Pass message metadata to interpreter when parsing

changelog/6275.feature.rst

@@ -0,0 +1 @@
+Add optional metadata argument to ``NaturalLanguageInterpreter``'s parse method.

rasa/core/interpreter.py

@@ -53,6 +53,7 @@ async def parse(
         text: Text,
         message_id: Optional[Text] = None,
         tracker: Optional[DialogueStateTracker] = None,
+        metadata: Optional[Dict] = None,
     ) -> Dict[Text, Any]:
         """Parse a text message.
 
@@ -132,6 +133,7 @@ async def parse(
         text: Text,
         message_id: Optional[Text] = None,
         tracker: Optional[DialogueStateTracker] = None,
+        metadata: Optional[Dict] = None,
     ) -> Dict[Text, Any]:
         """Parse a text message.
 

rasa/core/processor.py

@@ -475,7 +475,9 @@ async def parse_message(
                 text, message.message_id, tracker
             )
         else:
-            parse_data = await self.interpreter.parse(text, message.message_id, tracker)
+            parse_data = await self.interpreter.parse(
+                text, message.message_id, tracker, metadata=message.metadata
+            )
 
         logger.debug(
             "Received user message '{}' with intent '{}' "

rasa/shared/nlu/interpreter.py

@@ -20,6 +20,7 @@ async def parse(
         text: Text,
         message_id: Optional[Text] = None,
         tracker: Optional[DialogueStateTracker] = None,
+        metadata: Optional[Dict] = None,
     ) -> Dict[Text, Any]:
         raise NotImplementedError(
             "Interpreter needs to be able to parse messages into structured output."
@@ -130,6 +131,7 @@ async def parse(
         text: Text,
         message_id: Optional[Text] = None,
         tracker: Optional[DialogueStateTracker] = None,
+        metadata: Optional[Dict] = None,
     ) -> Dict[Text, Any]:
         """Parse a text message."""
 

tests/core/test_processor.py

@@ -124,7 +124,7 @@ async def test_http_parsing():
         assert r
 
 
-async def mocked_parse(self, text, message_id=None, tracker=None):
+async def mocked_parse(self, text, message_id=None, tracker=None, metadata=None):
     """Mock parsing a text message and augment it with the slot
     value from the tracker's state."""