John Snow bc5d8b4bc0 python: upgrade to Python3.12+ ...

With Python3.9 EOL and Python3.10 soon to be EOL (October 2026), and
with ... no other supported build platform actually using Python 3.11,
require the use of Python3.12 or later.

Additionally, as part of this upgrade, remove the use of tomllib from
mkvenv as it is now standard in the Python stdlib: leaving this
transitional code in causes a regression with mypy which becomes
confused about the overloaded use of 'tomllib'.

Our current minimum requirements as determined by standard repository
packages on supported distributions is as follows:

distro            EOS         python3  pip     setuptools  sphinx  wheel
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
-------------------------------------------------------------------------
centos_stream_9   2026-12-12  3.9.25   21.3.1  53.0.0      3.4.3   0.36.2
centos_stream_9+  2026-12-12  3.12.13  23.2.1  68.2.2      ---     0.41.2
freebsd           --          3.12.14  23.3.2  63.1.0      9.0.4   0.48.0
ubuntu_24_04      2028-04-23  3.12.3   24.0    68.1.2      7.2.6   0.42.0
centos_stream_10  2030-01-01  3.12.13  23.3.2  69.0.3      7.2.6   0.41.2
alpine_3_21       2026-11-01  3.12.14  24.3.1  70.3.0      8.1.3   0.43.0
debian_13         2028-08-09  3.13.5   25.1.1  78.1.1      8.1.3   0.46.1
fedora_43         2026-12-09  3.14.7   25.1.1  78.1.1      8.2.3   0.45.1
ubuntu_26_04      2031-05-29  3.14.4   25.1.1  78.1.1      8.2.3   0.46.3
fedora_44         2027-06-02  3.14.7   26.0.1  80.10.2     8.2.3   0.45.1
macports          --          3.14.7   26.0.1  80.10.2     9.1.0   0.48.0
alpine_3_22       2027-05-01  3.12.14  25.1.1  80.9.0      8.2.3   0.46.3
alpine_3_23       2027-11-01  3.12.14  25.1.1  80.9.0      8.2.3   0.46.3
openbsd           --          3.14.6   26.2.1  80.9.0      9.1.0   0.48.0
alpine_3_24       2028-06-01  3.14.7   26.1.2  82.0.1      9.1.0   0.47.0
pkgsrc_current    --          3.13.15  26.2.1  84.0.0      9.1.0   0.48.0

CentOS stream 9 note: python3.12, python3.12-pip,
python3.12-setuptools and python3.12-wheel are available as optional
packages in the standard repository. Sphinx is not available, but can
be side-loaded from PyPI using pip3.12.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20260825215851.1780608-10-jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>

2026-09-02 15:02:58 -04:00

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