rfc: python2.7 for F14

[David Malcolm]

On Tue, 2010-06-22 at 08:40 +0200, Thomas Spura wrote:
> Am Mon, 21 Jun 2010 14:34:02 -0400
> schrieb David Malcolm <dmalcolm at redhat.com>:
> 
> > On Tue, 2010-06-22 at 01:57 +0800, Chen Lei wrote:
> > > 2010/6/22 David Malcolm <dmalcolm at redhat.com>:
> > > > On Mon, 2010-06-21 at 13:19 -0400, Neal Becker wrote:
> > > >> I'm interested in python2.7 as a feature for F14.  This will
> > > >> provide backports of some nice python3 features, but will work
> > > >> for those needing python2 environments.  Many libraries are not
> > > >> available for python3 yet.
> > > >
> > > > https://fedoraproject.org/wiki/Features/Python_2.7
> > > >
> > > > I've been working on it (though have been on holiday for a week)
> > > >
> > > > I hope to have the latest upstream 2.7 release candidate in
> > > > rawhide later this week.  This will require a rebuild of all
> > > > Python modules.
> > > >
> > > >
> > > > --
> > > Why not rebuild all python modules along with gcc 4.5? It may avoid
> > > of rebuild python-related packages twice?
> > 
> > Is there a Fedora feature page for gcc 4.5?  I briefly searched, but
> > didn't find one.
> > 
> > I'm not sure that building things twice is a waste: if there are bugs,
> > having intermediate builds may help us determine whether the problem
> > relates to the Python or the GCC revision bump.  It may be simpler to
> > do a full rebuild of anything with:
> >   Requires: python(abi) = 2.6
> > as soon as python 2.7 hits rawhide.
> > 
> > Is there a good (automated) way of doing this?
> 
> I guess yes:
> http://fedoraproject.org/wiki/Mass_Rebuild_SOP
> 
> It just needs to get modified to work on python(abi) = 2.6 only and not
> on all packages.

Thanks, that's a great help - I hadn't seen that page.  Looks like an
excellent starting point.

We need to look at all built (sub)packages with a requires of
python(abi) = 2.6, figure out the set of src.rpms they come from, and
we'll want to rebuild those once 2.7 is in f-14 in Koji.


Dave