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Code Issues 32 Releases Wiki Activity

queryset-refactor: Fixed a bug in Node.negate() for already negated nodes.

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git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6493 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-10-14 02:15:03 +00:00
parent 142e400c5c
commit fdb3209062
1 changed files with 4 additions and 3 deletions
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7
django/utils/tree.py
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@ -80,7 +80,8 @@ class Node(object):
Interpreting the meaning of this negate is up to client code. This Interpreting the meaning of this negate is up to client code. This
method is useful for implementing "not" arrangements. method is useful for implementing "not" arrangements.
""" """
self.children = [NegatedNode(self.children, self.connection)] self.children = [NegatedNode(self.children, self.connection,
old_state=self.negated)]
self.connection = self.default self.connection = self.default
def start_subtree(self, conn_type): def start_subtree(self, conn_type):
@ -117,7 +118,7 @@ class NegatedNode(Node):
A class that indicates the connection type should be negated (whatever that A class that indicates the connection type should be negated (whatever that
means -- it's up to the client) when used by the client code. means -- it's up to the client) when used by the client code.
""" """
def __init__(self, children=None, connection=None): def __init__(self, children=None, connection=None, old_state=True):
super(NegatedNode, self).__init__(children, connection) super(NegatedNode, self).__init__(children, connection)
self.negated = True self.negated = not old_state