[gentoo-python] Re: [RFC] Timeline for Python 3.6 adoption

[Mike Gilbert <floppym@gentoo.org>]

On Fri, Apr 27, 2018 at 9:03 AM, Michał Górny <mgorny@gentoo.org> wrote:
> Hi, everyone.
>
> I think we've reached the point where we should start discussing
> switching the defaults to Python 3.6.  I would like to gather your
> opinion the following ideas.
>
> Firstly, I'd like to do two changes simultaneously to reduce --newuse
> rebuilds:
>
> a. switching from CPython 3.5 to 3.6,
>
> b. disabling CPython 3.4.
>
> I'm thinking of a soft deadline on 2018-06-01, i.e. giving developers
> a full month to prepare.  If things don't go well, we can always
> postpone it.
>
> According to my lists, we only have 6 packages relying on py3.4 right
> now [1] and no pending stabilizations for that.  I will report bugs for
> those packages today.
>
> The list for 3.5->3.6 migration is longer [2].  However, it seems that
> many of those packages are rather isolated [3] and apparently
> unmaintained.  Apparently the biggest targets are OpenStack
> and Flask.  It's all doable.
>
> What do you think?

June 1 seems a little optimistic to me, but as you said we can push it
out if needed.

This plan makes sense to me.