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[Python-Dev] Fwd: PEP 426 is now the draft spec for distribution metadata 2.0

Paul Moore p.f.moore at gmail.com
Tue Feb 19 21:41:47 CET 2013 
On 19 February 2013 20:36, Donald Stufft <donald.stufft at gmail.com> wrote:
> 2. There is currently no code that I am aware of that implements this
> spec. I don't believe distlib does (yet - give Vinay 5 minutes and who
> knows? :-)), pkg_resources as I said implements a different format,
> and distutils2, apart from being a big dependency to cover just this
> point, only matches the version (not the project name) and presumably
> does so using the distutils2 version ordering (which is incompatible
> with Metadata 2.0).
>
> It should be alongside the version stuff, atleast it was in distutils2.

Yes, sorry - distlib does include code for this:

https://distlib.readthedocs.org/en/latest/tutorial.html#matching-versions-against-constraints

I was looking for the term "requirement" which is not used, and missed
it. (Either that or Vinay's been borrowing the time machine keys
again!)
Paul
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