gistfile1.txt

#!/usr/bin/env python

import json
import requests

def main():
    update_record('example.com', 'home', 'ID')

def update_record(zone, name, id):
    newip = requests.get('https://icanhazip.com').text.rstrip()

    baseurl = 'https://api.digitalocean.com'
    apiurl = "/v2/domains/%s/records/%s" %(zone, id)
    headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'}

    payload = {'name': name, 'id': id, 'type': 'A', 'data': newip}

    r = requests.put(baseurl+apiurl, headers=headers, data=json.dumps(payload))

    print json.dumps(json.loads(r.text), indent=2)
    print ""
    print "Record updated.  New ip: %s" %newip

if __name__ == "__main__":
    main()