mpd/mpd.py

import config
import logging
import paho.mqtt.client as paho
import report
import subprocess
import time


try:
    from config import APP_NAME as ROOT_LOGGER_NAME
except ImportError:
    ROOT_LOGGER_NAME = 'root'
logger = logging.getLogger(ROOT_LOGGER_NAME).getChild('librespot')


class mpc(object):
    PLAYING_TXT = 'playing'

    def __init__(self, state_callback):
        logger.info("Starting MPD monitor...")
        self.__state_callback__ = state_callback
        self.__state__ = None
        self.set_state(False)

    def run(self):
        while True:
            output = subprocess.check_output(["mpc", "status"])
            out_txt = output.decode('UTF-8')
            self.set_state(self.PLAYING_TXT in out_txt)
            time.sleep(.2)

    def set_state(self, target_state):
        if self.__state__ != target_state:
            self.__state__ = target_state
            logger.info('MPD state changed to %s', self.__state__)
            self.__state_callback__(self.__state__)


def send_msg_mqtt(state):
    client= paho.Client("mpd")
    client.username_pw_set(config.MQTT_USER, config.MQTT_PASS)
    client.connect(config.MQTT_SERVER, 1883)
    logger.info("Sending MPD status information to mqtt %s = %s", config.MQTT_TOPIC, str(state))
    client.publish(config.MQTT_TOPIC, "true" if state else "false")


if __name__ == '__main__': 
    report.appLoggingConfigure(config.__BASEPATH__, config.LOGTARGET, ((config.APP_NAME, config.LOGLVL), ), fmt=config.formatter, host=config.LOGHOST, port=config.LOGPORT)
    
    mpd = mpc(send_msg_mqtt)
    mpd.run()
import paho.mqtt.client as paho