How to create both a c extension and a pure python package

[Thomas Jollans]

On 10/03/2021 18:42, Marco Sulla wrote:
> On Wed, 10 Mar 2021 at 16:45, Thomas Jollans <tjol at tjol.eu> wrote:
>> Why are you doing this?
>>
>> If all you want is for it to be possible to install the package from
>> source on a system that can't use the C part, you could just declare
>> your extension modules optional
> Because I want to provide (at least) two wheels: a wheel for linux
> users with the C extension compiled and a generic wheel in pure python
> as a fallback for any other architecture.

What's wrong with sdist as a fallback rather than a wheel?

That has the added benefit of people on other architectures have the 
opportunity to use the extension module if they have a compiler and the 
necessary libraries and headers installed...


>
> If I make the extension optional, as far as I know, only one wheel is
> produced: the wheel with the extension if all is successful, or the
> pure py wheel.