Joe Amenta <ament...@msu.edu> added the comment:
One such weird corner case:
from collections import Callable
class Spam(object):
def __call__(self):
return self
can_of_spam = Spam()
print callable(can_of_spam) == isinstance(can_of_spam, Callable) # True
del Spam.__call__
can_of_spam.__call__ = lambda can: 'spam'
print callable(can_of_spam) == isinstance(can_of_spam, Callable) # False
Regardless, attached a patch for the new proposed semantics
----------
keywords: +patch
nosy: +joe.amenta
Added file: http://bugs.python.org/file15671/new_callable_semantics.patch
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<http://bugs.python.org/issue7006>
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