urlinfo: fix handler selection

hotdog/command/urlinfo.py

@@ -215,6 +215,11 @@ def full_url(ref: str) -> str:
     return f"http://{ref}" if ref.startswith("www") else ref
 
 
+class GenericHandler:
+    extractor = generic_extractor
+    handle = generic_handler
+
+
 async def handle(message: Message):
     if message.command and message.command not in {"u", "url"}:
         return
@@ -229,18 +234,15 @@ async def handle(message: Message):
     for url in urls:
         for handler in handlers:
             if handler.can_handle(url):
-                handler = handler.handle
-                extractor = handler.extractor
                 break
         else:
-            if not (
-                message.command
-            ):  # We only want the generic handler if we were called explicitly
-                continue
-            handler = generic_handler
-            extractor = generic_extractor
+            # We only want the generic handler if we were called explicitly
+            handler = GenericHandler if message.command else None
 
-        info = await load_info(url, extractor, cachetoken())
+        if handler is None:
+            continue
+
+        info = await load_info(url, handler.extractor, cachetoken())
         if not info:
             continue
-        await handler(message, url, info)
+        await handler.handle(message, url, info)