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# Date/time manipulation
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import datetime
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import time
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epoch_year = datetime.datetime.utcfromtimestamp(0).year
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def timestamp(datetime_): return time.mktime(datetime_.timetuple())
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def strftime(format, datetime_):
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'''datetime.strftime() can't handle years before 1900'''
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return (datetime_.replace(year=epoch_year, day=1).strftime(format
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.replace('%Y', '%%Y')
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.replace('%d', '%%d')
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)
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.replace('%Y', '%04d' % datetime_.year)
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.replace('%d', '%02d' % datetime_.day)
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)
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