Bug 2325182

Summary: python-pexpect fails to build with Python 3.14: multiple pickling errors
Product: [Fedora] Fedora Reporter: Karolina Surma <ksurma>
Component: python-pexpectAssignee: Miro Hrončok <mhroncok>
Status: CLOSED RAWHIDE QA Contact: Fedora Extras Quality Assurance <extras-qa>
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Version: rawhideCC: dradez, igor.raits, ksurma, mhroncok, python-packagers-sig, swt, tomspur
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Last Closed: 2024-11-24 21:23:56 UTC Type: Bug
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Description Karolina Surma 2024-11-11 13:45:13 UTC 
python-pexpect fails to build with Python 3.14.0a1.
25 tests failed on multiple pickling errors.

https://docs.python.org/3.14/whatsnew/3.14.html

For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.14/fedora-rawhide-x86_64/08199855-python-pexpect/

For all our attempts to build python-pexpect with Python 3.14, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.14/package/python-pexpect/

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 3.14:
https://copr.fedorainfracloud.org/coprs/g/python/python3.14/

Let us know here if you have any questions.

Python 3.14 is planned to be included in Fedora 43.
To make that update smoother, we're building Fedora packages with all pre-releases of Python 3.14.
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 2024-11-22 15:49:41 UTC 
Upstream PR: https://github.com/pexpect/pexpect/pull/808

I've built this in the Python 3.14 Copr. Will await some feedback and propose a downstream backport later.
Comment 2 Miro Hrončok 2024-11-22 19:23:41 UTC 
Upstream merged my PR, here's the Fedora PR: https://src.fedoraproject.org/rpms/python-pexpect/pull-request/12