initial commit

venv/lib/python3.12/site-packages/aiogram/handlers/message.py

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+from abc import ABC
+from typing import Optional, cast
+
+from aiogram.filters import CommandObject
+from aiogram.handlers.base import BaseHandler, BaseHandlerMixin
+from aiogram.types import Chat, Message, User
+
+
+class MessageHandler(BaseHandler[Message], ABC):
+    """
+    Base class for message handlers
+    """
+
+    @property
+    def from_user(self) -> Optional[User]:
+        return self.event.from_user
+
+    @property
+    def chat(self) -> Chat:
+        return self.event.chat
+
+
+class MessageHandlerCommandMixin(BaseHandlerMixin[Message]):
+    @property
+    def command(self) -> Optional[CommandObject]:
+        if "command" in self.data:
+            return cast(CommandObject, self.data["command"])
+        return None