[Distutils] matrix: python_versions x supported_plattforms, cross-compiling vs VM

[Donald Stufft]

> On May 27, 2016, at 12:37 PM, Paul Moore <p.f.moore at gmail.com> wrote:
> 
> On 27 May 2016 at 17:28, Chris Barker <chris.barker at noaa.gov> wrote:
>> So I kind of like the idea of making wheels the default for distributing on
>> PyPi always -- even for pure python modules. And wheels are trivial to build
>> from pure python packages -- so why not?
> 
> It would be *really* nice to have some sort of metadata/flag that said
> "this project is pure Python". Normally, what I want is not *quite*
> --only-binary, but rather "only binary except for pure Python where
> I'm happy to take a source distribution". But AFAIK, there's no way
> for pip to know that :-(


The flip side is it should be trivial for pure Python projects to release wheels, often requiring them to do nothing different except ensuring `wheel` is installed and running ``setup.py sdist bdist_wheel` instead of just `setup.py sdist`.

—
Donald Stufft