python_bot_v2/handlers/sendalarm.py

import traceback

from create_bot import dp, bot
from aiogram import types, Dispatcher
from sqdb import User, session


@dp.message_handler(commands=['sendall'])
async def sendall(message: types.Message):
    print('команда прошла')
    if message.chat.type == 'private':
        if message.from_user.id == 226765676:
            text = message.text[9:]
            try:
                chats_id = session.query(User.chat_id).distinct()
                for row in chats_id:
                    try:
                        await bot.send_message(row[0], text)
                    except Exception as e:
                        print('вероятно бота нет в чате, на всякий случай трейсбек:\n' +
                              "\n".join(traceback.format_tb(e.__traceback__)))
                await bot.send_message(message.from_user.id, 'Сообщение успешно отправлено во все чаты')
            except Exception as e:
                session.rollback()
                print('error sendall, traceback:\n' +
                      "\n".join(traceback.format_tb(e.__traceback__)))
            finally:
                session.close_all()


# def register_handlers_test(dp: Dispatcher):
#     dp.register_message_handler(send_welcome)