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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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13
docs/topics/python3.txt
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@ -278,15 +278,13 @@ Iterators
::
class MyIterator(object):
class MyIterator(six.Iterator):
def __iter__(self):
return self # implement some logic here
def __next__(self):
raise StopIteration # implement some logic here
next = __next__ # Python 2 compatibility
Boolean evaluation
~~~~~~~~~~~~~~~~~~
@ -297,7 +295,8 @@ Boolean evaluation
def __bool__(self):
return True # implement some logic here
__nonzero__ = __bool__ # Python 2 compatibility
def __nonzero__(self): # Python 2 compatibility
return type(self).__bool__(self)
Division
~~~~~~~~
@ -309,12 +308,14 @@ Division
def __truediv__(self, other):
return self / other # implement some logic here
__div__ = __truediv__ # Python 2 compatibility
def __div__(self, other): # Python 2 compatibility
return type(self).__truediv__(self, other)
def __itruediv__(self, other):
return self // other # implement some logic here
__idiv__ = __itruediv__ # Python 2 compatibility
def __idiv__(self, other): # Python 2 compatibility
return type(self).__itruediv__(self, other)
.. module: django.utils.six