from sys import exit

import sisqo

router = sisqo.SSH('router.example.com', username='jdoe')

switch.onRead(lambda data: sys.stderr.write(str(data)))
switch.onWrite(lambda data: sys.stderr.write(str(data)))

with router:

    if not router.authenticate('password123'):

        exit(1)  # could not authenticate with the router

    if not router.enable('123456'):

        exit(2)  # could not enable on the router

    router.write('show version')
    versionInformation = router.read()  #= "Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M) ..."
    print(versionInformation)

    runningConfig = router.showRunningConfig()

    # hostname router1
    # !
    # interface GigabitEthernet0/0
    #   shutdown
    # interface GigabitEthernet0/1
    #   shutdown
    # !
    # router bgp 12345
    #   network 55.66.77.88/24
    #   neighbor 11.22.33.44
    #     remote-as 54321
    #     timers 7 21
    #   neighbor 22.33.44.55
    #     remote-as 98765
    #     timers 7 21

    routerBGP = runningConfig.findChild('router bgp \d+')  #= "router bgp 12345"
    asn = routerBGP.value.split()[-1]  #= "12345"

    print('BGP neighbors of ASN {}'.format(asn))

    bgpNeighbors = routerBGP.findChildren('neighbor .+')

    for neighbor in bgpNeighbors:  #= [<neighbor 11.22.33.44>, <neighbor 22.33.44.55>]

        ipAddress = neighbor.value  #= "neighbor 11.22.33.44"
        ipAddress = ipAddress.split()[-1]  #= "11.22.33.44"

        print("Neighbor: {}".format(ipAddress))