Fix custom HelpFormatter for Python 3.14#3524
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gaborbernat merged 2 commits intotox-dev:mainfrom May 13, 2025
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python/cpython#132323 passes prefix_chars= (and other arguments) to the formatter_class, but the custom HelpFormatter only accepted prog=. Accept any keyword arguments and pass them on to the parent class. Fixes tox-dev#3523
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RTD build failure is unrelated: File "/home/docs/checkouts/readthedocs.org/user_builds/tox/checkouts/3524/.tox/docs/lib/python3.13/site-packages/snowballstemmer/__init__.py", line 27, in stemmer
raise KeyError("Stemming algorithm '%s' not found" % lang)
KeyError: "Stemming algorithm 'porter' not found"Test failures seem unrelated too: |
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GitHub Actions supports 3.14 beta 1 (which is why I saw this error in wntrblm/nox#970), so it could be added to the CI. |
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The snowball thing is yanked, so that should be fine now. The wheel change is something separate that needs fixing in the tests, probably related to virtualenv. |
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I'm also seeing this locally: |
hugovk
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May 11, 2025
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hugovk
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Thanks, cnfirmed this PR fixes tox on 3.14.
Error before:
https://github.com/hugovk/cherry-picker/actions/runs/14954301375/job/42007915084
Passes with this PR:
https://github.com/hugovk/cherry-picker/actions/runs/14954355501/job/42008033162
(Windows failure is unrelated: python/cpython#133779)
joe10833
approved these changes
Jul 23, 2025
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python/cpython#132323 passes prefix_chars= (and other arguments) to the formatter_class, but the custom HelpFormatter only accepted prog=.
Accept any keyword arguments and pass them on to the parent class.
Fixes #3523
tox -e fix)docs/changelogfolder