def to_delete_mutation(key):
if not helper.is_key_valid(key):
raise ValueError(
'Keys to be deleted from the Cloud Datastore must be '
'complete:\n%s", key')
mutation = datastore_pb2.Mutation()
mutation.delete.CopyFrom(key)
return mutation
def to_upsert_mutation(entity):
if not helper.is_key_valid(entity.key):
raise ValueError(
'Entities to be written to the Cloud Datastore must '
'have complete keys:\n%s' % entity)
mutation = datastore_pb2.Mutation()
mutation.upsert.CopyFrom(entity)
return mutation