bot.py

from telegram.ext import Updater
from secrets import BOT_TOKEN, SUDO_USERS

updater = Updater(BOT_TOKEN, use_context=True)
dp = updater.dispatcher

if __name__ == "__main__":
    import sys
    import os
    from threading import Thread
    from telegram.ext import CommandHandler, Filters
    from handlers import all_handlers
    from secrets import SUDO_ONLY, SUDO_USERS
    import logging

    logging.basicConfig(
        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO)

    logger = logging.getLogger(__name__)

    for arg in sys.argv:
        if "-r" in arg:
            for SUDO_USER in SUDO_USERS:
                updater.bot.send_message(
                    SUDO_USER, arg.replace("-r", "")
                )
            break

    def stop_and_restart(name):
        updater.stop()
        os.system("git pull")
        args = sys.argv
        for i in range(len(args)):
            if "-r" in args[i]:
                del args[i]
        os.execl(
            sys.executable,
            sys.executable,
            *args,
            f"Bot restarted successfully. Initialted by -r{name}."
        )

    def restart(update, context):
        update.message.reply_text("Bot is restarting...")
        Thread(
            target=stop_and_restart,
            args=(update.message.from_user.first_name,)
        ).start()

    for handler in all_handlers:
        if len(handler) == 2:
            if handler[0] == "error":
                dp.add_error_handler(
                    handler[1]
                )
                pass
            else:
                dp.add_handler(
                    handler[0],
                    handler[1]
                )
        else:
            dp.add_handler(
                handler[0]
            )

    dp.add_handler(
        CommandHandler("r", restart, filters=SUDO_ONLY)
    )

    updater.start_polling(drop_pending_updates=True)
    updater.idle()