Query the list of available cars from Communauto's Auto-mobile service

communauto.py

import json
import urllib
import urllib2
import xml.etree.ElementTree as ET

def query_automobiles():
    url = 'https://www.reservauto.net/WCF/LSI/LSIBookingService.asmx/GetVehicleProposals?Callback=?'
    values = {'CustomerID' : '""',
              'Longitude' : '0',
              'Latitude' : '0' }
    headers = { 'Content-Type' : 'application/json; charset=utf-8',
                'Accept': 'application/jsonp; charset=utf-8'}

    data = urllib.urlencode(values)
    req = urllib2.Request(url, data)
    response = urllib2.urlopen(req)
    return json.loads(ET.XML(response.read()).text[1:-2])