https://github.com/python/cpython/commit/40c8be0008ecadb5d0dc9a017434b1133a3a6e06
commit: 40c8be0008ecadb5d0dc9a017434b1133a3a6e06
branch: main
author: Thomas Grainger <tagr...@gmail.com>
committer: colesbury <colesb...@gmail.com>
date: 2025-06-04T09:00:25-04:00
summary:
gh-126483: disable warnings filters mutation in concurrent test (GH-132694)
The `test_ssl_in_multiple_threads` test failed because
`test_check_hostname_idn()`
modified the global warnings filters via
`warnings_helper.check_no_resource_warning()`.
Only check for warnings when the context aware warnings feature is enabled,
which makes
the warnings filter context-local and thread-safe.
files:
M Lib/test/test_ssl.py
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 2767a53d53c1fc..f123f6ece40669 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -31,6 +31,7 @@
import platform
import sysconfig
import functools
+from contextlib import nullcontext
try:
import ctypes
except ImportError:
@@ -2843,6 +2844,7 @@ def test_ssl_in_multiple_threads(self):
# See GH-124984: OpenSSL is not thread safe.
threads = []
+ warnings_filters = sys.flags.context_aware_warnings
global USE_SAME_TEST_CONTEXT
USE_SAME_TEST_CONTEXT = True
try:
@@ -2851,7 +2853,10 @@ def test_ssl_in_multiple_threads(self):
self.test_alpn_protocols,
self.test_getpeercert,
self.test_crl_check,
- self.test_check_hostname_idn,
+ functools.partial(
+ self.test_check_hostname_idn,
+ warnings_filters=warnings_filters,
+ ),
self.test_wrong_cert_tls12,
self.test_wrong_cert_tls13,
):
@@ -3097,7 +3102,7 @@ def test_dual_rsa_ecc(self):
cipher = s.cipher()[0].split('-')
self.assertTrue(cipher[:2], ('ECDHE', 'ECDSA'))
- def test_check_hostname_idn(self):
+ def test_check_hostname_idn(self, warnings_filters=True):
if support.verbose:
sys.stdout.write("\n")
@@ -3152,16 +3157,30 @@ def test_check_hostname_idn(self):
server_hostname="python.example.org") as
s:
with self.assertRaises(ssl.CertificateError):
s.connect((HOST, server.port))
- with ThreadedEchoServer(context=server_context, chatty=True) as server:
- with warnings_helper.check_no_resource_warning(self):
- with self.assertRaises(UnicodeError):
- context.wrap_socket(socket.socket(),
- server_hostname='.pythontest.net')
- with ThreadedEchoServer(context=server_context, chatty=True) as server:
- with warnings_helper.check_no_resource_warning(self):
- with self.assertRaises(UnicodeDecodeError):
- context.wrap_socket(socket.socket(),
- server_hostname=b'k\xf6nig.idn.pythontest.net')
+ with (
+ ThreadedEchoServer(context=server_context, chatty=True) as server,
+ (
+ warnings_helper.check_no_resource_warning(self)
+ if warnings_filters
+ else nullcontext()
+ ),
+ self.assertRaises(UnicodeError),
+ ):
+ context.wrap_socket(socket.socket(),
server_hostname='.pythontest.net')
+
+ with (
+ ThreadedEchoServer(context=server_context, chatty=True) as server,
+ (
+ warnings_helper.check_no_resource_warning(self)
+ if warnings_filters
+ else nullcontext()
+ ),
+ self.assertRaises(UnicodeDecodeError),
+ ):
+ context.wrap_socket(
+ socket.socket(),
+ server_hostname=b'k\xf6nig.idn.pythontest.net',
+ )
def test_wrong_cert_tls12(self):
"""Connecting when the server rejects the client's certificate
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