import time
import pexpect

up = pexpect.spawn('sudo dnf update')

if up.expect(['(?i)password.*']) == 0:
    up.sendline('crazyhardpassword')
    time.sleep(2)
else:
    print("Permissions already elevated...")

if up.expect(['.*[y/N].*']) == 0:
    up.sendline('Y')
    time.sleep(2)
else:
    print("No upgrade approval prompt displayed!")

if up.expect(['(?i)^nothing.*rnComplete!.*']) == 0:
    print("No updates available...")
else:
    raise AssertionError("Upgrade request failed!!!")