import sys
import telnetlib

#Read the ip address from the router
host = open("ips.txt","r")




def telnet(host):

#My user and password
user="test"
password="teste"
#essa variavel aqui é  para poder criar o arquivo de backup com o ip do equipamento
backupfile = host


    tn= telnetlib.Telnet(host)
    tn.read.until("Username")
    tn.write(user+"\n")
    tn.read.until("Password")
    tn.write(password+"\n")
#Cisco commands to do the backup
    tn.write("enable\n")
    tn.write("cisco\n")
    tn.write("terminal length 0\n")
    tn.write("show running\n")
    tn;wrote("exit\n")
#Creating the file
    out = tn.read_all()
    file=open("backupfile.txt","w")
    file.write(out)
    file.close()
    tn.close()