sync-web-time.py

#!/usr/bin/python

import os
import time
import sys

try:
    import urllib2
    r = urllib2.urlopen( "http://baidu.com" if len( sys.argv ) == 1 else sys.argv[1] )
    headers = r.info().dict
except:
    import urllib3
    http = urllib3.PoolManager()
    r = http.request( "GET", "http://baidu.com" if len( sys.argv ) == 1 else sys.argv[1] )
    headers = r.getheaders()

if 'date' in headers:
    t = time.strptime( headers['date'], '%a, %d %b %Y %H:%M:%S GMT' )
    os.system( 'date %02d%02d%02d%02d%02d' % ( t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_year ) )