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  • Re: python3.10

    From Andrey Rakhmatullin@21:1/5 to Christian BAYLE on Mon Mar 10 19:40:01 2025
    On Mon, Mar 10, 2025 at 07:06:57PM +0100, Christian BAYLE wrote:
    was wondering why there is no python3.10 in debian

    Every stable Debian release only contains one Python version, normally the newest one at the time when the release was made. Testing and
    unstable can contain two versions during the transition from the older one
    to the next one.

    I just encountered recently a few venv that require 3.10 to work in at
    least 2 ai stable diffusion software, really difficult to package
    right now.

    Not sure what do you mean by venv but for local use you aren't required to
    use Python interpreters from the distribution and can e.g. use pyenv to install any other one.

    Worth of packaging it ?
    It seems easy to simply download and build and use.

    Simply providing a Python interpreter in Debian is not generally useful,
    and integrating it with the packaged modules is a lot of work which is
    also impossible for older Python versions. So no. You can package it
    locally if you want and if you don't expect it to work with any packaged modules.

    --
    WBR, wRAR

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  • From Andrey Rakhmatullin@21:1/5 to Christian BAYLE on Mon Mar 10 20:40:01 2025
    On Mon, Mar 10, 2025 at 08:12:25PM +0100, Christian BAYLE wrote:
    I was surprised that python3.10 compiling from upstream tarball was so
    easy, but it's maybe i was lucky

    It being easy is one of the reasons pyenv should be used.

    --
    WBR, wRAR

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  • From Thomas Ward@21:1/5 to Andrey Rakhmatullin on Mon Mar 10 20:20:02 2025
    On 2025-03-10 14:36, Andrey Rakhmatullin wrote:
    On Mon, Mar 10, 2025 at 07:06:57PM +0100, Christian BAYLE wrote:
    I just encountered recently a few venv that require 3.10 to work in
    at least 2 ai stable diffusion software, really difficult to package
    right now.

    Not sure what do you mean by venv but for local use you aren't
    required to use Python interpreters from the distribution and can e.g.
    use pyenv to install any other one.

    I was in fact about to suggest the same thing Andrey did here. For any local-use stuff which requires one or more Python versions beyond the system-installed Python version, this is my recommended solution to use
    pyenv and then have the local installs alongside Debian's installed Python.

    I also want to make a few things known about 'downstream' 'in Ubuntu
    that you refer to. The problem we see routinely 'downstream' is people
    try and change their Python version away from the system preferred
    Python version, thus breaking things. It happens way more than I'd like
    to admit (just look at Ask Ubuntu and the number of python errors we can attribute to User Error in this exact way), and usually I suggest pyenv
    [1] to allow userspace installations of Python isolated from system
    Python that works for those cases you need older versions.

    I do this routinely even downstream on other distros. In fact, wherever
    you are required to use *older* Python or *newer* Python than is
    available in your distro - Debian, Ubuntu, Mint, etc. - I always point
    at PyEnv as a solution.


    Thomas


    [1]: https://github.com/pyenv/pyenv

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  • From Jerome Kieffer@21:1/5 to Christian BAYLE on Sun Mar 16 10:10:01 2025
    Hi,

    I am a python software developper and having pyenv as part of debian
    would be interesting for my job where I switch python version several
    times a day (and venv several times an hour).
    For now, I use conda instead but it is slow (mamba is better) and uses a
    lot of disk space.

    Thanks for the heads-up

    Jerome

    On Mon, 10 Mar 2025 21:28:57 +0100
    Christian BAYLE <bayle@debian.org> wrote:

    Hello,


    I was not aware of this pyenv

    easy, but it's maybe i was lucky

    It being easy is one of the reasons pyenv should be used.

    wnpp-check pyenv
    (ITP - #978149) https://bugs.debian.org/978149 pyenv old from 10/2020 https://github.com/pyenv/pyenv
    https://salsa.debian.org/karthek/pyenv

    And I took a lot of time reading dev manual, wiki pages

    tested many python ai stuffs,

    I crossed venv, uv, recently spack, but no pyenv

    Nothing there :
    https://wiki.debian.org/Python

    but i just subscribed to this python list

    I can help, if needed, i'll certainly be a user of pyenv

    Thank you

    CC: to the ITP

    Christian



    --
    Jérôme Kieffer

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  • From Dmitry Shachnev@21:1/5 to Andrey Rakhmatullin on Sun Mar 16 10:30:01 2025
    Hi all,

    On Sun, Mar 16, 2025 at 02:11:15PM +0500, Andrey Rakhmatullin wrote:
    On Sun, Mar 16, 2025 at 09:58:45AM +0100, Jerome Kieffer wrote:
    Hi,

    I am a python software developper and having pyenv as part of debian
    would be interesting for my job where I switch python version several
    times a day (and venv several times an hour).
    For now, I use conda instead but it is slow (mamba is better) and uses a lot of disk space.

    You don't need it packaged to use it.

    Anyway, pyenv is in the NEW queue:

    https://ftp-master.debian.org/new/pyenv_2.5.1-1.html

    --
    Dmitry Shachnev

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  • From Andrey Rakhmatullin@21:1/5 to Jerome Kieffer on Sun Mar 16 10:20:01 2025
    On Sun, Mar 16, 2025 at 09:58:45AM +0100, Jerome Kieffer wrote:
    Hi,

    I am a python software developper and having pyenv as part of debian
    would be interesting for my job where I switch python version several
    times a day (and venv several times an hour).
    For now, I use conda instead but it is slow (mamba is better) and uses a
    lot of disk space.

    You don't need it packaged to use it.

    --
    WBR, wRAR

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