Implimented Ignore CEC for Chromecasts

1) Added the ability to ignore CEC data from Chromecasts using pending
updates to PyChromecast library.
2) Modified cast device to not allow the same device to be imported
twice. This can happen when cast is setup as a media_player in the
config when the discovery component is active.

homeassistant/components/frontend/www_static/polymer/home-assistant-js

@@ -1 +1 @@
-Subproject commit 14f2bb779eb165bce236dcdc69d83e08ab73da1c
+Subproject commit 015edf9c28a63122aa8f6bc153f0c0ddfaad1caa

homeassistant/components/media_player/cast.py

@@ -25,10 +25,12 @@ from homeassistant.components.media_player import (
     SUPPORT_PREVIOUS_TRACK, SUPPORT_NEXT_TRACK,
     MEDIA_TYPE_MUSIC, MEDIA_TYPE_TVSHOW, MEDIA_TYPE_VIDEO)
 
+CONF_IGNORE_CEC = 'ignore_cec'
 CAST_SPLASH = 'https://home-assistant.io/images/cast/splash.png'
 SUPPORT_CAST = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
     SUPPORT_TURN_ON | SUPPORT_TURN_OFF | SUPPORT_PREVIOUS_TRACK | \
     SUPPORT_NEXT_TRACK | SUPPORT_YOUTUBE
+KNOWN_HOSTS = []
 
 
 # pylint: disable=unused-argument
@@ -43,12 +45,22 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
 
         return False
 
-    if discovery_info:
+    # import CEC IGNORE attributes
+    ignore_cec = config.get(CONF_IGNORE_CEC, [])
+    if isinstance(ignore_cec, list):
+        pychromecast.IGNORE_CEC += ignore_cec
+    else:
+        logger.error('Chromecast conig, %s must be a list.', CONF_IGNORE_CEC)
+
+    hosts = []
+
+    if discovery_info and discovery_info[0] not in KNOWN_HOSTS:
         hosts = [discovery_info[0]]
 
     else:
         hosts = (host_port[0] for host_port
-                 in pychromecast.discover_chromecasts())
+                 in pychromecast.discover_chromecasts()
+                 if host_port[0] not in KNOWN_HOSTS)
 
     casts = []
 
@@ -57,6 +69,8 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
             casts.append(CastDevice(host))
         except pychromecast.ChromecastConnectionError:
             pass
+        else:
+            KNOWN_HOSTS.append(host)
 
     add_devices(casts)
 

requirements.txt

@@ -18,7 +18,7 @@ phue>=0.8
 ledcontroller>=1.0.7
 
 # Chromecast bindings (media_player.cast)
-pychromecast>=0.6.6
+pychromecast>=0.6.7
 
 # Keyboard (keyboard)
 pyuserinput>=0.1.9