xend: The method union_update on a set was renamed to update in Python 2.3

From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/tools/python/xen/xend/XendAPI.py b/tools/python/xen/xend/XendAPI.py
index e61e655bcf63c8305ddeae6eaaddd5fbc01dd4f9..fb39fd87c747e6271792edc003f18790427dd60e 100644 (file)
--- a/tools/python/xen/xend/XendAPI.py
+++ b/tools/python/xen/xend/XendAPI.py
@@ -125,7 +125,11 @@ def event_register(session, reg_classes):
             }
     if not reg_classes:
         reg_classes = classes
-    event_registrations[session]['classes'].union_update(reg_classes)
+    if hasattr(set, 'union_update'):
+        event_registrations[session]['classes'].union_update(reg_classes)
+    else:
+        event_registrations[session]['classes'].update(reg_classes)
+
 
 
 def event_unregister(session, unreg_classes):