How to generate a .pyi file for a C Extension using stubgen
Barry
barry at barrys-emacs.org
Sat Jul 30 09:59:14 EDT 2022
> On 30 Jul 2022, at 10:30, Marco Sulla <Marco.Sulla.Python at gmail.com> wrote:
>
> On Fri, 29 Jul 2022 at 23:23, Barry <barry at barrys-emacs.org> wrote:
>>
>>
>>
>>>> On 29 Jul 2022, at 19:33, Marco Sulla <Marco.Sulla.Python at gmail.com> wrote:
>>>
>>> I tried to follow the instructions here:
>>>
>>> https://mypy.readthedocs.io/en/stable/stubgen.html
>>>
>>> but the instructions about creating a stub for a C Extension are a little
>>> mysterious. I tried to use it on the .so file without luck.
>>
>> It says that stubgen works on .py files not .so files.
>> You will need to write the .pyi for your .so manually.
>>
>> The docs could do with splitting the need for .pyi for .so
>> away from the stubgen description
>
> But it says:
>
> "Mypy includes the stubgen tool that can automatically generate stub
> files (.pyi files) for Python modules and C extension modules."
>
> I tried stubgen -m modulename, but it generates very little code.
Oh…
From the .so I am struggling to figure out how it could ever work reliably.
I cannot see that there is enough information in a useful form to allow
the tool to work.
Barry
>
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