datastore: transactions

[beriberikix]

A transaction is an operation or set of operations that is atomic—either all of the operations in the transaction occur, or none of them occur. An application can perform multiple operations and calculations in a single transaction.

Details at /datastore/docs/concepts/transactions

[jgeewax]

I believe this is complete: https://github.com/GoogleCloudPlatform/gcloud-python/blob/af92e745444d9677ea902936efc3bfca61b9352c/gcloud/datastore/transaction.py