[Distutils] RFC: Binary Distribution Format for distutils2/packaging

[Marius Gedminas]

On Thu, Mar 15, 2012 at 02:19:45PM -0400, Jim Fulton wrote:
> On Thu, Mar 15, 2012 at 12:58 PM, Marius Gedminas <marius at pov.lt> wrote:
> > On Thu, Mar 15, 2012 at 07:40:36AM -0400, Jim Fulton wrote:
> >> On Wed, Mar 14, 2012 at 7:29 PM, Paul Moore <p.f.moore at gmail.com> wrote:
> >> > On 14 March 2012 19:04, Tarek Ziadé <tarek at ziade.org> wrote:
> >> >> Why would someone create a binary release when
> >> >> it's pure Python ?
> >> >
> >> > I wish I knew. But people do - mostly egg format files. But I think
> >> > this is partly because of the confusion between
> >> > egg-as-distribution-format vs egg-as-directly-usable-object that PJE
> >> > alludes to in his emails.
> >>
> >> I sometimes create platform-independent eggs to indicate a Python-version
> >> dependency.  Until d2/p, there was no other way to indicate dependence
> >> on a particular Python version.
> >
> > Except for Trove classifiers, of course:
> >
> >    'Programming Language :: Python',
> >    'Programming Language :: Python :: 2',
> >    'Programming Language :: Python :: 2.4',
> >    'Programming Language :: Python :: 2.5',
> >    'Programming Language :: Python :: 2.6',
> >    'Programming Language :: Python :: 2.7',
> >    'Programming Language :: Python :: 3',
> >    'Programming Language :: Python :: 3.1',
> >    'Programming Language :: Python :: 3.2',
> >
> > Or do I misunderstand your requirements?
> 
> None of the tools use Trove classifiers to make decisions
> about what to download afaik.

Do they make decisions based on the presence of versioned .egg files?
I'd expect the tools to fall back to the sdist if they couldn't find an
.egg for a particular Python version.  If I'm right, then uploading
binary eggs doesn't help either -- unless you refrain from uploading the
sdist to PyPI?

Marius Gedminas
-- 
H.323 has much in common with other ITU-T standards - it features a complex
binary wire protocol, a nightmarish implementation, and a bulk that can be used
to fell medium-to-large predatory animals.
        -- Anthony Baxter
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