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GH-116738: document thread-safety of bisect - #136555
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picnixz
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Jul 11, 2025
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Possible suggestions:
- Use a
.. note::if you think users should know about it. - Use a
.. warning::if you think users should be careful about it. - Do not use either of them if you think it's just good that users know about it (a note or a warning is quite visible in the sense that it creates a box where the entire content is inside that box).
- Use a subsection about thread-safetiness. Or use a small warning box just saying that the functions are not thread-safe, and add a link to a section at the bottom of the page that contains more detailed explanations.
cc @hugovk
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nascheme
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July 14, 2025 18:50
rhettinger
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July 15, 2025 03:17
| @@ -0,0 +1,57 @@ | |||
| import unittest | |||
| from test.support import import_helper, threading_helper | |||
| from threading import Thread, Barrier | |||
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Suggested change
| from threading import Thread, Barrier |
this would fix lint CI
kumaraditya303
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Jul 24, 2025
kumaraditya303
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needs backport to 3.13
nascheme
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July 30, 2025 02:21
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Thanks @nascheme for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14. |
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(cherry picked from commit 5236b02) Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
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(cherry picked from commit 5236b02) Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
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GH-137221 is a backport of this pull request to the 3.14 branch. |
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GH-137222 is a backport of this pull request to the 3.13 branch. |
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…6555) (python#137221) Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
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I don't think it makes sense to make these functions thread-safe. They are already unsafe when used in the default build. And, given that they can operate on any sequence object, trying to lock the sequence object doesn't make sense.
I added a unit test because I believe these functions should not crash or produce TSAN warnings when they are used on a sequence being mutated in another thread.
📚 Documentation preview 📚: https://cpython-previews--136555.org.readthedocs.build/