Helper functions for dealing with Cloud Datastore's Protobuf API.
The non-private functions are part of the API.
Classes
GeoPoint
GeoPoint(latitude, longitude)
Simple container for a geo point value.
Parameters | |
---|---|
Name | Description |
latitude |
float
Latitude of a point. |
longitude |
float
Longitude of a point. |
Modules Functions
entity_from_protobuf
entity_from_protobuf(pb)
Factory method for creating an entity based on a protobuf.
The protobuf should be one returned from the Cloud Datastore Protobuf API.
Parameter | |
---|---|
Name | Description |
pb |
The Protobuf representing the entity. |
Returns | |
---|---|
Type | Description |
Entity | The entity derived from the protobuf. |
entity_to_protobuf
entity_to_protobuf(entity)
Converts an entity into a protobuf.
Parameter | |
---|---|
Name | Description |
entity |
Entity
The entity to be turned into a protobuf. |
Returns | |
---|---|
Type | Description |
| The protobuf representing the entity. |
get_read_options
get_read_options(eventual, transaction_id)
Validate rules for read options, and assign to the request.
Helper method for lookup()
and run_query
.
Parameters | |
---|---|
Name | Description |
eventual |
bool
Flag indicating if |
transaction_id |
bytes
A transaction identifier (may be null). |
Exceptions | |
---|---|
Type | Description |
`ValueError | if eventual is True and the transaction_id is not None . |
Returns | |
---|---|
Type | Description |
| The read options corresponding to the inputs. |
key_from_protobuf
key_from_protobuf(pb)
Factory method for creating a key based on a protobuf.
The protobuf should be one returned from the Cloud Datastore Protobuf API.
Parameter | |
---|---|
Name | Description |
pb |
The Protobuf representing the key. |
Returns | |
---|---|
Type | Description |
Key | a new Key instance |