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Monkey-patch Node.__contains__ to get consistent behavior for docutils 0.5 and 0.6.

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This commit is contained in:
Georg Brandl 2010-05-25 01:05:36 +02:00
parent 8bcf1f4511
commit ecb394a978
1 changed files with 12 additions and 0 deletions
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12
sphinx/util/nodes.py
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@ -124,3 +124,15 @@ nodes.Node._old_traverse = nodes.Node.traverse
nodes.Node._all_traverse = _all_traverse
nodes.Node._fast_traverse = _fast_traverse
nodes.Node.traverse = _new_traverse
# monkey-patch Node.__contains__ to get consistent "in" operator behavior
# across docutils versions
def _new_contains(self, key):
# support both membership test for children and attributes
# (has_key is translated to "in" by 2to3)
if isinstance(key, basestring):
return key in self.attributes
return key in self.children
nodes.Node.__contains__ = _new_contains