On 12. 10. 24 0:32, Adam Williamson wrote:
On Fri, 2024-10-11 at 21:29 +0200, Michal Ambroz wrote:
Hello Miro,
Thank you very much for the tool - I am adding it to toolbox.
I actually love the new pyproject macros, but in the past there were some
discrepancies between
Fedora and EPEL where not everywhere the situation was ready there to switch
to pyproject macros.
Please have you checked recently how EPEL8-9-10 is doing with the Fedora
pyproject macros?
Does it make sense to switch over for all current EPELs?
EPEL 8 can't use them. EPEL 9+ can. This is mentioned at the top of
https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/ .
On the whole I'd say it makes sense to use pyproject on all other
branches and have EPEL 8 use the old guidelines, in most cases. You
*probably* don't want to keep an EPEL 8 branch in sync with Rawhide
anyway, we're not supposed to do major version bumps and stuff in EPEL.
Pretty much what Adam said. Some details:
Python 3.6 in RHEL 8 is probably too old to handle the Python code in
pyproject-rpm-macros. This could be fixed by changes in that code of it was the
only problem (it isn't).
pip 9 in RHEL 8 is too old to support pyproject-based builds. pips for newer
Python versions in RHEL 8 are more capable.
setuptools 39.2 in RHEL 8 is too old to provide the (default)
setuptools.build_meta:__legacy__ backend. setuptools for newer Python versions
in RHEL 8 are more capable.
RPM 4.14 in RHEL 8 is too old to understand %generate_buildrequires. There is a
EPEL 8 version of the pyproject-rpm-macros package, but it is severly limited
because of this.
tl;dr RHEL 8 is very old. it predates the fundamental principles those macros
were build on. Python packaging has evolved in the past 6 years almost beyond
recognition. RHEL 8 is too old to catch up. We are at a point where we can no
longer build Python RPM packages for EPEL 8 and Fedora form the same spec file,
unless we fill it with %if conditionals.
--
Miro Hrončok
--
Phone: +420777974800
Fedora Matrix: mhroncok
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