Added overloads for MatrixBot.download_file

examples/image_bot.py

@@ -52,9 +52,6 @@ async def on_image(ctx: EventContext) -> None:
     s = time.time()
     data = await ctx.bot.download_file(ctx)
     took_time = time.time() - s
-    if not isinstance(data, bytes):
-        await ctx.bot.send_text(ctx.room, "😧")
-        return
     # convert to Image
     with BytesIO(data) as buf:
         img = Image.open(buf)

src/mab/bot/bot.py

@@ -1,7 +1,7 @@
 import asyncio
 import logging
 
-from typing import Callable, Coroutine, Any
+from typing import Callable, Coroutine, Any, overload
 
 from nio import AsyncClient, MatrixRoom, Event
 
@@ -252,6 +252,18 @@ class MatrixBot:
             timeout=timeout
         )
 
+    @overload
+    async def download_file(self,
+                            source: EventContext | Event,
+                            *,
+                            path: str | Path) -> Path: ...
+    
+    @overload
+    async def download_file(self,
+                            source: EventContext | Event,
+                            *,
+                            path: None = None) -> bytes: ...
+    
     async def download_file(self,
                             source: EventContext | Event,
                             *,