python 时间戳转标准时间

#coding:UTF-8
import time

timestamp = '1462451389'

#转换成localtime
time_local = time.localtime(int(timestamp))
#转换成新的时间格式(2016-05-05 20:28:54)
dt = time.strftime("%Y-%m-%d %H:%M:%S",time_local)

print dt

注意timestamp需要是整形