[Modeling-cvs] SF.net SVN: modeling: [980] trunk/ProjectModeling/Modeling/utils.py

[<sbi...@us...>]

Revision: 980
Author:   sbigaret
Date:     2006-02-26 10:04:47 -0800 (Sun, 26 Feb 2006)
ViewCVS:  http://svn.sourceforge.net/modeling/?rev=980&view=rev

Log Message:
-----------
2nd part of the fix for bug #918115

Modified Paths:
--------------
    trunk/ProjectModeling/Modeling/utils.py
Modified: trunk/ProjectModeling/Modeling/utils.py
===================================================================
--- trunk/ProjectModeling/Modeling/utils.py	2006-02-26 17:50:55 UTC (rev 979)
+++ trunk/ProjectModeling/Modeling/utils.py	2006-02-26 18:04:47 UTC (rev 980)
@@ -202,6 +202,10 @@
   substituting the method with a lambda returning the value the original
   method returned.
 
+  This method does nothing under python v2.1 if ZODB is found in the path,
+  because it is incompatible with the extension class, used by classes Entity,
+  Relationship, etc.
+
   Parameters:
 
     anInstance -- the instance to examine
@@ -210,9 +214,14 @@
     
   See also: methods_to_cache()
   """
-  import os
+  import os, sys
   if not os.environ.get('MDL_ENABLE_SIMPLE_METHOD_CACHE', None):
     return
+
+  if sys.version_info < (2,2):
+    import warnings
+    warnings.warn("Cannot cache methods on py2.1 when ZODB is in the python path", RuntimeWarning)
+    return
   from new import instancemethod
   for m in methods_to_cache(anInstance.__class__, exclude):
     try:



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