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core/homeassistant/components/light/trigger.py
Ariel Ebersberger 11411a880d Refactor trigger helpers (#165455)
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
2026-03-16 15:26:57 +01:00

46 lines
1.3 KiB
Python

"""Provides triggers for lights."""
from typing import Any
from homeassistant.const import STATE_OFF, STATE_ON
from homeassistant.core import HomeAssistant
from homeassistant.helpers.automation import NumericalDomainSpec
from homeassistant.helpers.trigger import (
Trigger,
make_entity_numerical_state_changed_trigger,
make_entity_numerical_state_crossed_threshold_trigger,
make_entity_target_state_trigger,
)
from . import ATTR_BRIGHTNESS
from .const import DOMAIN
def _convert_uint8_to_percentage(value: Any) -> float:
"""Convert a uint8 value (0-255) to a percentage (0-100)."""
return (float(value) / 255.0) * 100.0
BRIGHTNESS_DOMAIN_SPECS = {
DOMAIN: NumericalDomainSpec(
value_source=ATTR_BRIGHTNESS,
value_converter=_convert_uint8_to_percentage,
),
}
TRIGGERS: dict[str, type[Trigger]] = {
"brightness_changed": make_entity_numerical_state_changed_trigger(
BRIGHTNESS_DOMAIN_SPECS
),
"brightness_crossed_threshold": make_entity_numerical_state_crossed_threshold_trigger(
BRIGHTNESS_DOMAIN_SPECS
),
"turned_off": make_entity_target_state_trigger(DOMAIN, STATE_OFF),
"turned_on": make_entity_target_state_trigger(DOMAIN, STATE_ON),
}
async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
"""Return the triggers for lights."""
return TRIGGERS