Propagate message params (#6830)

examples/reference/chat/ChatFeed.ipynb

@@ -116,7 +116,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "message = chat_feed.send(\"Hello world!\", user=\"Bot\", avatar=\"B\")"
+    "message = chat_feed.send(\n",
+    "    \"Hello world!\",\n",
+    "    user=\"Bot\",\n",
+    "    avatar=\"B\",\n",
+    "    footer_objects=[pn.widgets.Button(name=\"Footer Object\")],\n",
+    ")"
    ]
   },
   {
@@ -148,7 +153,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "message = chat_feed.send({\"object\": \"Welcome!\", \"user\": \"Bot\", \"avatar\": \"B\"})"
+    "message = chat_feed.send({\"object\": \"Welcome!\", \"user\": \"Bot\", \"avatar\": \"B\", \"footer_objects\": [pn.widgets.Button(name=\"Footer Object\")]})"
    ]
   },
   {
@@ -850,7 +855,13 @@
    "outputs": [],
    "source": [
     "# streams (appends) to the previous message\n",
-    "message = chat_feed.stream(\" World!\", user=\"Aspiring User\", avatar=\"🤓\", message=message)"
+    "message = chat_feed.stream(\n",
+    "    \" World!\",\n",
+    "    user=\"Aspiring User\",\n",
+    "    avatar=\"🤓\",\n",
+    "    message=message,\n",
+    "    footer_objects=[pn.widgets.Button(name=\"Footer Object\")],\n",
+    ")"
    ]
   },
   {

panel/chat/feed.py

@@ -346,6 +346,7 @@ def _build_message(
         value: dict,
         user: str | None = None,
         avatar: str | bytes | BytesIO | None = None,
+        **input_message_params
     ) -> ChatMessage | None:
         """
         Builds a ChatMessage from the value.
@@ -366,6 +367,7 @@ def _build_message(
             message_params["avatar"] = avatar
         if self.width:
             message_params["width"] = int(self.width - 80)
+        message_params.update(input_message_params)
 
         message = ChatMessage(**message_params)
         return message
@@ -568,6 +570,7 @@ def send(
         user: str | None = None,
         avatar: str | bytes | BytesIO | None = None,
         respond: bool = True,
+        **message_params
     ) -> ChatMessage | None:
         """
         Sends a value and creates a new message in the chat log.
@@ -584,6 +587,8 @@ def send(
             The avatar to use; overrides the message message's avatar if provided.
         respond : bool
             Whether to execute the callback.
+        message_params : dict
+            Additional parameters to pass to the ChatMessage.
 
         Returns
         -------
@@ -599,7 +604,7 @@ def send(
         else:
             if not isinstance(value, dict):
                 value = {"object": value}
-            message = self._build_message(value, user=user, avatar=avatar)
+            message = self._build_message(value, user=user, avatar=avatar, **message_params)
         self.append(message)
         self.param.trigger("_post_hook_trigger")
         if respond:
@@ -613,6 +618,7 @@ def stream(
         avatar: str | bytes | BytesIO | None = None,
         message: ChatMessage | None = None,
         replace: bool = False,
+        **message_params
     ) -> ChatMessage | None:
         """
         Streams a token and updates the provided message, if provided.
@@ -635,6 +641,8 @@ def stream(
             The message to update.
         replace : bool
             Whether to replace the existing text when streaming a string or dict.
+        message_params : dict
+            Additional parameters to pass to the ChatMessage.
 
         Returns
         -------
@@ -657,14 +665,17 @@ def stream(
                     message.avatar = avatar
             else:
                 message.update(value, user=user, avatar=avatar)
+
+            if message_params:
+                message.param.update(**message_params)
             return message
 
         if isinstance(value, ChatMessage):
             message = value
         else:
             if not isinstance(value, dict):
                 value = {"object": value}
-            message = self._build_message(value, user=user, avatar=avatar)
+            message = self._build_message(value, user=user, avatar=avatar, **message_params)
         self._replace_placeholder(message)
 
         self.param.trigger("_post_hook_trigger")

panel/tests/chat/test_feed.py

@@ -69,10 +69,11 @@ def test_card_params(self, chat_feed):
         assert not chat_feed._card.hide_header
 
     def test_send(self, chat_feed):
-        message = chat_feed.send("Message")
+        message = chat_feed.send("Message", footer_objects=[HTML("Footer")])
         wait_until(lambda: len(chat_feed.objects) == 1)
         assert chat_feed.objects[0] is message
         assert chat_feed.objects[0].object == "Message"
+        assert chat_feed.objects[0].footer_objects[0].object == "Footer"
 
     def test_link_chat_log_objects(self, chat_feed):
         chat_feed.send("Message")
@@ -164,21 +165,23 @@ def test_respond_without_callback(self, chat_feed):
         chat_feed.respond()  # Should not raise any errors
 
     def test_stream(self, chat_feed):
-        message = chat_feed.stream("Streaming message", user="Person", avatar="P")
+        message = chat_feed.stream("Streaming message", user="Person", avatar="P", footer_objects=[HTML("Footer")])
         assert len(chat_feed.objects) == 1
         assert chat_feed.objects[0] is message
         assert chat_feed.objects[0].object == "Streaming message"
         assert chat_feed.objects[0].user == "Person"
         assert chat_feed.objects[0].avatar == "P"
+        assert chat_feed.objects[0].footer_objects[0].object == "Footer"
 
         updated_entry = chat_feed.stream(
-            " Appended message", user="New Person", message=message, avatar="N"
+            " Appended message", user="New Person", message=message, avatar="N", footer_objects=[HTML("New Footer")]
         )
         wait_until(lambda: len(chat_feed.objects) == 1)
         assert chat_feed.objects[0] is updated_entry
         assert chat_feed.objects[0].object == "Streaming message Appended message"
         assert chat_feed.objects[0].user == "New Person"
         assert chat_feed.objects[0].avatar == "N"
+        assert chat_feed.objects[0].footer_objects[0].object == "New Footer"
 
         new_entry = chat_feed.stream("New message")
         wait_until(lambda: len(chat_feed.objects) == 2)