Python脚本查看思科设备的接口

#!/usr/bin/env python
import paramiko
import sys
import time
 
class CiscoSwitch():
         def __init__(self,host,username,password):
                  self.username  = username
                  self.host      = host
                  self.password  = password
 
         def Login(self):
                  self.child = paramiko.SSHClient()
                  self.child.set_missing_host_key_policy(paramiko.AutoAddPolicy())
                  self.child.connect(self.host,username=self.username,password=self.password)
                  self.remote = self.child.invoke_shell()
        
        def showcmd(self,cmd):
                 print "[+] Connect to Router..."
                 self.remote.send("\n")
                 self.remote.send(cmd)
                 time.sleep(0.5)
                 output = self.remote.recv(5000)
                 print output
 
if __name__ == '__main__':
       print "[+] This Program is beging done..."
       for ip in open("/opt/other/ip.txt"):
            Switch = CiscoSwitch(ip,'admin','Password.123')
            Switch.Login()
            Switch.showcmd("show ip int brief\n")