On 17/09/2020 17.30, Markus Armbruster wrote: > Thomas Huth <th...@redhat.com> writes: > >> On 16/09/2020 16.00, Thomas Huth wrote: >>> On 16/09/2020 14.30, Peter Maydell wrote: >>>> On Wed, 16 Sep 2020 at 08:43, Markus Armbruster <arm...@redhat.com> wrote: >>>>> We require Python 3.5. It will reach its "end of life" at the end of >>>>> September 2020[*]. Any reason not to require 3.6 for 5.2? qemu-iotests >>>>> already does for its Python parts. >>> [...] >>>> The default should be >>>> "leave the version dependency where it is", not "bump the version >>>> dependency as soon as we can". >>> >>> OTOH, if none of our supported build systems uses python 3.5 by default >>> anymore, it also will not get tested anymore, so bugs might creep in, >>> which will of course end up in a bad experience for the users, too, that >>> still try to build with such an old version. So limiting the version to >>> the level that we also test is IMHO very reasonable. >>> >>> Let's have a look at the (older) systems that we support and the python >>> versions according to repology.org: >>> >>> - RHEL7 / CentOS 7 : 3.6.8 >>> - Ubuntu 18.04 (Bionic) : >= 3.6.5 >>> - openSUSE Leap 15.0 : >= 3.6.5 >>> - OpenBSD Ports : >= 3.7.9 >>> - FreeBSD Ports : >= 3.5.10 - but there is also 3.6 or newer >>> - Homebrew : >= 3.7.9 >>> >>> ... so I think it should be fine to retire 3.5 nowadays. >> >> Sorry, I forgot to check Debian. If I got that right, Debian 9 still >> uses Python 3.5 by default. So I guess that means we can not deprecate >> Python 3.5 yet? > > Discussed before: > > Subject: Re: [PATCH] qapi: Fix code generation with Python 3.5 > Date: Sat, 18 Jan 2020 07:54:18 +0100 > Message-ID: <87lfq5s19h....@dusky.pond.sub.org> > https://lists.nongnu.org/archive/html/qemu-devel/2020-01/msg03855.html > > Short version: Debian != Debian LTS. We support Debian until EOL, not > LTS. Debian 9 reached EOL in July.
Ok, so could you please add a remark to docs/system/build-platforms.rst that states that we do not support Debian LTS ... otherwise I guess we will have discussion again once Debian 10 reaches its EOL. Thanks, Thomas