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Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-109653: Reduce the import time of random by 60% (#110221)

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Alex Waygood 2023-10-02 23:56:31 +01:00 • committed by GitHub
parent 4596c76d1a
commit 21a6263020
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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.