Monitor IP changes with Python and Pushover

gistfile1.py

import re
import os
import uuid
import json
import socket
import urllib, urllib2
import time
 
def get_current_ip():
    req = urllib2.Request('http://checkip.dyndns.org/')
    response = urllib2.urlopen(req)
    the_page = response.read()
 
    p = re.compile(r'(?P >ip<(?:[0-9]{1,3}\.){3}[0-9]{1,3})')
    m = p.search(the_page)
    return m.group('ip')
 
# load settings
current_ip = get_current_ip()
uid = ''
computer_name = ''
last_ip = ''
 
if(os.path.exists('oswos.settings')):
    with open('oswos.settings', 'r') as f:
        content = f.read()
        decoded = json.loads(content)
        uid = decoded.get('guid')
        computer_name = decoded.get('computer_name')
        last_ip = decoded.get('last_ip')
else:
    uid = str(uuid.uuid1())
    computer_name = socket.gethostname()
 
data = { 'guid': uid, 'computer_name': computer_name, 'last_ip': current_ip }
with open('oswos.settings', 'w') as f:
    json.dump(data, f)
 
print 'uid          : {0}'.format(uid)
print 'computer_name: {0}'.format(computer_name)
print 'last_ip      : {0}'.format(last_ip)
print 'current ip   : {0}'.format(current_ip)
 
if(current_ip != last_ip):
    API_URL = "https://api.pushover.net/1/messages.json"
    API_KEY = "api-key-here"
    curUrl = API_URL
 
    data = urllib.urlencode({
        'token': API_KEY,
        'title': 'Oswos Notification',
        'user': 'user-key-here',
        'message': 'IP Changed from {0} to {1}'.format(last_ip,current_ip).encode('utf-8'),
        'timestamp': int(time.time())
            })
 
    req = urllib2.Request(curUrl)
    handle = urllib2.urlopen(req, data)
    handle.close()