Checks for new versions of ChromeOS, sends an email if they exist. Python 2.7, requires Sparkpost API key and client library to be installed.

os-check.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# os-check.py // jeffhobbs@gmail.com
# check chromeOS site for specific updates

import csv, urllib2
from sparkpost import SparkPost

# customize the list of devices, email addresses, and add your own SparkPost API key
# if you want to be alerted on minor point releases, change "False" to "True"
devices = ['eve','panther']
email_to = 'your_email_here@domain.com'
email_from = 'address_to_send_from@domain.com'
sparkpost_api_key = 'get_yours_at_sparkpost_dot_com'
alert_on_minor_updates = False
url = 'https://cros-updates-serving.appspot.com/csv'

# read last version numbers
def read_version_number(device):
	f = open(device + '.txt','r')
	version = f.read()
	f.close()
	return version

# save current version numbers
def save_version_number(device,version):
	f = open(device + '.txt','w')
	f.write(version)
	f.close()

# send off an email
def send_email_sparkpost(to,subject,body):
    sp = SparkPost(sparkpost_api_key)
    response = sp.transmissions.send(
        recipients=[to],
        html=body,
        text=body,
        from_email= '🤖 OS CHECK<' + email_from + '>',
        track_clicks=False,
        subject=subject
    )
    print "SENDING EMAIL..."

# main function
if __name__ == '__main__':
	response = urllib2.urlopen(url)
	cr = csv.reader(response)
	for row in cr:
		if (row[0] in devices):
			device = row[0]
			version = row[2]
			if not (alert_on_minor_updates):
				version = version.split('.', 1)[0]
			lastCheckedVersion = read_version_number(device)
			if (version > lastCheckedVersion):
				message = "New ChromeOS detected for " + device + ": " +  version
				print message
				send_email_sparkpost(email_to,"New ChromeOS detected", message)
			else:
				print (device + ": " + version)
			save_version_number(device,version)
				
# fin