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bpo-44584: Deprecate PYTHONTHREADDEBUG env var (GH-27065)

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The threading debug (PYTHONTHREADDEBUG environment variable) is
deprecated in Python 3.10 and will be removed in Python 3.12. This
feature requires a debug build of Python.
(cherry picked from commit 4d77691172)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2021-08-06 04:32:37 -07:00 • committed by GitHub
parent 0a642d5773
commit a11158ecef
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7 changed files with 49 additions and 1 deletions
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13
Lib/test/test_threading.py
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@ -32,6 +32,9 @@
# on platforms known to behave badly.
platforms_to_skip = ('netbsd5', 'hp-ux11')
# Is Python built with Py_DEBUG macro defined?
Py_DEBUG = hasattr(sys, 'gettotalrefcount')
def restore_default_excepthook(testcase):
testcase.addCleanup(setattr, threading, 'excepthook', threading.excepthook)
@ -915,6 +918,16 @@ def noop(): pass
threading.Thread(target=noop).start()
# Thread.join() is not called
@unittest.skipUnless(Py_DEBUG, 'need debug build (Py_DEBUG)')
def test_debug_deprecation(self):
# bpo-44584: The PYTHONTHREADDEBUG environment variable is deprecated
rc, out, err = assert_python_ok("-Wdefault", "-c", "pass",
PYTHONTHREADDEBUG="1")
msg = (b'DeprecationWarning: The threading debug '
b'(PYTHONTHREADDEBUG environment variable) '
b'is deprecated and will be removed in Python 3.12')
self.assertIn(msg, err)
class ThreadJoinOnShutdown(BaseTestCase):