python uses paramiko module to configure switch through ssh2 protocol

This code uses the paramiko module, and the python version is python 2.7

The source code below

# -*- coding: utf-8 -*-

import paramiko
import time
import os

port = '22'
username = '****'
password = '****'
ip = '****'  #  Switch for test ip

msg1flag = 0
mycmd1flag = 0

#  Core method that connects to the remote host and opens the 1 Terminal, and returns the terminal 
def msg1(ip,mport,musername,mpassword,mflag):
  try:
    #  Settings ssh Connected remote host address and port 
    t = paramiko.Transport(ip, mport)
    #  Set the login name and password 
    t.connect(username=musername, password=mpassword)
    #  Open after successful connection 1 A channel
    chan = t.open_session()
    #  Set the session timeout 
    chan.settimeout(timeout=180)
    #  Open the remote terminal
    chan.get_pty()
    #  Activate terminal
    chan.invoke_shell()
    return chan
  except Exception,e:
    mflag += 1
    time.sleep(5)
    if mflag < 3:
      msg1(ip,mport,musername,mpassword,mflag)

#  Huang Donglin Switch Opens Special Audit 
def mycmd(chan,my1flag):
  try:
    chan.send('system' + '\n') #  Input command 
    chan.send('****' + '\n')  #  Input command 
    chan.send('****' + '\n')
    chan.send('****' + '\n')
    time.sleep(50)
    i = 1
    while i < 3:
      chan.send('\n')
      i += 1
    time.sleep(2)
    result = chan.recv(65535)   #  Get the result returned by the command 
    print result
    strlen = len(result)      #  Get the length of the resulting string 
    print strlen
    return result

  except Exception,e:
    # print e
    my1flag += 1
    time.sleep(5)
    if my1flag < 3:
      mycmd(chan,my1flag)



nowtime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time())) #  Time 

#  Test item 
chan_ip_test = msg1(ip,port,username,password,msg1flag)
resu_ip_test = mycmd(chan_ip_test,mycmd1flag)