pythonでdatetimeとtimestampを相互変換するコード

よく忘れるのでメモ。

#!/usr/bin/env python2.7
# -*- coding:utf-8 -*-


import time
import datetime

def convert_dt2epoch():
    """convert datetime object to epochtime
       http://d.hatena.ne.jp/tozawan/20110110/1294666583
    """
    dt = datetime.datetime.now()
    print dt

    epoch = time.mktime(dt.timetuple())
    print epoch

def convert_epoch2dt():
    """convet epochtime to datetime object"""
    tm = time.time()
    print tm
    dt = datetime.datetime.fromtimestamp(tm)
    print dt

if __name__ == '__main__':
    print "convert_dt2epoch's result:"
    convert_dt2epoch()
    print "\n"
    print "convert_epoch2dt's result:"
    convert_epoch2dt()

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