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Fixed #6322 -- Fixed bug in 'ifchanged' template tag where it wasn't resetting itself properly in some cases. Thanks, nedbatchelder

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@7752 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2008-06-26 04:30:06 +00:00
parent 65437a95e1
commit dbde7fc8b0
2 changed files with 6 additions and 4 deletions
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4
django/template/defaulttags.py
View File

@ -162,10 +162,12 @@ class IfChangedNode(Node):
self.nodelist = nodelist
self._last_seen = None
self._varlist = map(Variable, varlist)
self._id = str(id(self))
def render(self, context):
if 'forloop' in context and context['forloop']['first']:
if 'forloop' in context and self._id not in context['forloop']:
self._last_seen = None
context['forloop'][self._id] = 1
try:
if self._varlist:
# Consider multiple parameters. This automatically behaves

6
tests/regressiontests/templates/tests.py
View File

@ -135,8 +135,7 @@ class Templates(unittest.TestCase):
# Quickly check that we aren't accidentally using a name in both
# template and filter tests.
overlapping_names = [name for name in filter_tests if name in
template_tests]
overlapping_names = [name for name in filter_tests if name in template_tests]
assert not overlapping_names, 'Duplicate test name(s): %s' % ', '.join(overlapping_names)
template_tests.update(filter_tests)
@ -159,7 +158,7 @@ class Templates(unittest.TestCase):
# Turn TEMPLATE_DEBUG off, because tests assume that.
old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, False
# Set TEMPLATE_STRING_IF_INVALID to a known string
# Set TEMPLATE_STRING_IF_INVALID to a known string.
old_invalid = settings.TEMPLATE_STRING_IF_INVALID
expected_invalid_str = 'INVALID'
@ -549,6 +548,7 @@ class Templates(unittest.TestCase):
'ifchanged05': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (1, 2, 3)}, '1123123123'),
'ifchanged06': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (2, 2, 2)}, '1222'),
'ifchanged07': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% for y in numy %}{% ifchanged %}{{ y }}{% endifchanged %}{% endfor %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (2, 2, 2), 'numy': (3, 3, 3)}, '1233323332333'),
'ifchanged08': ('{% for data in datalist %}{% for c,d in data %}{% if c %}{% ifchanged %}{{ d }}{% endifchanged %}{% endif %}{% endfor %}{% endfor %}', {'datalist': [[(1, 'a'), (1, 'a'), (0, 'b'), (1, 'c')], [(0, 'a'), (1, 'c'), (1, 'd'), (1, 'd'), (0, 'e')]]}, 'accd'),
# Test one parameter given to ifchanged.
'ifchanged-param01': ('{% for n in num %}{% ifchanged n %}..{% endifchanged %}{{ n }}{% endfor %}', { 'num': (1,2,3) }, '..1..2..3'),