[Python-Dev] Backquote deprecation warning

[Georg Brandl]

Christian Heimes schrieb:
> Hello!
> 
> I'm having a bit of a trouble getting the deprecation warning for
> backquotes `repr` right. Neither the ast_for_* functions in Python/ast.c
> nor the node structures have access to the filename.

On a related note, every time you start a Python interpreter with -3 you
get 8 instances of

warning: callable() not supported in 3.x

They come from copy_reg.py:pickle/constructor. Py3k has a hasattr('__call__')
there. Am I correct that for Py2, that must be

hasattr(object, '__call__') or isinstance(object, types.ClassType)

? Or are there other callable objects without a __call__ method?

Georg

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