1
mirror of https://github.com/home-assistant/core synced 2024-08-02 23:40:32 +02:00
ha-core/homeassistant/components/water_heater/__init__.py
Franck Nijhof 0b44265232
Add description classes to entity components (#53521)
* Add description classes to entity components

* An -> A

* Add StateVacuumEntityDescription
2021-07-27 00:22:21 +02:00

365 lines
11 KiB
Python

"""Support for water heater devices."""
from __future__ import annotations
from dataclasses import dataclass
from datetime import timedelta
import functools as ft
import logging
from typing import final
import voluptuous as vol
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_ENTITY_ID,
ATTR_TEMPERATURE,
PRECISION_TENTHS,
PRECISION_WHOLE,
SERVICE_TURN_OFF,
SERVICE_TURN_ON,
STATE_OFF,
STATE_ON,
TEMP_CELSIUS,
TEMP_FAHRENHEIT,
)
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.config_validation import ( # noqa: F401
PLATFORM_SCHEMA,
PLATFORM_SCHEMA_BASE,
)
from homeassistant.helpers.entity import Entity, EntityDescription
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.helpers.temperature import display_temp as show_temp
from homeassistant.util.temperature import convert as convert_temperature
# mypy: allow-untyped-defs, no-check-untyped-defs
DEFAULT_MIN_TEMP = 110
DEFAULT_MAX_TEMP = 140
DOMAIN = "water_heater"
ENTITY_ID_FORMAT = DOMAIN + ".{}"
SCAN_INTERVAL = timedelta(seconds=60)
SERVICE_SET_AWAY_MODE = "set_away_mode"
SERVICE_SET_TEMPERATURE = "set_temperature"
SERVICE_SET_OPERATION_MODE = "set_operation_mode"
STATE_ECO = "eco"
STATE_ELECTRIC = "electric"
STATE_PERFORMANCE = "performance"
STATE_HIGH_DEMAND = "high_demand"
STATE_HEAT_PUMP = "heat_pump"
STATE_GAS = "gas"
SUPPORT_TARGET_TEMPERATURE = 1
SUPPORT_OPERATION_MODE = 2
SUPPORT_AWAY_MODE = 4
ATTR_MAX_TEMP = "max_temp"
ATTR_MIN_TEMP = "min_temp"
ATTR_AWAY_MODE = "away_mode"
ATTR_OPERATION_MODE = "operation_mode"
ATTR_OPERATION_LIST = "operation_list"
ATTR_TARGET_TEMP_HIGH = "target_temp_high"
ATTR_TARGET_TEMP_LOW = "target_temp_low"
ATTR_CURRENT_TEMPERATURE = "current_temperature"
CONVERTIBLE_ATTRIBUTE = [ATTR_TEMPERATURE]
_LOGGER = logging.getLogger(__name__)
ON_OFF_SERVICE_SCHEMA = vol.Schema({vol.Optional(ATTR_ENTITY_ID): cv.comp_entity_ids})
SET_AWAY_MODE_SCHEMA = vol.Schema(
{
vol.Optional(ATTR_ENTITY_ID): cv.comp_entity_ids,
vol.Required(ATTR_AWAY_MODE): cv.boolean,
}
)
SET_TEMPERATURE_SCHEMA = vol.Schema(
vol.All(
{
vol.Required(ATTR_TEMPERATURE, "temperature"): vol.Coerce(float),
vol.Optional(ATTR_ENTITY_ID): cv.comp_entity_ids,
vol.Optional(ATTR_OPERATION_MODE): cv.string,
}
)
)
SET_OPERATION_MODE_SCHEMA = vol.Schema(
{
vol.Optional(ATTR_ENTITY_ID): cv.comp_entity_ids,
vol.Required(ATTR_OPERATION_MODE): cv.string,
}
)
async def async_setup(hass, config):
"""Set up water_heater devices."""
component = hass.data[DOMAIN] = EntityComponent(
_LOGGER, DOMAIN, hass, SCAN_INTERVAL
)
await component.async_setup(config)
component.async_register_entity_service(
SERVICE_SET_AWAY_MODE, SET_AWAY_MODE_SCHEMA, async_service_away_mode
)
component.async_register_entity_service(
SERVICE_SET_TEMPERATURE, SET_TEMPERATURE_SCHEMA, async_service_temperature_set
)
component.async_register_entity_service(
SERVICE_SET_OPERATION_MODE,
SET_OPERATION_MODE_SCHEMA,
"async_set_operation_mode",
)
component.async_register_entity_service(
SERVICE_TURN_OFF, ON_OFF_SERVICE_SCHEMA, "async_turn_off"
)
component.async_register_entity_service(
SERVICE_TURN_ON, ON_OFF_SERVICE_SCHEMA, "async_turn_on"
)
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up a config entry."""
component: EntityComponent = hass.data[DOMAIN]
return await component.async_setup_entry(entry)
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
component: EntityComponent = hass.data[DOMAIN]
return await component.async_unload_entry(entry)
@dataclass
class WaterHeaterEntityEntityDescription(EntityDescription):
"""A class that describes water heater entities."""
class WaterHeaterEntity(Entity):
"""Base class for water heater entities."""
entity_description: WaterHeaterEntityEntityDescription
_attr_current_operation: str | None = None
_attr_current_temperature: float | None = None
_attr_is_away_mode_on: bool | None = None
_attr_max_temp: float
_attr_min_temp: float
_attr_operation_list: list[str] | None = None
_attr_precision: float
_attr_state: None = None
_attr_supported_features: int
_attr_target_temperature_high: float | None = None
_attr_target_temperature_low: float | None = None
_attr_target_temperature: float | None = None
_attr_temperature_unit: str
@final
@property
def state(self) -> str | None:
"""Return the current state."""
return self.current_operation
@property
def precision(self) -> float:
"""Return the precision of the system."""
if hasattr(self, "_attr_precision"):
return self._attr_precision
if self.hass.config.units.temperature_unit == TEMP_CELSIUS:
return PRECISION_TENTHS
return PRECISION_WHOLE
@property
def capability_attributes(self):
"""Return capability attributes."""
supported_features = self.supported_features or 0
data = {
ATTR_MIN_TEMP: show_temp(
self.hass, self.min_temp, self.temperature_unit, self.precision
),
ATTR_MAX_TEMP: show_temp(
self.hass, self.max_temp, self.temperature_unit, self.precision
),
}
if supported_features & SUPPORT_OPERATION_MODE:
data[ATTR_OPERATION_LIST] = self.operation_list
return data
@final
@property
def state_attributes(self):
"""Return the optional state attributes."""
data = {
ATTR_CURRENT_TEMPERATURE: show_temp(
self.hass,
self.current_temperature,
self.temperature_unit,
self.precision,
),
ATTR_TEMPERATURE: show_temp(
self.hass,
self.target_temperature,
self.temperature_unit,
self.precision,
),
ATTR_TARGET_TEMP_HIGH: show_temp(
self.hass,
self.target_temperature_high,
self.temperature_unit,
self.precision,
),
ATTR_TARGET_TEMP_LOW: show_temp(
self.hass,
self.target_temperature_low,
self.temperature_unit,
self.precision,
),
}
supported_features = self.supported_features
if supported_features & SUPPORT_OPERATION_MODE:
data[ATTR_OPERATION_MODE] = self.current_operation
if supported_features & SUPPORT_AWAY_MODE:
is_away = self.is_away_mode_on
data[ATTR_AWAY_MODE] = STATE_ON if is_away else STATE_OFF
return data
@property
def temperature_unit(self) -> str:
"""Return the unit of measurement used by the platform."""
return self._attr_temperature_unit
@property
def current_operation(self) -> str | None:
"""Return current operation ie. eco, electric, performance, ..."""
return self._attr_current_operation
@property
def operation_list(self) -> list[str] | None:
"""Return the list of available operation modes."""
return self._attr_operation_list
@property
def current_temperature(self) -> float | None:
"""Return the current temperature."""
return self._attr_current_temperature
@property
def target_temperature(self) -> float | None:
"""Return the temperature we try to reach."""
return self._attr_target_temperature
@property
def target_temperature_high(self) -> float | None:
"""Return the highbound target temperature we try to reach."""
return self._attr_target_temperature_high
@property
def target_temperature_low(self) -> float | None:
"""Return the lowbound target temperature we try to reach."""
return self._attr_target_temperature_low
@property
def is_away_mode_on(self) -> bool | None:
"""Return true if away mode is on."""
return self._attr_is_away_mode_on
def set_temperature(self, **kwargs):
"""Set new target temperature."""
raise NotImplementedError()
async def async_set_temperature(self, **kwargs):
"""Set new target temperature."""
await self.hass.async_add_executor_job(
ft.partial(self.set_temperature, **kwargs)
)
def set_operation_mode(self, operation_mode):
"""Set new target operation mode."""
raise NotImplementedError()
async def async_set_operation_mode(self, operation_mode):
"""Set new target operation mode."""
await self.hass.async_add_executor_job(self.set_operation_mode, operation_mode)
def turn_away_mode_on(self):
"""Turn away mode on."""
raise NotImplementedError()
async def async_turn_away_mode_on(self):
"""Turn away mode on."""
await self.hass.async_add_executor_job(self.turn_away_mode_on)
def turn_away_mode_off(self):
"""Turn away mode off."""
raise NotImplementedError()
async def async_turn_away_mode_off(self):
"""Turn away mode off."""
await self.hass.async_add_executor_job(self.turn_away_mode_off)
@property
def min_temp(self):
"""Return the minimum temperature."""
if hasattr(self, "_attr_min_temp"):
return self._attr_min_temp
return convert_temperature(
DEFAULT_MIN_TEMP, TEMP_FAHRENHEIT, self.temperature_unit
)
@property
def max_temp(self):
"""Return the maximum temperature."""
if hasattr(self, "_attr_max_temp"):
return self._attr_max_temp
return convert_temperature(
DEFAULT_MAX_TEMP, TEMP_FAHRENHEIT, self.temperature_unit
)
async def async_service_away_mode(entity, service):
"""Handle away mode service."""
if service.data[ATTR_AWAY_MODE]:
await entity.async_turn_away_mode_on()
else:
await entity.async_turn_away_mode_off()
async def async_service_temperature_set(entity, service):
"""Handle set temperature service."""
hass = entity.hass
kwargs = {}
for value, temp in service.data.items():
if value in CONVERTIBLE_ATTRIBUTE:
kwargs[value] = convert_temperature(
temp, hass.config.units.temperature_unit, entity.temperature_unit
)
else:
kwargs[value] = temp
await entity.async_set_temperature(**kwargs)
class WaterHeaterDevice(WaterHeaterEntity):
"""Representation of a water heater (for backwards compatibility)."""
def __init_subclass__(cls, **kwargs):
"""Print deprecation warning."""
super().__init_subclass__(**kwargs)
_LOGGER.warning(
"WaterHeaterDevice is deprecated, modify %s to extend WaterHeaterEntity",
cls.__name__,
)