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[3.14] gh-136421: Load _datetime static types during interpreter initialization (GH-136583) (GH-136943)

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gh-136421: Load `_datetime` static types during interpreter initialization (GH-136583)

`_datetime` is a special module, because it's the only non-builtin C extension that contains static types. As such, it would initialize static types in the module's execution function, which can run concurrently. Since static type initialization is not thread-safe, this caused crashes. This fixes it by moving the initialization of `_datetime`'s static types to interpreter startup (where all other static types are initialized), which is already properly protected through other locks.
(cherry picked from commit a10960699a)

Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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Miss Islington (bot) 2025-07-22 01:23:05 +02:00 • committed by GitHub
parent 718fc5b139
commit ecd97caaf5
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8 changed files with 111 additions and 95 deletions
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Modules/Setup.stdlib.in
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@ -56,9 +56,6 @@
@MODULE_CMATH_TRUE@cmath cmathmodule.c
@MODULE__STATISTICS_TRUE@_statistics _statisticsmodule.c
# needs libm and on some platforms librt
@MODULE__DATETIME_TRUE@_datetime _datetimemodule.c
# _decimal uses libmpdec
# either static libmpdec.a from Modules/_decimal/libmpdec or libmpdec.so
# with ./configure --with-system-libmpdec