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Re: cython 3.x (for Python 3.12)

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From Matthias Klose <doko@debian.org>
Newsgroups linux.debian.maint.python
Subject Re: cython 3.x (for Python 3.12)
Date Mon, 11 Dec 2023 08:10:01 +0100
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On 10.12.23 21:32, Andrey Rakhmatullin wrote:
> On Sun, Dec 10, 2023 at 09:30:03PM +0100, Andrey Rakhmatullin wrote:
>>> I find that there's also a significant issue with relying on
>>> cython3-legacy: it conflicts with cython3, meaning that it will be
>>> impossible to simultaneously install packages depending on cython3 and
>>> cython3-legacy.  Once cython 3.x moves from experimental to unstable
>>> to testing and packages start depending on it, this will become a
>>> significant issue.  I assume that the aim will be for everything to be
>>> ported to cython 3.x and for cython3-legacy to be dropped from testing
>>> before the trixie freeze?
>> I wonder how many packages actually need a runtime dep on cython. I
>> quickly checked three packages from `reverse-depends cython3` and while
>> python3-pysph probably uses cython to generate code at the run time (not
>> sure), python3-pyzoltan seems to only use it at the build time and
>> python3-epimodels doesn't seem to use it at all.
> (I may be terribly wrong, I just thought cython is almost always a build
> time only dep and there are around 30 packages depending on it which was
> surprising)
> 

yes, many setup.py's list that under install_requires. I hope we now 
identified most of them, and fixed these.  At least we were now able to 
do all the binNMUs.

You could package a non-conflicting cython-legacy, however that would 
require more changes, also how to build it.

Matthias

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Thread

cython 3.x (for Python 3.12) Stefano Rivera <stefanor@debian.org> - 2023-11-25 17:30 +0100
  Re: cython 3.x (for Python 3.12) Stefano Rivera <stefanor@debian.org> - 2023-11-25 17:50 +0100
  Re: cython 3.x (for Python 3.12) julien.puydt@gmail.com - 2023-11-26 21:30 +0100
  Re: cython 3.x (for Python 3.12) julien.puydt@gmail.com - 2023-11-30 08:30 +0100
    Re: cython 3.x (for Python 3.12) julien.puydt@gmail.com - 2023-12-12 09:20 +0100
  Re: cython 3.x (for Python 3.12) Julian Gilbey <julian@d-and-j.net> - 2023-11-30 22:20 +0100
  Re: cython 3.x (for Python 3.12) Julian Gilbey <jdg@debian.org> - 2023-12-10 21:20 +0100
    Re: cython 3.x (for Python 3.12) Andrey Rakhmatullin <wrar@wrar.name> - 2023-12-10 21:40 +0100
      Re: cython 3.x (for Python 3.12) Andrey Rakhmatullin <wrar@wrar.name> - 2023-12-10 21:40 +0100
        Re: cython 3.x (for Python 3.12) Matthias Klose <doko@debian.org> - 2023-12-11 08:10 +0100
          Re: cython 3.x (for Python 3.12) Matthias Klose <doko@debian.org> - 2023-12-11 09:50 +0100
          Re: cython 3.x (for Python 3.12) Julian Gilbey <julian@d-and-j.net> - 2023-12-11 11:30 +0100
          Re: cython 3.x (for Python 3.12) Matthias Klose <doko@debian.org> - 2023-12-11 16:40 +0100
            Re: cython 3.x (for Python 3.12) Julian Gilbey <julian@d-and-j.net> - 2023-12-11 20:00 +0100
              Re: cython 3.x (for Python 3.12) Matthias Klose <doko@debian.org> - 2023-12-11 20:10 +0100
  Re: cython 3.x (for Python 3.12) Julian Gilbey <julian@d-and-j.net> - 2023-12-12 20:00 +0100

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