aiogram/examples/specify_updates.py

from aiogram.types.inline_keyboard_button import InlineKeyboardButton
from aiogram.types.inline_keyboard_markup import InlineKeyboardMarkup
from aiogram.dispatcher.router import Router
from aiogram.utils.handlers_in_use import get_handlers_in_use
import logging

from aiogram import Bot, Dispatcher
from aiogram.types import Message, ChatMemberUpdated, CallbackQuery

TOKEN = "6wo"
dp = Dispatcher()

logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)

@dp.message(commands={"start"})
async def command_start_handler(message: Message) -> None:
    """
    This handler receive messages with `/start` command
    """

    await message.answer(f"Hello, <b>{message.from_user.full_name}!</b>", 
        reply_markup=InlineKeyboardMarkup(
            inline_keyboard=[
                [
                    InlineKeyboardButton(text="Tap me, bro", callback_data="*")
                ]
            ]
        )
    )


@dp.chat_member()
async def chat_member_update(chat_member: ChatMemberUpdated, bot: Bot) -> None:
    await bot.send_message(chat_member.chat.id, f"Member {chat_member.from_user.id} was changed from {chat_member.old_chat_member.is_chat_member} to {chat_member.new_chat_member.is_chat_member}")

# this router will use only callback_query updates
sub_router = Router()

@sub_router.callback_query()
async def callback_tap_me(callback_query: CallbackQuery) -> None:
    await callback_query.answer("Yeah good, now i'm fine")

# this router will use only edited_message updates
sub_sub_router = Router()

@sub_sub_router.edited_message()
async def callback_tap_me(edited_message: Message) -> None:
    await edited_message.reply("Message was edited, big brother watch you")


# this router will use only my_chat_member updates
deep_dark_router = Router()

@deep_dark_router.my_chat_member()
async def my_chat_member_change(chat_member: ChatMemberUpdated, bot: Bot) -> None:
    await bot.send_message(chat_member.chat.id, f"Member was changed from {chat_member.old_chat_member.is_chat_member} to {chat_member.new_chat_member.is_chat_member}")


def main() -> None:
    # Initialize Bot instance with an default parse mode which will be passed to all API calls
    bot = Bot(TOKEN, parse_mode="HTML")

    sub_router.include_router(deep_dark_router)

    dp.include_router(sub_router)
    dp.include_router(sub_sub_router)

    useful_updates = get_handlers_in_use(dp)

    # And the run events dispatching
    dp.run_polling(
        bot,
        allowed_updates=useful_updates
    )


if __name__ == "__main__":
    main()