Notice: Over the next few months, we're reorganizing the App Engine documentation site to make it easier to find content and better align with the rest of Google Cloud products. The same content will be available, but the navigation will now match the rest of the Cloud products.

Python 3.10 is now generally available.


Converts Index to key.

index A datastore_index.Index instance (not None).

A tuple of the form (kind, ancestor, properties) where properties is a sequence of PropertySpec objects derived from the Index.