#!/usr/bin/env python

import requests
import json
from requests.auth import HTTPBasicAuth

if __name__ == "__main__":

    auth = HTTPBasicAuth('cisco', 'cisco')
    headers = {
        'Content-Type': 'application/json'
    }

    payload = {
        "ins_api": {
            "version": "1.0",
            "type": "cli_show",
            "chunk": "0",
            "sid": "1",
            "input": "show version",
            "output_format": "json"
        }
    }
    url = 'http://nxosv/ins'

    response = requests.post(url, data=json.dumps(payload), headers=headers, auth=auth)

    print 'Status Code: ' + str(response.status_code)
    rx_object = json.loads(response.text)
    print json.dumps(rx_object, indent=4)
    print 'OS: ', rx_object['ins_api']['outputs']['output']['body']['sys_ver_str']

=================
#!/usr/bin/env python

import requests
import json
from requests.auth import HTTPBasicAuth

if __name__ == "__main__":

    auth = HTTPBasicAuth('cisco', 'cisco')
    headers = {
        'Content-Type': 'application/json'
    }

    payload = {
        "ins_api": {
            "version": "1.0",
            "type": "cli_show",
            "chunk": "0",
            "sid": "1",
            "input": "show interface mgmt0",
            "output_format": "json"
        }
    }
    url = 'http://nxosv/ins'

    response = requests.post(url, data=json.dumps(payload), headers=headers, auth=auth)
    rx_object = json.loads(response.text)

    interface = rx_object['ins_api']['outputs']['output']['body']['TABLE_interface']['ROW_interface']

    print "Management Interface Information:"
    print "IP Address:  " +  interface['eth_ip_addr'] + '/' + str(interface['eth_ip_mask'])
    print "Speed:      ", interface['eth_speed']
    print "State:      ", interface['state']
    print "MTU:        ", interface['eth_mtu']

================

#!/usr/bin/env python

import request
import json
from requests.auth import HTTPBasicAuth

if __name__ == "__main__":

    auth = HTTPBasicAuth('cisco', 'cisco')
    headers = {
        'Content-Type': 'application/json'
    }

    commands = ['config t', 'vlan 150', 'exit', 'interface Eth2/5', 'switchport', 'switchport access vlan 150']

    commands = ' ; '.join(commands)


    # you could have also manually created a semi-colon delimited string.
    # testing this in NX-API sandbox will show you the proper format required


    payload = {
        "ins_api": {
            "version": "1.0",
            "type": "cli_conf",
            "chunk": "0",
            "sid": "1",
            "input": commands,
            "output_format": "json"
        }
    }
    url = 'http://nxosv/ins'

    response = requests.post(url, data=json.dumps(payload), headers=headers, auth=auth)
    rx_object = json.loads(response.text)

    print json.dumps(rx_object, indent=4)

==============
#!/usr/bin/env python

from ncclient import manager

if __name__ == '__main__':

    with manager.connect(host='nxosv', port=22, username='cisco', password='cisco',
                         hostkey_verify=False, device_params={'name': 'nexus'},
                         allow_agent=False, look_for_keys=False) as device:

        get_filter = """
                      <show>
                        <version>
                        </version>
                      </show>
                      """
        nc_get_reply = device.get(('subtree', get_filter))
        print 'Response as XML String: '
        print nc_get_reply.xml

        ns_map = {'mod': 'http://www.cisco.com/nxos:1.0:sysmgrcli'}
        xml_rsp_cid = nc_get_reply.data_ele.find('.//mod:chassis_id', ns_map)
        cid_value = xml_rsp_cid.text
        xml_rsp_sw = nc_get_reply.data_ele.find('.//mod:sys_ver_str', ns_map)
        sw_value = xml_rsp_sw.text

        print '================================='
        print 'Chassis ID: ', cid_value
        print 'Software Versi

==============

python nc_config_interface.py

#!/usr/bin/env python

from ncclient import manager

if __name__ == '__main__':

    with manager.connect(host='nxosv', port=22, username='cisco', password='cisco',
                         hostkey_verify=False, device_params={'name': 'nexus'},
                         allow_agent=False, look_for_keys=False) as device:

        commands = ['config t', 'interface Ethernet2/6', 'switchport', 'description Configured by Python ncclient']
        nc_config_reply = device.exec_command(commands)
        print nc_config_reply.xml