The Google Cloud Client Library is the idiomatic way for Python 3.7 developers to integrate their apps with GCP services on the Python 3.7 runtime.
For a complete list of all of the Python libraries for the supported GCP services, see APIs & Python Libraries
Assume that you want to use Cloud Datastore on your local machine.
To install the Python client library for Cloud Datastore:
Install the client library locally by using
pip install google-cloud-datastore
Use the Cloud Datastore Client Libraries reference to implement support for the Cloud Datastore service in your app.
If you want to use Python client libraries in your App Engine app, see Specifying Dependencies.