Set unavailable when unreachable (#19012)

* Turn GPMDP Off When Unavailable

* Update requirements_all.txt

* Specified Exception Type

* Update gpmdp.py

homeassistant/components/media_player/gpmdp.py

@@ -20,7 +20,7 @@ from homeassistant.const import (
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util.json import load_json, save_json
 
-REQUIREMENTS = ['websocket-client==0.37.0']
+REQUIREMENTS = ['websocket-client==0.54.0']
 
 _CONFIGURING = {}
 _LOGGER = logging.getLogger(__name__)
@@ -155,6 +155,7 @@ class GPMDP(MediaPlayerDevice):
         self._duration = None
         self._volume = None
         self._request_id = 0
+        self._available = True
 
     def get_ws(self):
         """Check if the websocket is setup and connected."""
@@ -200,6 +201,8 @@ class GPMDP(MediaPlayerDevice):
     def update(self):
         """Get the latest details from the player."""
         time.sleep(1)
+        try:
+            self._available = True
             playstate = self.send_gpmdp_msg('playback', 'getPlaybackState')
             if playstate is None:
                 return
@@ -216,6 +219,13 @@ class GPMDP(MediaPlayerDevice):
             volume_data = self.send_gpmdp_msg('volume', 'getVolume')
             if volume_data is not None:
                 self._volume = volume_data['value'] / 100
+        except OSError:
+            self._available = False
+
+    @property
+    def available(self):
+        """Return if media player is available."""
+        return self._available
 
     @property
     def media_content_type(self):

requirements_all.txt

@@ -1627,7 +1627,7 @@ watchdog==0.8.3
 waterfurnace==1.0.0
 
 # homeassistant.components.media_player.gpmdp
-websocket-client==0.37.0
+websocket-client==0.54.0
 
 # homeassistant.components.media_player.webostv
 websockets==6.0