monit snmp with snmpwalk

gistfile1.py

import os
import time
import datetime

command = 'snmpwalk -v3  -l NoAuthNoPriv -u cisco 192.168.1.1 "ifInOctets.10"'
r = os.popen(command).read()
last_octes = r.replace("\n", "").split(" ")[-1]
last_octes = int(last_octes)
per = 3
while (True):
  r = os.popen(command).read()
  octes = r.replace("\n", "").split(" ")[-1]
  octes = int(octes)
  width = (octes - last_octes)/1024.0/1024.0/per*8
  print  "%s: %.1fm" % (datetime.datetime.now().strftime("%H:%M:%S"), width)
  last_octes = octes;
  time.sleep(per)