[Distutils] Distribution format for Python3 libraries

Nick Coghlan ncoghlan at gmail.com
Sun Nov 17 14:44:15 CET 2013

On 17 November 2013 14:05, Donald Stufft <donald at stufft.io> wrote:
> On Nov 16, 2013, at 8:58 PM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> The specific case affecting IPython was the need to define platform
> dependent dependencies. Metadata 2.0 will handle that, but isn't going to
> available until pip 1.6 at the earliest. (That does suggest "Does this let
> IPython start publishing wheels?" would make a good acceptance criterion
> PEP 426 et al. It can join the setuptools metadata replacement criteria,
> Linux distro integration criteria and the Twisted plugin model handling
> criteria).
> That’s not true, Wheel let’s you use environment markers.
> https://github.com/dstufft/twine/blob/master/setup.cfg#L9-L13

More accurately, it appears setuptools *does* support PEP 345 style
environment markers, it just isn't documented at

I filed a setuptools issue about the missing docs, but also suggested the
IPython folks wait for pip 1.5 to get the install-time script handling and
other wheel related fixes.


Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
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