Message108462
With python started at the root of the source tree and TZ=US/Eastern in the environment,
>>> exec(open('Doc/includes/tzinfo-examples.py').read())
>>> import os
>>> os.environ['TZ']
'US/Eastern'
>>> from datetime import *
>>> x = datetime(2010, 11, 7, 5, tzinfo=timezone.utc)
>>> print(x, x.astimezone(Local), x.astimezone(Eastern))
2010-11-07 05:00:00+00:00 2010-11-07 01:00:00-04:00 2010-11-07 01:00:00-05:00
>>> x.astimezone(Local).dst() == x.astimezone(Eastern).dst()
False
Note that according to my understanding of the long comment at the end of datetimemodule.c, zone conversion from UTC is a well defined operation unless there is a bug in tzinfo subclass implementation. |
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Date |
User |
Action |
Args |
2010-06-23 17:14:47 | belopolsky | set | recipients:
+ belopolsky, docs@python |
2010-06-23 17:14:47 | belopolsky | set | messageid: <1277313287.04.0.19115846548.issue9063@psf.upfronthosting.co.za> |
2010-06-23 17:14:45 | belopolsky | link | issue9063 messages |
2010-06-23 17:14:44 | belopolsky | create | |
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