[Python-Dev] PEP 573 -- Module State Access from C Extension Methods

[Marcel Plch]

If PEP 575's new call doesn't have any surprising restrictions,
I think that completely dropping METH_METHOD would be the
best way of resolving this.
I suggest we push PEP 575 first and if it gets accepted, I will rebase
PEP 573 to these changes.

On Tue, Apr 24, 2018 at 4:34 PM, Jeroen Demeyer <J.Demeyer at ugent.be> wrote:
> On 2018-04-24 14:53, Nick Coghlan wrote:
>>>
>>> In PEP 575, I'm already proposing a flag (METH_ARG0_FUNCTION) to pass the
>>> function *instead* of self. Unless PEP 573 is rejected, maybe that should
>>> change to passing the function *in addition* to self.
>>
>>
>> That would definitely be an elegant way of addressing both use cases.
>
>
> On the other hand, if you are passing the function object, then you can get
> __self__ from it (unless it's an unbound method: in that case __self__ is
> NULL and self is really args[0]). So there wouldn't be a need for passing
> "self". I'm not saying that this is better than passing "self" explicitly...
> I haven't yet decided what is best.
>
> In any case, these things would be handled by Argument Clinic anyway, so it
> only matters if you are parsing arguments "by hand".
>
>
>
> Jeroen.
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