fixed domain configuration access to intents

rasa_core/domain.py

@@ -233,7 +233,8 @@ def get_parsing_states(self, tracker):
         # be ignored for the current intent
         for entity in tracker.latest_message.entities:
             intent_name = tracker.latest_message.intent.get("name")
-            should_use_entity = self._intents[intent_name]['use_entities']
+            intent_config = self.intent_config(intent_name)
+            should_use_entity = intent_config.get('use_entities', True)
             if should_use_entity:
                 key = "entity_{0}".format(entity["entity"])
                 state_dict[key] = 1.0
@@ -381,6 +382,11 @@ def intents(self):
         raise NotImplementedError(
                 "domain must provide a list of intents")
 
+    def intent_config(self, intent_name):
+        # type: (Text) -> Dict[Text, Any]
+        """Return the configuration for an intent."""
+        return {}
+
     @abc.abstractproperty
     def actions(self):
         # type: () -> List[Action]
@@ -553,6 +559,11 @@ def slots(self):
     def intents(self):
         return sorted(self._intents.keys())
 
+    def intent_config(self, intent_name):
+        # type: (Text) -> Dict[Text, Any]
+        """Return the configuration for an intent."""
+        return self._intents.get(intent_name, {})
+
     @utils.lazyproperty
     def entities(self):
         return self._entities