core/homeassistant/components/light/mqtt_template.py

399 lines
14 KiB
Python

"""
Support for MQTT Template lights.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.mqtt_template/
"""
import logging
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.components import mqtt
from homeassistant.components.light import (
ATTR_BRIGHTNESS, ATTR_COLOR_TEMP, ATTR_EFFECT, ATTR_FLASH,
ATTR_HS_COLOR, ATTR_TRANSITION, ATTR_WHITE_VALUE, Light, PLATFORM_SCHEMA,
SUPPORT_BRIGHTNESS, SUPPORT_COLOR_TEMP, SUPPORT_EFFECT, SUPPORT_FLASH,
SUPPORT_COLOR, SUPPORT_TRANSITION, SUPPORT_WHITE_VALUE)
from homeassistant.const import CONF_NAME, CONF_OPTIMISTIC, STATE_ON, STATE_OFF
from homeassistant.components.mqtt import (
CONF_AVAILABILITY_TOPIC, CONF_STATE_TOPIC, CONF_COMMAND_TOPIC,
CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE, CONF_QOS, CONF_RETAIN,
MqttAvailability)
import homeassistant.helpers.config_validation as cv
import homeassistant.util.color as color_util
from homeassistant.helpers.restore_state import async_get_last_state
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'mqtt_template'
DEPENDENCIES = ['mqtt']
DEFAULT_NAME = 'MQTT Template Light'
DEFAULT_OPTIMISTIC = False
CONF_BLUE_TEMPLATE = 'blue_template'
CONF_BRIGHTNESS_TEMPLATE = 'brightness_template'
CONF_COLOR_TEMP_TEMPLATE = 'color_temp_template'
CONF_COMMAND_OFF_TEMPLATE = 'command_off_template'
CONF_COMMAND_ON_TEMPLATE = 'command_on_template'
CONF_EFFECT_LIST = 'effect_list'
CONF_EFFECT_TEMPLATE = 'effect_template'
CONF_GREEN_TEMPLATE = 'green_template'
CONF_RED_TEMPLATE = 'red_template'
CONF_STATE_TEMPLATE = 'state_template'
CONF_WHITE_VALUE_TEMPLATE = 'white_value_template'
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_BLUE_TEMPLATE): cv.template,
vol.Optional(CONF_BRIGHTNESS_TEMPLATE): cv.template,
vol.Optional(CONF_COLOR_TEMP_TEMPLATE): cv.template,
vol.Optional(CONF_EFFECT_LIST): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(CONF_EFFECT_TEMPLATE): cv.template,
vol.Optional(CONF_GREEN_TEMPLATE): cv.template,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_RED_TEMPLATE): cv.template,
vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean,
vol.Optional(CONF_STATE_TEMPLATE): cv.template,
vol.Optional(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(CONF_WHITE_VALUE_TEMPLATE): cv.template,
vol.Required(CONF_COMMAND_OFF_TEMPLATE): cv.template,
vol.Required(CONF_COMMAND_ON_TEMPLATE): cv.template,
vol.Required(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic,
vol.Optional(CONF_QOS, default=mqtt.DEFAULT_QOS):
vol.All(vol.Coerce(int), vol.In([0, 1, 2])),
}).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema)
async def async_setup_platform(hass, config, async_add_devices,
discovery_info=None):
"""Set up a MQTT Template light."""
if discovery_info is not None:
config = PLATFORM_SCHEMA(discovery_info)
async_add_devices([MqttTemplate(
hass,
config.get(CONF_NAME),
config.get(CONF_EFFECT_LIST),
{
key: config.get(key) for key in (
CONF_STATE_TOPIC,
CONF_COMMAND_TOPIC
)
},
{
key: config.get(key) for key in (
CONF_BLUE_TEMPLATE,
CONF_BRIGHTNESS_TEMPLATE,
CONF_COLOR_TEMP_TEMPLATE,
CONF_COMMAND_OFF_TEMPLATE,
CONF_COMMAND_ON_TEMPLATE,
CONF_EFFECT_TEMPLATE,
CONF_GREEN_TEMPLATE,
CONF_RED_TEMPLATE,
CONF_STATE_TEMPLATE,
CONF_WHITE_VALUE_TEMPLATE,
)
},
config.get(CONF_OPTIMISTIC),
config.get(CONF_QOS),
config.get(CONF_RETAIN),
config.get(CONF_AVAILABILITY_TOPIC),
config.get(CONF_PAYLOAD_AVAILABLE),
config.get(CONF_PAYLOAD_NOT_AVAILABLE),
)])
class MqttTemplate(MqttAvailability, Light):
"""Representation of a MQTT Template light."""
def __init__(self, hass, name, effect_list, topics, templates, optimistic,
qos, retain, availability_topic, payload_available,
payload_not_available):
"""Initialize a MQTT Template light."""
super().__init__(availability_topic, qos, payload_available,
payload_not_available)
self._name = name
self._effect_list = effect_list
self._topics = topics
self._templates = templates
self._optimistic = optimistic or topics[CONF_STATE_TOPIC] is None \
or templates[CONF_STATE_TEMPLATE] is None
self._qos = qos
self._retain = retain
# features
self._state = False
if self._templates[CONF_BRIGHTNESS_TEMPLATE] is not None:
self._brightness = 255
else:
self._brightness = None
if self._templates[CONF_COLOR_TEMP_TEMPLATE] is not None:
self._color_temp = 255
else:
self._color_temp = None
if self._templates[CONF_WHITE_VALUE_TEMPLATE] is not None:
self._white_value = 255
else:
self._white_value = None
if (self._templates[CONF_RED_TEMPLATE] is not None and
self._templates[CONF_GREEN_TEMPLATE] is not None and
self._templates[CONF_BLUE_TEMPLATE] is not None):
self._hs = [0, 0]
else:
self._hs = None
self._effect = None
for tpl in self._templates.values():
if tpl is not None:
tpl.hass = hass
async def async_added_to_hass(self):
"""Subscribe to MQTT events."""
await super().async_added_to_hass()
last_state = await async_get_last_state(self.hass, self.entity_id)
@callback
def state_received(topic, payload, qos):
"""Handle new MQTT messages."""
state = self._templates[CONF_STATE_TEMPLATE].\
async_render_with_possible_json_value(payload)
if state == STATE_ON:
self._state = True
elif state == STATE_OFF:
self._state = False
else:
_LOGGER.warning("Invalid state value received")
if self._brightness is not None:
try:
self._brightness = int(
self._templates[CONF_BRIGHTNESS_TEMPLATE].
async_render_with_possible_json_value(payload)
)
except ValueError:
_LOGGER.warning("Invalid brightness value received")
if self._color_temp is not None:
try:
self._color_temp = int(
self._templates[CONF_COLOR_TEMP_TEMPLATE].
async_render_with_possible_json_value(payload)
)
except ValueError:
_LOGGER.warning("Invalid color temperature value received")
if self._hs is not None:
try:
red = int(
self._templates[CONF_RED_TEMPLATE].
async_render_with_possible_json_value(payload))
green = int(
self._templates[CONF_GREEN_TEMPLATE].
async_render_with_possible_json_value(payload))
blue = int(
self._templates[CONF_BLUE_TEMPLATE].
async_render_with_possible_json_value(payload))
self._hs = color_util.color_RGB_to_hs(red, green, blue)
except ValueError:
_LOGGER.warning("Invalid color value received")
if self._white_value is not None:
try:
self._white_value = int(
self._templates[CONF_WHITE_VALUE_TEMPLATE].
async_render_with_possible_json_value(payload)
)
except ValueError:
_LOGGER.warning('Invalid white value received')
if self._templates[CONF_EFFECT_TEMPLATE] is not None:
effect = self._templates[CONF_EFFECT_TEMPLATE].\
async_render_with_possible_json_value(payload)
if effect in self._effect_list:
self._effect = effect
else:
_LOGGER.warning("Unsupported effect value received")
self.async_schedule_update_ha_state()
if self._topics[CONF_STATE_TOPIC] is not None:
await mqtt.async_subscribe(
self.hass, self._topics[CONF_STATE_TOPIC], state_received,
self._qos)
if self._optimistic and last_state:
self._state = last_state.state == STATE_ON
if last_state.attributes.get(ATTR_BRIGHTNESS):
self._brightness = last_state.attributes.get(ATTR_BRIGHTNESS)
if last_state.attributes.get(ATTR_HS_COLOR):
self._hs = last_state.attributes.get(ATTR_HS_COLOR)
if last_state.attributes.get(ATTR_COLOR_TEMP):
self._color_temp = last_state.attributes.get(ATTR_COLOR_TEMP)
if last_state.attributes.get(ATTR_EFFECT):
self._effect = last_state.attributes.get(ATTR_EFFECT)
if last_state.attributes.get(ATTR_WHITE_VALUE):
self._white_value = last_state.attributes.get(ATTR_WHITE_VALUE)
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def color_temp(self):
"""Return the color temperature in mired."""
return self._color_temp
@property
def hs_color(self):
"""Return the hs color value [int, int]."""
return self._hs
@property
def white_value(self):
"""Return the white property."""
return self._white_value
@property
def should_poll(self):
"""Return True if entity has to be polled for state.
False if entity pushes its state to HA.
"""
return False
@property
def name(self):
"""Return the name of the entity."""
return self._name
@property
def is_on(self):
"""Return True if entity is on."""
return self._state
@property
def assumed_state(self):
"""Return True if unable to access real state of the entity."""
return self._optimistic
@property
def effect_list(self):
"""Return the list of supported effects."""
return self._effect_list
@property
def effect(self):
"""Return the current effect."""
return self._effect
async def async_turn_on(self, **kwargs):
"""Turn the entity on.
This method is a coroutine.
"""
values = {'state': True}
if self._optimistic:
self._state = True
if ATTR_BRIGHTNESS in kwargs:
values['brightness'] = int(kwargs[ATTR_BRIGHTNESS])
if self._optimistic:
self._brightness = kwargs[ATTR_BRIGHTNESS]
if ATTR_COLOR_TEMP in kwargs:
values['color_temp'] = int(kwargs[ATTR_COLOR_TEMP])
if self._optimistic:
self._color_temp = kwargs[ATTR_COLOR_TEMP]
if ATTR_HS_COLOR in kwargs:
hs_color = kwargs[ATTR_HS_COLOR]
# If there's a brightness topic set, we don't want to scale the RGB
# values given using the brightness.
if self._templates[CONF_BRIGHTNESS_TEMPLATE] is not None:
brightness = 255
else:
brightness = kwargs.get(
ATTR_BRIGHTNESS, self._brightness if self._brightness else
255)
rgb = color_util.color_hsv_to_RGB(
hs_color[0], hs_color[1], brightness / 255 * 100)
values['red'] = rgb[0]
values['green'] = rgb[1]
values['blue'] = rgb[2]
if self._optimistic:
self._hs = kwargs[ATTR_HS_COLOR]
if ATTR_WHITE_VALUE in kwargs:
values['white_value'] = int(kwargs[ATTR_WHITE_VALUE])
if self._optimistic:
self._white_value = kwargs[ATTR_WHITE_VALUE]
if ATTR_EFFECT in kwargs:
values['effect'] = kwargs.get(ATTR_EFFECT)
if ATTR_FLASH in kwargs:
values['flash'] = kwargs.get(ATTR_FLASH)
if ATTR_TRANSITION in kwargs:
values['transition'] = int(kwargs[ATTR_TRANSITION])
mqtt.async_publish(
self.hass, self._topics[CONF_COMMAND_TOPIC],
self._templates[CONF_COMMAND_ON_TEMPLATE].async_render(**values),
self._qos, self._retain
)
if self._optimistic:
self.async_schedule_update_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn the entity off.
This method is a coroutine.
"""
values = {'state': False}
if self._optimistic:
self._state = False
if ATTR_TRANSITION in kwargs:
values['transition'] = int(kwargs[ATTR_TRANSITION])
mqtt.async_publish(
self.hass, self._topics[CONF_COMMAND_TOPIC],
self._templates[CONF_COMMAND_OFF_TEMPLATE].async_render(**values),
self._qos, self._retain
)
if self._optimistic:
self.async_schedule_update_ha_state()
@property
def supported_features(self):
"""Flag supported features."""
features = (SUPPORT_FLASH | SUPPORT_TRANSITION)
if self._brightness is not None:
features = features | SUPPORT_BRIGHTNESS
if self._hs is not None:
features = features | SUPPORT_COLOR
if self._effect_list is not None:
features = features | SUPPORT_EFFECT
if self._color_temp is not None:
features = features | SUPPORT_COLOR_TEMP
if self._white_value is not None:
features = features | SUPPORT_WHITE_VALUE
return features