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39 lines
872 B
39 lines
872 B
# $Id: datetime.py,v 1.1 2011-09-01 15:34:03 wirawan Exp $
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#
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# wpylib.datetime
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# Created: 20110901
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# Wirawan Purwanto
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#
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"""
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wpylib.datetime
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Frequently used date/time related tools.
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Do not confuse this with python's core datetime module, which
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is not being replaced by this module!
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"""
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import sys
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import time
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def date8():
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"""Returns a standard 8-digit representation of the current date."""
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return time.strftime("%Y%m%d")
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def time_diff(time1, time2):
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"""Returns the time difference (time1 - time2) in seconds."""
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from time import mktime
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return mktime(time1) - mktime(time2)
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def shift_time(t, dt, localtime=True):
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"""Shifts a time data by an amount in dt (specified in seconds)."""
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if isinstance(t, time.struct_time):
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t1 = time.mktime(t) + dt
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else:
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t1 = t + dt
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if localtime:
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return time.localtime(t1)
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else:
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return time.gmtime(t1)
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