bin/amplifier

#!/usr/bin/env python2
import subprocess
import time


def monitor_state():
    mon_state = subprocess.check_output(['/usr/bin/tvservice',  '-s'])
    return mon_state.split(' ')[1] in ['0xa', '0x12000a', '0x40002']


def kodi_state():
    response = urllib2.urlopen('http://music:8080/jsonrpc?request={%22jsonrpc%22:%20%222.0%22,%20%22method%22:%20%22Player.GetActivePlayers%22,%20%22id%22:%201}')
    json_txt = response.read()
    response.close()  # best practice to close the file
    response = json.loads(json_txt)
    return len(response['result']) > 0



prev_state = None
while True:
    # second count
    curr_state = monitor_state()
    # check if there is a change in the screen state
    if curr_state != prev_state:
        if curr_state is True:
            subprocess.check_output(['sispmctl', '-o', '1'])
        else:
            subprocess.check_output(['sispmctl', '-f', '1'])
    prev_state = curr_state
    time.sleep(1.)