 'user', + 'database': 'db', + } + ) + }) + + def test_connect_pgpass_badness_non_file(self): + # Verify warnings when .pgpass is not a file + with tempfile.TemporaryDirectory() as passfile: + with self.assertWarnsRegex( + UserWarning, + 'password file .* is not a plain file'): + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': passfile, + 'result': ( + [('abc', 5432)], + { + 'user': 'user', + 'database': 'db', + } + ) + }) + + def test_connect_pgpass_nonexistent(self): + # nonexistent passfile is OK + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': 'totally nonexistent', + 'result': ( + [('abc', 5432)], + { + 'user': 'user', + 'database': 'db', + } + ) + }) + + @unittest.skipIf(_system == 'Windows', 'no mode checking on Windows') + def test_connect_pgpass_inaccessible_file(self): + with tempfile.NamedTemporaryFile('w+t') as passfile: + os.chmod(passfile.name, stat.S_IWUSR) + + # nonexistent passfile is OK + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('abc', 5432)], + { + 'user': 'user', + 'database': 'db', + } + ) + }) + + @unittest.skipIf(_system == 'Windows', 'no mode checking on Windows') + def test_connect_pgpass_inaccessible_directory(self): + with tempfile.TemporaryDirectory() as passdir: + with tempfile.NamedTemporaryFile('w+t', dir=passdir) as passfile: + os.chmod(passdir, stat.S_IWUSR) + + try: + # nonexistent passfile is OK + self.run_testcase({ + 'host': 'abc', + 'user': 'user', + 'database': 'db', + 'passfile': passfile.name, + 'result': ( + [('abc', 5432)], + { + 'user': 'user', + 'database': 'db', + } + ) + }) + finally: + os.chmod(passdir, stat.S_IRWXU) + + async def test_connect_args_validation(self): + for val in {-1, 'a', True, False, 0}: + with self.assertRaisesRegex(ValueError, 'greater than 0'): + await asyncpg.connect(command_timeout=val) + + for arg in {'max_cacheable_statement_size', + 'max_cached_statement_lifetime', + 'statement_cache_size'}: + for val in {None, -1, True, False}: + with self.assertRaisesRegex(ValueError, 'greater or equal'): + await asyncpg.connect(**{arg: val}) + + +class TestConnection(tb.ConnectedTestCase): + + async def test_connection_isinstance(self): + self.assertTrue(isinstance(self.con, connection.Connection)) + self.assertTrue(isinstance(self.con, object)) + self.assertFalse(isinstance(self.con, list)) + + async def test_connection_use_after_close(self): + def check(): + return self.assertRaisesRegex(asyncpg.InterfaceError, + 'connection is closed') + + await self.con.close() + + with check(): + await self.con.add_listener('aaa', lambda: None) + + with check(): + self.con.transaction() + + with check(): + await self.con.executemany('SELECT 1', []) + + with check(): + await self.con.set_type_codec('aaa', encoder=None, decoder=None) + + with check(): + await self.con.set_builtin_type_codec('aaa', codec_name='aaa') + + for meth in ('execute', 'fetch', 'fetchval', 'fetchrow', + 'prepare', 'cursor'): + + with check(): + await getattr(self.con, meth)('SELECT 1') + + with check(): + await self.con.reset() + + @unittest.skipIf(os.environ.get('PGHOST'), 'unmanaged cluster') + async def test_connection_ssl_to_no_ssl_server(self): + ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + ssl_context.load_verify_locations(SSL_CA_CERT_FILE) + + with self.assertRaisesRegex(ConnectionError, 'rejected SSL'): + await self.connect( + host='localhost', + user='ssl_user', + ssl=ssl_context) + + @unittest.skipIf(os.environ.get('PGHOST'), 'unmanaged cluster') + async def test_connection_sslmode_no_ssl_server(self): + async def verify_works(sslmode): + con = None + try: + con = await self.connect( + dsn='postgresql://foo/?sslmode=' + sslmode, + host='localhost') + self.assertEqual(await con.fetchval('SELECT 42'), 42) + finally: + if con: + await con.close() + + async def verify_fails(sslmode): + con = None + try: + with self.assertRaises(ConnectionError): + await self.connect( + dsn='postgresql://foo/?sslmode=' + sslmode, + host='localhost') + await con.fetchval('SELECT 42') + finally: + if con: + await con.close() + + await verify_works('disable') + await verify_works('allow') + await verify_works('prefer') + await verify_fails('require') + await verify_fails('verify-ca') + await verify_fails('verify-full') + + async def test_connection_ssl_unix(self): + ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + ssl_context.load_verify_locations(SSL_CA_CERT_FILE) + + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'can only be enabled for TCP addresses'): + await self.connect( + host='/tmp', + ssl=ssl_context) + + async def test_connection_implicit_host(self): + conn_spec = self.get_connection_spec() + con = await asyncpg.connect( + port=conn_spec.get('port'), + database=conn_spec.get('database'), + user=conn_spec.get('user')) + await con.close() + + +@unittest.skipIf(os.environ.get('PGHOST'), 'unmanaged cluster') +class TestSSLConnection(tb.ConnectedTestCase): + @classmethod + def get_server_settings(cls): + conf = super().get_server_settings() + conf.update({ + 'ssl': 'on', + 'ssl_cert_file': SSL_CERT_FILE, + 'ssl_key_file': SSL_KEY_FILE, + }) + + return conf + + @classmethod + def setup_cluster(cls): + cls.cluster = cls.new_cluster(pg_cluster.TempCluster) + cls.start_cluster( + cls.cluster, server_settings=cls.get_server_settings()) + + def setUp(self): + super().setUp() + + self.cluster.reset_hba() + + create_script = [] + create_script.append('CREATE ROLE ssl_user WITH LOGIN;') + + self.cluster.add_hba_entry( + type='hostssl', address=ipaddress.ip_network('127.0.0.0/24'), + database='postgres', user='ssl_user', + auth_method='trust') + + self.cluster.add_hba_entry( + type='hostssl', address=ipaddress.ip_network('::1/128'), + database='postgres', user='ssl_user', + auth_method='trust') + + # Put hba changes into effect + self.cluster.reload() + + create_script = '\n'.join(create_script) + self.loop.run_until_complete(self.con.execute(create_script)) + + def tearDown(self): + # Reset cluster's pg_hba.conf since we've meddled with it + self.cluster.trust_local_connections() + + drop_script = [] + drop_script.append('DROP ROLE ssl_user;') + drop_script = '\n'.join(drop_script) + self.loop.run_until_complete(self.con.execute(drop_script)) + + super().tearDown() + + async def test_ssl_connection_custom_context(self): + ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + ssl_context.load_verify_locations(SSL_CA_CERT_FILE) + + con = await self.connect( + host='localhost', + user='ssl_user', + ssl=ssl_context) + + try: + self.assertEqual(await con.fetchval('SELECT 42'), 42) + + with self.assertRaises(asyncio.TimeoutError): + await con.execute('SELECT pg_sleep(5)', timeout=0.5) + + self.assertEqual(await con.fetchval('SELECT 43'), 43) + finally: + await con.close() + + async def test_ssl_connection_sslmode(self): + async def verify_works(sslmode, *, host='localhost'): + con = None + try: + con = await self.connect( + dsn='postgresql://foo/?sslmode=' + sslmode, + host=host, + user='ssl_user') + self.assertEqual(await con.fetchval('SELECT 42'), 42) + finally: + if con: + await con.close() + + async def verify_fails(sslmode, *, host='localhost', + exn_type=ssl.SSLError): + # XXX: uvloop artifact + old_handler = self.loop.get_exception_handler() + con = None + try: + self.loop.set_exception_handler(lambda *args: None) + with self.assertRaises(exn_type): + await self.connect( + dsn='postgresql://foo/?sslmode=' + sslmode, + host=host, + user='ssl_user') + await con.fetchval('SELECT 42') + finally: + if con: + await con.close() + self.loop.set_exception_handler(old_handler) + + invalid_auth_err = asyncpg.InvalidAuthorizationSpecificationError + await verify_fails('disable', exn_type=invalid_auth_err) + await verify_works('allow') + await verify_works('prefer') + await verify_works('require') + await verify_fails('verify-ca') + await verify_fails('verify-full') + + orig_create_default_context = ssl.create_default_context + try: + def custom_create_default_context(*args, **kwargs): + ctx = orig_create_default_context(*args, **kwargs) + ctx.load_verify_locations(cafile=SSL_CA_CERT_FILE) + return ctx + ssl.create_default_context = custom_create_default_context + await verify_works('verify-ca') + await verify_works('verify-ca', host='127.0.0.1') + await verify_works('verify-full') + await verify_fails('verify-full', host='127.0.0.1', + exn_type=ssl.CertificateError) + finally: + ssl.create_default_context = orig_create_default_context + + async def test_ssl_connection_default_context(self): + # XXX: uvloop artifact + old_handler = self.loop.get_exception_handler() + try: + self.loop.set_exception_handler(lambda *args: None) + with self.assertRaisesRegex(ssl.SSLError, 'verify failed'): + await self.connect( + host='localhost', + user='ssl_user', + ssl=True) + finally: + self.loop.set_exception_handler(old_handler) + + async def test_ssl_connection_pool(self): + ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + ssl_context.load_verify_locations(SSL_CA_CERT_FILE) + + pool = await self.create_pool( + host='localhost', + user='ssl_user', + database='postgres', + min_size=5, + max_size=10, + ssl=ssl_context) + + async def worker(): + async with pool.acquire() as con: + self.assertEqual(await con.fetchval('SELECT 42'), 42) + + with self.assertRaises(asyncio.TimeoutError): + await con.execute('SELECT pg_sleep(5)', timeout=0.5) + + self.assertEqual(await con.fetchval('SELECT 43'), 43) + + tasks = [worker() for _ in range(100)] + await asyncio.gather(*tasks) + await pool.close() + + +class TestConnectionGC(tb.ClusterTestCase): + + async def _run_no_explicit_close_test(self): + con = await self.connect() + proto = con._protocol + conref = weakref.ref(con) + del con + + gc.collect() + gc.collect() + gc.collect() + + self.assertIsNone(conref()) + self.assertTrue(proto.is_closed()) + + async def test_no_explicit_close_no_debug(self): + olddebug = self.loop.get_debug() + self.loop.set_debug(False) + try: + with self.assertWarnsRegex( + ResourceWarning, + r'unclosed connection.*run in asyncio debug'): + await self._run_no_explicit_close_test() + finally: + self.loop.set_debug(olddebug) + + async def test_no_explicit_close_with_debug(self): + olddebug = self.loop.get_debug() + self.loop.set_debug(True) + try: + with self.assertWarnsRegex(ResourceWarning, + r'unclosed connection') as rw: + await self._run_no_explicit_close_test() + + msg = rw.warning.args[0] + self.assertIn(' created at:\n', msg) + self.assertIn('in test_no_explicit_close_with_debug', msg) + finally: + self.loop.set_debug(olddebug) diff --git a/tests/test_copy.py b/tests/test_copy.py new file mode 100644 index 0000000..dd01153 --- /dev/null +++ b/tests/test_copy.py @@ -0,0 +1,680 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import datetime +import io +import os +import tempfile + +import asyncpg +from asyncpg import _testbase as tb +from asyncpg import compat + + +class TestCopyFrom(tb.ConnectedTestCase): + + async def test_copy_from_table_basics(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, "b~" text, i int); + INSERT INTO copytab (a, "b~", i) ( + SELECT 'a' || i::text, 'b' || i::text, i + FROM generate_series(1, 5) AS i + ); + INSERT INTO copytab (a, "b~", i) VALUES('*', NULL, NULL); + ''') + + try: + f = io.BytesIO() + + # Basic functionality. + res = await self.con.copy_from_table('copytab', output=f) + + self.assertEqual(res, 'COPY 6') + + output = f.getvalue().decode().split('\n') + self.assertEqual( + output, + [ + 'a1\tb1\t1', + 'a2\tb2\t2', + 'a3\tb3\t3', + 'a4\tb4\t4', + 'a5\tb5\t5', + '*\t\\N\t\\N', + '' + ] + ) + + # Test parameters. + await self.con.execute('SET search_path=none') + + f.seek(0) + f.truncate() + + res = await self.con.copy_from_table( + 'copytab', output=f, columns=('a', 'b~'), + schema_name='public', format='csv', + delimiter='|', null='n-u-l-l', header=True, + quote='*', escape='!', force_quote=('a',)) + + output = f.getvalue().decode().split('\n') + + self.assertEqual( + output, + [ + 'a|b~', + '*a1*|b1', + '*a2*|b2', + '*a3*|b3', + '*a4*|b4', + '*a5*|b5', + '*!**|n-u-l-l', + '' + ] + ) + + await self.con.execute('SET search_path=public') + finally: + await self.con.execute('DROP TABLE public.copytab') + + async def test_copy_from_table_large_rows(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + INSERT INTO copytab (a, b) ( + SELECT + repeat('a' || i::text, 500000), + repeat('b' || i::text, 500000) + FROM + generate_series(1, 5) AS i + ); + ''') + + try: + f = io.BytesIO() + + # Basic functionality. + res = await self.con.copy_from_table('copytab', output=f) + + self.assertEqual(res, 'COPY 5') + + output = f.getvalue().decode().split('\n') + self.assertEqual( + output, + [ + 'a1' * 500000 + '\t' + 'b1' * 500000, + 'a2' * 500000 + '\t' + 'b2' * 500000, + 'a3' * 500000 + '\t' + 'b3' * 500000, + 'a4' * 500000 + '\t' + 'b4' * 500000, + 'a5' * 500000 + '\t' + 'b5' * 500000, + '' + ] + ) + finally: + await self.con.execute('DROP TABLE public.copytab') + + async def test_copy_from_query_basics(self): + f = io.BytesIO() + + res = await self.con.copy_from_query(''' + SELECT + repeat('a' || i::text, 500000), + repeat('b' || i::text, 500000) + FROM + generate_series(1, 5) AS i + ''', output=f) + + self.assertEqual(res, 'COPY 5') + + output = f.getvalue().decode().split('\n') + self.assertEqual( + output, + [ + 'a1' * 500000 + '\t' + 'b1' * 500000, + 'a2' * 500000 + '\t' + 'b2' * 500000, + 'a3' * 500000 + '\t' + 'b3' * 500000, + 'a4' * 500000 + '\t' + 'b4' * 500000, + 'a5' * 500000 + '\t' + 'b5' * 500000, + '' + ] + ) + + async def test_copy_from_query_with_args(self): + f = io.BytesIO() + + res = await self.con.copy_from_query(''' + SELECT + i, i * 10 + FROM + generate_series(1, 5) AS i + WHERE + i = $1 + ''', 3, output=f) + + self.assertEqual(res, 'COPY 1') + + output = f.getvalue().decode().split('\n') + self.assertEqual( + output, + [ + '3\t30', + '' + ] + ) + + async def test_copy_from_query_to_path(self): + with tempfile.NamedTemporaryFile() as f: + f.close() + await self.con.copy_from_query(''' + SELECT + i, i * 10 + FROM + generate_series(1, 5) AS i + WHERE + i = $1 + ''', 3, output=f.name) + + with open(f.name, 'rb') as fr: + output = fr.read().decode().split('\n') + self.assertEqual( + output, + [ + '3\t30', + '' + ] + ) + + async def test_copy_from_query_to_path_like(self): + with tempfile.NamedTemporaryFile() as f: + f.close() + + class Path: + def __init__(self, path): + self.path = path + + def __fspath__(self): + return self.path + + await self.con.copy_from_query(''' + SELECT + i, i * 10 + FROM + generate_series(1, 5) AS i + WHERE + i = $1 + ''', 3, output=Path(f.name)) + + with open(f.name, 'rb') as fr: + output = fr.read().decode().split('\n') + self.assertEqual( + output, + [ + '3\t30', + '' + ] + ) + + async def test_copy_from_query_to_bad_output(self): + with self.assertRaisesRegex(TypeError, 'output is expected to be'): + await self.con.copy_from_query(''' + SELECT + i, i * 10 + FROM + generate_series(1, 5) AS i + WHERE + i = $1 + ''', 3, output=1) + + async def test_copy_from_query_to_sink(self): + with tempfile.NamedTemporaryFile() as f: + async def writer(data): + # Sleeping here to simulate slow output sink to test + # backpressure. + await asyncio.sleep(0.05) + f.write(data) + + await self.con.copy_from_query(''' + SELECT + repeat('a', 500) + FROM + generate_series(1, 5000) AS i + ''', output=writer) + + f.seek(0) + + output = f.read().decode().split('\n') + self.assertEqual( + output, + [ + 'a' * 500 + ] * 5000 + [''] + ) + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + async def test_copy_from_query_cancellation_explicit(self): + async def writer(data): + # Sleeping here to simulate slow output sink to test + # backpressure. + await asyncio.sleep(0.5) + + coro = self.con.copy_from_query(''' + SELECT + repeat('a', 500) + FROM + generate_series(1, 5000) AS i + ''', output=writer) + + task = self.loop.create_task(coro) + await asyncio.sleep(0.7) + task.cancel() + + with self.assertRaises(asyncio.CancelledError): + await task + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + async def test_copy_from_query_cancellation_on_sink_error(self): + async def writer(data): + await asyncio.sleep(0.05) + raise RuntimeError('failure') + + coro = self.con.copy_from_query(''' + SELECT + repeat('a', 500) + FROM + generate_series(1, 5000) AS i + ''', output=writer) + + task = self.loop.create_task(coro) + + with self.assertRaises(RuntimeError): + await task + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + async def test_copy_from_query_cancellation_while_waiting_for_data(self): + async def writer(data): + pass + + coro = self.con.copy_from_query(''' + SELECT + pg_sleep(60) + FROM + generate_series(1, 5000) AS i + ''', output=writer) + + task = self.loop.create_task(coro) + await asyncio.sleep(0.7) + task.cancel() + + with self.assertRaises(asyncio.CancelledError): + await task + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + async def test_copy_from_query_timeout_1(self): + async def writer(data): + await asyncio.sleep(0.05) + + coro = self.con.copy_from_query(''' + SELECT + repeat('a', 500) + FROM + generate_series(1, 5000) AS i + ''', output=writer, timeout=0.10) + + task = self.loop.create_task(coro) + + with self.assertRaises(asyncio.TimeoutError): + await task + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + async def test_copy_from_query_timeout_2(self): + async def writer(data): + try: + await asyncio.sleep(10) + except asyncio.TimeoutError: + raise + else: + self.fail('TimeoutError not raised') + + coro = self.con.copy_from_query(''' + SELECT + repeat('a', 500) + FROM + generate_series(1, 5000) AS i + ''', output=writer, timeout=0.10) + + task = self.loop.create_task(coro) + + with self.assertRaises(asyncio.TimeoutError): + await task + + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + +class TestCopyTo(tb.ConnectedTestCase): + + async def test_copy_to_table_basics(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, "b~" text, i int); + ''') + + try: + f = io.BytesIO() + f.write( + '\n'.join([ + 'a1\tb1\t1', + 'a2\tb2\t2', + 'a3\tb3\t3', + 'a4\tb4\t4', + 'a5\tb5\t5', + '*\t\\N\t\\N', + '' + ]).encode('utf-8') + ) + f.seek(0) + + res = await self.con.copy_to_table('copytab', source=f) + self.assertEqual(res, 'COPY 6') + + output = await self.con.fetch(""" + SELECT * FROM copytab ORDER BY a + """) + self.assertEqual( + output, + [ + ('*', None, None), + ('a1', 'b1', 1), + ('a2', 'b2', 2), + ('a3', 'b3', 3), + ('a4', 'b4', 4), + ('a5', 'b5', 5), + ] + ) + + # Test parameters. + await self.con.execute('TRUNCATE copytab') + await self.con.execute('SET search_path=none') + + f.seek(0) + f.truncate() + + f.write( + '\n'.join([ + 'a|b~', + '*a1*|b1', + '*a2*|b2', + '*a3*|b3', + '*a4*|b4', + '*a5*|b5', + '*!**|*n-u-l-l*', + 'n-u-l-l|bb' + ]).encode('utf-8') + ) + f.seek(0) + + if self.con.get_server_version() < (9, 4): + force_null = None + forced_null_expected = 'n-u-l-l' + else: + force_null = ('b~',) + forced_null_expected = None + + res = await self.con.copy_to_table( + 'copytab', source=f, columns=('a', 'b~'), + schema_name='public', format='csv', + delimiter='|', null='n-u-l-l', header=True, + quote='*', escape='!', force_not_null=('a',), + force_null=force_null) + + self.assertEqual(res, 'COPY 7') + + await self.con.execute('SET search_path=public') + + output = await self.con.fetch(""" + SELECT * FROM copytab ORDER BY a + """) + self.assertEqual( + output, + [ + ('*', forced_null_expected, None), + ('a1', 'b1', None), + ('a2', 'b2', None), + ('a3', 'b3', None), + ('a4', 'b4', None), + ('a5', 'b5', None), + ('n-u-l-l', 'bb', None), + ] + ) + + finally: + await self.con.execute('DROP TABLE public.copytab') + + async def test_copy_to_table_large_rows(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + ''') + + try: + class _Source: + def __init__(self): + self.rowcount = 0 + + @compat.aiter_compat + def __aiter__(self): + return self + + async def __anext__(self): + if self.rowcount >= 100: + raise StopAsyncIteration + else: + self.rowcount += 1 + return b'a1' * 500000 + b'\t' + b'b1' * 500000 + b'\n' + + res = await self.con.copy_to_table('copytab', source=_Source()) + + self.assertEqual(res, 'COPY 100') + + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_to_table_from_bytes_like(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + ''') + + try: + data = memoryview((b'a1' * 500 + b'\t' + b'b1' * 500 + b'\n') * 2) + res = await self.con.copy_to_table('copytab', source=data) + self.assertEqual(res, 'COPY 2') + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_to_table_fail_in_source_1(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + ''') + + try: + class _Source: + def __init__(self): + self.rowcount = 0 + + @compat.aiter_compat + def __aiter__(self): + return self + + async def __anext__(self): + raise RuntimeError('failure in source') + + with self.assertRaisesRegex(RuntimeError, 'failure in source'): + await self.con.copy_to_table('copytab', source=_Source()) + + # Check that the protocol has recovered. + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_to_table_fail_in_source_2(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + ''') + + try: + class _Source: + def __init__(self): + self.rowcount = 0 + + @compat.aiter_compat + def __aiter__(self): + return self + + async def __anext__(self): + if self.rowcount == 0: + self.rowcount += 1 + return b'a\tb\n' + else: + raise RuntimeError('failure in source') + + with self.assertRaisesRegex(RuntimeError, 'failure in source'): + await self.con.copy_to_table('copytab', source=_Source()) + + # Check that the protocol has recovered. + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_to_table_timeout(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b text); + ''') + + try: + class _Source: + def __init__(self, loop): + self.rowcount = 0 + self.loop = loop + + @compat.aiter_compat + def __aiter__(self): + return self + + async def __anext__(self): + self.rowcount += 1 + await asyncio.sleep(60) + return b'a1' * 50 + b'\t' + b'b1' * 50 + b'\n' + + with self.assertRaises(asyncio.TimeoutError): + await self.con.copy_to_table( + 'copytab', source=_Source(self.loop), timeout=0.10) + + # Check that the protocol has recovered. + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_to_table_from_file_path(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, "b~" text, i int); + ''') + + f = tempfile.NamedTemporaryFile(delete=False) + try: + f.write( + '\n'.join([ + 'a1\tb1\t1', + 'a2\tb2\t2', + 'a3\tb3\t3', + 'a4\tb4\t4', + 'a5\tb5\t5', + '*\t\\N\t\\N', + '' + ]).encode('utf-8') + ) + f.close() + + res = await self.con.copy_to_table('copytab', source=f.name) + self.assertEqual(res, 'COPY 6') + + output = await self.con.fetch(""" + SELECT * FROM copytab ORDER BY a + """) + self.assertEqual( + output, + [ + ('*', None, None), + ('a1', 'b1', 1), + ('a2', 'b2', 2), + ('a3', 'b3', 3), + ('a4', 'b4', 4), + ('a5', 'b5', 5), + ] + ) + + finally: + await self.con.execute('DROP TABLE public.copytab') + os.unlink(f.name) + + async def test_copy_records_to_table_1(self): + await self.con.execute(''' + CREATE TABLE copytab(a text, b int, c timestamptz); + ''') + + try: + date = datetime.datetime.now(tz=datetime.timezone.utc) + delta = datetime.timedelta(days=1) + + records = [ + ('a-{}'.format(i), i, date + delta) + for i in range(100) + ] + + records.append(('a-100', None, None)) + + res = await self.con.copy_records_to_table( + 'copytab', records=records) + + self.assertEqual(res, 'COPY 101') + + finally: + await self.con.execute('DROP TABLE copytab') + + async def test_copy_records_to_table_no_binary_codec(self): + await self.con.execute(''' + CREATE TABLE copytab(a uuid); + ''') + + try: + def _encoder(value): + return value + + def _decoder(value): + return value + + await self.con.set_type_codec( + 'uuid', encoder=_encoder, decoder=_decoder, + schema='pg_catalog', format='text' + ) + + records = [('2975ab9a-f79c-4ab4-9be5-7bc134d952f0',)] + + with self.assertRaisesRegex( + asyncpg.InternalClientError, 'no binary format encoder'): + await self.con.copy_records_to_table( + 'copytab', records=records) + + finally: + await self.con.reset_type_codec( + 'uuid', schema='pg_catalog' + ) + await self.con.execute('DROP TABLE copytab') diff --git a/tests/test_cursor.py b/tests/test_cursor.py new file mode 100644 index 0000000..565def8 --- /dev/null +++ b/tests/test_cursor.py @@ -0,0 +1,151 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncpg +import inspect + +from asyncpg import _testbase as tb + + +class TestIterableCursor(tb.ConnectedTestCase): + + async def test_cursor_iterable_01(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + expected = await st.fetch() + + for prefetch in range(1, 25): + with self.subTest(prefetch=prefetch): + async with self.con.transaction(): + result = [] + async for rec in st.cursor(prefetch=prefetch): + result.append(rec) + + self.assertEqual( + result, expected, + 'result != expected for prefetch={}'.format(prefetch)) + + async def test_cursor_iterable_02(self): + # Test that it's not possible to create a cursor without hold + # outside of a transaction + s = await self.con.prepare( + 'DECLARE t BINARY CURSOR WITHOUT HOLD FOR SELECT 1') + with self.assertRaises(asyncpg.NoActiveSQLTransactionError): + await s.fetch() + + # Now test that statement.cursor() does not let you + # iterate over it outside of a transaction + st = await self.con.prepare('SELECT generate_series(0, 20)') + + it = st.cursor(prefetch=5).__aiter__() + if inspect.isawaitable(it): + it = await it + + with self.assertRaisesRegex(asyncpg.NoActiveSQLTransactionError, + 'cursor cannot be created.*transaction'): + await it.__anext__() + + async def test_cursor_iterable_03(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + + it = st.cursor().__aiter__() + if inspect.isawaitable(it): + it = await it + + st._state.mark_closed() + + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'statement is closed'): + async for _ in it: # NOQA + pass + + async def test_cursor_iterable_04(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + st._state.mark_closed() + + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'statement is closed'): + async for _ in st.cursor(): # NOQA + pass + + async def test_cursor_iterable_05(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + for prefetch in range(-1, 1): + with self.subTest(prefetch=prefetch): + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'must be greater than zero'): + async for _ in st.cursor(prefetch=prefetch): # NOQA + pass + + async def test_cursor_iterable_06(self): + recs = [] + + async with self.con.transaction(): + async for rec in self.con.cursor( + 'SELECT generate_series(0, $1::int)', 10): + recs.append(rec) + + self.assertEqual(recs, [(i,) for i in range(11)]) + + +class TestCursor(tb.ConnectedTestCase): + + async def test_cursor_01(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + with self.assertRaisesRegex(asyncpg.NoActiveSQLTransactionError, + 'cursor cannot be created.*transaction'): + await st.cursor() + + async def test_cursor_02(self): + st = await self.con.prepare('SELECT generate_series(0, 20)') + async with self.con.transaction(): + cur = await st.cursor() + + for i in range(-1, 1): + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'greater than zero'): + await cur.fetch(i) + + res = await cur.fetch(2) + self.assertEqual(res, [(0,), (1,)]) + + rec = await cur.fetchrow() + self.assertEqual(rec, (2,)) + + r = repr(cur) + self.assertTrue(r.startswith(' +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncpg +from asyncpg import _testbase as tb + + +class TestExceptions(tb.ConnectedTestCase): + + def test_exceptions_exported(self): + for err in ('PostgresError', 'SubstringError', 'InterfaceError'): + self.assertTrue(hasattr(asyncpg, err)) + self.assertIn(err, asyncpg.__all__) + + for err in ('PostgresMessage',): + self.assertFalse(hasattr(asyncpg, err)) + self.assertNotIn(err, asyncpg.__all__) + + self.assertIsNone(asyncpg.PostgresError.schema_name) + + async def test_exceptions_unpacking(self): + try: + await self.con.execute('SELECT * FROM _nonexistent_') + except asyncpg.UndefinedTableError as e: + self.assertEqual(e.sqlstate, '42P01') + self.assertEqual(e.position, '15') + self.assertEqual(e.query, 'SELECT * FROM _nonexistent_') + self.assertIsNotNone(e.severity) + else: + self.fail('UndefinedTableError not raised') + + async def test_exceptions_str(self): + try: + await self.con.execute(''' + CREATE FUNCTION foo() RETURNS bool AS $$ $$ LANGUAGE SQL; + ''') + except asyncpg.InvalidFunctionDefinitionError as e: + self.assertEqual( + e.detail, + "Function's final statement must be SELECT or " + "INSERT/UPDATE/DELETE RETURNING.") + self.assertIn( + 'DETAIL: Function', str(e) + ) + else: + self.fail('InvalidFunctionDefinitionError not raised') diff --git a/tests/test_execute.py b/tests/test_execute.py new file mode 100644 index 0000000..5ecc100 --- /dev/null +++ b/tests/test_execute.py @@ -0,0 +1,153 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import asyncpg + +from asyncpg import _testbase as tb + + +class TestExecuteScript(tb.ConnectedTestCase): + + async def test_execute_script_1(self): + self.assertEqual(self.con._protocol.queries_count, 0) + status = await self.con.execute(''' + SELECT 1; + + SELECT true FROM pg_type WHERE false = true; + + SELECT generate_series(0, 9); + ''') + self.assertEqual(self.con._protocol.queries_count, 1) + self.assertEqual(status, 'SELECT 10') + + async def test_execute_script_2(self): + status = await self.con.execute(''' + CREATE TABLE mytab (a int); + ''') + self.assertEqual(status, 'CREATE TABLE') + + try: + status = await self.con.execute(''' + INSERT INTO mytab (a) VALUES ($1), ($2) + ''', 10, 20) + self.assertEqual(status, 'INSERT 0 2') + finally: + await self.con.execute('DROP TABLE mytab') + + async def test_execute_script_3(self): + with self.assertRaisesRegex(asyncpg.PostgresSyntaxError, + 'cannot insert multiple commands'): + + await self.con.execute(''' + CREATE TABLE mytab (a int); + INSERT INTO mytab (a) VALUES ($1), ($2); + ''', 10, 20) + + async def test_execute_script_check_transactionality(self): + with self.assertRaises(asyncpg.PostgresError): + await self.con.execute(''' + CREATE TABLE mytab (a int); + SELECT * FROM mytab WHERE 1 / 0 = 1; + ''') + + with self.assertRaisesRegex(asyncpg.PostgresError, + '"mytab" does not exist'): + + await self.con.prepare(''' + SELECT * FROM mytab + ''') + + async def test_execute_exceptions_1(self): + with self.assertRaisesRegex(asyncpg.PostgresError, + 'relation "__dne__" does not exist'): + + await self.con.execute('select * from __dne__') + + async def test_execute_script_interrupted_close(self): + fut = self.loop.create_task( + self.con.execute('''SELECT pg_sleep(10)''')) + + await asyncio.sleep(0.2) + + self.assertFalse(self.con.is_closed()) + await self.con.close() + self.assertTrue(self.con.is_closed()) + + with self.assertRaises(asyncpg.QueryCanceledError): + await fut + + async def test_execute_script_interrupted_terminate(self): + fut = self.loop.create_task( + self.con.execute('''SELECT pg_sleep(10)''')) + + await asyncio.sleep(0.2) + + self.assertFalse(self.con.is_closed()) + self.con.terminate() + self.assertTrue(self.con.is_closed()) + + with self.assertRaisesRegex(asyncpg.ConnectionDoesNotExistError, + 'closed in the middle'): + await fut + + self.con.terminate() + + async def test_execute_many_1(self): + await self.con.execute('CREATE TEMP TABLE exmany (a text, b int)') + + try: + result = await self.con.executemany(''' + INSERT INTO exmany VALUES($1, $2) + ''', [ + ('a', 1), ('b', 2), ('c', 3), ('d', 4) + ]) + + self.assertIsNone(result) + + result = await self.con.fetch(''' + SELECT * FROM exmany + ''') + + self.assertEqual(result, [ + ('a', 1), ('b', 2), ('c', 3), ('d', 4) + ]) + + # Empty set + result = await self.con.executemany(''' + INSERT INTO exmany VALUES($1, $2) + ''', ()) + + result = await self.con.fetch(''' + SELECT * FROM exmany + ''') + + self.assertEqual(result, [ + ('a', 1), ('b', 2), ('c', 3), ('d', 4) + ]) + finally: + await self.con.execute('DROP TABLE exmany') + + async def test_execute_many_2(self): + await self.con.execute('CREATE TEMP TABLE exmany (b int)') + + try: + bad_data = ([1 / 0] for v in range(10)) + + with self.assertRaises(ZeroDivisionError): + async with self.con.transaction(): + await self.con.executemany(''' + INSERT INTO exmany VALUES($1) + ''', bad_data) + + good_data = ([v] for v in range(10)) + async with self.con.transaction(): + await self.con.executemany(''' + INSERT INTO exmany VALUES($1) + ''', good_data) + finally: + await self.con.execute('DROP TABLE exmany') diff --git a/tests/test_introspection.py b/tests/test_introspection.py new file mode 100644 index 0000000..eb3258f --- /dev/null +++ b/tests/test_introspection.py @@ -0,0 +1,177 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import json + +from asyncpg import _testbase as tb +from asyncpg import connection as apg_con + + +MAX_RUNTIME = 0.1 + + +class SlowIntrospectionConnection(apg_con.Connection): + """Connection class to test introspection races.""" + introspect_count = 0 + + async def _introspect_types(self, *args, **kwargs): + self.introspect_count += 1 + await asyncio.sleep(0.4) + return await super()._introspect_types(*args, **kwargs) + + +class TestIntrospection(tb.ConnectedTestCase): + @classmethod + def setUpClass(cls): + super().setUpClass() + cls.adminconn = cls.loop.run_until_complete(cls.connect()) + cls.loop.run_until_complete( + cls.adminconn.execute('CREATE DATABASE asyncpg_intro_test')) + + @classmethod + def tearDownClass(cls): + cls.loop.run_until_complete( + cls.adminconn.execute('DROP DATABASE asyncpg_intro_test')) + + cls.loop.run_until_complete(cls.adminconn.close()) + cls.adminconn = None + + super().tearDownClass() + + @tb.with_connection_options(database='asyncpg_intro_test') + async def test_introspection_on_large_db(self): + await self.con.execute( + 'CREATE TABLE base ({})'.format( + ','.join('c{:02} varchar'.format(n) for n in range(50)) + ) + ) + for n in range(1000): + await self.con.execute( + 'CREATE TABLE child_{:04} () inherits (base)'.format(n) + ) + + with self.assertRunUnder(MAX_RUNTIME): + await self.con.fetchval('SELECT $1::int[]', [1, 2]) + + @tb.with_connection_options(statement_cache_size=0) + async def test_introspection_no_stmt_cache_01(self): + old_uid = apg_con._uid + + self.assertEqual(self.con._stmt_cache.get_max_size(), 0) + await self.con.fetchval('SELECT $1::int[]', [1, 2]) + + await self.con.execute(''' + CREATE EXTENSION IF NOT EXISTS hstore + ''') + + try: + await self.con.set_builtin_type_codec( + 'hstore', codec_name='pg_contrib.hstore') + finally: + await self.con.execute(''' + DROP EXTENSION hstore + ''') + + self.assertEqual(apg_con._uid, old_uid) + + @tb.with_connection_options(max_cacheable_statement_size=1) + async def test_introspection_no_stmt_cache_02(self): + # max_cacheable_statement_size will disable caching both for + # the user query and for the introspection query. + old_uid = apg_con._uid + + await self.con.fetchval('SELECT $1::int[]', [1, 2]) + + await self.con.execute(''' + CREATE EXTENSION IF NOT EXISTS hstore + ''') + + try: + await self.con.set_builtin_type_codec( + 'hstore', codec_name='pg_contrib.hstore') + finally: + await self.con.execute(''' + DROP EXTENSION hstore + ''') + + self.assertEqual(apg_con._uid, old_uid) + + @tb.with_connection_options(max_cacheable_statement_size=10000) + async def test_introspection_no_stmt_cache_03(self): + # max_cacheable_statement_size will disable caching for + # the user query but not for the introspection query. + old_uid = apg_con._uid + + await self.con.fetchval( + "SELECT $1::int[], '{foo}'".format(foo='a' * 10000), [1, 2]) + + self.assertEqual(apg_con._uid, old_uid + 1) + + async def test_introspection_sticks_for_ps(self): + # Test that the introspected codec pipeline for a prepared + # statement is not affected by a subsequent codec cache bust. + + ps = await self.con._prepare('SELECT $1::json[]', use_cache=True) + + try: + # Setting a custom codec blows the codec cache for derived types. + await self.con.set_type_codec( + 'json', encoder=lambda v: v, decoder=json.loads, + schema='pg_catalog', format='text' + ) + + # The originally prepared statement should still be OK and + # use the previously selected codec. + self.assertEqual(await ps.fetchval(['{"foo": 1}']), ['{"foo": 1}']) + + # The new query uses the custom codec. + v = await self.con.fetchval('SELECT $1::json[]', ['{"foo": 1}']) + self.assertEqual(v, [{'foo': 1}]) + + finally: + await self.con.reset_type_codec( + 'json', schema='pg_catalog') + + async def test_introspection_retries_after_cache_bust(self): + # Test that codec cache bust racing with the introspection + # query would cause introspection to retry. + slow_intro_conn = await self.connect( + connection_class=SlowIntrospectionConnection) + try: + await self.con.execute(''' + CREATE DOMAIN intro_1_t AS int; + CREATE DOMAIN intro_2_t AS int; + ''') + + await slow_intro_conn.fetchval(''' + SELECT $1::intro_1_t + ''', 10) + # slow_intro_conn cache is now populated with intro_1_t + + async def wait_and_drop(): + await asyncio.sleep(0.1) + await slow_intro_conn.reload_schema_state() + + # Now, in parallel, run another query that + # references both intro_1_t and intro_2_t. + await asyncio.gather( + slow_intro_conn.fetchval(''' + SELECT $1::intro_1_t, $2::intro_2_t + ''', 10, 20), + wait_and_drop() + ) + + # Initial query + two tries for the second query. + self.assertEqual(slow_intro_conn.introspect_count, 3) + + finally: + await self.con.execute(''' + DROP DOMAIN intro_1_t; + DROP DOMAIN intro_2_t; + ''') + await slow_intro_conn.close() diff --git a/tests/test_listeners.py b/tests/test_listeners.py new file mode 100644 index 0000000..a4726e2 --- /dev/null +++ b/tests/test_listeners.py @@ -0,0 +1,316 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import os +import platform +import sys +import unittest + +from asyncpg import _testbase as tb +from asyncpg import exceptions + + +class TestListeners(tb.ClusterTestCase): + + async def test_listen_01(self): + async with self.create_pool(database='postgres') as pool: + async with pool.acquire() as con: + + q1 = asyncio.Queue() + q2 = asyncio.Queue() + + def listener1(*args): + q1.put_nowait(args) + + def listener2(*args): + q2.put_nowait(args) + + await con.add_listener('test', listener1) + await con.add_listener('test', listener2) + + await con.execute("NOTIFY test, 'aaaa'") + + self.assertEqual( + await q1.get(), + (con, con.get_server_pid(), 'test', 'aaaa')) + self.assertEqual( + await q2.get(), + (con, con.get_server_pid(), 'test', 'aaaa')) + + await con.remove_listener('test', listener2) + + await con.execute("NOTIFY test, 'aaaa'") + + self.assertEqual( + await q1.get(), + (con, con.get_server_pid(), 'test', 'aaaa')) + with self.assertRaises(asyncio.TimeoutError): + await asyncio.wait_for(q2.get(), timeout=0.05) + + await con.reset() + await con.remove_listener('test', listener1) + await con.execute("NOTIFY test, 'aaaa'") + + with self.assertRaises(asyncio.TimeoutError): + await asyncio.wait_for(q1.get(), timeout=0.05) + with self.assertRaises(asyncio.TimeoutError): + await asyncio.wait_for(q2.get(), timeout=0.05) + + async def test_listen_02(self): + async with self.create_pool(database='postgres') as pool: + async with pool.acquire() as con1, pool.acquire() as con2: + + q1 = asyncio.Queue() + + def listener1(*args): + q1.put_nowait(args) + + await con1.add_listener('ipc', listener1) + await con2.execute("NOTIFY ipc, 'hello'") + + self.assertEqual( + await q1.get(), + (con1, con2.get_server_pid(), 'ipc', 'hello')) + + await con1.remove_listener('ipc', listener1) + + async def test_listen_notletters(self): + async with self.create_pool(database='postgres') as pool: + async with pool.acquire() as con1, pool.acquire() as con2: + + q1 = asyncio.Queue() + + def listener1(*args): + q1.put_nowait(args) + + await con1.add_listener('12+"34', listener1) + await con2.execute("""NOTIFY "12+""34", 'hello'""") + + self.assertEqual( + await q1.get(), + (con1, con2.get_server_pid(), '12+"34', 'hello')) + + await con1.remove_listener('12+"34', listener1) + + async def test_dangling_listener_warns(self): + async with self.create_pool(database='postgres') as pool: + with self.assertWarnsRegex( + exceptions.InterfaceWarning, + '.*Connection.*is being released to the pool but ' + 'has 1 active notification listener'): + async with pool.acquire() as con: + def listener1(*args): + pass + + await con.add_listener('ipc', listener1) + + +class TestLogListeners(tb.ConnectedTestCase): + + @tb.with_connection_options(server_settings={ + 'client_min_messages': 'notice' + }) + async def test_log_listener_01(self): + q1 = asyncio.Queue() + + def notice_callb(con, message): + # Message fields depend on PG version, hide some values. + dct = message.as_dict() + del dct['server_source_line'] + q1.put_nowait((con, type(message), dct)) + + async def raise_notice(): + await self.con.execute( + """DO $$ + BEGIN RAISE NOTICE 'catch me!'; END; + $$ LANGUAGE plpgsql""" + ) + + async def raise_warning(): + await self.con.execute( + """DO $$ + BEGIN RAISE WARNING 'catch me!'; END; + $$ LANGUAGE plpgsql""" + ) + + con = self.con + con.add_log_listener(notice_callb) + + expected_msg = { + 'context': 'PL/pgSQL function inline_code_block line 2 at RAISE', + 'message': 'catch me!', + 'server_source_filename': 'pl_exec.c', + 'server_source_function': 'exec_stmt_raise', + } + + expected_msg_notice = { + **expected_msg, + 'severity': 'NOTICE', + 'severity_en': 'NOTICE', + 'sqlstate': '00000', + } + + expected_msg_warn = { + **expected_msg, + 'severity': 'WARNING', + 'severity_en': 'WARNING', + 'sqlstate': '01000', + } + + if con.get_server_version() < (9, 6): + del expected_msg_notice['context'] + del expected_msg_notice['severity_en'] + del expected_msg_warn['context'] + del expected_msg_warn['severity_en'] + + await raise_notice() + await raise_warning() + + self.assertEqual( + await q1.get(), + (con, exceptions.PostgresLogMessage, expected_msg_notice)) + + self.assertEqual( + await q1.get(), + (con, exceptions.PostgresWarning, expected_msg_warn)) + + con.remove_log_listener(notice_callb) + await raise_notice() + self.assertTrue(q1.empty()) + + con.add_log_listener(notice_callb) + await raise_notice() + await q1.get() + self.assertTrue(q1.empty()) + await con.reset() + await raise_notice() + self.assertTrue(q1.empty()) + + @tb.with_connection_options(server_settings={ + 'client_min_messages': 'notice' + }) + async def test_log_listener_02(self): + q1 = asyncio.Queue() + + cur_id = None + + def notice_callb(con, message): + q1.put_nowait((con, cur_id, message.message)) + + con = self.con + await con.execute( + "CREATE FUNCTION _test(i INT) RETURNS int LANGUAGE plpgsql AS $$" + " BEGIN" + " RAISE NOTICE '1_%', i;" + " PERFORM pg_sleep(0.1);" + " RAISE NOTICE '2_%', i;" + " RETURN i;" + " END" + "$$" + ) + + try: + con.add_log_listener(notice_callb) + for cur_id in range(10): + await con.execute("SELECT _test($1)", cur_id) + + for cur_id in range(10): + self.assertEqual( + q1.get_nowait(), + (con, cur_id, '1_%s' % cur_id)) + self.assertEqual( + q1.get_nowait(), + (con, cur_id, '2_%s' % cur_id)) + + con.remove_log_listener(notice_callb) + self.assertTrue(q1.empty()) + finally: + await con.execute('DROP FUNCTION _test(i INT)') + + @tb.with_connection_options(server_settings={ + 'client_min_messages': 'notice' + }) + async def test_log_listener_03(self): + q1 = asyncio.Queue() + + async def raise_message(level, code): + await self.con.execute(""" + DO $$ BEGIN + RAISE {} 'catch me!' USING ERRCODE = '{}'; + END; $$ LANGUAGE plpgsql; + """.format(level, code)) + + def notice_callb(con, message): + # Message fields depend on PG version, hide some values. + q1.put_nowait(message) + + self.con.add_log_listener(notice_callb) + + await raise_message('WARNING', '99999') + msg = await q1.get() + self.assertIsInstance(msg, exceptions.PostgresWarning) + self.assertEqual(msg.sqlstate, '99999') + + await raise_message('WARNING', '01004') + msg = await q1.get() + self.assertIsInstance(msg, exceptions.StringDataRightTruncation) + self.assertEqual(msg.sqlstate, '01004') + + with self.assertRaises(exceptions.InvalidCharacterValueForCastError): + await raise_message('', '22018') + self.assertTrue(q1.empty()) + + async def test_dangling_log_listener_warns(self): + async with self.create_pool(database='postgres') as pool: + with self.assertWarnsRegex( + exceptions.InterfaceWarning, + '.*Connection.*is being released to the pool but ' + 'has 1 active log listener'): + async with pool.acquire() as con: + def listener1(*args): + pass + + con.add_log_listener(listener1) + + +@unittest.skipIf(os.environ.get('PGHOST'), 'using remote cluster for testing') +@unittest.skipIf( + platform.system() == 'Windows' and + sys.version_info >= (3, 8), + 'not compatible with ProactorEventLoop which is default in Python 3.8') +class TestConnectionTerminationListener(tb.ProxiedClusterTestCase): + + async def test_connection_termination_callback_called_on_remote(self): + + called = False + + def close_cb(con): + nonlocal called + called = True + + con = await self.connect() + con.add_termination_listener(close_cb) + self.proxy.close_all_connections() + try: + await con.fetchval('SELECT 1') + except Exception: + pass + self.assertTrue(called) + + async def test_connection_termination_callback_called_on_local(self): + + called = False + + def close_cb(con): + nonlocal called + called = True + + con = await self.connect() + con.add_termination_listener(close_cb) + await con.close() + self.assertTrue(called) diff --git a/tests/test_pool.py b/tests/test_pool.py new file mode 100644 index 0000000..e51923e --- /dev/null +++ b/tests/test_pool.py @@ -0,0 +1,1003 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import inspect +import os +import platform +import random +import sys +import textwrap +import time +import unittest + +import asyncpg +from asyncpg import _testbase as tb +from asyncpg import connection as pg_connection +from asyncpg import cluster as pg_cluster +from asyncpg import pool as pg_pool + +_system = platform.uname().system + + +if os.environ.get('TRAVIS_OS_NAME') == 'osx': + # Travis' macOS is _slow_. + POOL_NOMINAL_TIMEOUT = 0.5 +else: + POOL_NOMINAL_TIMEOUT = 0.1 + + +class SlowResetConnection(pg_connection.Connection): + """Connection class to simulate races with Connection.reset().""" + async def reset(self, *, timeout=None): + await asyncio.sleep(0.2) + return await super().reset(timeout=timeout) + + +class SlowCancelConnection(pg_connection.Connection): + """Connection class to simulate races with Connection._cancel().""" + async def _cancel(self, waiter): + await asyncio.sleep(0.2) + return await super()._cancel(waiter) + + +class TestPool(tb.ConnectedTestCase): + + async def test_pool_01(self): + for n in {1, 5, 10, 20, 100}: + with self.subTest(tasksnum=n): + pool = await self.create_pool(database='postgres', + min_size=5, max_size=10) + + async def worker(): + con = await pool.acquire() + self.assertEqual(await con.fetchval('SELECT 1'), 1) + await pool.release(con) + + tasks = [worker() for _ in range(n)] + await asyncio.gather(*tasks) + await pool.close() + + async def test_pool_02(self): + for n in {1, 3, 5, 10, 20, 100}: + with self.subTest(tasksnum=n): + async with self.create_pool(database='postgres', + min_size=5, max_size=5) as pool: + + async def worker(): + con = await pool.acquire(timeout=5) + self.assertEqual(await con.fetchval('SELECT 1'), 1) + await pool.release(con) + + tasks = [worker() for _ in range(n)] + await asyncio.gather(*tasks) + + async def test_pool_03(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire(timeout=1) + with self.assertRaises(asyncio.TimeoutError): + await pool.acquire(timeout=0.03) + + pool.terminate() + del con + + async def test_pool_04(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire(timeout=POOL_NOMINAL_TIMEOUT) + + # Manual termination of pool connections releases the + # pool item immediately. + con.terminate() + self.assertIsNone(pool._holders[0]._con) + self.assertIsNone(pool._holders[0]._in_use) + + con = await pool.acquire(timeout=POOL_NOMINAL_TIMEOUT) + self.assertEqual(await con.fetchval('SELECT 1'), 1) + + await con.close() + self.assertIsNone(pool._holders[0]._con) + self.assertIsNone(pool._holders[0]._in_use) + # Calling release should not hurt. + await pool.release(con) + + pool.terminate() + + async def test_pool_05(self): + for n in {1, 3, 5, 10, 20, 100}: + with self.subTest(tasksnum=n): + pool = await self.create_pool(database='postgres', + min_size=5, max_size=10) + + async def worker(): + async with pool.acquire() as con: + self.assertEqual(await con.fetchval('SELECT 1'), 1) + + tasks = [worker() for _ in range(n)] + await asyncio.gather(*tasks) + await pool.close() + + async def test_pool_06(self): + fut = asyncio.Future() + + async def setup(con): + fut.set_result(con) + + async with self.create_pool(database='postgres', + min_size=5, max_size=5, + setup=setup) as pool: + async with pool.acquire() as con: + pass + + self.assertIs(con, await fut) + + async def test_pool_07(self): + cons = set() + + async def setup(con): + if con._con not in cons: # `con` is `PoolConnectionProxy`. + raise RuntimeError('init was not called before setup') + + async def init(con): + if con in cons: + raise RuntimeError('init was called more than once') + cons.add(con) + + async def user(pool): + async with pool.acquire() as con: + if con._con not in cons: # `con` is `PoolConnectionProxy`. + raise RuntimeError('init was not called') + + async with self.create_pool(database='postgres', + min_size=2, max_size=5, + init=init, + setup=setup) as pool: + users = asyncio.gather(*[user(pool) for _ in range(10)]) + await users + + self.assertEqual(len(cons), 5) + + async def test_pool_08(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire(timeout=POOL_NOMINAL_TIMEOUT) + with self.assertRaisesRegex(asyncpg.InterfaceError, 'is not a member'): + await pool.release(con._con) + + async def test_pool_09(self): + pool1 = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + pool2 = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + try: + con = await pool1.acquire(timeout=POOL_NOMINAL_TIMEOUT) + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'is not a member'): + await pool2.release(con) + finally: + await pool1.release(con) + + await pool1.close() + await pool2.close() + + async def test_pool_10(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire() + await pool.release(con) + await pool.release(con) + + await pool.close() + + async def test_pool_11(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + async with pool.acquire() as con: + self.assertIn(repr(con._con), repr(con)) # Test __repr__. + + ps = await con.prepare('SELECT 1') + txn = con.transaction() + async with con.transaction(): + cur = await con.cursor('SELECT 1') + ps_cur = await ps.cursor() + + self.assertIn('[released]', repr(con)) + + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'cannot call Connection\.execute.*released back to the pool'): + + con.execute('select 1') + + for meth in ('fetchval', 'fetchrow', 'fetch', 'explain', + 'get_query', 'get_statusmsg', 'get_parameters', + 'get_attributes'): + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'cannot call PreparedStatement\.{meth}.*released ' + r'back to the pool'.format(meth=meth)): + + getattr(ps, meth)() + + for c in (cur, ps_cur): + for meth in ('fetch', 'fetchrow'): + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'cannot call Cursor\.{meth}.*released ' + r'back to the pool'.format(meth=meth)): + + getattr(c, meth)() + + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'cannot call Cursor\.forward.*released ' + r'back to the pool'.format(meth=meth)): + + c.forward(1) + + for meth in ('start', 'commit', 'rollback'): + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'cannot call Transaction\.{meth}.*released ' + r'back to the pool'.format(meth=meth)): + + getattr(txn, meth)() + + await pool.close() + + async def test_pool_12(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + async with pool.acquire() as con: + self.assertTrue(isinstance(con, pg_connection.Connection)) + self.assertFalse(isinstance(con, list)) + + await pool.close() + + async def test_pool_13(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + async with pool.acquire() as con: + self.assertIn('Execute an SQL command', con.execute.__doc__) + self.assertEqual(con.execute.__name__, 'execute') + + self.assertIn( + str(inspect.signature(con.execute))[1:], + str(inspect.signature(pg_connection.Connection.execute))) + + await pool.close() + + def test_pool_init_run_until_complete(self): + pool_init = self.create_pool(database='postgres') + pool = self.loop.run_until_complete(pool_init) + self.assertIsInstance(pool, asyncpg.pool.Pool) + + async def test_pool_exception_in_setup_and_init(self): + class Error(Exception): + pass + + async def setup(con): + nonlocal setup_calls, last_con + last_con = con + setup_calls += 1 + if setup_calls > 1: + cons.append(con) + else: + cons.append('error') + raise Error + + with self.subTest(method='setup'): + setup_calls = 0 + last_con = None + cons = [] + async with self.create_pool(database='postgres', + min_size=1, max_size=1, + setup=setup) as pool: + with self.assertRaises(Error): + await pool.acquire() + self.assertTrue(last_con.is_closed()) + + async with pool.acquire() as con: + self.assertEqual(cons, ['error', con]) + + with self.subTest(method='init'): + setup_calls = 0 + last_con = None + cons = [] + async with self.create_pool(database='postgres', + min_size=0, max_size=1, + init=setup) as pool: + with self.assertRaises(Error): + await pool.acquire() + self.assertTrue(last_con.is_closed()) + + async with pool.acquire() as con: + self.assertEqual(await con.fetchval('select 1::int'), 1) + self.assertEqual(cons, ['error', con._con]) + + async def test_pool_auth(self): + if not self.cluster.is_managed(): + self.skipTest('unmanaged cluster') + + self.cluster.reset_hba() + + if _system != 'Windows': + self.cluster.add_hba_entry( + type='local', + database='postgres', user='pooluser', + auth_method='md5') + + self.cluster.add_hba_entry( + type='host', address='127.0.0.1/32', + database='postgres', user='pooluser', + auth_method='md5') + + self.cluster.add_hba_entry( + type='host', address='::1/128', + database='postgres', user='pooluser', + auth_method='md5') + + self.cluster.reload() + + try: + await self.con.execute(''' + CREATE ROLE pooluser WITH LOGIN PASSWORD 'poolpassword' + ''') + + pool = await self.create_pool(database='postgres', + user='pooluser', + password='poolpassword', + min_size=5, max_size=10) + + async def worker(): + con = await pool.acquire() + self.assertEqual(await con.fetchval('SELECT 1'), 1) + await pool.release(con) + + tasks = [worker() for _ in range(5)] + await asyncio.gather(*tasks) + await pool.close() + + finally: + await self.con.execute('DROP ROLE pooluser') + + # Reset cluster's pg_hba.conf since we've meddled with it + self.cluster.trust_local_connections() + self.cluster.reload() + + async def test_pool_handles_task_cancel_in_release(self): + # Use SlowResetConnectionPool to simulate + # the Task.cancel() and __aexit__ race. + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1, + connection_class=SlowResetConnection) + + async def worker(): + async with pool.acquire(): + pass + + task = self.loop.create_task(worker()) + # Let the worker() run. + await asyncio.sleep(0.1) + # Cancel the worker. + task.cancel() + # Wait to make sure the cleanup has completed. + await asyncio.sleep(0.4) + # Check that the connection has been returned to the pool. + self.assertEqual(pool._queue.qsize(), 1) + + async def test_pool_handles_query_cancel_in_release(self): + # Use SlowResetConnectionPool to simulate + # the Task.cancel() and __aexit__ race. + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1, + connection_class=SlowCancelConnection) + + async def worker(): + async with pool.acquire() as con: + await con.execute('SELECT pg_sleep(10)') + + task = self.loop.create_task(worker()) + # Let the worker() run. + await asyncio.sleep(0.1) + # Cancel the worker. + task.cancel() + # Wait to make sure the cleanup has completed. + await asyncio.sleep(0.5) + # Check that the connection has been returned to the pool. + self.assertEqual(pool._queue.qsize(), 1) + + async def test_pool_no_acquire_deadlock(self): + async with self.create_pool(database='postgres', + min_size=1, max_size=1, + max_queries=1) as pool: + + async def sleep_and_release(): + async with pool.acquire() as con: + await con.execute('SELECT pg_sleep(1)') + + asyncio.ensure_future(sleep_and_release()) + await asyncio.sleep(0.5) + + async with pool.acquire() as con: + await con.fetchval('SELECT 1') + + async def test_pool_config_persistence(self): + N = 100 + cons = set() + + class MyConnection(asyncpg.Connection): + async def foo(self): + return 42 + + async def fetchval(self, query): + res = await super().fetchval(query) + return res + 1 + + async def test(pool): + async with pool.acquire() as con: + self.assertEqual(await con.fetchval('SELECT 1'), 2) + self.assertEqual(await con.foo(), 42) + self.assertTrue(isinstance(con, MyConnection)) + self.assertEqual(con._con._config.statement_cache_size, 3) + cons.add(con) + + async with self.create_pool( + database='postgres', min_size=10, max_size=10, + max_queries=1, connection_class=MyConnection, + statement_cache_size=3) as pool: + + await asyncio.gather(*[test(pool) for _ in range(N)]) + + self.assertEqual(len(cons), N) + + async def test_pool_release_in_xact(self): + """Test that Connection.reset() closes any open transaction.""" + async with self.create_pool(database='postgres', + min_size=1, max_size=1) as pool: + async def get_xact_id(con): + return await con.fetchval('select txid_current()') + + with self.assertLoopErrorHandlerCalled('an active transaction'): + async with pool.acquire() as con: + real_con = con._con # unwrap PoolConnectionProxy + + id1 = await get_xact_id(con) + + tr = con.transaction() + self.assertIsNone(con._con._top_xact) + await tr.start() + self.assertIs(real_con._top_xact, tr) + + id2 = await get_xact_id(con) + self.assertNotEqual(id1, id2) + + self.assertIsNone(real_con._top_xact) + + async with pool.acquire() as con: + self.assertIs(con._con, real_con) + self.assertIsNone(con._con._top_xact) + id3 = await get_xact_id(con) + self.assertNotEqual(id2, id3) + + async def test_pool_connection_methods(self): + async def test_fetch(pool): + i = random.randint(0, 20) + await asyncio.sleep(random.random() / 100) + r = await pool.fetch('SELECT {}::int'.format(i)) + self.assertEqual(r, [(i,)]) + return 1 + + async def test_fetchrow(pool): + i = random.randint(0, 20) + await asyncio.sleep(random.random() / 100) + r = await pool.fetchrow('SELECT {}::int'.format(i)) + self.assertEqual(r, (i,)) + return 1 + + async def test_fetchval(pool): + i = random.randint(0, 20) + await asyncio.sleep(random.random() / 100) + r = await pool.fetchval('SELECT {}::int'.format(i)) + self.assertEqual(r, i) + return 1 + + async def test_execute(pool): + await asyncio.sleep(random.random() / 100) + r = await pool.execute('SELECT generate_series(0, 10)') + self.assertEqual(r, 'SELECT {}'.format(11)) + return 1 + + async def test_execute_with_arg(pool): + i = random.randint(0, 20) + await asyncio.sleep(random.random() / 100) + r = await pool.execute('SELECT generate_series(0, $1)', i) + self.assertEqual(r, 'SELECT {}'.format(i + 1)) + return 1 + + async def run(N, meth): + async with self.create_pool(database='postgres', + min_size=5, max_size=10) as pool: + + coros = [meth(pool) for _ in range(N)] + res = await asyncio.gather(*coros) + self.assertEqual(res, [1] * N) + + methods = [test_fetch, test_fetchrow, test_fetchval, + test_execute, test_execute_with_arg] + + with tb.silence_asyncio_long_exec_warning(): + for method in methods: + with self.subTest(method=method.__name__): + await run(200, method) + + async def test_pool_connection_execute_many(self): + async def worker(pool): + await asyncio.sleep(random.random() / 100) + await pool.executemany(''' + INSERT INTO exmany VALUES($1, $2) + ''', [ + ('a', 1), ('b', 2), ('c', 3), ('d', 4) + ]) + return 1 + + N = 200 + + async with self.create_pool(database='postgres', + min_size=5, max_size=10) as pool: + + await pool.execute('CREATE TABLE exmany (a text, b int)') + try: + + coros = [worker(pool) for _ in range(N)] + res = await asyncio.gather(*coros) + self.assertEqual(res, [1] * N) + + n_rows = await pool.fetchval('SELECT count(*) FROM exmany') + self.assertEqual(n_rows, N * 4) + + finally: + await pool.execute('DROP TABLE exmany') + + async def test_pool_max_inactive_time_01(self): + async with self.create_pool( + database='postgres', min_size=1, max_size=1, + max_inactive_connection_lifetime=0.1) as pool: + + # Test that it's OK if a query takes longer time to execute + # than `max_inactive_connection_lifetime`. + + con = pool._holders[0]._con + + for _ in range(3): + await pool.execute('SELECT pg_sleep(0.5)') + self.assertIs(pool._holders[0]._con, con) + + self.assertEqual( + await pool.execute('SELECT 1::int'), + 'SELECT 1') + self.assertIs(pool._holders[0]._con, con) + + async def test_pool_max_inactive_time_02(self): + async with self.create_pool( + database='postgres', min_size=1, max_size=1, + max_inactive_connection_lifetime=0.5) as pool: + + # Test that we have a new connection after pool not + # being used longer than `max_inactive_connection_lifetime`. + + con = pool._holders[0]._con + + self.assertEqual( + await pool.execute('SELECT 1::int'), + 'SELECT 1') + self.assertIs(pool._holders[0]._con, con) + + await asyncio.sleep(1) + self.assertIs(pool._holders[0]._con, None) + + self.assertEqual( + await pool.execute('SELECT 1::int'), + 'SELECT 1') + self.assertIsNot(pool._holders[0]._con, con) + + async def test_pool_max_inactive_time_03(self): + async with self.create_pool( + database='postgres', min_size=1, max_size=1, + max_inactive_connection_lifetime=1) as pool: + + # Test that we start counting inactive time *after* + # the connection is being released back to the pool. + + con = pool._holders[0]._con + + await pool.execute('SELECT pg_sleep(0.5)') + await asyncio.sleep(0.6) + + self.assertIs(pool._holders[0]._con, con) + + self.assertEqual( + await pool.execute('SELECT 1::int'), + 'SELECT 1') + self.assertIs(pool._holders[0]._con, con) + + async def test_pool_max_inactive_time_04(self): + # Chaos test for max_inactive_connection_lifetime. + DURATION = 2.0 + START = time.monotonic() + N = 0 + + async def worker(pool): + nonlocal N + await asyncio.sleep(random.random() / 10 + 0.1) + async with pool.acquire() as con: + if random.random() > 0.5: + await con.execute('SELECT pg_sleep({:.2f})'.format( + random.random() / 10)) + self.assertEqual( + await con.fetchval('SELECT 42::int'), + 42) + + if time.monotonic() - START < DURATION: + await worker(pool) + + N += 1 + + async with self.create_pool( + database='postgres', min_size=10, max_size=30, + max_inactive_connection_lifetime=0.1) as pool: + + workers = [worker(pool) for _ in range(50)] + await asyncio.gather(*workers) + + self.assertGreaterEqual(N, 50) + + async def test_pool_max_inactive_time_05(self): + # Test that idle never-acquired connections abide by + # the max inactive lifetime. + async with self.create_pool( + database='postgres', min_size=2, max_size=2, + max_inactive_connection_lifetime=0.2) as pool: + + self.assertIsNotNone(pool._holders[0]._con) + self.assertIsNotNone(pool._holders[1]._con) + + await pool.execute('SELECT pg_sleep(0.3)') + await asyncio.sleep(0.3) + + self.assertIs(pool._holders[0]._con, None) + # The connection in the second holder was never used, + # but should be closed nonetheless. + self.assertIs(pool._holders[1]._con, None) + + async def test_pool_handles_inactive_connection_errors(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire(timeout=POOL_NOMINAL_TIMEOUT) + + true_con = con._con + + await pool.release(con) + + # we simulate network error by terminating the connection + true_con.terminate() + + # now pool should reopen terminated connection + async with pool.acquire(timeout=POOL_NOMINAL_TIMEOUT) as con: + self.assertEqual(await con.fetchval('SELECT 1'), 1) + await con.close() + + await pool.close() + + @unittest.skipIf(sys.version_info[:2] < (3, 6), 'no asyncgen support') + async def test_pool_handles_transaction_exit_in_asyncgen_1(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + locals_ = {} + exec(textwrap.dedent('''\ + async def iterate(con): + async with con.transaction(): + for record in await con.fetch("SELECT 1"): + yield record + '''), globals(), locals_) + iterate = locals_['iterate'] + + class MyException(Exception): + pass + + with self.assertRaises(MyException): + async with pool.acquire() as con: + async for _ in iterate(con): # noqa + raise MyException() + + @unittest.skipIf(sys.version_info[:2] < (3, 6), 'no asyncgen support') + async def test_pool_handles_transaction_exit_in_asyncgen_2(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + locals_ = {} + exec(textwrap.dedent('''\ + async def iterate(con): + async with con.transaction(): + for record in await con.fetch("SELECT 1"): + yield record + '''), globals(), locals_) + iterate = locals_['iterate'] + + class MyException(Exception): + pass + + with self.assertRaises(MyException): + async with pool.acquire() as con: + iterator = iterate(con) + async for _ in iterator: # noqa + raise MyException() + + del iterator + + @unittest.skipIf(sys.version_info[:2] < (3, 6), 'no asyncgen support') + async def test_pool_handles_asyncgen_finalization(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + locals_ = {} + exec(textwrap.dedent('''\ + async def iterate(con): + for record in await con.fetch("SELECT 1"): + yield record + '''), globals(), locals_) + iterate = locals_['iterate'] + + class MyException(Exception): + pass + + with self.assertRaises(MyException): + async with pool.acquire() as con: + async with con.transaction(): + async for _ in iterate(con): # noqa + raise MyException() + + async def test_pool_close_waits_for_release(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + flag = self.loop.create_future() + conn_released = False + + async def worker(): + nonlocal conn_released + + async with pool.acquire() as connection: + async with connection.transaction(): + flag.set_result(True) + await asyncio.sleep(0.1) + + conn_released = True + + self.loop.create_task(worker()) + + await flag + await pool.close() + self.assertTrue(conn_released) + + async def test_pool_close_timeout(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + flag = self.loop.create_future() + + async def worker(): + async with pool.acquire(): + flag.set_result(True) + await asyncio.sleep(0.5) + + task = self.loop.create_task(worker()) + + with self.assertRaises(asyncio.TimeoutError): + await flag + await asyncio.wait_for(pool.close(), timeout=0.1) + + await task + + async def test_pool_expire_connections(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + con = await pool.acquire() + try: + await pool.expire_connections() + finally: + await pool.release(con) + + self.assertIsNone(pool._holders[0]._con) + + async def test_pool_set_connection_args(self): + pool = await self.create_pool(database='postgres', + min_size=1, max_size=1) + + # Test that connection is expired on release. + con = await pool.acquire() + connspec = self.get_connection_spec() + try: + connspec['server_settings']['application_name'] = \ + 'set_conn_args_test' + except KeyError: + connspec['server_settings'] = { + 'application_name': 'set_conn_args_test' + } + + pool.set_connect_args(**connspec) + await pool.expire_connections() + await pool.release(con) + + con = await pool.acquire() + self.assertEqual(con.get_settings().application_name, + 'set_conn_args_test') + await pool.release(con) + + # Test that connection is expired before acquire. + connspec = self.get_connection_spec() + try: + connspec['server_settings']['application_name'] = \ + 'set_conn_args_test' + except KeyError: + connspec['server_settings'] = { + 'application_name': 'set_conn_args_test_2' + } + + pool.set_connect_args(**connspec) + await pool.expire_connections() + + con = await pool.acquire() + self.assertEqual(con.get_settings().application_name, + 'set_conn_args_test_2') + + async def test_pool_init_race(self): + pool = self.create_pool(database='postgres', min_size=1, max_size=1) + + t1 = asyncio.ensure_future(pool) + t2 = asyncio.ensure_future(pool) + + await t1 + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'pool is being initialized in another task'): + await t2 + + await pool.close() + + async def test_pool_init_and_use_race(self): + pool = self.create_pool(database='postgres', min_size=1, max_size=1) + + pool_task = asyncio.ensure_future(pool) + await asyncio.sleep(0) + + with self.assertRaisesRegex( + asyncpg.InterfaceError, + r'being initialized, but not yet ready'): + + await pool.fetchval('SELECT 1') + + await pool_task + await pool.close() + + async def test_pool_remote_close(self): + pool = await self.create_pool(min_size=1, max_size=1) + backend_pid_fut = self.loop.create_future() + + async def worker(): + async with pool.acquire() as conn: + pool_backend_pid = await conn.fetchval( + 'SELECT pg_backend_pid()') + backend_pid_fut.set_result(pool_backend_pid) + await asyncio.sleep(0.2) + + task = self.loop.create_task(worker()) + try: + conn = await self.connect() + backend_pid = await backend_pid_fut + await conn.execute('SELECT pg_terminate_backend($1)', backend_pid) + finally: + await conn.close() + + await task + + # Check that connection_lost has released the pool holder. + conn = await pool.acquire(timeout=0.1) + await pool.release(conn) + + +@unittest.skipIf(os.environ.get('PGHOST'), 'using remote cluster for testing') +class TestHotStandby(tb.ClusterTestCase): + @classmethod + def setup_cluster(cls): + cls.master_cluster = cls.new_cluster(pg_cluster.TempCluster) + cls.start_cluster( + cls.master_cluster, + server_settings={ + 'max_wal_senders': 10, + 'wal_level': 'hot_standby' + } + ) + + con = None + + try: + con = cls.loop.run_until_complete( + cls.master_cluster.connect( + database='postgres', user='postgres', loop=cls.loop)) + + cls.loop.run_until_complete( + con.execute(''' + CREATE ROLE replication WITH LOGIN REPLICATION + ''')) + + cls.master_cluster.trust_local_replication_by('replication') + + conn_spec = cls.master_cluster.get_connection_spec() + + cls.standby_cluster = cls.new_cluster( + pg_cluster.HotStandbyCluster, + cluster_kwargs={ + 'master': conn_spec, + 'replication_user': 'replication' + } + ) + cls.start_cluster( + cls.standby_cluster, + server_settings={ + 'hot_standby': True + } + ) + + finally: + if con is not None: + cls.loop.run_until_complete(con.close()) + + def create_pool(self, **kwargs): + conn_spec = self.standby_cluster.get_connection_spec() + conn_spec.update(kwargs) + return pg_pool.create_pool(loop=self.loop, **conn_spec) + + async def test_standby_pool_01(self): + for n in {1, 3, 5, 10, 20, 100}: + with self.subTest(tasksnum=n): + pool = await self.create_pool( + database='postgres', user='postgres', + min_size=5, max_size=10) + + async def worker(): + con = await pool.acquire() + self.assertEqual(await con.fetchval('SELECT 1'), 1) + await pool.release(con) + + tasks = [worker() for _ in range(n)] + await asyncio.gather(*tasks) + await pool.close() + + async def test_standby_cursors(self): + con = await self.standby_cluster.connect( + database='postgres', user='postgres', loop=self.loop) + + try: + async with con.transaction(): + cursor = await con.cursor('SELECT 1') + self.assertEqual(await cursor.fetchrow(), (1,)) + finally: + await con.close() diff --git a/tests/test_prepare.py b/tests/test_prepare.py new file mode 100644 index 0000000..c441b45 --- /dev/null +++ b/tests/test_prepare.py @@ -0,0 +1,602 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import asyncpg +import gc +import unittest + +from asyncpg import _testbase as tb +from asyncpg import exceptions + + +class TestPrepare(tb.ConnectedTestCase): + + async def test_prepare_01(self): + self.assertEqual(self.con._protocol.queries_count, 0) + st = await self.con.prepare('SELECT 1 = $1 AS test') + self.assertEqual(self.con._protocol.queries_count, 0) + self.assertEqual(st.get_query(), 'SELECT 1 = $1 AS test') + + rec = await st.fetchrow(1) + self.assertEqual(self.con._protocol.queries_count, 1) + self.assertTrue(rec['test']) + self.assertEqual(len(rec), 1) + + self.assertEqual(False, await st.fetchval(10)) + self.assertEqual(self.con._protocol.queries_count, 2) + + async def test_prepare_02(self): + with self.assertRaisesRegex(Exception, 'column "a" does not exist'): + await self.con.prepare('SELECT a') + + async def test_prepare_03(self): + cases = [ + ('text', ("'NULL'", 'NULL'), [ + 'aaa', + None + ]), + + ('decimal', ('0', 0), [ + 123, + 123.5, + None + ]) + ] + + for type, (none_name, none_val), vals in cases: + st = await self.con.prepare(''' + SELECT CASE WHEN $1::{type} IS NULL THEN {default} + ELSE $1::{type} END'''.format( + type=type, default=none_name)) + + for val in vals: + with self.subTest(type=type, value=val): + res = await st.fetchval(val) + if val is None: + self.assertEqual(res, none_val) + else: + self.assertEqual(res, val) + + async def test_prepare_04(self): + s = await self.con.prepare('SELECT $1::smallint') + self.assertEqual(await s.fetchval(10), 10) + + s = await self.con.prepare('SELECT $1::smallint * 2') + self.assertEqual(await s.fetchval(10), 20) + + s = await self.con.prepare('SELECT generate_series(5,10)') + self.assertEqual(await s.fetchval(), 5) + # Since the "execute" message was sent with a limit=1, + # we will receive a PortalSuspended message, instead of + # CommandComplete. Which means there will be no status + # message set. + self.assertIsNone(s.get_statusmsg()) + # Repeat the same test for 'fetchrow()'. + self.assertEqual(await s.fetchrow(), (5,)) + self.assertIsNone(s.get_statusmsg()) + + async def test_prepare_05_unknownoid(self): + s = await self.con.prepare("SELECT 'test'") + self.assertEqual(await s.fetchval(), 'test') + + async def test_prepare_06_interrupted_close(self): + stmt = await self.con.prepare('''SELECT pg_sleep(10)''') + fut = self.loop.create_task(stmt.fetch()) + + await asyncio.sleep(0.2) + + self.assertFalse(self.con.is_closed()) + await self.con.close() + self.assertTrue(self.con.is_closed()) + + with self.assertRaises(asyncpg.QueryCanceledError): + await fut + + # Test that it's OK to call close again + await self.con.close() + + async def test_prepare_07_interrupted_terminate(self): + stmt = await self.con.prepare('''SELECT pg_sleep(10)''') + fut = self.loop.create_task(stmt.fetchval()) + + await asyncio.sleep(0.2) + + self.assertFalse(self.con.is_closed()) + self.con.terminate() + self.assertTrue(self.con.is_closed()) + + with self.assertRaisesRegex(asyncpg.ConnectionDoesNotExistError, + 'closed in the middle'): + await fut + + # Test that it's OK to call terminate again + self.con.terminate() + + async def test_prepare_08_big_result(self): + stmt = await self.con.prepare('select generate_series(0,10000)') + result = await stmt.fetch() + + self.assertEqual(len(result), 10001) + self.assertEqual( + [r[0] for r in result], + list(range(10001))) + + async def test_prepare_09_raise_error(self): + # Stress test ReadBuffer.read_cstr() + msg = '0' * 1024 * 100 + query = """ + DO language plpgsql $$ + BEGIN + RAISE EXCEPTION '{}'; + END + $$;""".format(msg) + + stmt = await self.con.prepare(query) + with self.assertRaisesRegex(asyncpg.RaiseError, msg): + with tb.silence_asyncio_long_exec_warning(): + await stmt.fetchval() + + async def test_prepare_10_stmt_lru(self): + cache = self.con._stmt_cache + + query = 'select {}' + cache_max = cache.get_max_size() + iter_max = cache_max * 2 + 11 + + # First, we have no cached statements. + self.assertEqual(len(cache), 0) + + stmts = [] + for i in range(iter_max): + s = await self.con._prepare(query.format(i), use_cache=True) + self.assertEqual(await s.fetchval(), i) + stmts.append(s) + + # At this point our cache should be full. + self.assertEqual(len(cache), cache_max) + self.assertTrue(all(not s.closed for s in cache.iter_statements())) + + # Since there are references to the statements (`stmts` list), + # no statements are scheduled to be closed. + self.assertEqual(len(self.con._stmts_to_close), 0) + + # Removing refs to statements and preparing a new statement + # will cause connection to cleanup any stale statements. + stmts.clear() + gc.collect() + + # Now we have a bunch of statements that have no refs to them + # scheduled to be closed. + self.assertEqual(len(self.con._stmts_to_close), iter_max - cache_max) + self.assertTrue(all(s.closed for s in self.con._stmts_to_close)) + self.assertTrue(all(not s.closed for s in cache.iter_statements())) + + zero = await self.con.prepare(query.format(0)) + # Hence, all stale statements should be closed now. + self.assertEqual(len(self.con._stmts_to_close), 0) + + # The number of cached statements will stay the same though. + self.assertEqual(len(cache), cache_max) + self.assertTrue(all(not s.closed for s in cache.iter_statements())) + + # After closing all statements will be closed. + await self.con.close() + self.assertEqual(len(self.con._stmts_to_close), 0) + self.assertEqual(len(cache), 0) + + # An attempt to perform an operation on a closed statement + # will trigger an error. + with self.assertRaisesRegex(asyncpg.InterfaceError, 'is closed'): + await zero.fetchval() + + async def test_prepare_11_stmt_gc(self): + # Test that prepared statements should stay in the cache after + # they are GCed. + + cache = self.con._stmt_cache + + # First, we have no cached statements. + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 0) + + # The prepared statement that we'll create will be GCed + # right await. However, its state should be still in + # in the statements LRU cache. + await self.con._prepare('select 1', use_cache=True) + gc.collect() + + self.assertEqual(len(cache), 1) + self.assertEqual(len(self.con._stmts_to_close), 0) + + async def test_prepare_12_stmt_gc(self): + # Test that prepared statements are closed when there is no space + # for them in the LRU cache and there are no references to them. + + cache = self.con._stmt_cache + cache_max = cache.get_max_size() + + # First, we have no cached statements. + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 0) + + stmt = await self.con._prepare('select 100000000', use_cache=True) + self.assertEqual(len(cache), 1) + self.assertEqual(len(self.con._stmts_to_close), 0) + + for i in range(cache_max): + await self.con._prepare('select {}'.format(i), use_cache=True) + + self.assertEqual(len(cache), cache_max) + self.assertEqual(len(self.con._stmts_to_close), 0) + + del stmt + gc.collect() + + self.assertEqual(len(cache), cache_max) + self.assertEqual(len(self.con._stmts_to_close), 1) + + async def test_prepare_13_connect(self): + v = await self.con.fetchval( + 'SELECT $1::smallint AS foo', 10, column='foo') + self.assertEqual(v, 10) + + r = await self.con.fetchrow('SELECT $1::smallint * 2 AS test', 10) + self.assertEqual(r['test'], 20) + + rows = await self.con.fetch('SELECT generate_series(0,$1::int)', 3) + self.assertEqual([r[0] for r in rows], [0, 1, 2, 3]) + + async def test_prepare_14_explain(self): + # Test simple EXPLAIN. + stmt = await self.con.prepare('SELECT typname FROM pg_type') + plan = await stmt.explain() + self.assertEqual(plan[0]['Plan']['Relation Name'], 'pg_type') + + # Test "EXPLAIN ANALYZE". + stmt = await self.con.prepare( + 'SELECT typname, typlen FROM pg_type WHERE typlen > $1') + plan = await stmt.explain(2, analyze=True) + self.assertEqual(plan[0]['Plan']['Relation Name'], 'pg_type') + self.assertIn('Actual Total Time', plan[0]['Plan']) + + # Test that 'EXPLAIN ANALYZE' is executed in a transaction + # that gets rollbacked. + tr = self.con.transaction() + await tr.start() + try: + await self.con.execute('CREATE TABLE mytab (a int)') + stmt = await self.con.prepare( + 'INSERT INTO mytab (a) VALUES (1), (2)') + plan = await stmt.explain(analyze=True) + self.assertEqual(plan[0]['Plan']['Operation'], 'Insert') + + # Check that no data was inserted + res = await self.con.fetch('SELECT * FROM mytab') + self.assertEqual(res, []) + finally: + await tr.rollback() + + async def test_prepare_15_stmt_gc_cache_disabled(self): + # Test that even if the statements cache is off, we're still + # cleaning up GCed statements. + + cache = self.con._stmt_cache + + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 0) + + # Disable cache + cache.set_max_size(0) + + stmt = await self.con._prepare('select 100000000', use_cache=True) + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 0) + + del stmt + gc.collect() + + # After GC, _stmts_to_close should contain stmt's state + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 1) + + # Next "prepare" call will trigger a cleanup + stmt = await self.con._prepare('select 1', use_cache=True) + self.assertEqual(len(cache), 0) + self.assertEqual(len(self.con._stmts_to_close), 0) + + del stmt + + async def test_prepare_16_command_result(self): + async def status(query): + stmt = await self.con.prepare(query) + await stmt.fetch() + return stmt.get_statusmsg() + + try: + self.assertEqual( + await status('CREATE TABLE mytab (a int)'), + 'CREATE TABLE') + + self.assertEqual( + await status('INSERT INTO mytab (a) VALUES (1), (2)'), + 'INSERT 0 2') + + self.assertEqual( + await status('SELECT a FROM mytab'), + 'SELECT 2') + + self.assertEqual( + await status('UPDATE mytab SET a = 3 WHERE a = 1'), + 'UPDATE 1') + finally: + self.assertEqual( + await status('DROP TABLE mytab'), + 'DROP TABLE') + + async def test_prepare_17_stmt_closed_lru(self): + st = await self.con.prepare('SELECT 1') + st._state.mark_closed() + with self.assertRaisesRegex(asyncpg.InterfaceError, 'is closed'): + await st.fetch() + + st = await self.con.prepare('SELECT 1') + self.assertEqual(await st.fetchval(), 1) + + async def test_prepare_18_empty_result(self): + # test EmptyQueryResponse protocol message + st = await self.con.prepare('') + self.assertEqual(await st.fetch(), []) + self.assertIsNone(await st.fetchval()) + self.assertIsNone(await st.fetchrow()) + + self.assertEqual(await self.con.fetch(''), []) + self.assertIsNone(await self.con.fetchval('')) + self.assertIsNone(await self.con.fetchrow('')) + + async def test_prepare_19_concurrent_calls(self): + st = self.loop.create_task(self.con.fetchval( + 'SELECT ROW(pg_sleep(0.1), 1)')) + + # Wait for some time to make sure the first query is fully + # prepared (!) and is now awaiting the results (!!). + await asyncio.sleep(0.01) + + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'another operation'): + await self.con.execute('SELECT 2') + + self.assertEqual(await st, (None, 1)) + + async def test_prepare_20_concurrent_calls(self): + expected = ((None, 1),) + + for methname, val in [('fetch', [expected]), + ('fetchval', expected[0]), + ('fetchrow', expected)]: + + with self.subTest(meth=methname): + + meth = getattr(self.con, methname) + + vf = self.loop.create_task( + meth('SELECT ROW(pg_sleep(0.1), 1)')) + + await asyncio.sleep(0.01) + + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'another operation'): + await meth('SELECT 2') + + self.assertEqual(await vf, val) + + async def test_prepare_21_errors(self): + stmt = await self.con.prepare('SELECT 10 / $1::int') + + with self.assertRaises(asyncpg.DivisionByZeroError): + await stmt.fetchval(0) + + self.assertEqual(await stmt.fetchval(5), 2) + + async def test_prepare_22_empty(self): + # Support for empty target list was added in PostgreSQL 9.4 + if self.server_version < (9, 4): + raise unittest.SkipTest( + 'PostgreSQL servers < 9.4 do not support empty target list.') + + result = await self.con.fetchrow('SELECT') + self.assertEqual(result, ()) + self.assertEqual(repr(result), '') + + async def test_prepare_statement_invalid(self): + await self.con.execute('CREATE TABLE tab1(a int, b int)') + + try: + await self.con.execute('INSERT INTO tab1 VALUES (1, 2)') + + stmt = await self.con.prepare('SELECT * FROM tab1') + + await self.con.execute( + 'ALTER TABLE tab1 ALTER COLUMN b SET DATA TYPE text') + + with self.assertRaisesRegex(asyncpg.InvalidCachedStatementError, + 'cached statement plan is invalid'): + await stmt.fetchrow() + + finally: + await self.con.execute('DROP TABLE tab1') + + @tb.with_connection_options(statement_cache_size=0) + async def test_prepare_23_no_stmt_cache_seq(self): + self.assertEqual(self.con._stmt_cache.get_max_size(), 0) + + async def check_simple(): + # Run a simple query a few times. + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + self.assertEqual(await self.con.fetchval('SELECT 2'), 2) + self.assertEqual(await self.con.fetchval('SELECT 1'), 1) + + await check_simple() + + # Run a query that timeouts. + with self.assertRaises(asyncio.TimeoutError): + await self.con.fetchrow('select pg_sleep(10)', timeout=0.02) + + # Check that we can run new queries after a timeout. + await check_simple() + + # Try a cursor/timeout combination. Cursors should always use + # named prepared statements. + async with self.con.transaction(): + with self.assertRaises(asyncio.TimeoutError): + async for _ in self.con.cursor( # NOQA + 'select pg_sleep(10)', timeout=0.1): + pass + + # Check that we can run queries after a failed cursor + # operation. + await check_simple() + + @tb.with_connection_options(max_cached_statement_lifetime=142) + async def test_prepare_24_max_lifetime(self): + cache = self.con._stmt_cache + + self.assertEqual(cache.get_max_lifetime(), 142) + cache.set_max_lifetime(1) + + s = await self.con._prepare('SELECT 1', use_cache=True) + state = s._state + + s = await self.con._prepare('SELECT 1', use_cache=True) + self.assertIs(s._state, state) + + s = await self.con._prepare('SELECT 1', use_cache=True) + self.assertIs(s._state, state) + + await asyncio.sleep(1) + + s = await self.con._prepare('SELECT 1', use_cache=True) + self.assertIsNot(s._state, state) + + @tb.with_connection_options(max_cached_statement_lifetime=0.5) + async def test_prepare_25_max_lifetime_reset(self): + cache = self.con._stmt_cache + + s = await self.con._prepare('SELECT 1', use_cache=True) + state = s._state + + # Disable max_lifetime + cache.set_max_lifetime(0) + + await asyncio.sleep(1) + + # The statement should still be cached (as we disabled the timeout). + s = await self.con._prepare('SELECT 1', use_cache=True) + self.assertIs(s._state, state) + + @tb.with_connection_options(max_cached_statement_lifetime=0.5) + async def test_prepare_26_max_lifetime_max_size(self): + cache = self.con._stmt_cache + + s = await self.con._prepare('SELECT 1', use_cache=True) + state = s._state + + # Disable max_lifetime + cache.set_max_size(0) + + s = await self.con._prepare('SELECT 1', use_cache=True) + self.assertIsNot(s._state, state) + + # Check that nothing crashes after the initial timeout + await asyncio.sleep(1) + + @tb.with_connection_options(max_cacheable_statement_size=50) + async def test_prepare_27_max_cacheable_statement_size(self): + cache = self.con._stmt_cache + + await self.con._prepare('SELECT 1', use_cache=True) + self.assertEqual(len(cache), 1) + + # Test that long and explicitly created prepared statements + # are not cached. + await self.con._prepare("SELECT \'" + "a" * 50 + "\'", use_cache=True) + self.assertEqual(len(cache), 1) + + # Test that implicitly created long prepared statements + # are not cached. + await self.con.fetchval("SELECT \'" + "a" * 50 + "\'") + self.assertEqual(len(cache), 1) + + # Test that short prepared statements can still be cached. + await self.con._prepare('SELECT 2', use_cache=True) + self.assertEqual(len(cache), 2) + + async def test_prepare_28_max_args(self): + N = 32768 + args = ','.join('${}'.format(i) for i in range(1, N + 1)) + query = 'SELECT ARRAY[{}]'.format(args) + + with self.assertRaisesRegex( + exceptions.InterfaceError, + 'the number of query arguments cannot exceed 32767'): + await self.con.fetchval(query, *range(1, N + 1)) + + async def test_prepare_29_duplicates(self): + # In addition to test_record.py, let's have a full functional + # test for records with duplicate keys. + r = await self.con.fetchrow('SELECT 1 as a, 2 as b, 3 as a') + self.assertEqual(list(r.items()), [('a', 1), ('b', 2), ('a', 3)]) + self.assertEqual(list(r.keys()), ['a', 'b', 'a']) + self.assertEqual(list(r.values()), [1, 2, 3]) + self.assertEqual(r['a'], 3) + self.assertEqual(r['b'], 2) + self.assertEqual(r[0], 1) + self.assertEqual(r[1], 2) + self.assertEqual(r[2], 3) + + async def test_prepare_30_invalid_arg_count(self): + with self.assertRaisesRegex( + exceptions.InterfaceError, + 'the server expects 1 argument for this query, 0 were passed'): + await self.con.fetchval('SELECT $1::int') + + with self.assertRaisesRegex( + exceptions.InterfaceError, + 'the server expects 0 arguments for this query, 1 was passed'): + await self.con.fetchval('SELECT 1', 1) + + async def test_prepare_31_pgbouncer_note(self): + try: + await self.con.execute(""" + DO $$ BEGIN + RAISE EXCEPTION + 'duplicate statement' USING ERRCODE = '42P05'; + END; $$ LANGUAGE plpgsql; + """) + except asyncpg.DuplicatePreparedStatementError as e: + self.assertTrue('pgbouncer' in e.hint) + else: + self.fail('DuplicatePreparedStatementError not raised') + + try: + await self.con.execute(""" + DO $$ BEGIN + RAISE EXCEPTION + 'invalid statement' USING ERRCODE = '26000'; + END; $$ LANGUAGE plpgsql; + """) + except asyncpg.InvalidSQLStatementNameError as e: + self.assertTrue('pgbouncer' in e.hint) + else: + self.fail('InvalidSQLStatementNameError not raised') + + async def test_prepare_does_not_use_cache(self): + cache = self.con._stmt_cache + + # prepare with disabled cache + await self.con.prepare('select 1') + self.assertEqual(len(cache), 0) diff --git a/tests/test_record.py b/tests/test_record.py new file mode 100644 index 0000000..e9abab4 --- /dev/null +++ b/tests/test_record.py @@ -0,0 +1,341 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import contextlib +import collections +import gc +import pickle +import sys + +import asyncpg +from asyncpg import _testbase as tb +from asyncpg.protocol.protocol import _create_record as Record + + +R_A = collections.OrderedDict([('a', 0)]) +R_AB = collections.OrderedDict([('a', 0), ('b', 1)]) +R_AC = collections.OrderedDict([('a', 0), ('c', 1)]) +R_ABC = collections.OrderedDict([('a', 0), ('b', 1), ('c', 2)]) + + +class TestRecord(tb.ConnectedTestCase): + + @contextlib.contextmanager + def checkref(self, *objs): + cnt = [sys.getrefcount(objs[i]) for i in range(len(objs))] + yield + for _ in range(3): + gc.collect() + for i in range(len(objs)): + before = cnt[i] + after = sys.getrefcount(objs[i]) + if before != after: + self.fail('refcounts differ for {!r}: {:+}'.format( + objs[i], after - before)) + + def test_record_gc(self): + elem = object() + mapping = {} + with self.checkref(mapping, elem): + r = Record(mapping, (elem,)) + del r + + key = 'spam' + val = int('101010') + mapping = {key: val} + with self.checkref(key, val): + r = Record(mapping, (0,)) + with self.assertRaises(RuntimeError): + r[key] + del r + + key = 'spam' + val = 'ham' + mapping = {key: val} + with self.checkref(key, val): + r = Record(mapping, (0,)) + with self.assertRaises(RuntimeError): + r[key] + del r + + def test_record_freelist_ok(self): + for _ in range(10000): + Record(R_A, (42,)) + Record(R_AB, (42, 42,)) + + def test_record_len_getindex(self): + r = Record(R_A, (42,)) + self.assertEqual(len(r), 1) + self.assertEqual(r[0], 42) + self.assertEqual(r['a'], 42) + + r = Record(R_AB, (42, 43)) + self.assertEqual(len(r), 2) + self.assertEqual(r[0], 42) + self.assertEqual(r[1], 43) + self.assertEqual(r['a'], 42) + self.assertEqual(r['b'], 43) + + with self.assertRaisesRegex(IndexError, + 'record index out of range'): + r[1000] + + with self.assertRaisesRegex(KeyError, 'spam'): + r['spam'] + + with self.assertRaisesRegex(KeyError, 'spam'): + Record(None, (1,))['spam'] + + with self.assertRaisesRegex(RuntimeError, 'invalid record descriptor'): + Record({'spam': 123}, (1,))['spam'] + + def test_record_slice(self): + r = Record(R_ABC, (1, 2, 3)) + self.assertEqual(r[:], (1, 2, 3)) + self.assertEqual(r[:1], (1,)) + self.assertEqual(r[::-1], (3, 2, 1)) + self.assertEqual(r[::-2], (3, 1)) + self.assertEqual(r[1:2], (2,)) + self.assertEqual(r[2:2], ()) + + def test_record_immutable(self): + r = Record(R_A, (42,)) + with self.assertRaisesRegex(TypeError, 'does not support item'): + r[0] = 1 + + def test_record_repr(self): + self.assertEqual( + repr(Record(R_A, (42,))), + '') + + self.assertEqual( + repr(Record(R_AB, (42, -1))), + '') + + # test invalid records just in case + with self.assertRaisesRegex(RuntimeError, 'invalid .* mapping'): + repr(Record(R_A, (42, 43))) + self.assertEqual(repr(Record(R_AB, (42,))), '') + + class Key: + def __str__(self): + 1 / 0 + + def __repr__(self): + 1 / 0 + + with self.assertRaises(ZeroDivisionError): + repr(Record({Key(): 0}, (42,))) + with self.assertRaises(ZeroDivisionError): + repr(Record(R_A, (Key(),))) + + def test_record_iter(self): + r = Record(R_AB, (42, 43)) + with self.checkref(r): + self.assertEqual(iter(r).__length_hint__(), 2) + self.assertEqual(tuple(r), (42, 43)) + + def test_record_values(self): + r = Record(R_AB, (42, 43)) + vv = r.values() + self.assertEqual(tuple(vv), (42, 43)) + self.assertTrue(repr(vv).startswith('') + self.assertEqual(str(r), '') + with self.assertRaisesRegex(KeyError, 'aaa'): + r['aaa'] + self.assertEqual(dict(r.items()), {}) + self.assertEqual(list(r.keys()), []) + self.assertEqual(list(r.values()), []) + + async def test_record_duplicate_colnames(self): + """Test that Record handles duplicate column names.""" + + records_descs = [ + [('a', 1)], + [('a', 1), ('a', 2)], + [('a', 1), ('b', 2), ('a', 3)], + [('a', 1), ('b', 2), ('a', 3), ('c', 4), ('b', 5)], + ] + + for desc in records_descs: + items = collections.OrderedDict(desc) + + query = 'SELECT ' + ', '.join( + ['{} as {}'.format(p[1], p[0]) for p in desc]) + + with self.subTest(query=query): + r = await self.con.fetchrow(query) + for idx, (field, val) in enumerate(desc): + self.assertEqual(r[idx], val) + self.assertEqual(r[field], items[field]) + + expected_repr = ''.format( + ' '.join('{}={}'.format(p[0], p[1]) for p in desc)) + self.assertEqual(repr(r), expected_repr) + + self.assertEqual(list(r.items()), desc) + self.assertEqual(list(r.values()), [p[1] for p in desc]) + self.assertEqual(list(r.keys()), [p[0] for p in desc]) + + async def test_record_isinstance(self): + """Test that Record works with isinstance.""" + r = await self.con.fetchrow('SELECT 1 as a, 2 as b') + self.assertTrue(isinstance(r, asyncpg.Record)) + + async def test_record_no_new(self): + """Instances of Record cannot be directly created.""" + with self.assertRaisesRegex( + TypeError, "cannot create 'asyncpg.Record' instances"): + asyncpg.Record() diff --git a/tests/test_test.py b/tests/test_test.py new file mode 100644 index 0000000..25050aa --- /dev/null +++ b/tests/test_test.py @@ -0,0 +1,46 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio +import types +import unittest + + +from asyncpg import _testbase as tb + + +class BaseSimpleTestCase: + + async def test_tests_zero_error(self): + await asyncio.sleep(0.01) + 1 / 0 + + +class TestTests(unittest.TestCase): + + def test_tests_fail_1(self): + SimpleTestCase = types.new_class('SimpleTestCase', + (BaseSimpleTestCase, tb.TestCase)) + + suite = unittest.TestSuite() + suite.addTest(SimpleTestCase('test_tests_zero_error')) + + result = unittest.TestResult() + suite.run(result) + + self.assertIn('ZeroDivisionError', result.errors[0][1]) + + +class TestHelpers(tb.TestCase): + + async def test_tests_assertLoopErrorHandlerCalled_01(self): + with self.assertRaisesRegex(AssertionError, r'no message.*was logged'): + with self.assertLoopErrorHandlerCalled('aa'): + self.loop.call_exception_handler({'message': 'bb a bb'}) + + with self.assertLoopErrorHandlerCalled('aa'): + self.loop.call_exception_handler({'message': 'bbaabb'}) diff --git a/tests/test_timeout.py b/tests/test_timeout.py new file mode 100644 index 0000000..c2bca63 --- /dev/null +++ b/tests/test_timeout.py @@ -0,0 +1,154 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncio + +import asyncpg +from asyncpg import connection as pg_connection +from asyncpg import _testbase as tb + + +MAX_RUNTIME = 0.5 + + +class TestTimeout(tb.ConnectedTestCase): + + async def test_timeout_01(self): + for methname in {'fetch', 'fetchrow', 'fetchval', 'execute'}: + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + meth = getattr(self.con, methname) + await meth('select pg_sleep(10)', timeout=0.02) + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async def test_timeout_02(self): + st = await self.con.prepare('select pg_sleep(10)') + + for methname in {'fetch', 'fetchrow', 'fetchval'}: + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + meth = getattr(st, methname) + await meth(timeout=0.02) + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async def test_timeout_03(self): + task = self.loop.create_task( + self.con.fetch('select pg_sleep(10)', timeout=0.2)) + await asyncio.sleep(0.05) + task.cancel() + with self.assertRaises(asyncio.CancelledError), \ + self.assertRunUnder(MAX_RUNTIME): + await task + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async def test_timeout_04(self): + st = await self.con.prepare('select pg_sleep(10)', timeout=0.1) + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + async with self.con.transaction(): + async for _ in st.cursor(timeout=0.1): # NOQA + pass + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + st = await self.con.prepare('select pg_sleep(10)', timeout=0.1) + async with self.con.transaction(): + cur = await st.cursor() + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + await cur.fetch(1, timeout=0.1) + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async def test_timeout_05(self): + # Stress-test timeouts - try to trigger a race condition + # between a cancellation request to Postgres and next + # query (SELECT 1) + for _ in range(500): + with self.assertRaises(asyncio.TimeoutError): + await self.con.fetch('SELECT pg_sleep(1)', timeout=1e-10) + self.assertEqual(await self.con.fetch('SELECT 1'), [(1,)]) + + async def test_timeout_06(self): + async with self.con.transaction(): + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + async for _ in self.con.cursor( # NOQA + 'select pg_sleep(10)', timeout=0.1): + pass + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async with self.con.transaction(): + cur = await self.con.cursor('select pg_sleep(10)') + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + await cur.fetch(1, timeout=0.1) + + async with self.con.transaction(): + cur = await self.con.cursor('select pg_sleep(10)') + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + await cur.forward(1, timeout=1e-10) + + async with self.con.transaction(): + cur = await self.con.cursor('select pg_sleep(10)') + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + await cur.fetchrow(timeout=0.1) + + async with self.con.transaction(): + cur = await self.con.cursor('select pg_sleep(10)') + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + await cur.fetchrow(timeout=0.1) + + with self.assertRaises(asyncpg.InFailedSQLTransactionError): + await cur.fetch(1) + + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + async def test_invalid_timeout(self): + for command_timeout in ('a', False, -1): + with self.subTest(command_timeout=command_timeout): + with self.assertRaisesRegex(ValueError, + 'invalid command_timeout'): + await self.connect(command_timeout=command_timeout) + + # Note: negative timeouts are OK for method calls. + for methname in {'fetch', 'fetchrow', 'fetchval', 'execute'}: + for timeout in ('a', False): + with self.subTest(timeout=timeout): + with self.assertRaisesRegex(ValueError, 'invalid timeout'): + await self.con.execute('SELECT 1', timeout=timeout) + + +class TestConnectionCommandTimeout(tb.ConnectedTestCase): + + @tb.with_connection_options(command_timeout=0.2) + async def test_command_timeout_01(self): + for methname in {'fetch', 'fetchrow', 'fetchval', 'execute'}: + with self.assertRaises(asyncio.TimeoutError), \ + self.assertRunUnder(MAX_RUNTIME): + meth = getattr(self.con, methname) + await meth('select pg_sleep(10)') + self.assertEqual(await self.con.fetch('select 1'), [(1,)]) + + +class SlowPrepareConnection(pg_connection.Connection): + """Connection class to test timeouts.""" + async def _get_statement(self, query, timeout): + await asyncio.sleep(0.3) + return await super()._get_statement(query, timeout) + + +class TestTimeoutCoversPrepare(tb.ConnectedTestCase): + + @tb.with_connection_options(connection_class=SlowPrepareConnection, + command_timeout=0.3) + async def test_timeout_covers_prepare_01(self): + for methname in {'fetch', 'fetchrow', 'fetchval', 'execute'}: + with self.assertRaises(asyncio.TimeoutError): + meth = getattr(self.con, methname) + await meth('select pg_sleep($1)', 0.2) diff --git a/tests/test_transaction.py b/tests/test_transaction.py new file mode 100644 index 0000000..eb2d948 --- /dev/null +++ b/tests/test_transaction.py @@ -0,0 +1,181 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import asyncpg + +from asyncpg import _testbase as tb + + +class TestTransaction(tb.ConnectedTestCase): + + async def test_transaction_regular(self): + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + tr = self.con.transaction() + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + + with self.assertRaises(ZeroDivisionError): + async with tr as with_tr: + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + # We don't return the transaction object from __aenter__, + # to make it harder for people to use '.rollback()' and + # '.commit()' from within an 'async with' block. + self.assertIsNone(with_tr) + + await self.con.execute(''' + CREATE TABLE mytab (a int); + ''') + + 1 / 0 + + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + + with self.assertRaisesRegex(asyncpg.PostgresError, + '"mytab" does not exist'): + await self.con.prepare(''' + SELECT * FROM mytab + ''') + + async def test_transaction_nested(self): + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + + tr = self.con.transaction() + + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + + with self.assertRaises(ZeroDivisionError): + async with tr: + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + await self.con.execute(''' + CREATE TABLE mytab (a int); + ''') + + async with self.con.transaction(): + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + await self.con.execute(''' + INSERT INTO mytab (a) VALUES (1), (2); + ''') + + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + with self.assertRaises(ZeroDivisionError): + in_tr = self.con.transaction() + async with in_tr: + + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + await self.con.execute(''' + INSERT INTO mytab (a) VALUES (3), (4); + ''') + + 1 / 0 + + st = await self.con.prepare('SELECT * FROM mytab;') + + recs = [] + async for rec in st.cursor(): + recs.append(rec) + + self.assertEqual(len(recs), 2) + self.assertEqual(recs[0][0], 1) + self.assertEqual(recs[1][0], 2) + + self.assertIs(self.con._top_xact, tr) + self.assertTrue(self.con.is_in_transaction()) + + 1 / 0 + + self.assertIs(self.con._top_xact, None) + self.assertFalse(self.con.is_in_transaction()) + + with self.assertRaisesRegex(asyncpg.PostgresError, + '"mytab" does not exist'): + await self.con.prepare(''' + SELECT * FROM mytab + ''') + + async def test_transaction_interface_errors(self): + self.assertIsNone(self.con._top_xact) + self.assertFalse(self.con.is_in_transaction()) + + tr = self.con.transaction(readonly=True, isolation='serializable') + with self.assertRaisesRegex(asyncpg.InterfaceError, + 'cannot start; .* already started'): + async with tr: + await tr.start() + + self.assertTrue(repr(tr).startswith( + ' +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +import datetime + +from asyncpg import utils +from asyncpg import _testbase as tb + + +class TestUtils(tb.ConnectedTestCase): + + async def test_mogrify_simple(self): + cases = [ + ('timestamp', + datetime.datetime(2016, 10, 10), + "SELECT '2016-10-10 00:00:00'::timestamp"), + ('int[]', + [[1, 2], [3, 4]], + "SELECT '{{1,2},{3,4}}'::int[]"), + ] + + for typename, data, expected in cases: + with self.subTest(value=data, type=typename): + mogrified = await utils._mogrify( + self.con, 'SELECT $1::{}'.format(typename), [data]) + self.assertEqual(mogrified, expected) + + async def test_mogrify_multiple(self): + mogrified = await utils._mogrify( + self.con, 'SELECT $1::int, $2::int[]', + [1, [2, 3, 4, 5]]) + expected = "SELECT '1'::int, '{2,3,4,5}'::int[]" + self.assertEqual(mogrified, expected) -- 2.30.2