[issue24773] Implement PEP 495 (Local Time Disambiguation)

[Martin Panter]

Martin Panter added the comment:

FYI, other failures that may be different problems:

http://buildbot.python.org/all/builders/AMD64%20Snow%20Leop%203.x/builds/4930/steps/test/logs/stdio
Timeout (0:15:00)!
Thread 0x00007fff71296cc0 (most recent call first):
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/datetime.py", line 447 in __new__
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/datetime.py", line 1444 in _fromtimestamp
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/datetime.py", line 1467 in utcfromtimestamp
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/datetimetester.py", line 4637 in transitions
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/datetimetester.py", line 4659 in folds
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/datetimetester.py", line 4688 in test_folds
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/unittest/case.py", line 600 in run
  File "/Users/buildbot/buildarea/3.x.murray-snowleopard/build/Lib/test/datetimetester.py", line 4783 in test_all

http://buildbot.python.org/all/builders/AMD64%20OpenIndiana%203.x/builds/11008/steps/test/logs/stdio
======================================================================
ERROR: test_folds (test.datetimetester.IranTest)
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Traceback (most recent call last):
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/test/datetimetester.py", line 4680, in setUp
    self.tz = ZoneInfo.fromname(self.zonename)
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/test/datetimetester.py", line 4514, in fromname
    with open(path, 'rb') as f:
FileNotFoundError: [Errno 2] No such file or directory: '/usr/share/zoneinfo/Iran'

http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/13492/steps/test/logs/stdio
(I also get this OverflowError for a 32-bit ABI build)
======================================================================
ERROR: test_timestamp_naive (test.datetimetester.TestSubclassDateTime)
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Traceback (most recent call last):
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/__init__.py", line 1563, in inner
    return func(*args, **kwds)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/datetimetester.py", line 1931, in test_timestamp_naive
    self.assertEqual(self.theclass.fromtimestamp(s), t)
OverflowError: timestamp out of range for platform time_t

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24773>
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