Vizio SmartCast support (home-assistant#8260)

* Vizio SmartCast support

* Requested changes
Added new config params

* Vizio SmartCast support

* Requested changes
Added new config params

.coveragerc

@@ -350,6 +350,7 @@ omit =
     homeassistant/components/media_player/sonos.py
     homeassistant/components/media_player/spotify.py
     homeassistant/components/media_player/squeezebox.py
+    homeassistant/components/media_player/vizio.py
     homeassistant/components/media_player/vlc.py
     homeassistant/components/media_player/volumio.py
     homeassistant/components/media_player/yamaha.py

homeassistant/components/media_player/vizio.py

@@ -0,0 +1,189 @@
+"""
+Vizio SmartCast TV support.
+
+Usually only 2016+ models come with SmartCast capabilities.
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/media_player.vizio/
+"""
+import logging
+from datetime import timedelta
+
+import voluptuous as vol
+
+import homeassistant.util as util
+from homeassistant.components.media_player import (
+    PLATFORM_SCHEMA,
+    SUPPORT_TURN_ON,
+    SUPPORT_TURN_OFF,
+    SUPPORT_SELECT_SOURCE,
+    SUPPORT_PREVIOUS_TRACK,
+    SUPPORT_NEXT_TRACK,
+    SUPPORT_VOLUME_MUTE,
+    SUPPORT_VOLUME_STEP,
+    MediaPlayerDevice
+)
+from homeassistant.const import (
+    STATE_UNKNOWN,
+    STATE_OFF,
+    STATE_ON,
+    CONF_NAME,
+    CONF_HOST,
+    CONF_ACCESS_TOKEN
+)
+from homeassistant.helpers import config_validation as cv
+
+REQUIREMENTS = ['pyvizio==0.0.2']
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_SUPPRESS_WARNING = 'suppress_warning'
+CONF_VOLUME_STEP = 'volume_step'
+
+ICON = 'mdi:television'
+DEFAULT_NAME = 'Vizio SmartCast'
+DEFAULT_VOLUME_STEP = 1
+DEVICE_NAME = 'Python Vizio'
+DEVICE_ID = 'pyvizio'
+MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
+MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(seconds=1)
+SUPPORTED_COMMANDS = SUPPORT_TURN_ON | SUPPORT_TURN_OFF \
+                     | SUPPORT_SELECT_SOURCE \
+                     | SUPPORT_NEXT_TRACK | SUPPORT_PREVIOUS_TRACK \
+                     | SUPPORT_VOLUME_MUTE | SUPPORT_VOLUME_STEP
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+    vol.Required(CONF_ACCESS_TOKEN): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Optional(CONF_SUPPRESS_WARNING, default=False): cv.boolean,
+    vol.Optional(CONF_VOLUME_STEP, default=DEFAULT_VOLUME_STEP):
+        vol.All(vol.Coerce(int), vol.Range(min=1, max=10)),
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the VizioTV media player platform."""
+    host = config.get(CONF_HOST)
+    token = config.get(CONF_ACCESS_TOKEN)
+    name = config.get(CONF_NAME)
+    volume_step = config.get(CONF_VOLUME_STEP)
+
+    device = VizioDevice(host, token, name, volume_step)
+    if device.validate_setup() is False:
+        _LOGGER.error('Failed to setup Vizio TV platform, '
+                      'please check if host and API key are correct.')
+        return False
+
+    if config.get(CONF_SUPPRESS_WARNING):
+        import requests
+        from requests.packages.urllib3.exceptions import InsecureRequestWarning
+        _LOGGER.warning('InsecureRequestWarning is disabled '
+                        'because of Vizio platform configuration.')
+        requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
+    add_devices([device], True)
+
+
+class VizioDevice(MediaPlayerDevice):
+    """Media Player implementation which performs REST requests to TV."""
+
+    def __init__(self, host, token, name, volume_step):
+        """Initialize Vizio device."""
+        import pyvizio
+        self._device = pyvizio.Vizio(DEVICE_ID, host, DEFAULT_NAME, token)
+        self._name = name
+        self._state = STATE_UNKNOWN
+        self._volume_level = None
+        self._volume_step = volume_step
+        self._current_input = None
+        self._available_inputs = None
+
+    @util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
+    def update(self):
+        """Retrieve latest state of the TV."""
+        is_on = self._device.get_power_state()
+        if is_on is None:
+            self._state = STATE_UNKNOWN
+            return
+        elif is_on is False:
+            self._state = STATE_OFF
+        else:
+            self._state = STATE_ON
+
+        self._volume_level = self._device.get_current_volume()
+        input_ = self._device.get_current_input()
+        if input_ is not None:
+            self._current_input = input_.meta_name
+        inputs = self._device.get_inputs()
+        if inputs is not None:
+            self._available_inputs = []
+            for input_ in inputs:
+                self._available_inputs.append(input_.name)
+
+    @property
+    def state(self):
+        """Return the state of the TV."""
+        return self._state
+
+    @property
+    def name(self):
+        """Return the name of the TV."""
+        return self._name
+
+    @property
+    def volume_level(self):
+        """Return the volume level of the TV."""
+        return self._volume_level
+
+    @property
+    def source(self):
+        """Return current input of the TV."""
+        return self._current_input
+
+    @property
+    def source_list(self):
+        """Return list of available inputs of the TV."""
+        return self._available_inputs
+
+    @property
+    def supported_features(self):
+        """Flag TV features that are supported."""
+        return SUPPORTED_COMMANDS
+
+    def turn_on(self):
+        """Turn the TV player on."""
+        self._device.pow_on()
+
+    def turn_off(self):
+        """Turn the TV player off."""
+        self._device.pow_off()
+
+    def mute_volume(self, mute):
+        """Mute the volume."""
+        if mute:
+            self._device.mute_on()
+        else:
+            self._device.mute_off()
+
+    def media_previous_track(self):
+        """Send previous channel command."""
+        self._device.ch_down()
+
+    def media_next_track(self):
+        """Send next channel command."""
+        self._device.ch_up()
+
+    def select_source(self, source):
+        """Select input source."""
+        self._device.input_switch(source)
+
+    def volume_up(self):
+        """Increasing volume of the TV."""
+        self._device.vol_up(num=self._volume_step)
+
+    def volume_down(self):
+        """Decreasing volume of the TV."""
+        self._device.vol_down(num=self._volume_step)
+
+    def validate_setup(self):
+        """Validating if host is available and key is correct."""
+        return self._device.get_current_volume() is not None

requirements_all.txt

@@ -772,6 +772,9 @@ pyunifi==2.13
 # homeassistant.components.vera
 pyvera==0.2.34
 
+# homeassistant.components.media_player.vizio
+pyvizio==0.0.2
+
 # homeassistant.components.velux
 pyvlx==0.1.3