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# Copyright (C) 2007, 2008, 2009, 2011 Canonical Ltd
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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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:param date: A date formated by format_highres_date
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>>> import time, random
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>>> unpack_highres_date('Thu 2005-06-30 12:38:52.350850105 -0500')
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(1120153132.3508501, -18000)
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>>> unpack_highres_date('Thu 2005-06-30 17:38:52.350850105 +0000')
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(1120153132.3508501, 0)
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>>> unpack_highres_date('Thu 2005-06-30 19:38:52.350850105 +0200')
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(1120153132.3508501, 7200)
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>>> unpack_highres_date('Sun 2006-07-09 12:35:38.867522001 +0530')
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(1152428738.867522, 19800)
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>>> from bzrlib.osutils import local_time_offset
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>>> o = local_time_offset()
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>>> t2, o2 = unpack_highres_date(format_highres_date(t, o))
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>>> t -= 24*3600*365*2 # Start 2 years ago
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>>> for count in xrange(500):
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... t += random.random()*24*3600*30
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... o = ((o/3600 + 13) % 25 - 12)*3600 # Add 1 wrap around from [-12, 12]
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... date = format_highres_date(t, o)
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... t2, o2 = unpack_highres_date(date)
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... if t != t2 or o != o2:
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... print 'Failed on date %r, %s,%s diff:%s' % (date, t, o, t2-t)
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# Weekday parsing is locale sensitive, so drop the weekday
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space_loc = date.find(' ')