Start separating messages into their own subclasses.

main.py

@@ -31,7 +31,12 @@ from typing import (List, Set, Dict, Tuple, Text, Optional, AnyStr, Deque, Any)
 from matrix.colors import Formatted
 from matrix.utf import utf8_decode
 from matrix.http import HttpResponse
-from matrix.api import MatrixMessage, MessageType, matrix_login
+from matrix.api import (
+    MatrixMessage,
+    MessageType,
+    matrix_login,
+    MatrixSendMessage
+)
 from matrix.messages import handle_http_response
 
 # Weechat searches for the registered callbacks in the scope of the main script
@@ -409,8 +414,11 @@ def room_input_cb(server_name, buffer, input_data):
 
     formatted_data = Formatted.from_input_line(input_data)
 
-    message = MatrixMessage(server, OPTIONS, MessageType.SEND, room_id=room_id,
+    message = MatrixSendMessage(
-                            formatted_message=formatted_data)
+        server.client,
+        room_id=room_id,
+        formatted_message=formatted_data
+    )
 
     server.send_or_queue(message)
     return W.WEECHAT_RC_OK

matrix/api.py

@@ -307,6 +307,51 @@ class MatrixMessage:
             self.request = server.client.room_invite(self.room_id, self.user_id)
 
 
+class MatrixGenericMessage():
+    def __init__(
+            self,
+            message_type,     # type: MessageType
+            request_func,     # type: Callable[[...], HttpRequest]
+            func_args,
+    ):
+        # type: (...) -> None
+        self.type = message_type          # type: MessageType
+
+        self.request = None               # type: HttpRequest
+        self.response = None              # type: HttpResponse
+        self.decoded_response = None      # type: Dict[Any, Any]
+
+        self.creation_time = time.time()  # type: float
+        self.send_time = None             # type: float
+        self.receive_time = None          # type: float
+
+        self.request = request_func(**func_args)
+
+
+class MatrixSendMessage(MatrixGenericMessage):
+    def __init__(self, client, room_id, formatted_message):
+        self.room_id = room_id
+        self.formatted_message = formatted_message
+
+        assert self.room_id
+        assert self.formatted_message
+
+        data = {
+            "room_id": self.room_id,
+            "content": self.formatted_message.to_plain()
+        }
+
+        if self.formatted_message.is_formatted:
+            data["formatted_content"] = self.formatted_message.to_html()
+
+        MatrixGenericMessage.__init__(
+            self,
+            MessageType.SEND,
+            client.room_send_message,
+            data
+        )
+
+
 class MatrixUser:
     def __init__(self, name, display_name):
         self.name = name                  # type: str