Hello Pythonistas,
setuptools has deprecated executing setup.py (e.g. setup.py build/install) long
time ago. It is only a matter of time when it won't be possible to use
%py3_build, %py3_install, and %py3_build_wheel.
Recently, the removal of setup.py test broke almost 200 packages.
In Fedora, the "old" macros (%py3_build, %py3_install) are:
1. deprecated:
https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/#_deprecated_macros
2. yet allowed:
https://docs.fedoraproject.org/en-US/packaging-guidelines/Python_201x/
Considering the fact that 1.6k Python packages use the macros (while 2k use the
%pyproject_ ones), we are in for a lot of trouble when setuptools removes the
support for setup.py build/install.
To prevent such disaster I'd like to:
- emit loud deprecation warnings from the macros, possibly with 10 sec sleep
- officially disallow
https://docs.fedoraproject.org/en-US/packaging-guidelines/Python_201x/
A proof of concept for the deprecation is
https://src.fedoraproject.org/rpms/python-rpm-macros/pull-request/180
Later, I'd like to experiment with https://github.com/packit/specfile to write
a minimal automatic convertor from the old macros to the new. It won't be
perfect and likely won't be able to ditch any manually listed BuildRequires at
first, but at least it might allow us to mass update spec files while keeping
them buildable.
Let me know what you think about this.
--
Miro Hrončok
--
Phone: +420777974800
Fedora Matrix: mhroncok
--
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