On Aug 8, 2012 5:15 AM, "Daniel Holth" <dholth@gmail.com> wrote:
>
> Today pypy and CPython's "setup.py bdist" generate the same filename
> but incompatible bdists. This makes it difficult to share both bdists
> in the same folder or index. Instead, they should generate different
> bdist filenames because one won't work with the other implementation.
> This PEP specifies a tagging system that includes enough information
> to decide whether a particular bdist is expected to work on a
> particular Python

Consider using sys.implementation to get name/version.  The cache_tag should be particularly helpful.  The 2-character approach for implementation names requires unnecessary curating.

-eric

>
> Also at https://bitbucket.org/dholth/python-peps/raw/98cd36228c2e/pep-CTAG.txt
>
> Thanks for your feedback,
>
> Daniel Holth
>
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