On Tue, 2020-06-23 at 18:26 +0200, Tomas Hrnciar wrote:
> Hello everyone,
> 
> there are plenty of Python packages in Fedora currently using
> setuptools at
> buildtime but not all of them are BuildRequiring it explicitly. This
> only works
> because python3-devel (transitively) depends on python3-setuptools.
> 
> We would like to kindly ask you to add explicit BuildRequires for
> python3-setuptools to packages where setuptools is used. It will help
> us
> with testing new versions of setuptools in the future or with
> decoupling
> Python and setuptools. Today, if we want to know if a package is
> using
> setuptools, we have to do `fedpkg prep` and use grep to search for
> setuptools. Using a repoquery is much more convenient.
> 
> Several packages can successfully build either with or without
> setuptools
> (they use try-except import and fallback to distutils from the
> standard
> library). Such packages are especially dangerous when not
> BuildRequiring
> setuptools -- they can produce different results depending on the
> presence
> of setuptools: either an .egg-info metadata directory (w/setuptools)
> or
> .egg-info text file (w/distutils). RPM has troubles when upgrading
> directories to files [1].

IMBW, but I think I recall the Python packaging guidelines specifically
said that you could or should (I forget which) just BR python-devel and
not BR python-setuptools at some point. At this point there seems to be
no explicit mention, but the sample spec file looks a lot like a
project that uses setuptools, but does not explicitly BuildRequire
it...
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net
http://www.happyassassin.net
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