Fixed #4607 -- Tweaked checks for features missing in Python 2.3 to not assume

things Python does not guarantee. Patch from SmileyChris.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@5514 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/template/defaulttags.py

@@ -8,8 +8,10 @@ from django.utils.itercompat import groupby
 import sys
 import re
 
-if not hasattr(__builtins__, 'reversed'):
-    # For Python 2.3.
+try:
+    reversed
+except NameError:
+    # Python 2.3 fallback.
     # From http://www.python.org/doc/current/tut/node11.html
     def reversed(data):
         for index in xrange(len(data)-1, -1, -1):