Re: Removing glupy from release 5.7

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I'll make the changes for prioritizing python2 over 3 for release 5 and 4.
Let me know if we need to make any other changes.

Thanks!

On Mon, Jul 8, 2019 at 3:07 PM Niels de Vos <ndevos@xxxxxxxxxx> wrote:
>
> On Mon, Jul 08, 2019 at 02:37:34PM +0530, Hari Gowtham wrote:
> > I have a few concerns about adding the python3 devel package and
> > continuing the build.
> > In the effort to make Gluster python3 compatible,
> > https://github.com/gluster/glusterfs/issues/411
> > I think we have decided to skip working on Glupy to make it python3 compatible.
> > (Correct me if i'm wrong.) As Glupy was decided to be deprecated.
> > Though i don't see any mail thread regarding the same.
> > I don't see any patches merged to make Glupy python3 compatible, as well.
> >
> > In such a case, I think its better to make changes to the configure.ac
> > of release 5 to work with python2 alone.
> > This way, Glupy will not be affected as well. And machines with
> > python3 will also work because of the presence of python2.
> > And no change will be needed on the infra side as well.
>
> Building when only python3 is available should still keep working as
> well. Recent Fedora versions do not have python2 (by default?) anymore,
> and that may be true for other distributions too.
>
> configure.ac for release-5 and release-4.1 should probably prefer
> python2 before python3.
>
> Niels
>
>
> > We are a bit too late with the 5 series releases. If we are fine with
> > this approach,
> > I will send out a mail informing this, work on the patch and push it.
> >
> >
> > On Fri, Jul 5, 2019 at 6:48 PM Niels de Vos <ndevos@xxxxxxxxxx> wrote:
> > >
> > > On Thu, Jul 04, 2019 at 05:03:53PM +0200, Michael Scherer wrote:
> > > > Le jeudi 04 juillet 2019 à 16:20 +0200, Niels de Vos a écrit :
> > > > > On Wed, Jul 03, 2019 at 04:46:11PM +0200, Michael Scherer wrote:
> > > > > > Le mercredi 03 juillet 2019 à 20:03 +0530, Deepshikha Khandelwal a
> > > > > > écrit :
> > > > > > > Misc, is EPEL got recently installed on the builders?
> > > > > >
> > > > > > No, it has been there since september 2016. What got changed is
> > > > > > that
> > > > > > python3 wasn't installed before.
> > > > > >
> > > > > > > Can you please resolve the 'Why EPEL on builders?'. EPEL+python3
> > > > > > > on
> > > > > > > builders seems not a good option to have.
> > > > > >
> > > > > >
> > > > > > Python 3 is pulled by 'mock', cf
> > > > > >
> > > > https://lists.gluster.org/pipermail/gluster-devel/2019-June/056347.html
> > > > > >
> > > > > > So sure, I can remove EPEL, but then it will remove mock. Or I can
> > > > > > remove python3, and it will remove mock.
> > > > > >
> > > > > > But again, the problem is not with the set of installed packages on
> > > > > > the
> > > > > > builder, that's just showing there is a bug.
> > > > > >
> > > > > > The configure script do pick the latest python version:
> > > > > > https://github.com/gluster/glusterfs/blob/master/configure.ac#L612
> > > > > >
> > > > > > if there is a python3, it take that, if not, it fall back to
> > > > > > python2.
> > > > > >
> > > > > > then, later:
> > > > > > https://github.com/gluster/glusterfs/blob/master/configure.ac#L639
> > > > > >
> > > > > > it verify the presence of what is required to build.
> > > > > >
> > > > > > So if there is a runtime version only of python3, it will detect
> > > > > > python3, but not build anything, because the -devel subpackage is
> > > > > > not h
> > > > > > ere.
> > > > > >
> > > > > > There is 2 solutions:
> > > > > > - fix that piece of code, so it doesn't just test the presence of
> > > > > > python executable, but do that, and test the presence of headers
> > > > > > before
> > > > > > deciding if we need to build or not glupy.
> > > > > >
> > > > > > - use PYTHON env var to force python2, and document that it need to
> > > > > > be
> > > > > > done.
> > > > >
> > > > > What about option 3:
> > > > >
> > > > > - install python3-devel in addition to python3
> > > >
> > > > That's a option, but I think that's a disservice for the users, since
> > > > that's fixing our CI to no longer trigger a corner case, which doesn't
> > > > mean the corner case no longer exist, just that we do not trigger it.
> > >
> > > This is only interesting for building releases/packages, I think. Normal
> > > build environments have -devel packages installed for the components
> > > that are used during the build process. The weird python2-devel and
> > > python3 (without -devel) is definitely a corner case, but not something
> > > people would normally have. And if so, we expect -devel for the python
> > > version that is used, so developers would hopefully just install that on
> > > their build system.
> > >
> > > Niels
> > > _______________________________________________
> > >
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> > >
> >
> >
> > --
> > Regards,
> > Hari Gowtham.



-- 
Regards,
Hari Gowtham.
_______________________________________________

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