Fixed #11753 - Q objects with callables no longer explode on Python 2.4. Thanks, Jeremy Dunck.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11901 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/forms/fields.py

@@ -2,28 +2,19 @@
 Field classes.
 """
 
-import copy
 import datetime
 import os
 import re
 import time
 import urlparse
+from decimal import Decimal, DecimalException
 try:
     from cStringIO import StringIO
 except ImportError:
     from StringIO import StringIO
 
-# Python 2.3 fallbacks
-try:
-    from decimal import Decimal, DecimalException
-except ImportError:
-    from django.utils._decimal import Decimal, DecimalException
-try:
-    set
-except NameError:
-    from sets import Set as set
-
 import django.core.exceptions
+import django.utils.copycompat as copy
 from django.utils.translation import ugettext_lazy as _
 from django.utils.encoding import smart_unicode, smart_str
 

django/forms/forms.py

@@ -2,8 +2,7 @@
 Form classes
 """
 
-from copy import deepcopy
-
+from django.utils.copycompat import deepcopy
 from django.utils.datastructures import SortedDict
 from django.utils.html import conditional_escape
 from django.utils.encoding import StrAndUnicode, smart_unicode, force_unicode

django/forms/widgets.py

@@ -2,12 +2,7 @@
 HTML Widget classes
 """
 
-try:
-    set
-except NameError:
-    from sets import Set as set   # Python 2.3 fallback
-
-import copy
+import django.utils.copycompat as copy
 from itertools import chain
 from django.conf import settings
 from django.utils.datastructures import MultiValueDict, MergeDict