[3.9] bpo-44050: Extension modules can share state when they don't support sub-interpreters. (GH-27794)#28741
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ambv merged 2 commits intopython:3.9from Oct 5, 2021
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…pport sub-interpreters. (pythonGH-27794) Automerge-Triggered-By: GH:encukou. (cherry picked from commit b9bb748) Co-authored-by: Hai Shi <shihai1992@gmail.com>
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(cherry picked from commit b9bb748)
Co-authored-by: Hai Shi shihai1992@gmail.com
Note: this is a little different from 3.10 and 3.11 because in 3.10+
_Py_IsMainInterpretertakesPyInterpreterStateinstead of the entirePyThreadStateas an argument (see GH-24577 for that).Also, the new test uses
PyModule_AddObjectRefwhich was only added in Python 3.10 (see GH-23122). I replaced this usage with the oldPyModule_AddObjectwith additional increfs and decrefs per what BPO-42327 prescribes.https://bugs.python.org/issue44050