[PATCH 3 of 6] packaging: upgrade Debian packaging to build with Python 3

Martin von Zweigbergk martinvonz at google.com
Mon Oct 21 12:59:10 EDT 2019


On Mon, Oct 21, 2019 at 9:53 AM Yuya Nishihara <yuya at tcha.org> wrote:

> On Mon, 21 Oct 2019 09:01:51 -0700, Gregory Szorc wrote:
> > On Mon, Oct 21, 2019 at 6:57 AM Yuya Nishihara <yuya at tcha.org> wrote:
> > > On Mon, 21 Oct 2019 12:00:55 +0200, Denis Laxalde wrote:
> > > > # HG changeset patch
> > > > # User Denis Laxalde <denis at laxalde.org>
> > > > # Date 1571648394 -7200
> > > > #      Mon Oct 21 10:59:54 2019 +0200
> > > > # Node ID 09f95d7a20c6d2e0bf6218e2a5bc9cd2b803c8ec
> > > > # Parent  70764c9ddba397fa6cc2c92a28a1a65c5bdddaea
> > > > packaging: upgrade Debian packaging to build with Python 3
> > > >
> > > > Also drop the explicit "Depends: python" as debhelper will add it.
> > >
> > > So, are we ready to ship py3 version as stable?
> > > I know it's planned for 5.2, but I have no idea about the current
> state.
> > >
> >
> > We ideally produce Python 2 and Python 3 package variants. Then we switch
> > to Python 3 exclusive in a future release.
> >
> > For Debian packaging, this could be a bit more difficult, as I believe
> we'd
> > need to fork the Debian packaging templates in the repository.
>
> Maybe python-mercurial package can be split off so we can generate both
> python-mercurial and python3-mercurial. The main mercurial package will
> have
> to depend on one of these, but we can at least run python|python3
> /usr/bin/hg.
>

What's the advantage of that? You mean that tortoisehg would depend on
python-mercurial only?

And the main mercurial package would also contain any native code then,
right? Or is that compatible across Python versions?


> That might also apply to tortoisehg, which py3 support is highly unstable.
>
> > I doubt the in-repo Debian packaging is used that much. So I could go
> > either way with regards to transitioning the packaging to Python 3
> > exclusive. Definitely safer to hold off.
>
> Seems fine so long as our package isn't advertised as stable one.
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