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author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-07-04 00:43:09 (GMT) |
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committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-07-04 00:43:09 (GMT) |
commit | 8b0508ed4e1ab32422cf2494c7cd345634912b98 (patch) | |
tree | 6f6d7b92c301b994e3b19f76885b82f257af175c /Lib | |
parent | aa90e7c573ee2edd41a21d2a9f34e6f3d728f5e5 (diff) | |
download | cpython-8b0508ed4e1ab32422cf2494c7cd345634912b98.zip cpython-8b0508ed4e1ab32422cf2494c7cd345634912b98.tar.gz cpython-8b0508ed4e1ab32422cf2494c7cd345634912b98.tar.bz2 |
Issue #12467: warnings: fix a race condition if a warning is emitted at
shutdown, if globals()['__file__'] is None.
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/test/test_warnings.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py index dbf30e9..79be835 100644 --- a/Lib/test/test_warnings.py +++ b/Lib/test/test_warnings.py @@ -542,6 +542,18 @@ class _WarningsTests(BaseTest): assert expected_line self.assertEqual(second_line, expected_line) + def test_filename_none(self): + # issue #12467: race condition if a warning is emitted at shutdown + globals_dict = globals() + oldfile = globals_dict['__file__'] + try: + with original_warnings.catch_warnings(module=self.module) as w: + self.module.filterwarnings("always", category=UserWarning) + globals_dict['__file__'] = None + original_warnings.warn('test', UserWarning) + finally: + globals_dict['__file__'] = oldfile + class WarningsDisplayTests(unittest.TestCase): |