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Re: Reaching team consensus on usage of py3versions -r and X-Python3-Version in Lintian

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On 1/17/22 18:47, Louis-Philippe Véronneau wrote:
> Hey folks,
> 
> I'm following up on bug #1001677 [1] on the DPT's list to try to reach
> consensus, as I think the Lintian tags that were created to fix this bug
> are not recommending the proper thing.
> 
> As a TL;DR for those of you who don't want to read the whole BTS thread,
> jdg saw that a bunch of packages were using `py3versions -r` in
> autopkgtests, and this fails when there's no X-Python3-Version variable
> in d/control.
> 
> The fix that Lintian now proposes for packages that use `py3versions -r`
> in autopkgtests is to set X-Python3-Version.
> 
> I think the proper fix would be to ask people to move away from
> `py3versions -r` if there is no X-Python3-Version, and use`py3versions
> -s` instead.
> 
> As such, I think we should ask the Lintian maintainers to:
> 
> 1. Change the desc for tag declare-requested-python-versions-for-test to
> 
> The specified test attempts to query the Python versions
> <em>requested</em> by your sources with the command <code>py3versions
> --requested</code> but your sources do not actually declare those
> versions with the field <code>X-Python3-Version</code>.
> .
> Please query all <em>supported</em> Python versions with the command
> <code>py3versions --supported</code> in your test instead.
> 
> 2. Change the desc for tag query-requested-python-versions-in-test to
> 
> The specified test queries all <em>supported</em> Python versions with
> the command <code>py3versions --supported</code> but your sources
> request a specific set of versions via the field
> <code>X-Python3-Version</code>.
> .
> Please delete the field <code>X-Python3-Version</code>, as it is not needed.
> 
> 
> These changes would push maintainers to use `py3versions -s`, but
> wouldn't ask people using `py3versions -r` and X-Python3-Version to make
> any changes.
> 
> AFAIU, the only valid use of X-Python3-Version would be a package that
> fails to build on an older but currently supported version of Python
> (let's say 3.9) but builds on the newer version (say 3.10). I think such
> use cases are pretty rare though.
> 
> Cheers,
> 
> [1]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1001677
> 

+1 (very much)

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Reaching team consensus on usage of py3versions -r and  X-Python3-Version in Lintian Louis-Philippe Véronneau <pollo@debian.org> - 2022-01-17 18:50 +0100
  Re: Reaching team consensus on usage of py3versions -r and  X-Python3-Version in Lintian Sandro Tosi <morph@debian.org> - 2022-01-17 21:00 +0100
  Re: Reaching team consensus on usage of py3versions -r and  X-Python3-Version in Lintian Neil Williams <codehelp@debian.org> - 2022-01-18 09:20 +0100
    Re: Reaching team consensus on usage of py3versions -r and X-Python3-Version in Lintian Scott Kitterman <debian@kitterman.com> - 2022-01-18 14:10 +0100
  Re: Reaching team consensus on usage of py3versions -r and  X-Python3-Version in Lintian Thomas Goirand <zigo@debian.org> - 2022-01-18 15:40 +0100
    Re: Reaching team consensus on usage of py3versions -r and  X-Python3-Version in Lintian Julian Gilbey <jdg@debian.org> - 2022-01-19 20:30 +0100

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