# -*- coding: UTF-8 -*-

import telnetlib

import time

import datetime

import os

import json

Username=

Password=

ip=

enable_passwd=

file='/opt/test.txt'

def connect(ip, username, password, enable_passwd):

    tn = telnetlib.Telnet(ip.encode('utf-8'))

    tn.read_until('Username: ')  # 用户名

    tn.write(username.encode('utf-8') + '\n')

    tn.read_until('Password: ')  # 密码

    tn.write(password.encode('utf-8') + '\n')

    tn.write('enable' + '\n')

    tn.read_until('Password: ')   #enable 模式

    tn.write(enable_passwd.encode('utf-8') + '\n')

    if tn.read_until('#'):

        tn.write('terminal length 0' + '\n')

        print '登录成功'

        time.sleep(1)

        tn.write('configure terminal' + '\n')  # 进入设置模式

        time.sleep(1)

    return tn

def split_res(info):

    info = info.strip().split('\r\n')[1:-1]

    return '\n'.join(info)

def run_command(tn, command):

    print '开始执行命令: {}'.format(command)

    tn.write(command + '\n')

    time.sleep(3)

    strs =  split_res(tn.read_very_eager())

    return strs

def main(file):

    with open(file[0], 'r') as f:

        command_list = f.readlines()

    client = connect(ip, Username, Password, enable_passwd)

    for lien in command_list:

        print lien.split("\n")[0]

        res = run_command(client, lien.split("\n")[0])   # 执行配置下发

        print res

    print "执行完成"

    return True

if __name__ == '__main__':

    main(file)