[Distutils] PEP439 and backward compat / easy_install / distlib
Ronald Oussoren
ronaldoussoren at mac.com
Tue Mar 26 10:28:25 CET 2013
On 25 Mar, 2013, at 19:16, PJ Eby <pje at telecommunity.com> wrote:
>
>
> Also, as far as detecting the need for setuptools, I think that can be
> done just by noticing whether the PKG-INFO included in an sdist is
> metadata 2.0 or not. If it is, then setuptools should be explicitly
> declared as a build-time dependency, otherwise it's not needed. If
> it's an older metadata version, then you probably need setuptools.
Is it even necessary to automaticly install setuptools? Setuptools-using package are supposed to use ez_setup.py, or distribute_setup.py for distribute, to ensure that the setuptools package is available during setup. Although I must admit that I have no idea how many packages still do this instead of assuming that users will have installed setuptools anyway.
Ronald
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