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From: Karolina Surma <ksurma@redhat.com>
Date: Wed, 12 Mar 2025 14:46:09 +0100
Subject: Avoid the multiprocessing forkserver method
From Python 3.14 on, the default method of spawning processes on
non-macOS POSIX systems has been changed from fork to forkserver.
Ensure the correct method is used in the test.
Origin: upstream, https://github.com/candlepin/python-iniparse/pull/38
Bug-Debian: https://bugs.debian.org/1123527
Last-Update: 2026-01-01
---
tests/test_multiprocessing.py | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/tests/test_multiprocessing.py b/tests/test_multiprocessing.py
index 44a891b..01a5a0c 100644
--- a/tests/test_multiprocessing.py
+++ b/tests/test_multiprocessing.py
@@ -1,6 +1,6 @@
import unittest
try:
- from multiprocessing import Process, Queue, Pipe
+ from multiprocessing import Process, Queue, Pipe, get_start_method, get_context
disabled = False
except ImportError:
Process = None
@@ -14,6 +14,16 @@ from iniparse import ini
class TestIni(unittest.TestCase):
"""Test sending INIConfig objects."""
+ # Since Python 3.14 on non-macOS POSIX systems
+ # the default method has been changed to forkserver.
+ # The code in this module does not work with it,
+ # hence the explicit change to 'fork'
+ # See https://github.com/python/cpython/issues/125714
+ if get_start_method() == "forkserver":
+ _mp_context = get_context(method="fork")
+ else:
+ _mp_context = get_context()
+
def test_queue(self):
def getxy(_q, _w):
_cfg = _q.get_nowait()
@@ -23,6 +33,6 @@ class TestIni(unittest.TestCase):
q = Queue()
w = Queue()
q.put(cfg)
- p = Process(target=getxy, args=(q, w))
+ p = self._mp_context.Process(target=getxy, args=(q, w))
p.start()
self.assertEqual(w.get(timeout=1), '42')
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