Re: F35 Change: Python Packaging Guidelines overhaul (System-Wide Change proposal)

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On 14. 06. 21 20:28, Ben Beasley wrote:


On Mon, Jun 14, 2021, at 2:07 PM, Miro Hrončok wrote:
On 14. 06. 21 19:35, Benjamin Beasley wrote:
However I think we should at least strictly require a smoke test (such as
%python3 -c "import foo, foo.bar") in such cases, for reasons described below...
[…]
It’s also not clear to me why the Python guidelines should be so much stricter than the overall Fedora guidelines (https://docs.fedoraproject.org/en-US/packaging-guidelines/#_test_suites) in this area.

As written elsewhere in this thread, because we regularly got bitten by pure
Python packages without tests.
[…]

I tentatively agree with the idea of requiring an “import foo.bar” smoke test in cases where the upstream tests cannot be used, especially since pyproject-rpm-macros with %pyproject_buildrequires makes it much easier to add runtime dependencies as BR’s. (It may not always be practical to explicitly import all subpackages/modules in a complicated package, but even importing the top-level package is a good start). It would catch a large portion of the FTI bugs that appear in practice.

We could very well add a macro helper that imports modules from the %{buildroot} and:

 - when given positional arguments, import the given names
 - when no arguments given, imports all modules saved by %pyproject_save_files

The NodeJS packaging guidelines have a similar requirement (https://docs.fedoraproject.org/en-US/packaging-guidelines/Node.js/#_build_testing_in_check).

Awesome requirement. Will discuss this with Petr.

Even just mandating that the runtime requirements must be BR’s (%pyproject_buildrequires -r or “better”) would catch most such issues at build time. I did this in pipx for exactly that reason.

Recently I was considering if -r shouldn't be the default (with -R or similar for opt-out). That should catch most of the fails to install issues.

--
Miro Hrončok
--
Phone: +420777974800
IRC: mhroncok
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