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gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cache #106974

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Merged
ericsnowcurrently merged 14 commits into from
Jul 28, 2023
Merged

gh-105699: Use a _Py_hashtable_t for the PyModuleDef Cache #106974

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3397777
Add a comment.
ericsnowcurrently Jul 19, 2023
670e632
Add a TODO.
ericsnowcurrently Jul 19, 2023
485d130
Use a low-level hashtable instead of a dict.
ericsnowcurrently Jul 21, 2023
77d5e8f
Drop _PyThreadState_*Detached().
ericsnowcurrently Jul 19, 2023
04a19c4
Set "byname" properly for the reload case.
ericsnowcurrently Jul 24, 2023
5fde127
Use a flat hashtable instead of a nested one.
ericsnowcurrently Jul 27, 2023
818d828
Merge branch 'main' into fix-extensions-tstate-alt
ericsnowcurrently Jul 27, 2023
e83b0cc
Use the right allocator.
ericsnowcurrently Jul 27, 2023
9e81cd5
Use PyUnicode_AsUTF8AndSize() (and fix the assert).
ericsnowcurrently Jul 28, 2023
430716b
Raise MemoryError where appropriate.
ericsnowcurrently Jul 28, 2023
647fbc2
Add a comment.
ericsnowcurrently Jul 28, 2023
bbe5eda
Use a constant for the cache separator character.
ericsnowcurrently Jul 28, 2023
1d7cbd0
Decref when clearing the hashtable.
ericsnowcurrently Jul 28, 2023
20c8b9d
Make the cached module defs immortal.
ericsnowcurrently Jul 28, 2023
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Add a TODO.
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@ericsnowcurrently
ericsnowcurrently committed Jul 21, 2023
commit 670e632496b32dc638117e3a5d42df877aae0182
2 changes: 2 additions & 0 deletions Python/import.c
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Expand Up @@ -3055,6 +3055,8 @@ void
_PyImport_Fini(void)
{
/* Destroy the database used by _PyImport_{Fixup,Find}Extension */
// XXX Should we actually leave them (mostly) intact, since we don't
// ever dlclose() the module files?
_extensions_cache_clear_all();

/* Use the same memory allocator as _PyImport_Init(). */
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