From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 2 Oct 2023 23:31:55 +0000 (-0700)
Subject: [3.12] gh-109653: Reduce the import time of `random` by 60% (GH-110221) (#110247)
X-Git-Tag: v3.12.1~396
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=41e8e1553f7e4fa97265b02e18fdc2a22b6a6611;p=thirdparty%2FPython%2Fcpython.git

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

gh-109653: Fix regression in the import time of `random` in Python 3.12 (GH-110221)
(cherry picked from commit 21a6263020db17020b2886f996bc23aa8cb7fbdf)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
---

diff --git a/Lib/random.py b/Lib/random.py
index 1d789b107904..1cfc2ba2f025 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -65,7 +65,7 @@ import _random
 
 try:
     # 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:
     # fallback to official implementation
     from hashlib import sha512 as _sha512
diff --git a/Misc/NEWS.d/next/Library/2023-10-02-15-40-10.gh-issue-109653.iB0peK.rst b/Misc/NEWS.d/next/Library/2023-10-02-15-40-10.gh-issue-109653.iB0peK.rst
new file mode 100644
index 000000000000..54330976d71d
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-10-02-15-40-10.gh-issue-109653.iB0peK.rst
@@ -0,0 +1,2 @@
+Fix a Python 3.12 regression in the import time of :mod:`random`. Patch by Alex
+Waygood.