Title playing identification added

config_example/config.py

@@ -15,10 +15,10 @@ DEVICE_NAME = "Multimedia"
 #
 __BASEPATH__ = os.path.abspath(os.path.dirname(__file__))
 APP_NAME = "spotify"
-LOGTARGET = 'logfile'   # possible choices are: 'logfile' or 'stdout'
+LOGTARGET = 'stdout'   # possible choices are: 'logfile' or 'stdout'
 LOGLVL = 'DEBUG'
 
 LOGHOST = 'cutelog'
 LOGPORT = 19996
 
-formatter = report.LONG_FMT
+formatter = report.SHORT_FMT

requirements.txt

@@ -1 +1,3 @@
 paho-mqtt
+spotipy
+

spotify.py

@@ -4,6 +4,10 @@ import paho.mqtt.client as paho
 import report
 import subprocess
 import time
+import spotipy
+from spotipy.oauth2 import SpotifyClientCredentials
+import config
+import json
 
 
 try:
@@ -17,15 +21,19 @@ class librespot(object):
     ON_CMD = ['play', ]
     OFF_CMD = ['pause', 'stop', ]
 
-    def __init__(self, state_callback):
+    def __init__(self, state_callback, title_callback):
         logger.info("Starting Librespot...")
         self.__state_callback__ = state_callback
+        self.__title_callback__ = title_callback
         self.__process__ = subprocess.Popen(["librespot", "-v", "--name", config.DEVICE_NAME],
                                shell=False,
                                # We pipe the output to an internal pipe
                                stderr=subprocess.PIPE)
         self.__state__ = None
+        self.__title__ = None
+        self.__spot_id__ = None
         self.set_state(False)
+        self.set_title("")
 
     def run(self):
         while True:
@@ -42,6 +50,14 @@ class librespot(object):
                 out_txt = output.decode('utf-8').strip('\n').strip()
                 out_txt = out_txt[out_txt.find(']') + 2:]
                 logger.debug("librespot output: %s", out_txt)
+                # TODO: Parse for "librespot output: Loading <Here Ever After> with Spotify URI <spotify:track:0zckHMfaB6vT5o23ZVBLHJ>"
+                if out_txt.lower().startswith("loading"):
+                    self.__spot_id__ = out_txt.split("<")[2][:-1]
+                    logger.info("Track-ID %s identified", self.__spot_id__)
+                    if self.__state__:
+                        self.set_title(self.get_title_by_id())
+                    else:
+                        self.set_title("")
                 if "command=" in out_txt:
                     command = out_txt[out_txt.find('command=') + 8:].strip().lower()
                     logger.debug("librespot command: %s", command)
@@ -52,6 +68,21 @@ class librespot(object):
                         self.set_state(True)
                     if command in self.OFF_CMD:
                         self.set_state(False)
+                    if self.__state__:
+                        self.set_title(self.get_title_by_id())
+                    else:
+                        self.set_title("")
+
+    def get_title_by_id(self):
+        if self.__spot_id__ is None:
+            return ""
+        else:
+            sp = spotipy.Spotify(auth_manager=SpotifyClientCredentials(client_id=config.SPOTIFY_CLIENT_ID,client_secret=config.SPOTIFY_CLIENT_SECRET))
+            try:
+                track = sp.track(self.__spot_id__)
+            except Exception:
+                return None
+            return track["artists"][0]["name"] + " - " + track["name"]
 
     def set_state(self, target_state):
         if target_state != self.__state__:
@@ -59,18 +90,35 @@ class librespot(object):
             logger.info("spotify state changed to %s", self.__state__)
             self.__state_callback__(self.__state__)
 
+    def set_title(self, title):
+        if title != self.__title__:
+            self.__title__ = title
+            logger.info("spotify title changed to \"%s\"", self.__title__)
+            self.__title_callback__(self.__title__)
+            
 
-def send_msg_mqtt(state):
+def send_state_msg_mqtt(state):
     client= paho.Client("spotify")
     client.username_pw_set(config.MQTT_USER, config.MQTT_PASS)
     client.connect(config.MQTT_SERVER, 1883)
-    logger.info("Sending Spotify status information to mqtt %s = %s", config.MQTT_TOPIC, str(state))
-    client.publish(config.MQTT_TOPIC, "true" if state else "false")
+    topic = config.MQTT_TOPIC + "/state"
+    logger.info("Sending Spotify status information to mqtt %s = %s", topic, str(state))
+    client.publish(topic, "true" if state else "false")
+
+def send_title_msg_mqtt(title):
+    client= paho.Client("spotify")
+    client.username_pw_set(config.MQTT_USER, config.MQTT_PASS)
+    client.connect(config.MQTT_SERVER, 1883)
+    topic = config.MQTT_TOPIC + "/title"
+    logger.info("Sending Spotify status information to mqtt %s = %s", topic, title)
+    client.publish(topic, title)
 
 
 
 if __name__ == '__main__': 
     report.appLoggingConfigure(config.__BASEPATH__, config.LOGTARGET, ((config.APP_NAME, config.LOGLVL), ), fmt=config.formatter, host=config.LOGHOST, port=config.LOGPORT)
     
-    ls = librespot(send_msg_mqtt)
+    ls = librespot(send_state_msg_mqtt, send_title_msg_mqtt)
     ls.run()
+
+