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53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
"""Provides triggers for lights."""
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from typing import Any
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from homeassistant.const import STATE_OFF, STATE_ON
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.trigger import (
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EntityNumericalStateAttributeChangedTriggerBase,
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EntityNumericalStateAttributeCrossedThresholdTriggerBase,
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Trigger,
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make_entity_target_state_trigger,
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)
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from . import ATTR_BRIGHTNESS
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from .const import DOMAIN
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def _convert_uint8_to_percentage(value: Any) -> float:
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"""Convert a uint8 value (0-255) to a percentage (0-100)."""
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return (float(value) / 255.0) * 100.0
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class BrightnessChangedTrigger(EntityNumericalStateAttributeChangedTriggerBase):
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"""Trigger for brightness changed."""
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_domain = DOMAIN
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_attribute = ATTR_BRIGHTNESS
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_converter = staticmethod(_convert_uint8_to_percentage)
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class BrightnessCrossedThresholdTrigger(
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EntityNumericalStateAttributeCrossedThresholdTriggerBase
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):
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"""Trigger for brightness crossed threshold."""
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_domain = DOMAIN
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_attribute = ATTR_BRIGHTNESS
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_converter = staticmethod(_convert_uint8_to_percentage)
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TRIGGERS: dict[str, type[Trigger]] = {
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"brightness_changed": BrightnessChangedTrigger,
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"brightness_crossed_threshold": BrightnessCrossedThresholdTrigger,
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"turned_off": make_entity_target_state_trigger(DOMAIN, STATE_OFF),
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"turned_on": make_entity_target_state_trigger(DOMAIN, STATE_ON),
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}
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async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
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"""Return the triggers for lights."""
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return TRIGGERS
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