Add shuffle support for itunes component (#24319)

* added shuffle support for itunes component

* fixed pylint errors

* more pylint

* final pylint (have my own dev env now)

homeassistant/components/itunes/media_player.py

@@ -10,7 +10,7 @@
     MEDIA_TYPE_MUSIC, MEDIA_TYPE_PLAYLIST, SUPPORT_NEXT_TRACK,
     SUPPORT_PAUSE, SUPPORT_PLAY, SUPPORT_PLAY_MEDIA, SUPPORT_PREVIOUS_TRACK,
     SUPPORT_SEEK, SUPPORT_TURN_OFF, SUPPORT_TURN_ON, SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET)
+    SUPPORT_VOLUME_SET, SUPPORT_SHUFFLE_SET)
 from homeassistant.const import (
     CONF_HOST, CONF_NAME, CONF_PORT, CONF_SSL, STATE_IDLE, STATE_OFF, STATE_ON,
     STATE_PAUSED, STATE_PLAYING)
@@ -26,7 +26,7 @@
 
 SUPPORT_ITUNES = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
     SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK | SUPPORT_SEEK | \
-    SUPPORT_PLAY_MEDIA | SUPPORT_PLAY | SUPPORT_TURN_OFF
+    SUPPORT_PLAY_MEDIA | SUPPORT_PLAY | SUPPORT_TURN_OFF | SUPPORT_SHUFFLE_SET
 
 SUPPORT_AIRPLAY = SUPPORT_VOLUME_SET | SUPPORT_TURN_ON | SUPPORT_TURN_OFF
 
@@ -96,6 +96,11 @@ def set_muted(self, muted):
         """Mute and returns the current state, muted True or False."""
         return self._request('PUT', '/mute', {'muted': muted})
 
+    def set_shuffle(self, shuffle):
+        """Set the shuffle mode, shuffle True or False."""
+        return self._request('PUT', '/shuffle',
+                             {'mode': ('songs' if shuffle else 'off')})
+
     def play(self):
         """Set playback to play and returns the current state."""
         return self._command('play')
@@ -183,6 +188,7 @@ def __init__(self, name, host, port, use_ssl, add_entities):
 
         self.current_volume = None
         self.muted = None
+        self.shuffled = None
         self.current_title = None
         self.current_album = None
         self.current_artist = None
@@ -207,6 +213,9 @@ def update_state(self, state_hash):
         self.current_playlist = state_hash.get('playlist', None)
         self.content_id = state_hash.get('id', None)
 
+        _shuffle = state_hash.get('shuffle', None)
+        self.shuffled = (_shuffle == 'songs')
+
     @property
     def name(self):
         """Return the name of the device."""
@@ -306,6 +315,11 @@ def media_playlist(self):
         """Title of the currently playing playlist."""
         return self.current_playlist
 
+    @property
+    def shuffle(self):
+        """Boolean if shuffle is enabled."""
+        return self.shuffled
+
     @property
     def supported_features(self):
         """Flag media player features that are supported."""
@@ -321,6 +335,11 @@ def mute_volume(self, mute):
         response = self.client.set_muted(mute)
         self.update_state(response)
 
+    def set_shuffle(self, shuffle):
+        """Shuffle (true) or no shuffle (false) media player."""
+        response = self.client.set_shuffle(shuffle)
+        self.update_state(response)
+
     def media_play(self):
         """Send media_play command to media player."""
         response = self.client.play()