import urllib
proto, rest = urllib.splittype("http://www.75271.com/11/12.htm")
host, rest = urllib.splithost(rest)
print host
host, port = urllib.splitport(host)
if port is None:
port = 80
print port
import urllib
proto, rest = urllib.splittype("http://www.75271.com/11/12.htm")
host, rest = urllib.splithost(rest)
print host
host, port = urllib.splitport(host)
if port is None:
port = 80
print port