Grab bounced emails from Sendgrid

sendgrid.py

import tornado.options 
import urllib2
import json

from tornado.options import define, options

if __name__ == "__main__":

	define("username", help="Your Sendgrid username (usually an email address)")
	define("password", help="Your Sendgrid password")

	tornado.options.parse_command_line()

	password = options.password	
	username = options.username	

	if username is None or password is None:
		 raise Exception("username and password are both required")
	
	url = "https://sendgrid.com/api/bounces.get.json?api_user=%s&api_key=%s" % (username, password)

	response = urllib2.urlopen(url)
	sendgrid_json = json.load(response)
	response.close()

	for bounce in sendgrid_json:
	    print "%s:%s" % (bounce['email'], bounce['reason'])