matrix_client: Add remove room alias support

Signed-off-by: Gal Pressman <galpressman@gmail.com>

matrix_client/api.py

@@ -512,3 +512,15 @@ def set_room_alias(self, room_id, room_alias):
 
         return self._send("PUT", "/directory/room/{}".format(quote(room_alias)),
                           content=data, api_path="/_matrix/client/r0")
+
+    def remove_room_alias(self, room_alias):
+        """Remove mapping of an alias
+
+        Args:
+            room_alias(str): The alias to be removed.
+
+        Raises:
+            MatrixRequestError
+        """
+        return self._send("DELETE", "/directory/room/{}".format(quote(room_alias)),
+                          api_path="/_matrix/client/r0")

matrix_client/client.py

@@ -379,3 +379,18 @@ def get_user(self, user_id):
         """
 
         return User(self.api, user_id)
+
+    def remove_room_alias(self, room_alias):
+        """Remove mapping of an alias
+
+        Args:
+            room_alias(str): The alias to be removed.
+
+        Returns:
+            bool: True if the alias is removed, False otherwise.
+        """
+        try:
+            self.api.remove_room_alias(room_alias)
+            return True
+        except MatrixRequestError:
+            return False