v1 milestone

venv/lib/python3.12/site-packages/aiogram/dispatcher/middlewares/error.py

@@ -0,0 +1,36 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Awaitable, Callable, Dict, cast
+
+from ...types import TelegramObject, Update
+from ...types.error_event import ErrorEvent
+from ..event.bases import UNHANDLED, CancelHandler, SkipHandler
+from .base import BaseMiddleware
+
+if TYPE_CHECKING:
+    from ..router import Router
+
+
+class ErrorsMiddleware(BaseMiddleware):
+    def __init__(self, router: Router):
+        self.router = router
+
+    async def __call__(
+        self,
+        handler: Callable[[TelegramObject, Dict[str, Any]], Awaitable[Any]],
+        event: TelegramObject,
+        data: Dict[str, Any],
+    ) -> Any:
+        try:
+            return await handler(event, data)
+        except (SkipHandler, CancelHandler):  # pragma: no cover
+            raise
+        except Exception as e:
+            response = await self.router.propagate_event(
+                update_type="error",
+                event=ErrorEvent(update=cast(Update, event), exception=e),
+                **data,
+            )
+            if response is not UNHANDLED:
+                return response
+            raise