Order of archives on index page is not stable

[ewdurbin]

Originally reported by: Erik Rose (Bitbucket: erikrose, GitHub: erikrose)

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Packages like mock provide equivalent zips and tarballs for each release, and pip simply downloads the first one on the index page. When we attack pypa/pip#1175, it will be helpful if pip chooses the same archive (for a given platform) every time. Otherwise, when pip hands the user the hashes of downloaded archives, it will have to give one for each format, which means downloading them all. However, at the moment, there is no ORDER BY clause on the query PyPI uses to list the downloads. We should order by something stable and unique, like the archive file name.

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• Bitbucket: https://bitbucket.org/pypa/pypi/issue/64

[ewdurbin]

Original comment by Donald Stufft (Bitbucket: dstufft, GitHub: dstufft):

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This should have a stable ordering now.

[ewdurbin]

Original comment by Erik Rose (Bitbucket: erikrose, GitHub: erikrose):

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Awesome! I will remove the now-baseless accusations from the peep docs. :-)