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Fixed #18963 -- Used a subclass-friendly pattern

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for Python 2 object model compatibility methods.
This commit is contained in:
Aymeric Augustin 2012-11-03 21:43:11 +01:00
parent 973f539ab8
commit fc10418fba
14 changed files with 61 additions and 50 deletions
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12
django/db/models/expressions.py
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@ -62,7 +62,9 @@ class ExpressionNode(tree.Node):
def __truediv__(self, other):
return self._combine(other, self.DIV, False)
__div__ = __truediv__ # Python 2 compatibility
def __div__(self, other): # Python 2 compatibility
return type(self).__truediv__(self, other)
def __mod__(self, other):
return self._combine(other, self.MOD, False)
@ -94,7 +96,9 @@ class ExpressionNode(tree.Node):
def __rtruediv__(self, other):
return self._combine(other, self.DIV, True)
__rdiv__ = __rtruediv__ # Python 2 compatibility
def __rdiv__(self, other): # Python 2 compatibility
return type(self).__rtruediv__(self, other)
def __rmod__(self, other):
return self._combine(other, self.MOD, True)
@ -151,10 +155,10 @@ class DateModifierNode(ExpressionNode):
(A custom function is used in order to preserve six digits of fractional
second information on sqlite, and to format both date and datetime values.)
Note that microsecond comparisons are not well supported with MySQL, since
Note that microsecond comparisons are not well supported with MySQL, since
MySQL does not store microsecond information.
Only adding and subtracting timedeltas is supported, attempts to use other
Only adding and subtracting timedeltas is supported, attempts to use other
operations raise a TypeError.
"""
def __init__(self, children, connector, negated=False):