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bpo-29376: Fix assertion error in threading._DummyThread.is_alive() (GH-329)

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Xiang Zhang 2017-02-27 11:46:37 +08:00 • committed by GitHub
parent b7fb1e25c8
commit 8400ae209b
3 changed files with 9 additions and 0 deletions
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3
Lib/test/test_threading.py
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@ -170,6 +170,9 @@ class ThreadTests(BaseTestCase):
mutex.acquire()
self.assertIn(tid, threading._active)
self.assertIsInstance(threading._active[tid], threading._DummyThread)
#Issue 29376
self.assertTrue(threading._active[tid].is_alive())
self.assertRegex(repr(threading._active[tid]), '_DummyThread')
del threading._active[tid]
# PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)

4
Lib/threading.py
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@ -1215,6 +1215,10 @@ class _DummyThread(Thread):
def _stop(self):
pass
def is_alive(self):
assert not self._is_stopped and self._started.is_set()
return True
def join(self, timeout=None):
assert False, "cannot join a dummy thread"

2
Misc/NEWS
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@ -32,6 +32,8 @@ Extension Modules
Library
-------
- bpo-29376: Fix assertion error in threading._DummyThread.is_alive().
- bpo-29110: Fix file object leak in aifc.open() when file is given as a
filesystem path and is not in valid AIFF format. Patch by Anthony Zhang.