Python script to download and install EXOS image multiple times

Below Python script and UPM configuration could be used to try upgrade on the switch multiple times.
This script used to make switch download and install EXOS image multiple times.

[upgrade.py]

import time

import re

import sys

def upgrade():

for loop in range(1, 51):

upgradeCMD = 'download image x.x.x.x summitX-16.2.3.5-patch1-3.xos vr
"VR-Mgmt" primary'

result = open('/usr/local/tmp/upgraderesult.txt', 'a')

cmdOutput = exsh.clicmd(upgradeCMD,capture=True)

result.write(cmdOutput)

time.sleep(10)

result.close()

if __name__ == '__main__':

   try:

       upgrade()

   except SystemExit:

       pass

[configuration]

create upm profile testprofile

load script upgrade.py

.

configure upm profile testprofile maximum execution-time 590

create upm timer testtimer

configure upm timer testtimer profile testprofile

configure upm timer testtimer after 10 every 900