As with database connections, in a webapp context it would be good to allow sharing a pool of datasets or buckets across requests. I have a start at one here:

GoogleCloudPlatform/google-cloud-python-expenses-demo@2ca42e2

with integration into a Pyramid webapp, showing how the pools would be used here:

GoogleCloudPlatform/google-cloud-python-expenses-demo@9c0f8b7