On Mar 26, 2013 5:28 AM, "Ronald Oussoren" <ronaldousso...@mac.com> wrote: > > > On 25 Mar, 2013, at 19:16, PJ Eby <p...@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 >
We really really really want to get rid of ez_setup. It is considered by many to be the example of something that should not happen as a side effect of running a build script. When packages no longer have to install themselves, they can just mention setup-requires and the installer grabs the necessary setuptools.
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