controller.py

import RPi.GPIO as GPIO

import requests

import threading
import time

LOW = GPIO.LOW
HIGH = GPIO.HIGH

GPIO.setmode(GPIO.BCM)

GPIO.setwarnings(False)

GPIO.setup(9, GPIO.IN)
GPIO.setup(25, GPIO.IN)
GPIO.setup(11, GPIO.IN)
GPIO.setup(8, GPIO.IN)

# Currently, not used
GPIO.setup(14, GPIO.OUT)
GPIO.output(14, LOW)


def error_thread():
    for i in range(24):
        GPIO.output(14, (i + 1) % 2)
        time.sleep(0.2)


def rehearsal_on(channel):
    try:
        print('Attempting rehearsal on...')
        r = requests.get('http://txlight.ystv.york.ac.uk/?rehearsal_on')
        if not r.status_code == 204:
            print('Rehearsal on fail!')
            error = threading.Thread(target=error_thread)
            error.start()
        else:
            print('Rehearsal on success!')
    except:
        error = threading.Thread(target=error_thread)
        error.start()

def transmission_on(channel):
    try:
        print('Attempting transmission on...')
        r = requests.get('http://txlight.ystv.york.ac.uk/?transmission_on')
        if not r.status_code == 204:
            print('Transmission on fail!')
            error = threading.Thread(target=error_thread)
            error.start()
        else:
            print('Transmission on success!')
    except:
        error = threading.Thread(target=error_thread)
        error.start()


def rehearsal_transmission_on(channel):
    try:
        print('Attempting rehearsal transmission on...')
        r = requests.get('http://txlight.ystv.york.ac.uk/?rehearsal_transmission_on')
        if not r.status_code == 204:
            print('Rehearsal transmission on fail!')
            error = threading.Thread(target=error_thread)
            error.start()
        else:
            print('Rehearsal transmission on success!')
    except:
        error = threading.Thread(target=error_thread)
        error.start()


def rehearsal_transmission_off(channel):
    try:
        print('Attempting rehearsal transmission off...')
        r = requests.get('http://txlight.ystv.york.ac.uk/?rehearsal_transmission_off')
        if not r.status_code == 204:
            print('Rehearsal transmission off fail!')
            error = threading.Thread(target=error_thread)
            error.start()
        else:
            print('Rehearsal transmission off success!')
    except:
        error = threading.Thread(target=error_thread)
        error.start()


print('Ben says to \"log shit\"...\nFine')

GPIO.add_event_detect(9, GPIO.RISING, callback=rehearsal_on)
GPIO.add_event_detect(25, GPIO.RISING, callback=transmission_on)
GPIO.add_event_detect(11, GPIO.RISING, callback=rehearsal_transmission_on)
GPIO.add_event_detect(8, GPIO.RISING, callback=rehearsal_transmission_off)

while True:
    time.sleep(60)