From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Bavier <bavier@member.fsf.org>
Subject: Re: We need to generalize 'package-with-python2'
Date: Tue, 3 Feb 2015 21:47:13 -0600
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To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org

On Tue, 03 Feb 2015 18:42:03 -0500
Mark H Weaver <mhw@netris.org> wrote:

> The 'python-dbus' package (called 'dbus-python' upsteam) uses the
> 'gnu-build-system', and like most other python libraries, there will
> be two variants: 'python-dbus' and 'python2-dbus'.  Unfortunately,
> 'package-with-python2' only works on packages that use
> 'python-build-system'.  This is a problem.
> 
> It wouldn't be so bad to use 'inherit' to create 'python2-dbus' from
> 'python-dbus', but the more serious problem is that unless we
> generalize 'package-with-python2', it won't work properly on any
> package that uses 'python-dbus' as an input.
> 
> On the other hand, I realize that 'package-with-explicit-python'
> intentionally avoids traversing into packages unless they use
> 'python-build-system', and that this is important for efficiency.
> 
> Any thoughts on how best to solve this?

Would it be enough to stop recursion when the bag inputs no longer
contain a python?

`~Eric