core/homeassistant/components/tellstick/light.py

92 lines
2.9 KiB
Python

"""Support for Tellstick lights."""
from __future__ import annotations
from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import (
ATTR_DISCOVER_CONFIG,
ATTR_DISCOVER_DEVICES,
DATA_TELLSTICK,
DEFAULT_SIGNAL_REPETITIONS,
)
from .entity import TellstickDevice
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Tellstick lights."""
if discovery_info is None or discovery_info[ATTR_DISCOVER_DEVICES] is None:
return
signal_repetitions = discovery_info.get(
ATTR_DISCOVER_CONFIG, DEFAULT_SIGNAL_REPETITIONS
)
add_entities(
[
TellstickLight(hass.data[DATA_TELLSTICK][tellcore_id], signal_repetitions)
for tellcore_id in discovery_info[ATTR_DISCOVER_DEVICES]
],
True,
)
class TellstickLight(TellstickDevice, LightEntity):
"""Representation of a Tellstick light."""
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(self, tellcore_device, signal_repetitions):
"""Initialize the Tellstick light."""
super().__init__(tellcore_device, signal_repetitions)
self._brightness = 255
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
def _parse_ha_data(self, kwargs):
"""Turn the value from HA into something useful."""
return kwargs.get(ATTR_BRIGHTNESS)
def _parse_tellcore_data(self, tellcore_data):
"""Turn the value received from tellcore into something useful."""
if tellcore_data:
return int(tellcore_data) # brightness
return None
def _update_model(self, new_state, data):
"""Update the device entity state to match the arguments."""
if new_state:
if (brightness := data) is not None:
self._brightness = brightness
# _brightness is not defined when called from super
try:
self._state = self._brightness > 0
except AttributeError:
self._state = True
else:
self._state = False
def _send_device_command(self, requested_state, requested_data):
"""Let tellcore update the actual device to the requested state."""
if requested_state:
if requested_data is not None:
self._brightness = int(requested_data)
self._tellcore_device.dim(self._brightness)
else:
self._tellcore_device.turn_off()