core/homeassistant/components/mqtt/light/schema_template.py

371 lines
13 KiB
Python

"""Support for MQTT Template lights."""
from __future__ import annotations
from collections.abc import Callable
import logging
from typing import Any
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_COLOR_TEMP,
ATTR_EFFECT,
ATTR_FLASH,
ATTR_HS_COLOR,
ATTR_TRANSITION,
ENTITY_ID_FORMAT,
ColorMode,
LightEntity,
LightEntityFeature,
filter_supported_color_modes,
)
from homeassistant.const import (
CONF_NAME,
CONF_OPTIMISTIC,
CONF_STATE_TEMPLATE,
STATE_OFF,
STATE_ON,
)
from homeassistant.core import callback
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.restore_state import RestoreEntity
from homeassistant.helpers.service_info.mqtt import ReceivePayloadType
from homeassistant.helpers.typing import ConfigType, TemplateVarsType, VolSchemaType
import homeassistant.util.color as color_util
from .. import subscription
from ..config import MQTT_RW_SCHEMA
from ..const import CONF_COMMAND_TOPIC, CONF_STATE_TOPIC, PAYLOAD_NONE
from ..entity import MqttEntity
from ..models import (
MqttCommandTemplate,
MqttValueTemplate,
PublishPayloadType,
ReceiveMessage,
)
from ..schemas import MQTT_ENTITY_COMMON_SCHEMA
from .schema import MQTT_LIGHT_SCHEMA_SCHEMA
from .schema_basic import MQTT_LIGHT_ATTRIBUTES_BLOCKED
_LOGGER = logging.getLogger(__name__)
DOMAIN = "mqtt_template"
DEFAULT_NAME = "MQTT Template Light"
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_MAX_MIREDS = "max_mireds"
CONF_MIN_MIREDS = "min_mireds"
CONF_RED_TEMPLATE = "red_template"
COMMAND_TEMPLATES = (CONF_COMMAND_ON_TEMPLATE, CONF_COMMAND_OFF_TEMPLATE)
VALUE_TEMPLATES = (
CONF_BLUE_TEMPLATE,
CONF_BRIGHTNESS_TEMPLATE,
CONF_COLOR_TEMP_TEMPLATE,
CONF_EFFECT_TEMPLATE,
CONF_GREEN_TEMPLATE,
CONF_RED_TEMPLATE,
CONF_STATE_TEMPLATE,
)
PLATFORM_SCHEMA_MODERN_TEMPLATE = (
MQTT_RW_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.Required(CONF_COMMAND_OFF_TEMPLATE): cv.template,
vol.Required(CONF_COMMAND_ON_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_MAX_MIREDS): cv.positive_int,
vol.Optional(CONF_MIN_MIREDS): cv.positive_int,
vol.Optional(CONF_NAME): vol.Any(cv.string, None),
vol.Optional(CONF_RED_TEMPLATE): cv.template,
vol.Optional(CONF_STATE_TEMPLATE): cv.template,
}
)
.extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
.extend(MQTT_LIGHT_SCHEMA_SCHEMA.schema)
)
DISCOVERY_SCHEMA_TEMPLATE = vol.All(
PLATFORM_SCHEMA_MODERN_TEMPLATE.extend({}, extra=vol.REMOVE_EXTRA),
)
class MqttLightTemplate(MqttEntity, LightEntity, RestoreEntity):
"""Representation of a MQTT Template light."""
_default_name = DEFAULT_NAME
_entity_id_format = ENTITY_ID_FORMAT
_attributes_extra_blocked = MQTT_LIGHT_ATTRIBUTES_BLOCKED
_optimistic: bool
_command_templates: dict[
str, Callable[[PublishPayloadType, TemplateVarsType], PublishPayloadType]
]
_value_templates: dict[str, Callable[[ReceivePayloadType], ReceivePayloadType]]
_fixed_color_mode: ColorMode | str | None
_topics: dict[str, str | None]
@staticmethod
def config_schema() -> VolSchemaType:
"""Return the config schema."""
return DISCOVERY_SCHEMA_TEMPLATE
def _setup_from_config(self, config: ConfigType) -> None:
"""(Re)Setup the entity."""
self._attr_max_mireds = config.get(CONF_MAX_MIREDS, super().max_mireds)
self._attr_min_mireds = config.get(CONF_MIN_MIREDS, super().min_mireds)
self._attr_effect_list = config.get(CONF_EFFECT_LIST)
self._topics = {
key: config.get(key) for key in (CONF_STATE_TOPIC, CONF_COMMAND_TOPIC)
}
self._command_templates = {
key: MqttCommandTemplate(config[key], entity=self).async_render
for key in COMMAND_TEMPLATES
}
self._value_templates = {
key: MqttValueTemplate(
config.get(key), entity=self
).async_render_with_possible_json_value
for key in VALUE_TEMPLATES
}
optimistic: bool = config[CONF_OPTIMISTIC]
self._optimistic = (
optimistic
or self._topics[CONF_STATE_TOPIC] is None
or CONF_STATE_TEMPLATE not in self._config
)
self._attr_assumed_state = bool(self._optimistic)
color_modes = {ColorMode.ONOFF}
if CONF_BRIGHTNESS_TEMPLATE in config:
color_modes.add(ColorMode.BRIGHTNESS)
if CONF_COLOR_TEMP_TEMPLATE in config:
color_modes.add(ColorMode.COLOR_TEMP)
if (
CONF_RED_TEMPLATE in config
and CONF_GREEN_TEMPLATE in config
and CONF_BLUE_TEMPLATE in config
):
color_modes.add(ColorMode.HS)
self._attr_supported_color_modes = filter_supported_color_modes(color_modes)
self._fixed_color_mode = None
if self.supported_color_modes and len(self.supported_color_modes) == 1:
self._fixed_color_mode = next(iter(self.supported_color_modes))
self._attr_color_mode = self._fixed_color_mode
features = LightEntityFeature.FLASH | LightEntityFeature.TRANSITION
if config.get(CONF_EFFECT_LIST) is not None:
features = features | LightEntityFeature.EFFECT
self._attr_supported_features = features
def _update_color_mode(self) -> None:
"""Update the color_mode attribute."""
if self._fixed_color_mode:
return
# Support for ct + hs, prioritize hs
self._attr_color_mode = ColorMode.HS if self.hs_color else ColorMode.COLOR_TEMP
@callback
def _state_received(self, msg: ReceiveMessage) -> None:
"""Handle new MQTT messages."""
state = self._value_templates[CONF_STATE_TEMPLATE](msg.payload)
if state == STATE_ON:
self._attr_is_on = True
elif state == STATE_OFF:
self._attr_is_on = False
elif state == PAYLOAD_NONE:
self._attr_is_on = None
else:
_LOGGER.warning("Invalid state value received")
if CONF_BRIGHTNESS_TEMPLATE in self._config:
try:
if brightness := int(
self._value_templates[CONF_BRIGHTNESS_TEMPLATE](msg.payload)
):
self._attr_brightness = brightness
else:
_LOGGER.debug(
"Ignoring zero brightness value for entity %s",
self.entity_id,
)
except ValueError:
_LOGGER.warning("Invalid brightness value received from %s", msg.topic)
if CONF_COLOR_TEMP_TEMPLATE in self._config:
try:
color_temp = self._value_templates[CONF_COLOR_TEMP_TEMPLATE](
msg.payload
)
self._attr_color_temp = (
int(color_temp) if color_temp != "None" else None
)
except ValueError:
_LOGGER.warning("Invalid color temperature value received")
if (
CONF_RED_TEMPLATE in self._config
and CONF_GREEN_TEMPLATE in self._config
and CONF_BLUE_TEMPLATE in self._config
):
try:
red = self._value_templates[CONF_RED_TEMPLATE](msg.payload)
green = self._value_templates[CONF_GREEN_TEMPLATE](msg.payload)
blue = self._value_templates[CONF_BLUE_TEMPLATE](msg.payload)
if red == "None" and green == "None" and blue == "None":
self._attr_hs_color = None
else:
self._attr_hs_color = color_util.color_RGB_to_hs(
int(red), int(green), int(blue)
)
self._update_color_mode()
except ValueError:
_LOGGER.warning("Invalid color value received")
if CONF_EFFECT_TEMPLATE in self._config:
effect = str(self._value_templates[CONF_EFFECT_TEMPLATE](msg.payload))
if (
effect_list := self._config[CONF_EFFECT_LIST]
) and effect in effect_list:
self._attr_effect = effect
else:
_LOGGER.warning("Unsupported effect value received")
@callback
def _prepare_subscribe_topics(self) -> None:
"""(Re)Subscribe to topics."""
self.add_subscription(
CONF_STATE_TOPIC,
self._state_received,
{
"_attr_brightness",
"_attr_color_mode",
"_attr_color_temp",
"_attr_effect",
"_attr_hs_color",
"_attr_is_on",
},
)
async def _subscribe_topics(self) -> None:
"""(Re)Subscribe to topics."""
subscription.async_subscribe_topics_internal(self.hass, self._sub_state)
last_state = await self.async_get_last_state()
if self._optimistic and last_state:
self._attr_is_on = last_state.state == STATE_ON
if last_state.attributes.get(ATTR_BRIGHTNESS):
self._attr_brightness = last_state.attributes.get(ATTR_BRIGHTNESS)
if last_state.attributes.get(ATTR_HS_COLOR):
self._attr_hs_color = last_state.attributes.get(ATTR_HS_COLOR)
self._update_color_mode()
if last_state.attributes.get(ATTR_COLOR_TEMP):
self._attr_color_temp = last_state.attributes.get(ATTR_COLOR_TEMP)
if last_state.attributes.get(ATTR_EFFECT):
self._attr_effect = last_state.attributes.get(ATTR_EFFECT)
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn the entity on.
This method is a coroutine.
"""
values: dict[str, Any] = {"state": True}
if self._optimistic:
self._attr_is_on = True
if ATTR_BRIGHTNESS in kwargs:
values["brightness"] = int(kwargs[ATTR_BRIGHTNESS])
if self._optimistic:
self._attr_brightness = kwargs[ATTR_BRIGHTNESS]
if ATTR_COLOR_TEMP in kwargs:
values["color_temp"] = int(kwargs[ATTR_COLOR_TEMP])
if self._optimistic:
self._attr_color_temp = kwargs[ATTR_COLOR_TEMP]
self._attr_hs_color = None
self._update_color_mode()
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 CONF_BRIGHTNESS_TEMPLATE in self._config:
brightness = 255
else:
brightness = kwargs.get(
ATTR_BRIGHTNESS,
self._attr_brightness if self._attr_brightness is not None 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]
values["hue"] = hs_color[0]
values["sat"] = hs_color[1]
if self._optimistic:
self._attr_color_temp = None
self._attr_hs_color = kwargs[ATTR_HS_COLOR]
self._update_color_mode()
if ATTR_EFFECT in kwargs:
values["effect"] = kwargs.get(ATTR_EFFECT)
if self._optimistic:
self._attr_effect = kwargs[ATTR_EFFECT]
if ATTR_FLASH in kwargs:
values["flash"] = kwargs.get(ATTR_FLASH)
if ATTR_TRANSITION in kwargs:
values["transition"] = kwargs[ATTR_TRANSITION]
await self.async_publish_with_config(
str(self._topics[CONF_COMMAND_TOPIC]),
self._command_templates[CONF_COMMAND_ON_TEMPLATE](None, values),
)
if self._optimistic:
self.async_write_ha_state()
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the entity off.
This method is a coroutine.
"""
values: dict[str, Any] = {"state": False}
if self._optimistic:
self._attr_is_on = False
if ATTR_TRANSITION in kwargs:
values["transition"] = kwargs[ATTR_TRANSITION]
await self.async_publish_with_config(
str(self._topics[CONF_COMMAND_TOPIC]),
self._command_templates[CONF_COMMAND_OFF_TEMPLATE](None, values),
)
if self._optimistic:
self.async_write_ha_state()