loader.py

from aiogram import Bot, Dispatcher
from aiogram.utils.i18n import I18n
from motor.motor_tornado import MotorClient
from aiogram.enums import ParseMode
from aiogram.client.bot import DefaultBotProperties

from data.config import (
    I18N_DOMAIN,
    I18N_PATH,
    MONGO_NAME,
    MONGO_URL,
    RD_URI,
    TELEGRAM_BOT_TOKEN,
)

bot = Bot(
    TELEGRAM_BOT_TOKEN,
    default=DefaultBotProperties(
        parse_mode=ParseMode.HTML, link_preview_is_disabled=True
    ),
)
if RD_URI:
    from aiogram.fsm.storage.redis import RedisStorage
    from redis.asyncio.client import Redis

    storage = RedisStorage(Redis.from_url(RD_URI))
else:
    from aiogram.fsm.storage.memory import MemoryStorage

    storage = MemoryStorage()

dp = Dispatcher(storage=storage)
client = MotorClient(MONGO_URL)
db = client[MONGO_NAME]

i18n = I18n(path=I18N_PATH, domain=I18N_DOMAIN)
_ = i18n.gettext