def METHOD_NAME(self):
    path = self.request.path
    query = {k: v for k, v in self.request.GET.items()}
    query.pop("_", None)
    query.pop('refresh', None)
    query = "&".join(["{}={}".format(k, v) for k, v in query.items()])
    full_path = "{}?{}".format(path, query)
    return md5(full_path.encode()).hexdigest()