code: def httpdo(method, url, data=None):
      
      if isinstance(data, dict):
          data = json.dumps(data)
      if DEBUG:
          print "Shell: curl -X {method} -d '{data}' '{url}'".format(method=method, data=data or '', url=url)
  
      fn = dict(GET=requests.get, POST=requests.post, DELETE=requests.delete)[method]
      response = fn(url, data=data)
      retjson = response.json()
      if DEBUG:
          print 'Return:', json.dumps(retjson, indent=4)
      r = convert(retjson)
      if r.status != 0:
          raise WebDriverError(r.status, r.value)
      return r
docs: Do HTTP Request