[Distutils] The Simple API - What URLs are "supported"

[Donald Stufft]

> On Sep 18, 2014, at 3:48 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> 
> What about an approach where pip first tries the canonical name, and if that fails, tries the exact given name?
> 
> Seems to me like that should handle legacy mirrors without the big download.
> 
> Cheers,
> Nick.
> 

The exact implementation I had in mind has the /simple/{name}/{version}/ url
being removed immediately since it’s a cost that's *always* paid if you use ==
and as far as I know it's not supported/used anywhere. However the fallback to
/simple/ would go through the 2 release deprecation cycle since it's both
actually useful for use with older mirrors and it's only paid if it needs to
be used right now.

I think that the deprecation cycle is probably fine to handle that, because
even if we do as you suggested we'll still need to fall back to /simple/
because of cases like ``pip install django`` where the "real" name is Django
and we have no way of knowing that.

---
Donald Stufft
PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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