I’m a bit confused. For my own understanding: what’s stopping
PyObject_IsInstance/PyObject_IsSubclass from just trying
PyImport_GetModule("typing") here?
If NULL, carry on. Otherwise, check the Union case.
Brandt
> On Oct 8, 2019, at 05:44, Philippe Prados <philippe.pra...@gmail.com> wrote:
>
>
> Glups.
>
> I am not an expert of Pyhton source code. May be after this patch ;-)
>
> I think I should discuss with the authors of the module typing, to identify
> the best strategy.
> Who is he ?
>
> Philippe
>
>
>> Le mar. 8 oct. 2019 à 10:19, Ivan Levkivskyi <levkivs...@gmail.com> a écrit :
>> You will need to rewrite most of things in C.
>>
>> --
>> Ivan
>>
>>
>>> On Tue 8 Oct 2019, 08:53 Philippe Prados, <philippe.pra...@gmail.com> wrote:
>>> Ok,
>>>
>>> But _GenericAlias and dependencies are written with Python (Lib/typing.py),
>>> not with C.
>>> So, I must rewrite the _GenericAlias in C or it's possible to merge the C
>>> and Python in builtin and add a direct reference to _GenericAlias with C,
>>> and add the reference in builtin module ?
>>>
>>> Philippe
>>>
>>>
>>>> Le lun. 7 oct. 2019 à 22:58, Random832 <random...@fastmail.com> a écrit :
>>>> On Mon, Oct 7, 2019, at 12:02, Philippe Prados wrote:
>>>> > Because this PEP propose to accept, for all classes
>>>> > assert isinstance("", int | str)
>>>> > assert issubclass(int, int | str)
>>>> > and add an operator __or__() for type type.
>>>> > def f(list: List[int | str], param: int | None) -> float | str:
>>>> > pass
>>>>
>>>> Oh, sorry, I didn't realize that this also included the | operator, I
>>>> thought this was just for isinstance("", Union[int, str]).
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