def get_temp_url_key(self, cached=True):
        meta = self._cached_temp_url_key
        if not cached or not meta:
            key = "temp_url_key"
            meta = self.get_account_metadata().get(key)
            self._cached_temp_url_key = meta
        return meta
Tests calling update with $set members.
dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/StorageClient.get_temp_url_key--crossover with--dataset/ETHPy150Open vmalloc/mongomock/tests/test__mongomock.py/MongoClientCollectionTest.test__set