core/homeassistant/components/light/significant_change.py

74 lines
1.7 KiB
Python

"""Helper to test significant Light state changes."""
from __future__ import annotations
from typing import Any
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.significant_change import (
check_numeric_changed,
either_one_none,
)
from . import (
ATTR_BRIGHTNESS,
ATTR_COLOR_TEMP,
ATTR_EFFECT,
ATTR_HS_COLOR,
ATTR_WHITE_VALUE,
)
@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(ATTR_EFFECT) != new_attrs.get(ATTR_EFFECT):
return True
old_color = old_attrs.get(ATTR_HS_COLOR)
new_color = new_attrs.get(ATTR_HS_COLOR)
if either_one_none(old_color, new_color):
return True
if old_color and new_color:
# Range 0..360
if check_numeric_changed(old_color[0], new_color[0], 5):
return True
# Range 0..100
if check_numeric_changed(old_color[1], new_color[1], 3):
return True
if check_numeric_changed(
old_attrs.get(ATTR_BRIGHTNESS), new_attrs.get(ATTR_BRIGHTNESS), 3
):
return True
if check_numeric_changed(
# Default range 153..500
old_attrs.get(ATTR_COLOR_TEMP),
new_attrs.get(ATTR_COLOR_TEMP),
5,
):
return True
if check_numeric_changed(
# Range 0..255
old_attrs.get(ATTR_WHITE_VALUE),
new_attrs.get(ATTR_WHITE_VALUE),
5,
):
return True
return False