add iTunes component

homeassistant/components/media_player/itunes.py

@@ -0,0 +1,252 @@
+"""
+homeassistant.components.media_player.itunes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Provides an interface to iTunes-API (https://github.com/maddox/itunes-api)
+
+Configuration:
+
+To use iTunes you will need to add something like the following to
+your configuration.yaml file.
+
+media_player:
+  platform: itunes
+  name: iTunes
+  host: http://192.168.1.16
+  port: 8181
+
+Variables:
+
+name
+*Optional
+The name of the device.
+
+url
+*Required
+The URL of your set up and running version of iTunes-API. Example: http://192.168.1.50:8181
+
+"""
+import logging
+
+from homeassistant.components.media_player import (
+    MediaPlayerDevice, MEDIA_TYPE_MUSIC, SUPPORT_PAUSE, SUPPORT_SEEK, SUPPORT_VOLUME_SET,
+    SUPPORT_VOLUME_MUTE, SUPPORT_PREVIOUS_TRACK, SUPPORT_NEXT_TRACK)
+from homeassistant.const import (
+    STATE_IDLE, STATE_PLAYING, STATE_PAUSED, STATE_OFF)
+
+try:
+    import requests
+except ImportError:
+    requests = None
+
+_LOGGER = logging.getLogger(__name__)
+
+SUPPORT_ITUNES = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
+    SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK | SUPPORT_SEEK
+
+class Itunes(object):
+
+    def __init__(self, host, port):
+        self.host = host
+        self.port = port
+
+    @property
+    def _base_url(self):
+        return self.host + ":" + str(self.port)
+
+    def _request(self, method, path, params=None):
+        url = self._base_url + path
+
+        try:
+            if method == 'GET':
+                r = requests.get(url)
+            elif method == "POST":
+                r = requests.put(url, params)
+            elif method == "PUT":
+                r = requests.put(url, params)
+            elif method == "DELETE":
+                r = requests.delete(url)
+
+            return r.json()
+        except requests.exceptions.HTTPError:
+            return {'player_state': 'error'}
+        except requests.exceptions.RequestException:
+            return {'player_state': 'offline'}
+
+    def _command(self, named_command):
+        return self._request('PUT', '/' + named_command)
+
+    def now_playing(self):
+        return self._request('GET', '/now_playing')
+
+    def set_volume(self, level):
+        return self._request('PUT', '/volume', {'level': level})
+
+    def set_muted(self, muted):
+        return self._request('PUT', '/mute', {'muted': muted})
+
+    def play(self):
+        return self._command('play')
+
+    def pause(self):
+        return self._command('pause')
+
+    def next(self):
+        return self._command('next')
+
+    def previous(self):
+        return self._command('previous')
+
+    def artwork_url(self):
+        return self._base_url + '/artwork'
+
+# pylint: disable=unused-argument
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the itunes platform. """
+
+    add_devices([
+        ItunesDevice(
+            config.get('name', 'iTunes'),
+            config.get('host'),
+            config.get('port')
+        )
+    ])
+
+class ItunesDevice(MediaPlayerDevice):
+    """ Represents a iTunes-API instance. """
+
+    # pylint: disable=too-many-public-methods
+
+    def __init__(self, name, host, port):
+        self._name = name
+        self._host = host
+        self._port = port
+
+        self.client = Itunes(self._host, self._port)
+
+        self.current_volume = None
+        self.muted = None
+        self.current_title = None
+        self.current_album = None
+        self.current_artist = None
+        self.current_playlist = None
+        self.content_id = None
+
+        self.player_state = None
+
+        self.update()
+
+    def updateState(self, state_hash):
+        self.player_state = state_hash.get('player_state', None)
+
+        self.current_volume = state_hash.get('volume', 0)
+        self.muted = state_hash.get('muted', None)
+        self.current_title = state_hash.get('name', None)
+        self.current_album = state_hash.get('album', None)
+        self.current_artist = state_hash.get('artist', None)
+        self.current_playlist = state_hash.get('playlist', None)
+        self.content_id = state_hash.get('id', None)
+
+    @property
+    def name(self):
+        """ Returns the name of the device. """
+        return self._name
+
+    @property
+    def state(self):
+        """ Returns the state of the device. """
+
+        if self.player_state == 'offline' or self.player_state == None:
+            return 'offline'
+
+        if self.player_state == 'error':
+            return 'error'
+
+        if self.player_state == 'stopped':
+            return STATE_IDLE
+
+        if self.player_state == 'paused':
+            return STATE_PAUSED
+        else:
+            return STATE_PLAYING
+
+    def update(self):
+        """ Retrieve latest state. """
+        now_playing = self.client.now_playing()
+        self.updateState(now_playing)
+
+    @property
+    def is_volume_muted(self):
+        """ Boolean if volume is currently muted. """
+        return self.muted
+
+    @property
+    def volume_level(self):
+        return self.current_volume/100.0
+
+    @property
+    def media_content_id(self):
+        """ Content ID of current playing media. """
+        return self.content_id
+
+    @property
+    def media_content_type(self):
+        return MEDIA_TYPE_MUSIC
+
+    @property
+    def media_image_url(self):
+        """ Image url of current playing media. """
+
+        if (self.player_state == STATE_PLAYING or self.player_state == STATE_IDLE or self.player_state == STATE_PAUSED) and self.current_title != None:
+            return self.client.artwork_url()
+        else:
+            return "https://cloud.githubusercontent.com/assets/260/9829355/33fab972-58cf-11e5-8ea2-2ca74bdaae40.png"
+
+    @property
+    def media_title(self):
+        """ Title of current playing media. """
+        return self.current_title
+
+    @property
+    def media_artist(self):
+        """ Artist of current playing media. (Music track only) """
+        return self.current_artist
+
+    @property
+    def media_album_name(self):
+        """ Album of current playing media. (Music track only) """
+        return self.current_album
+
+    @property
+    def supported_media_commands(self):
+        """ Flags of media commands that are supported. """
+        return SUPPORT_ITUNES
+
+    def set_volume_level(self, volume):
+        """ set volume level, range 0..1. """
+        r = self.client.set_volume(int(volume * 100))
+        self.updateState(r)
+
+    def mute_volume(self, mute):
+        """ mute (true) or unmute (false) media player. """
+        r = self.client.set_muted(mute)
+        self.updateState(r)
+
+    def media_play(self):
+        """ media_play media player. """
+        r = self.client.play()
+        self.updateState(r)
+
+    def media_pause(self):
+        """ media_pause media player. """
+        r = self.client.pause()
+        self.updateState(r)
+
+    def media_next_track(self):
+        """ media_next media player. """
+        r = self.client.next()
+        self.updateState(r)
+
+    def media_previous_track(self):
+        """ media_previous media player. """
+        r = self.client.previous()
+        self.updateState(r)