python_telnet h3c 路由器

#!/usr/bin/env python
import telnetlib
import time
def h3c_telnet(ip,username,password1,password2,type):
try:
tn = telnetlib.Telnet(ip,timeout=5)
time.sleep(1)
tn.write(username + '\r\n')
tn.read_until('Password:',timeout=5)
tn.write(password1 + '\r\n')
if password2 != 'null':
tn.write('super\r\n')
tn.write(password2 + '\r\n')
r1 = tn.read_very_eager()
filename = 'config/' + 'h3c.txt'
f = file(filename,'r')
commands = f.readlines()
for command in commands:
tn.write(str(command) + '\r\n')
time.sleep(1)
alert = tn.read_very_eager()
tn.close()
#print alert
except Exception as e:
alert = ip + ' --> Login failed'
#	print alert
return alert
if __name__ == '__main__':
ip = '10.170.63.100'
username = "test"
password1 = "test"
password2 = "null"
type = 'h3c'
h3c_telnet(ip,username,password1,password2,type)