通过互联网获取当前时间

onlinetime.py

import urllib2
import re
import time

def get_online_seconds():
    p = urllib2.urlopen("http://www.baidu.com/").read()
    r = re.findall(r'serverTime : "(.*?)"', p)
    if r:
        t = r[0]
    else:
        t = 0
    return int(t)

t = get_online_seconds()
print t
print time.ctime(t)