https://github.com/python/cpython/commit/abefbcba8a0ced0f729c08031672d6f188059181
commit: abefbcba8a0ced0f729c08031672d6f188059181
branch: 3.13
author: Miss Islington (bot) <[email protected]>
committer: vstinner <[email protected]>
date: 2024-07-04T18:07:07Z
summary:

[3.13] gh-121084: Fix test_typing random leaks (GH-121360) (#121373)

gh-121084: Fix test_typing random leaks (GH-121360)

Clear typing ABC caches when running tests for refleaks (-R option):
call _abc_caches_clear() on typing abstract classes and their
subclasses.
(cherry picked from commit 5f660e8e2ca3acfb89ccbdd990f072149b6baa6a)

Co-authored-by: Victor Stinner <[email protected]>

files:
A Misc/NEWS.d/next/Tests/2024-07-04-15-10-29.gh-issue-121084.qxcd5d.rst
M Lib/test/libregrtest/utils.py

diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py
index 0167742d388a2c..f4d3b005af8f5e 100644
--- a/Lib/test/libregrtest/utils.py
+++ b/Lib/test/libregrtest/utils.py
@@ -264,6 +264,12 @@ def clear_caches():
         for f in typing._cleanups:
             f()
 
+        import inspect
+        abs_classes = filter(inspect.isabstract, typing.__dict__.values())
+        for abc in abs_classes:
+            for obj in abc.__subclasses__() + [abc]:
+                obj._abc_caches_clear()
+
     try:
         fractions = sys.modules['fractions']
     except KeyError:
diff --git 
a/Misc/NEWS.d/next/Tests/2024-07-04-15-10-29.gh-issue-121084.qxcd5d.rst 
b/Misc/NEWS.d/next/Tests/2024-07-04-15-10-29.gh-issue-121084.qxcd5d.rst
new file mode 100644
index 00000000000000..b91ea8acfadbf1
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2024-07-04-15-10-29.gh-issue-121084.qxcd5d.rst
@@ -0,0 +1,3 @@
+Fix test_typing random leaks. Clear typing ABC caches when running tests for
+refleaks (``-R`` option): call ``_abc_caches_clear()`` on typing abstract
+classes and their subclasses. Patch by Victor Stinner.

_______________________________________________
Python-checkins mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3/lists/python-checkins.python.org/
Member address: [email protected]

Reply via email to