Update naming and description of the method

rasa_sdk/executor.py

@@ -166,8 +166,8 @@ def __init__(self) -> None:
  self.actions: Dict[Text, Callable] = {}
  self._modules: Dict[Text, TimestampModule] = {}
  self._loaded: Set[Type[Action]] = set()
- self.domain: Dict[Text, Any] = {}
- self.domain_digest: Text = ""
+ self.domain: Dict[Text, Any] = None
+ self.domain_digest: Text = None
 
  def register_action(self, action: Union[Type[Action], Action]) -> None:
  if inspect.isclass(action):
@@ -399,24 +399,31 @@ def is_domain_digest_valid(self, domain_digest: Text) -> bool:
  """
  return bool(self.domain_digest) and self.domain_digest == domain_digest
 
- def get_domain(
+ def update_and_return_domain(
  self, payload: Dict[Text, Any], action_name: Text
  ) -> Dict[Text, Any]:
- """Retrieve the Domain dictionary.
+ """Validate the digest, store the domain if available, and return the domain.
 
- This method returns the proper domain if present, otherwise raises the error.
+ This method validates the domain digest from the payload.
+ If the digest is invalid and no domain is provided, an exception is raised.
+ If domain data is available, it stores the domain and digest.
+ Finally, it returns the domain.
 
  Args:
- payload: request payload containing the Domain data.
- action_name: name of the action that should be executed.
+ payload: Request payload containing the domain data.
+ action_name: Name of the action that should be executed.
 
  Returns:
- The Domain dictionary.
+ The domain dictionary.
+
+ Raises:
+ ActionMissingDomainException: Invalid digest and no domain data available.
+
  """
  payload_domain = payload.get("domain")
  payload_domain_digest = payload.get("domain_digest")
 
- # If digest is invalid (empty or mismatched) and no domain is available - raise the error
+ # If digest is invalid and no domain is available - raise the error
  if (
  not self.is_domain_digest_valid(payload_domain_digest)
  and not payload_domain
@@ -440,7 +447,7 @@ async def run(self, action_call: "ActionCall") -> Optional[Dict[Text, Any]]:
  raise ActionNotFoundException(action_name)
 
  tracker_json = action_call["tracker"]
- domain = self.get_domain(action_call, action_name)
+ domain = self.update_and_return_domain(action_call, action_name)
  tracker = Tracker.from_dict(tracker_json)
  dispatcher = CollectingDispatcher()
 

rasa_sdk/interfaces.py

@@ -391,7 +391,7 @@ class ActionMissingDomainException(Exception):
 
  def __init__(self, action_name: Text, message: Optional[Text] = None) -> None:
  self.action_name = action_name
- self.message = message or f"Domain context is missing."
+ self.message = message or "Domain context is missing."
 
  def __str__(self) -> Text:
  return self.message