Refactor - some module API methods to use a newly created local room …

…member

handler property.

synapse/module_api/__init__.py

@@ -207,6 +207,7 @@ def __init__(self, hs: "HomeServer", auth_handler: AuthHandler) -> None:
         self._registration_handler = hs.get_registration_handler()
         self._send_email_handler = hs.get_send_email_handler()
         self._push_rules_handler = hs.get_push_rules_handler()
+        self._room_member_handler = hs.get_room_member_handler()
         self.custom_template_dir = hs.config.server.custom_template_directory
 
         try:
@@ -999,7 +1000,7 @@ async def update_room_membership(
             if "displayname" not in content:
                 content["displayname"] = profile["displayname"]
 
-        event_id, _ = await self._hs.get_room_member_handler().update_membership(
+        event_id, _ = await self._room_member_handler.update_membership(
             requester=requester,
             target=target_user_id,
             room_id=room_id,
@@ -1468,9 +1469,7 @@ async def lookup_room_alias(self, room_alias: str) -> Tuple[str, List[str]]:
             SynapseError if room alias is invalid or could not be found.
         """
         alias = RoomAlias.from_string(room_alias)
-        (room_id, hosts) = await self._hs.get_room_member_handler().lookup_room_alias(
-            alias
-        )
+        (room_id, hosts) = await self._room_member_handler.lookup_room_alias(alias)
 
         return room_id.to_string(), hosts