[Distutils] PYD/SO platform tags (#22980)

[Steve Dower]

Steve Dower wrote:
> Antoine Pitrou wrote:
> 
> My legalistic rationale for using cp3 is that it's actually the version tag, not
> the ABI tag. It seemed from my reading that you'd get tags like
> "cp35-abi3-win32", which is not helpful because you've still specified the minor
> version in the tag. Either it'll work in any CPython 3.x ("cp3") or it needs a
> specific minor version ("cp35"), so I didn't see the value in keeping the ABI
> tag.
> 

Apologies, I got this understanding from PEP 425, not 3149/384. Using "abi3-win32" rather than "cp3-win32" would also make sense. I'm not strongly for or against either variant.

Cheers,
Steve