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[Python-Dev] Issue #21205: add __qualname__ to generators

Antoine Pitrou antoine at python.org
Wed Jun 11 18:17:40 CEST 2014 
Le 11/06/2014 10:28, Victor Stinner a écrit :
> Hi,
>
> I'm working on asyncio and it's difficult to debug code because
> @asyncio.coroutine decorator removes the name of the function if the
> function is not a generator (if it doesn't use yield from).
>
> I propose to add new gi_name and gi_qualname fields to the C structure
> PyGenObject, add a new __qualname__ (= gi_qualname) attribute to the
> Python API of generator, and change how the default value of __name__
> (= gi_name) of generators.
>
> Instead of getting the name from the code object, I propose to get the
> name from the function (if the generator was created from a function).
> So if the function name was modified, you get the new name instead of
> getting the name from the code object (as done in Python 3.4).
>
> I also propose to display the qualified name in repr(generator)
> instead of the name.
>
> All these changes should make my life easier to debug asyncio, but it
> should help any project using generators.
>
> Issues describing the problem, I attached a patch implementing my ideas:
> http://bugs.python.org/issue21205
>
> Would you be ok with these (minor) incompatible changes?

+1 from me.

Regards

Antoine.
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