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[1.2.X] Fixed #14158 -- Fixed SelectMultiple._has_changed to not assu…

…me same order of data anymore. Thanks, akaariai and dmoisset.

Backport from trunk (r14887).

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14907 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 49c2f23ec1b35ef2544653c1dfa93ce144160a4e 1 parent 32bf35d
Jannis Leidel jezdez authored
7 django/forms/widgets.py
View
@@ -527,10 +527,9 @@ def _has_changed(self, initial, data):
data = []
if len(initial) != len(data):
return True
- for value1, value2 in zip(initial, data):
- if force_unicode(value1) != force_unicode(value2):
- return True
- return False
+ initial_set = set([force_unicode(value) for value in initial])
+ data_set = set([force_unicode(value) for value in data])
+ return data_set != initial_set
class RadioInput(StrAndUnicode):
"""
1  tests/regressiontests/forms/tests/widgets.py
View
@@ -830,6 +830,7 @@ def get_choices():
self.assertFalse(w._has_changed([1, 2], [u'1', u'2']))
self.assertTrue(w._has_changed([1, 2], [u'1']))
self.assertTrue(w._has_changed([1, 2], [u'1', u'3']))
+ self.assertFalse(w._has_changed([2, 1], [u'1', u'2']))
# Unicode choices are correctly rendered as HTML
self.assertEqual(w.render('nums', ['ŠĐĆŽćžšđ'], choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]), u'<ul>\n<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>\n<li><label><input type="checkbox" name="nums" value="2" /> 2</label></li>\n<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>\n<li><label><input checked="checked" type="checkbox" name="nums" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /> \u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</label></li>\n<li><label><input type="checkbox" name="nums" value="\u0107\u017e\u0161\u0111" /> abc\u0107\u017e\u0161\u0111</label></li>\n</ul>')
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