python telnetlib第一例

#-*- coding: utf-8 -*-
import telnetlib
host = {}
host['ip']='127.0.0.1'
host['user']='user'
host['password']='password***'
host['commands']=['cd /home/xxxxx', 'ls -l --color=no']
def (host):    
    tn = telnetlib.Telnet(host['ip'])
#    tn.set_debuglevel(2)    
    tn.read_until("login: ")    
    tn.write(host['user'] + "n")    
    tn.read_until("Password: ")    
    tn.write(host['password'] + "n")
#    tn.read_all()    
    for command in host['commands']:        
    	tn.write(command+'n')
    tn.write("exit")    
    print tn.read_all()
    print 'Finish!'
do(host)