#!/usr/bin/env python

import time

#strtime to timestamp
strTime = "2013-11-05 14:51:43"
timestamp = time.mktime(time.strptime(strTime,'%Y-%m-%d %H:%M:%S'))

print timestamp

#timestamp to string time
print time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(timestamp))

#get now timestamp
print time.time()

#fomate right now timestamp to string time
print time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))

#output
#1383634303.0
#2013-11-05 14:51:43
#1383634321.24
#2013-11-05 14:52:01