Agent

The Agent class provides a convenient interface for the most important Rasa functionality.

This includes training, handling messages, loading a dialogue model, getting the next action, and handling a channel.

Methods

create_processor(preprocessor=None)

Instantiates a processor based on the set state of the agent.

Return type: MessageProcessor

_async_ execute_action(sender_id, action, output_channel, policy, confidence)

Handle a single message.

Return type: DialogueStateTracker

handle_channels(channels, http_port=5005, route='/webhooks/', cors=None)

Start a webserver attaching the input channels and handling msgs.

Return type: Sanic

_async_ handle_message(message, message_preprocessor=None, **kwargs)

Handle a single message.

Return type: Optional[List[Dict[str, Any]]]

_async_ handle_text(text_message, message_preprocessor=None, output_channel=None, sender_id='default')

Handle a single message.

If a message preprocessor is passed, the message will be passed to that function first and the return value is then used as the input for the dialogue engine.

Return type: Optional[List[Dict[str, Any]]]

is_core_ready()

Check if all necessary components and policies are ready to use the agent.

Return type: bool

is_ready()

Check if all necessary components are instantiated to use the agent.

Return type: bool

_classmethod_ load(model_path, interpreter=None, generator=None, tracker_store=None, lock_store=None, action_endpoint=None, model_server=None, remote_storage=None, path_to_model_archive=None)

Load a persisted model from the passed path.

Return type: Agent

_async_ load_data(training_resource, remove_duplicates=True, unique_last_num_states=None, augmentation_factor=50, tracker_limit=None, use_story_concatenation=True, debug_plots=False, exclusion_percentage=None)

Load training data from a resource.

Return type: List[DialogueStateTracker]

_async_ log_message(message, message_preprocessor=None, **kwargs)

Append a message to a dialogue - does not predict actions.

Return type: DialogueStateTracker

_async_ parse_message_using_nlu_interpreter(message_data, tracker=None)

Handles message text and intent payload input messages.

Return type: Dict[str, Any]

persist(model_path)

Persists this agent into a directory for later loading and usage.

Return type: None

_async_ predict_next(sender_id, **kwargs)

Handle a single message.

Return type: Optional[Dict[str, Any]]

toggle_memoization(activate)

Toggles the memoization on and off.

Return type: None

train(training_trackers, **kwargs)

Train the policies / policy ensemble using dialogue data from file.

Return type: None

_async_ trigger_intent(intent_name, entities, output_channel, tracker)

Trigger a user intent, e.g. triggered by an external event.

Return type: None

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