On Mon, Nov 4, 2024 at 6:37 PM Gerald B. Cox via python-devel
<python-devel@lists.fedoraproject.org> wrote:
>
> Posted originally here:
> https://discussion.fedoraproject.org/t/how-to-pass-arbritary-options-in-spec-file-for-python-build/135434/
>
> I’m currently refactoring the picard spec file to conform to the new python
> build guidelines (used pyprojectize, thanks!),
> everything fine there so I thought I’d add --disable-autoupdate so as to
> remove the new update
> option at runtime. Picard allows for this by using --disable-update. When I
> try:
>
> %pyproject_wheel -C–disable-autoupdate=None
>
The `-C` flag takes a config setting, not a command-line flag. And
`None` is the default, which is False. This appears to work:
%pyproject_wheel -Cdisable-autoupdate=True
> It build fine, but doesn’t work. I’ve asked the good folks at the Picard
> forum and here is the response:
>
> I tried getting options to pass with python -m build, but without success.
> Picard is using the setuptools backend, and it looks like passing
> arbitrary
> options is currently not working there. See the discussion at Setuptools
> does not pass config_settings through backend · Issue #2491 ·
> pypa/setuptools · GitHub .
>
> I would have expected something like python -m build --wheel
> -C--disable-autoupdate
> or maybe python -m build --wheel -C--disable-autoupdate=True should work,
> but it doesn’t for now, as the parameters are not passed on.
>
> One workaround seems to be to add a custom build backend that overrides
> the relevant
> parts to handle the customer build parameters as it was done for example
> in Add custom
> build backend to support build args by tobiasah · Pull Request #328 ·
> capnproto/pycapnp · GitHub
>
> We could also maybe check for specific environment variables or such. But
> ideally the issue gets solved in setuptools itself.
>
> Am I missing some functionality in the Fedora buildtools or is this just not
> possible. Thanks for any insights.
--
Elliott
--
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