python自动连接ssh的代码

#!/usr/bin/python
 
#-*- coding:utf-8 -*-
 
import sys,time,os
 
try:
    import pexpect
except ImportError:
    print """
        You must install pexpect module
    """
    sys.exit(1)
 
addr_map = {
    'v3' :('[email?protected]','[email?protected]'),'dev':('[email?protected]','test016'),}
 
try:
    key = sys.argv[1]
    host = addr_map[key]
except:
    print """
        argv error,use it link
        jssh v3,v3 must defined in addr_map
    """
    sys.exit(1)
 
server = pexpect.spawn('/usr/bin/ssh %s' % host[0])
 
server.expect('.*ssword:')
 
server.sendline(host[1])
 
server.interact()