The third thing about Python and Cisco

The following code can be implemented after logging on to the network device through the show CDP nei command to view the neighbor device, and then use stitching to add the description, and then write into the corresponding network device interface.

#!/usr/bin/pythonfrom netmiko import connecthandlerfrom netmiko.ssh_exception import  netmikotimeoutexceptionimport timeimport sysimport getpassimport stringioimport  pprint class cisconetwork ():         def __init__ ( Self,username,password):                  self.username = username                  self.password = password         def ciscodevice (self,iplist):                  self.device={' device_type ': ' Cisco_ios ',                                 ' username ':self.username,                                 ' Password ':self.password,                                ' IP ':iplist                              }                  print ('-' *100 ')                   print  "[+]connect to  network device... %s " % (iplist)               &nbSp;   self.connect = connecthandler (**self.device)                   self.connect.enable ()          def gethostname (self):                 self.hostname = self.connect.find_prompt ()                 self.hostname  = self.hostname.replace ("#", "")                          def show (self):                 self.output =  Self.connect.send_command (' Show cdp nei ')                 &nbSp;lines = self.output.splitlines () [5:-2]                 hostnames = None                 config = []                 for line in lines:                      words = line.split ()                      if len (words)  == 1:                          hostnames = words[0].split ('. ') [0]                    elif hostnames is none:                          Hostnames = words[0].split ('. ') [0]                         local =  '. Join (Words[1:3])                           remote =  ". Join (words[-2:])                          description =  ' _ '. Join ((hostnames,remote))                          config.append (' interface '  +  '   '  + local)                          config.append (' description '  + '   '  +  Description)                          hostnames = None                     else:                           local =  '. Join (Words[0:2])                           remote  =  ". Join (words[-2:])                           description =  ' _ '. Join ((Hostnames,remote))                           config.append (' interface '  +  '   ' + local)                            config.append (' description '  +  '   '  + description)                           hostnames = None                 self.config= ' \ n '. Join (config)                  def configure (self):       &nBsp;         configure = self.connect.send_config_set ( Self.config)                  Saveconfigure = self.connect.send_command (' write  memory ')                  print  configure                 print saveconfigure                        def close (self):                 if self.connect is not None:                         Self.connect.disconnect () &NBsp;                       self.connect = Noneif __name__ ==  ' __main__ ':         print  "[+] this program is beging done ... "         #username  = raw_input (' username: ')           #password  = getpass.getpass ()          for iplist in open ("/opt/other/ip.txt"):                 try:                    switch = cisconetwork ( ' admin ', ' password.123 ')                     switch. Ciscodevice (IPList)                     switch.gethostname ()                     switch.show ()                     switch.configure ()                     switch.close ()                  except  ( Eoferror, netmikotimeoutexception):                    print  (' Can not connect to device ')

The third thing about Python and Cisco