def set_temp_url_key(self, key=None):
        if key is None:
            key = uuid.uuid4().hex
        meta = {"Temp-Url-Key": key}
        self.set_account_metadata(meta)
        self._cached_temp_url_key = key
Sets the key for the Temporary URL for the account. It should be a key
dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/StorageClient.set_temp_url_key