[issue19874] test_logging failures on Snow Leopard

[Antoine Pitrou]

New submission from Antoine Pitrou:

"test_race" in test_logging fails intermittently on the Snow Leopard buildbot:

http://buildbot.python.org/all/builders/AMD64%20Snow%20Leop%203.x/builds/741

======================================================================
ERROR: test_race (test.test_logging.HandlerTest)
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Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/test_logging.py", line 613, in test_race
    h.handle(r)
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/logging/__init__.py", line 835, in handle
    self.emit(record)
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/logging/handlers.py", line 468, in emit
    self.stream = self._open()
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/logging/__init__.py", line 1005, in _open
    return open(self.baseFilename, self.mode, encoding=self.encoding)
PermissionError: [Errno 1] Operation not permitted: '/tmp/test_logging-3-0my8mx_f.log'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/test_logging.py", line 616, in test_race
    h.close()
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/logging/__init__.py", line 990, in close
    self.flush()
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/logging/__init__.py", line 937, in flush
    self.stream.flush()
ValueError: I/O operation on closed file.

----------
components: Library (Lib), Tests
messages: 205098
nosy: pitrou, r.david.murray, vinay.sajip
priority: normal
severity: normal
stage: needs patch
status: open
title: test_logging failures on Snow Leopard
type: behavior
versions: Python 2.7, Python 3.3, Python 3.4

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<http://bugs.python.org/issue19874>
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