bot/__init__.py

from logging import getLogger
from hydrogram import Client
from .config import Telegram

logger = getLogger("bot")

_kwargs = dict(
    name="bot",
    api_id=Telegram.API_ID,
    api_hash=Telegram.API_HASH,
    plugins={"root": "bot/plugins"},
    sleep_threshold=-1,
    max_concurrent_transmissions=10,
)

if Telegram.SESSION_STRING:
    _kwargs["session_string"] = Telegram.SESSION_STRING
elif Telegram.BOT_TOKEN:
    _kwargs["bot_token"] = Telegram.BOT_TOKEN
else:
    raise RuntimeError("Set SESSION_STRING or TELEGRAM_BOT_TOKEN in environment.")

TelegramBot = Client(**_kwargs)