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[3.12] gh-109653: Reduce the import time of random by 60% (GH-110221) (#110247)

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gh-109653: Fix regression in the import time of `random` in Python 3.12 (GH-110221)
(cherry picked from commit 21a6263020)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
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Miss Islington (bot) 2023-10-02 16:31:55 -07:00 • committed by GitHub
parent 892b1942a7
commit 41e8e1553f
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2 changed files with 3 additions and 1 deletions
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2
Lib/random.py
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@ -65,7 +65,7 @@ import _random
try: try:
# hashlib is pretty heavy to load, try lean internal module first # hashlib is pretty heavy to load, try lean internal module first
from _sha512 import sha512 as _sha512 from _sha2 import sha512 as _sha512
except ImportError: except ImportError:
# fallback to official implementation # fallback to official implementation
from hashlib import sha512 as _sha512 from hashlib import sha512 as _sha512

2
Misc/NEWS.d/next/Library/2023-10-02-15-40-10.gh-issue-109653.iB0peK.rst Normal file
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@ -0,0 +1,2 @@
Fix a Python 3.12 regression in the import time of :mod:`random`. Patch by Alex
Waygood.