Python script for Raspberry Pi Bv2 with Adafruit 2.8" TFT resistive touch screen that will play/pause playback, play Yle X3M or Radio Nova with tactile buttons using GPIO

gpio.py

import RPi.GPIO as GPIO
from mpd import MPDClient
import time

GPIO.setmode(GPIO.BCM)

GPIO.setup(18, GPIO.IN, pull_up_down = GPIO.PUD_UP)
GPIO.setup(27, GPIO.IN, pull_up_down = GPIO.PUD_UP)
GPIO.setup(22, GPIO.IN, pull_up_down = GPIO.PUD_UP)
GPIO.setup(23, GPIO.IN, pull_up_down = GPIO.PUD_UP)

global client
global radio1, radio2

radio1 = False
radio2 = False

def reconnect_mpd():
    global client

    client = MPDClient()
    client.timeout = 10
    client.idletimeout = None
    noConnection = True

    while noConnection:
        try:
            client.connect("localhost", 6600)
            noConnection=False
        except Exception, e:
            print e
            noConnection=True
            time.sleep(15)

    print "Connection Established!"

def get_playback_status():
    global client
    try:
        status = client.status()
        s = status["state"]
        status = client.status()
        s = status["state"]
    except Exception as e:
        print e
        s = "error"
    return s
    
def play_pause(channel):
    global client
    status = get_playback_status()
    if status == "error":
        reconnect_mpd()
        status = get_playback_status()
    
    if status == "pause":
        print "Resume"
        client.pause(0)
    elif status == "play":
        print "Pause"
        client.pause(1)
    else:
        print "Play"
        client.play()
        
def play_radio1(channel):
    global client, radio1
    print "Yle X3M"
    if get_playback_status() == "error":
        reconnect_mpd()
    if radio1 == False:
        radio1 =  client.addid("mms://mediau.yle.fi/livex3m")
    client.playid(radio1)
    
def play_radio2(channel):
    global client, radio2
    print "Radio Nova"
    if get_playback_status() == "error":
        reconnect_mpd()
    if radio2 == False:
        radio2 =  client.addid("http://icelive0.41168-icelive0.cdn.qbrick.com/5050/41168_radionova1.mp3")
    client.playid(radio2)
    
GPIO.add_event_detect(18, GPIO.RISING, callback=play_pause, bouncetime=300)
GPIO.add_event_detect(27, GPIO.RISING, callback=play_radio1, bouncetime=300)
GPIO.add_event_detect(22, GPIO.RISING, callback=play_radio2, bouncetime=300)

reconnect_mpd()

while True:    
    time.sleep(15)

GPIO.cleanup()