Re: Python version and jhbuild

On Fri, Jun 22, 2012 at 12:30 PM, Joanmarie Diggs <jdiggs igalia com> wrote:
> Hey all.
> Migrating Orca to Python 3 has been on the to-do list for a while now.
> Upon being told that Ubuntu was hoping to have its next release be all
> Python 3 (at least for their live CD), I decided to go ahead and do it.
> That work has been committed to master. Furthermore, the Accessibility
> Team felt that this was worth doing for all its modules. As a result,
> pyatspi2 is now Python 3 compatible and Accerciser's migration is
> underway (just waiting for the code review).
> This change, unfortunately, makes jhbuild unhappy when building Orca
> (and later Accerciser) in an environment which lacks Python 3 versions
> of the build dependencies. I was hoping it would be relatively
> straightforward to adjust jhbuild to handle this new situation. But the
> solution didn't jump out at me, so I asked in #release-team because I
> didn't want to make their lives unpleasant during next week's release.
> What I was told by Walters is:
> " ... anyways we don't have a way in jhbuild to express a dependency on
> python3 that i'm aware of (jhbuild has always just been an out of date
> snapshot of some of the dependencies of a given component)."
> And Matthias said I should ask here. :)
> Ideas?

So, after giving this a weekend, I don't think we can do a python 2->3
transition for 3.6 without some advance planning.
And having both python2 and python3 dependencies in the core GNOME
moduleset is a non-starter.

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