Telegram Bot + Transmission Raspberry Pi LED indication

tr_led.py

#!/usr/bin/env python

import RPi.GPIO as GPIO
import transmissionrpc
import time
import sys
import os


class Led:
    def __init__(self, telegram_path, telegram_token, telegram_master, led=37, start_delay=10, transmission_port=9091, transmission_address='localhost'):
        print("Main initialized")
        self.__led = led
        self.__setup_gpio(start_delay, led)
        self.__setup_torrents(telegram_path, telegram_token, telegram_master, transmission_address, transmission_port)

    def __setup_gpio(self, delay, led):
        GPIO.setmode(GPIO.BOARD)
        GPIO.setup(led, GPIO.OUT)
        time.sleep(delay)
        print("GPIO initialized")

    def __gpio_cleanup(self):
        GPIO.cleanup()
        print("GPIO cleaned")

    def __setup_torrents(self, telegram_path, telegram_token, telegram_master, address, port):
        token = "-token=" + telegram_token
        master = "-master=" + telegram_master
        os.system("%s %s %s &" %(telegram_path, token, master))
        self.__tc = transmissionrpc.Client(address, port=port)
        print("Transmission daemon initialized")

    def __get_torrents(self):
        torrents = self.__tc.get_torrents()
        if len(torrents) == 0:
            self.__led_turn_off()
            return
        else:
            self.__led_turn_off()
            statuses = list(map(lambda torrent: torrent.status, torrents))
            if 'downloading' in statuses:
                self.__led_turn_on()
                return
            if 'seeding' in statuses:
                self.__blink()

    def __led_turn_on(self):
        GPIO.output(self.__led, 1)

    def __led_turn_off(self):
        GPIO.output(self.__led, 0)

    def __blink(self):
        for _ in range(3):
            GPIO.output(self.__led, 1)
            time.sleep(1)
            GPIO.output(self.__led, 0)
            time.sleep(1)

    def start_routine(self):
        self.__get_torrents()

    def stop_routine(self):
        self.__gpio_cleanup()

if __name__ == '__main__':
    params = sys.argv
    led = Led(params[1], params[2], params[3])
    try:
        while True:
            led.start_routine()
            time.sleep(5)
    except KeyboardInterrupt:
        led.stop_routine()
        print('\nExiting')
        pass