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List:       opensuse-packaging
Subject:    [opensuse-packaging] Re: New thoughts on python singlespec macros
From:       jan matejek <jmatejek () suse ! com>
Date:       2017-11-15 17:04:19
Message-ID: 8456543a-98ea-f822-dcbf-19c2db19dfd7 () suse ! com
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On 15.11.2017 16:45, Todd Rme wrote:
> On Wed, Nov 15, 2017 at 9:43 AM, jan matejek <jmatejek@suse.com> wrote:
>>> python2 builds are disabled.  Ideally I would like to see
>>> "%{python2_module foo}" and "%{python3_module foo}" that will only
>>> pull in that dependency if that version of python is being used.  This
>>> also has the advantage of not needing to care about
>>> backwards-compatibility issues of "python-foo" vs. "python2-foo"
>>> names, which is handled inconsistently right now.  If that is not
>>> feasible, just having a reliable check would be an improvement.
>>
>> The issue with "BuildRequires: %python2_module" is that you can't put empty string in place of
>> %python2_module. We'd need to have something like %python2_buildrequires, but that sounds too
>> specific and impractical.
> 
> Would it be possible to replace disabled requires with some dummy
> package that is a buildrequires by default anyway?

python-rpm-macros for instance? :)
That's certainly possible, although rather kludgey. It would solve the inconsistency. OTOH another
possible inconsistency is when python2 version requires something that doesn't start with "python-".
That's why I like guard conditions better.

> Can the macros move "_build.$flavor" to "build" during the
> corresponding part of "python_expand"?

That is precisely what happens. The problems you see exist because the *other* versions are lying
around. An alternate solution would be to hide the directories better. I'm not sure where though.

m.



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