Files
core/homeassistant/components/light/significant_change.py
T

57 lines
1.5 KiB
Python

"""Helper to test significant Light state changes."""
from typing import Any
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.significant_change import check_absolute_change
from .const import LightEntityStateAttribute
@callback
def async_check_significant_change(
hass: HomeAssistant,
old_state: str,
old_attrs: dict,
new_state: str,
new_attrs: dict,
**kwargs: Any,
) -> bool | None:
"""Test if state significantly changed."""
if old_state != new_state:
return True
if old_attrs.get(LightEntityStateAttribute.EFFECT) != new_attrs.get(
LightEntityStateAttribute.EFFECT
):
return True
old_color = old_attrs.get(LightEntityStateAttribute.HS_COLOR)
new_color = new_attrs.get(LightEntityStateAttribute.HS_COLOR)
if old_color and new_color:
# Range 0..360
if check_absolute_change(old_color[0], new_color[0], 5):
return True
# Range 0..100
if check_absolute_change(old_color[1], new_color[1], 3):
return True
if check_absolute_change(
old_attrs.get(LightEntityStateAttribute.BRIGHTNESS),
new_attrs.get(LightEntityStateAttribute.BRIGHTNESS),
3,
):
return True
if check_absolute_change(
# Default range 2000..6500
old_attrs.get(LightEntityStateAttribute.COLOR_TEMP_KELVIN),
new_attrs.get(LightEntityStateAttribute.COLOR_TEMP_KELVIN),
50,
):
return True
return False