Add support for Panasonic Blu-Ray players (#18541)

* Add support for Panasonic Blu-Ray players

* Update panasonic_bluray.py

* Update panasonic_bluray.py

.coveragerc

@@ -600,6 +600,7 @@ omit =
     homeassistant/components/media_player/nadtcp.py
     homeassistant/components/media_player/onkyo.py
     homeassistant/components/media_player/openhome.py
+    homeassistant/components/media_player/panasonic_bluray.py
     homeassistant/components/media_player/panasonic_viera.py
     homeassistant/components/media_player/pandora.py
     homeassistant/components/media_player/philips_js.py

homeassistant/components/media_player/panasonic_bluray.py

@@ -0,0 +1,154 @@
+"""
+Support for Panasonic Blu-Ray players.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/panasonic_bluray/
+"""
+from datetime import timedelta
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.media_player import (
+    PLATFORM_SCHEMA, SUPPORT_PAUSE, SUPPORT_PLAY, SUPPORT_STOP,
+    SUPPORT_TURN_OFF, SUPPORT_TURN_ON, MediaPlayerDevice)
+from homeassistant.const import (
+    CONF_HOST, CONF_NAME, STATE_IDLE, STATE_OFF, STATE_PLAYING, STATE_UNKNOWN)
+import homeassistant.helpers.config_validation as cv
+from homeassistant.util.dt import utcnow
+
+REQUIREMENTS = ['panacotta==0.1']
+
+DEFAULT_NAME = "Panasonic Blu-Ray"
+SCAN_INTERVAL = timedelta(seconds=30)
+
+_LOGGER = logging.getLogger(__name__)
+
+SUPPORT_PANASONIC_BD = (SUPPORT_TURN_ON | SUPPORT_TURN_OFF | SUPPORT_PLAY |
+                        SUPPORT_STOP | SUPPORT_PAUSE)
+
+# No host is needed for configuration, however it can be set.
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+})
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the Panasonic Blu-Ray platform."""
+    conf = discovery_info if discovery_info else config
+
+    # Register configured device with Home Assistant.
+    add_entities([PanasonicBluRay(conf[CONF_HOST], conf[CONF_NAME])])
+
+
+class PanasonicBluRay(MediaPlayerDevice):
+    """Represent Panasonic Blu-Ray devices for Home Assistant."""
+
+    def __init__(self, ip, name):
+        """Receive IP address and name to construct class."""
+        # Import panacotta library.
+        import panacotta
+
+        # Initialize the Panasonic device.
+        self._device = panacotta.PanasonicBD(ip)
+        # Default name value, only to be overridden by user.
+        self._name = name
+        # Assume we're off to start with
+        self._state = STATE_OFF
+        self._position = 0
+        self._duration = 0
+        self._position_valid = 0
+
+    @property
+    def icon(self):
+        """Return a disc player icon for the device."""
+        return 'mdi:disc-player'
+
+    @property
+    def name(self):
+        """Return the display name of this device."""
+        return self._name
+
+    @property
+    def state(self):
+        """Return _state variable, containing the appropriate constant."""
+        return self._state
+
+    @property
+    def supported_features(self):
+        """Flag media player features that are supported."""
+        return SUPPORT_PANASONIC_BD
+
+    @property
+    def media_duration(self):
+        """Duration of current playing media in seconds."""
+        return self._duration
+
+    @property
+    def media_position(self):
+        """Position of current playing media in seconds."""
+        return self._position
+
+    @property
+    def media_position_updated_at(self):
+        """When was the position of the current playing media valid."""
+        return self._position_valid
+
+    def update(self):
+        """Update the internal state by querying the device."""
+        # This can take 5+ seconds to complete
+        state = self._device.get_play_status()
+
+        if state[0] == 'error':
+            self._state = STATE_UNKNOWN
+        elif state[0] in ['off', 'standby']:
+            # We map both of these to off. If it's really off we can't
+            # turn it on, but from standby we can go to idle by pressing
+            # POWER.
+            self._state = STATE_OFF
+        elif state[0] in ['paused', 'stopped']:
+            self._state = STATE_IDLE
+        elif state[0] == 'playing':
+            self._state = STATE_PLAYING
+
+        # Update our current media position + length
+        if state[1] >= 0:
+            self._position = state[1]
+        else:
+            self._position = 0
+        self._position_valid = utcnow()
+        self._duration = state[2]
+
+    def turn_off(self):
+        """
+        Instruct the device to turn standby.
+
+        Sending the "POWER" button will turn the device to standby - there
+        is no way to turn it completely off remotely. However this works in
+        our favour as it means the device is still accepting commands and we
+        can thus turn it back on when desired.
+        """
+        if self._state != STATE_OFF:
+            self._device.send_key('POWER')
+
+        self._state = STATE_OFF
+
+    def turn_on(self):
+        """Wake the device back up from standby."""
+        if self._state == STATE_OFF:
+            self._device.send_key('POWER')
+
+        self._state = STATE_IDLE
+
+    def media_play(self):
+        """Send play command."""
+        self._device.send_key('PLAYBACK')
+
+    def media_pause(self):
+        """Send pause command."""
+        self._device.send_key('PAUSE')
+
+    def media_stop(self):
+        """Send stop command."""
+        self._device.send_key('STOP')

requirements_all.txt

@@ -716,6 +716,9 @@ orvibo==1.1.1
 # homeassistant.components.shiftr
 paho-mqtt==1.4.0
 
+# homeassistant.components.media_player.panasonic_bluray
+panacotta==0.1
+
 # homeassistant.components.media_player.panasonic_viera
 panasonic_viera==0.3.1