[Python-ideas] Fix that broken callable builtin

[Ionel Cristian Mărieș]

Ah, yes, someone else has already made a patch here:
http://bugs.python.org/file39090/callable.diff

This is the issue: http://bugs.python.org/issue23990

Would you add your thoughts there?


Thanks,
-- Ionel Cristian Mărieș, http://blog.ionelmc.ro

On Sat, Apr 18, 2015 at 1:19 AM, Guido van Rossum <guido at python.org> wrote:

> So propose a patch for callable() along these lines. It'll have to be C
> code.
>
> On Fri, Apr 17, 2015 at 2:21 PM, Ionel Cristian Mărieș <contact at ionelmc.ro
> > wrote:
>
>> Yes indeed, that's one way but I wouldn't want to monkeypatch the
>> `callable` builtin. People wouldn't expect that library would even dare
>> monkeypatch builtin.
>>
>>
>> Thanks,
>> -- Ionel Cristian Mărieș, http://blog.ionelmc.ro
>>
>> On Sat, Apr 18, 2015 at 12:10 AM, Ethan Furman <ethan at stoneleaf.us>
>> wrote:
>>
>>> On 04/18, Ionel Cristian Mărieș wrote:
>>>
>>> > Also there's the issue about not being able to implement a true proxy
>>> (as
>>> > outlined before).
>>>
>>> Proxies are a bit of a pain.  But you can create your own callable
>>> function.
>>>
>>> Something like (untested):
>>>
>>> def callable(obj):
>>>     try:
>>>         func = obj.__call__
>>>         return True
>>>     except AttributeError:
>>>         return False
>>>
>>> --
>>> ~Ethan~
>>> _______________________________________________
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>>
>>
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>
>
>
> --
> --Guido van Rossum (python.org/~guido)
>
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