用Python提取url链接中的域名与端口

import urllib   proto, rest = urllib.splittype("http://www.baidu.com/11/12.htm")   host, rest = urllib.splithost(rest)   print host   host, port = urllib.splitport(host)   if port is None:      port = 80   print port  

转自 ：http://www.linuxidc.com/Linux/2011-08/41449.htm