rasa.shared.core.slot_mappings

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SlotMapping Objects

Defines functionality for the available slot mappings.

validate

@staticmethod
def validate(mapping: Dict[Text, Any], slot_name: Text) -> None:
    
    Validates a slot mapping.

**Arguments**:

- `mapping` - The mapping which is validated.
- `slot_name` - The name of the slot which is mapped by this mapping.

**Raises**:

- `InvalidDomain` - In case the slot mapping is not valid.

intent_is_desired

@staticmethod
def intent_is_desired(mapping: Dict[Text, Any], tracker: "DialogueStateTracker", domain: "Domain") -> bool:
    
    Checks whether user intent matches slot mapping intent specifications.

to_list

@staticmethod
def to_list(x: Optional[Any]) -> List[Any]:
    
    Convert object to a list if it isn't.

entity_is_desired

@staticmethod
def entity_is_desired(mapping: Dict[Text, Any], tracker: "DialogueStateTracker") -> bool:
    
    Checks whether slot should be filled by an entity in the input or not.

**Arguments**:

- `mapping` - Slot mapping.
- `tracker` - The tracker.

**Returns**:

True, if slot should be filled, false otherwise.

check_mapping_validity

@staticmethod
def check_mapping_validity(slot_name: Text, mapping_type: SlotMappingType, mapping: Dict[Text, Any], domain: "Domain") -> bool:
    
    Checks the mapping for validity.

**Arguments**:

- `slot_name` - The name of the slot to be validated.
- `mapping_type` - The type of the slot mapping.
- `mapping` - Slot mapping.
- `domain` - The domain to check against.

**Returns**:

True, if intent and entity specified in a mapping exist in domain.

validate_slot_mappings

def validate_slot_mappings(domain_slots: Dict[Text, Any]) -> None:
    
    Raises InvalidDomain exception if slot mappings are invalid.