[Distutils] [buildout] RFC: buildout support for distribute

[P.J. Eby]

At 09:53 PM 10/13/2009 +0200, Tarek Ziadé wrote:
>2009/10/13 P.J. Eby <pje at telecommunity.com>:
> > At 09:25 PM 10/13/2009 +0200, Tarek Ziadé wrote:
> >>
> >> Notice that the current trunk of Distribute is now changing any
> >> 'setuptools'
> >> requirement that is tiggered using "Requirement.parse" and "resolve" APIs
> >> into
> >> a 'distribute' one.
> >
> > Please note that this change will cause problems for people in the future,
> > as new features are introduced in the 0.7a1 line.  The earlier version of
> > this hack, which only ignored requests for older versions of setuptools,
> > would not have caused such a problem.
> >
> > I would suggest that Distribute should only silently ignore requests for
> > versions of setuptools that it can explicitly emulate; other 
> requests should
> > result in an error, so that a problem cannot pass silently.
> >
> > Otherwise, a package depending on new features in the 0.7 line 
> will silently
> > fail when those features are not present in its operating environment.
>
>Ok sure, makes sense. We will return 'distribute' only if 'setuptools'
>is from the 0.6.x series
>and below.

Great.  I assume that means you plan to incorporate any further bug 
fixes that land in 0.6c10 (or, gods forbid, c11) in the release where 
this change is made.

For versions you don't support emulating, I strongly suggest adding 
an error of some kind, since actually *installing* setuptools with 
Distribute still present on sys.path would cause a problem.