Digital Ocean API - Dynamic IP Record Updater

ipupdate.py

#!/usr/bin/env python3
domain = "" # Root domain
record = "" # Record to update
token  = "" # API token (needs write access)

try :
    import os.path
    from urllib.request import urlopen
    from urllib.error import URLError
    from base64 import b64decode as decode
    import digitalocean # pip install python-digitalocean

except ImportError as e :
    raise Exception("Missing package: " + str(e))

try :
    ip = urlopen("http://myip.dnsdynamic.org/").read().decode("UTF-8")

except URLError :
    exit("Could not obtain current IP address (timeout)")

if os.path.isfile("lastaddress") :
    with open("lastaddress", "r") as ipcheck :
        lastaddress = ipcheck.read()
        if(ip == lastaddress) :
            exit(0)

do = digitalocean.Domain(token=token, name=domain)
rec = do.get_records()

for r in rec :
  if r.name == record :
    r.data = ip
    r.save()

with open("lastaddress", "w") as ipcheck :
    ipcheck.write(ip)

exit(0)