Add logging for receiving updates

aiogram/__init__.py

@@ -1,8 +1,21 @@
 from .api import methods, types
 from .api.client import session
 from .api.client.bot import Bot
+from .dispatcher import filters
+from .dispatcher.dispatcher import Dispatcher
+from .dispatcher.router import Router
 
-__all__ = ("__api_version__", "__version__", "types", "methods", "Bot", "session")
+__all__ = (
+    "__api_version__",
+    "__version__",
+    "types",
+    "methods",
+    "Bot",
+    "session",
+    "Dispatcher",
+    "Router",
+    "filters",
+)
 
 __version__ = "3.0.0a0"
 __api_version__ = "4.4"

aiogram/dispatcher/dispatcher.py

@@ -1,5 +1,7 @@
+import asyncio
 from typing import AsyncGenerator, Optional
 
+from .. import loggers
 from ..api.client.bot import Bot
 from ..api.methods import TelegramMethod
 from ..api.types import Update
@@ -24,9 +26,23 @@ class Dispatcher(Router):
         :param update:
         :return:
         """
+        loop = asyncio.get_running_loop()
+        handled = False
+        start_time = loop.time()
+
         Bot.set_current(bot)
         async for result in self.update_handler.trigger(update, bot=bot, **kwargs):
             yield result
+            handled = True
+
+        finish_time = loop.time()
+        duration = (finish_time - start_time) * 1000
+        loggers.dispatcher.info(
+            "Update id=%s is %s. Duration %d ms.",
+            update.update_id,
+            "handled" if handled else "not handled",
+            duration,
+        )
 
     @classmethod
     async def listen_updates(cls, bot: Bot) -> AsyncGenerator[Update, None]:

aiogram/loggers.py

@@ -0,0 +1,3 @@
+import logging
+
+dispatcher = logging.getLogger("aiogram.dispatcher")