core/homeassistant/components/climate/significant_change.py

108 lines
2.8 KiB
Python

"""Helper to test significant Climate state changes."""
from __future__ import annotations
from typing import Any
from homeassistant.const import UnitOfTemperature
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.significant_change import (
check_absolute_change,
check_valid_float,
)
from . import (
ATTR_AUX_HEAT,
ATTR_CURRENT_HUMIDITY,
ATTR_CURRENT_TEMPERATURE,
ATTR_FAN_MODE,
ATTR_HUMIDITY,
ATTR_HVAC_ACTION,
ATTR_PRESET_MODE,
ATTR_SWING_MODE,
ATTR_TARGET_TEMP_HIGH,
ATTR_TARGET_TEMP_LOW,
ATTR_TEMPERATURE,
)
SIGNIFICANT_ATTRIBUTES: set[str] = {
ATTR_AUX_HEAT,
ATTR_CURRENT_HUMIDITY,
ATTR_CURRENT_TEMPERATURE,
ATTR_FAN_MODE,
ATTR_HUMIDITY,
ATTR_HVAC_ACTION,
ATTR_PRESET_MODE,
ATTR_SWING_MODE,
ATTR_TARGET_TEMP_HIGH,
ATTR_TARGET_TEMP_LOW,
ATTR_TEMPERATURE,
}
@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
old_attrs_s = set(
{k: v for k, v in old_attrs.items() if k in SIGNIFICANT_ATTRIBUTES}.items()
)
new_attrs_s = set(
{k: v for k, v in new_attrs.items() if k in SIGNIFICANT_ATTRIBUTES}.items()
)
changed_attrs: set[str] = {item[0] for item in old_attrs_s ^ new_attrs_s}
ha_unit = hass.config.units.temperature_unit
for attr_name in changed_attrs:
if attr_name in [
ATTR_AUX_HEAT,
ATTR_FAN_MODE,
ATTR_HVAC_ACTION,
ATTR_PRESET_MODE,
ATTR_SWING_MODE,
]:
return True
old_attr_value = old_attrs.get(attr_name)
new_attr_value = new_attrs.get(attr_name)
if new_attr_value is None or not check_valid_float(new_attr_value):
# New attribute value is invalid, ignore it
continue
if old_attr_value is None or not check_valid_float(old_attr_value):
# Old attribute value was invalid, we should report again
return True
absolute_change: float | None = None
if attr_name in [
ATTR_CURRENT_TEMPERATURE,
ATTR_TARGET_TEMP_HIGH,
ATTR_TARGET_TEMP_LOW,
ATTR_TEMPERATURE,
]:
if ha_unit == UnitOfTemperature.FAHRENHEIT:
absolute_change = 1.0
else:
absolute_change = 0.5
if attr_name in [ATTR_CURRENT_HUMIDITY, ATTR_HUMIDITY]:
absolute_change = 1.0
if absolute_change and check_absolute_change(
old_attr_value, new_attr_value, absolute_change
):
return True
# no significant attribute change detected
return False