Bug 2275053

Summary: python-cffi fails to build with Python 3.13: AssertionError: assert '<func (), <int>, False>' == '<func (), <long>, False>'
Product: [Fedora] Fedora Reporter: Karolina Surma <ksurma>
Component: python-cffiAssignee: Miro Hrončok <mhroncok>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
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Version: rawhideCC: ksurma, lbalhar, mhroncok, python-packagers-sig
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Last Closed: 2024-05-22 12:15:57 UTC Type: Bug
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Description Karolina Surma 2024-04-15 07:11:07 UTC
python-cffi fails to build with Python 3.13.0a6.

=================================== FAILURES ===================================
________________________________ test_override _________________________________

    def test_override():
        ffi = FFI(backend=FakeBackend())
        needs_dlopen_none()
        C = ffi.dlopen(None)
        ffi.cdef("int foo(void);")
        pytest.raises(FFIError, ffi.cdef, "long foo(void);")
        assert C.foo.BType == '<func (), <int>, False>'
        ffi.cdef("long foo(void);", override=True)
>       assert C.foo.BType == '<func (), <long>, False>'
E       AssertionError: assert '<func (), <int>, False>' == '<func (), <long>, False>'
E         - <func (), <long>, False>
E         ?            ^^ ^
E         + <func (), <int>, False>
E         ?            ^ ^

testing/cffi0/test_parsing.py:325: AssertionError

https://docs.python.org/3.13/whatsnew/3.13.html

For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.13/fedora-rawhide-x86_64/07302834-python-cffi/

For all our attempts to build python-cffi with Python 3.13, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.13/package/python-cffi/

Testing and mass rebuild of packages is happening in copr.
You can follow these instructions to test locally in mock if your package builds with Python 3.13:
https://copr.fedorainfracloud.org/coprs/g/python/python3.13/

Let us know here if you have any questions.

Python 3.13 is planned to be included in Fedora 41.
To make that update smoother, we're building Fedora packages with all pre-releases of Python 3.13.
A build failure prevents us from testing all dependent packages (transitive [Build]Requires),
so if this package is required a lot, it's important for us to get it fixed soon.

We'd appreciate help from the people who know this package best,
but if you don't want to work on this now, let us know so we can try to work around it on our side.

Comment 1 Miro Hrončok 2024-05-22 12:15:57 UTC
Seems to be Ok with b1.