[Distutils] PyPi not allowing duplicate filenames

[Xavier Fernandez]

FWIW https://github.com/pypa/pip/pull/3146 exists for the wheel cache.

Concerning http cache and https://github.com/ionrock/cachecontrol the main
issue is that the cached request is not present in the cache. We only have
a "hash -> response" mapping.
I plan to make a PR asking to also keep the request for introspection and
move to a "hash -> (request, response)" mapping.

On Wed, Oct 14, 2015 at 11:01 PM, Glyph Lefkowitz <glyph at twistedmatrix.com>
wrote:

>
> On Oct 14, 2015, at 1:04 PM, Donald Stufft <donald at stufft.io> wrote:
>
> Generally within 60-120 seconds it’s available in mirrors (most of them
> resync once a minute). If anyone has downloaded it then they will have
> pretty much permanently cached the package, first in the download cache and
> then again in the wheel cache (assuming it wasn’t a wheel already, and they
> had that enabled). The original package was NumPy. It had 30,982 downloads
> in the last day, so we can average that out to 1290 downloads an hour or 21
> downloads a minute. If it takes you two minutes to notice it and delete it,
> then there are ~40 people who already have the original version cached and
> who will not notice the updated version.
>
>
> While I don't think PyPI should allow modification of uploaded packages
> necessarily, I do think that Pip's caching is (A) too aggressive and (B)
> too opaque.  For example:
>
> https://github.com/pypa/pip/issues/3127
> https://github.com/pypa/pip/issues/3034
> https://github.com/pypa/pip/issues/3025
> https://github.com/pypa/pip/issues/2908
> https://github.com/pypa/pip/issues/2882
>
> etc, etc.
>
> I know there are some directories platform-specific directories I can
> delete, but almost once a day I want a command like `pip cache show´ which
> can show me what is cached and when/where it was built, `pip cache clear´
> or `pip cache remove twisted´ or `pip cache remove cffi>=1.0´.  I don't
> want to have to care if it's in the HTTP cache or the wheel cache, or how
> it got there; I also don't want to have to bust a ~200 megabyte cache that
> saves me hours a day just because there's one bad entry in there.
>
> -glyph
>
>
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>
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