94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
"""Support for ISY994 lights."""
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from typing import Callable
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from homeassistant.components.light import (
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DOMAIN as LIGHT,
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SUPPORT_BRIGHTNESS,
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LightEntity,
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)
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from homeassistant.helpers.restore_state import RestoreEntity
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from homeassistant.helpers.typing import ConfigType
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from . import ISY994_NODES
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from .const import _LOGGER
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from .entity import ISYNodeEntity
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ATTR_LAST_BRIGHTNESS = "last_brightness"
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def setup_platform(
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hass, config: ConfigType, add_entities: Callable[[list], None], discovery_info=None
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):
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"""Set up the ISY994 light platform."""
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devices = []
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for node in hass.data[ISY994_NODES][LIGHT]:
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devices.append(ISYLightEntity(node))
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add_entities(devices)
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class ISYLightEntity(ISYNodeEntity, LightEntity, RestoreEntity):
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"""Representation of an ISY994 light device."""
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def __init__(self, node) -> None:
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"""Initialize the ISY994 light device."""
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super().__init__(node)
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self._last_brightness = None
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@property
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def is_on(self) -> bool:
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"""Get whether the ISY994 light is on."""
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if self.is_unknown():
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return False
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return self.value != 0
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@property
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def brightness(self) -> float:
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"""Get the brightness of the ISY994 light."""
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return None if self.is_unknown() else self.value
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def turn_off(self, **kwargs) -> None:
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"""Send the turn off command to the ISY994 light device."""
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self._last_brightness = self.brightness
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if not self._node.off():
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_LOGGER.debug("Unable to turn off light")
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def on_update(self, event: object) -> None:
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"""Save brightness in the update event from the ISY994 Node."""
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if not self.is_unknown() and self.value != 0:
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self._last_brightness = self.value
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super().on_update(event)
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# pylint: disable=arguments-differ
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def turn_on(self, brightness=None, **kwargs) -> None:
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"""Send the turn on command to the ISY994 light device."""
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if brightness is None and self._last_brightness:
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brightness = self._last_brightness
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if not self._node.on(val=brightness):
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_LOGGER.debug("Unable to turn on light")
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS
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@property
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def device_state_attributes(self):
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"""Return the light attributes."""
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return {ATTR_LAST_BRIGHTNESS: self._last_brightness}
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async def async_added_to_hass(self) -> None:
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"""Restore last_brightness on restart."""
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await super().async_added_to_hass()
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self._last_brightness = self.brightness or 255
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last_state = await self.async_get_last_state()
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if not last_state:
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return
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if (
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ATTR_LAST_BRIGHTNESS in last_state.attributes
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and last_state.attributes[ATTR_LAST_BRIGHTNESS]
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):
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self._last_brightness = last_state.attributes[ATTR_LAST_BRIGHTNESS]
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