tg-bot.py

from telegram.ext import (Updater, CommandHandler, RegexHandler, ConversationHandler)


def tele(direction, pair, bot, update):
    update.message.reply_text(
        "Signal Detected by IcarusBot: " + direction + " on " + pair)

    return SIGNALS


bots = []
updates = []

def start(bot, update):
    bots.append(bot)
    updates.append(update)
    update.message.reply_text(
        "Hi. I'm IcarusBot. I'm waiting for your input!")

    return SIGNALS
  
  
def cancel(bot, update):
  user = update.message.from_user
  update.message.reply_text('Bye! I hope we can talk again some day.')

  return ConversationHandler.END


def error(bot, update, error):
    """Log Errors caused by Updates."""
    # print('Update "%s" caused error "%s"', update, error)
    pass


def main():
    try:
        print("Listening to Telegram Channel...")
        updater = Updater(token)
        dp = updater.dispatcher
        conv_handler = ConversationHandler(
            entry_points=[CommandHandler('start', start)],

            states={
                SIGNALS: []
            },

            fallbacks=[CommandHandler('cancel', cancel)]
        )

        dp.add_handler(conv_handler)
        dp.add_error_handler(error)
        updater.start_polling()
        updater.idle()
    except Exception as e:
        log(e)
        
        
if __name__ == '__main__':
    main()