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

137 lines
4.5 KiB
Python

"""Light platform for the NeoPool integration."""
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any, override
from neopool_modbus import NeoPoolInvalidStateError
from neopool_modbus.exceptions import NeoPoolError
from neopool_modbus.registers import RelayKind, TimerRelayMode, is_valid_relay_gpio
from homeassistant.components.light import (
ColorMode,
LightEntity,
LightEntityDescription,
)
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .const import CONF_USE_LIGHT, DOMAIN
from .coordinator import NeoPoolConfigEntry, NeoPoolCoordinator
from .entity import NeoPoolEntity
PARALLEL_UPDATES = 1
_LIGHT_TIMER_ENABLE_KEY = "relay_light_enable"
@dataclass(frozen=True, kw_only=True)
class NeoPoolLightEntityDescription(LightEntityDescription):
"""Describes a NeoPool light entity."""
supported_fn: Callable[[dict[str, Any]], bool] | None = None
LIGHT_DESCRIPTIONS: dict[str, NeoPoolLightEntityDescription] = {
"light": NeoPoolLightEntityDescription(
key="light",
translation_key="light",
supported_fn=lambda data: (
"MBF_PAR_LIGHTING_GPIO" in data
and is_valid_relay_gpio(data["MBF_PAR_LIGHTING_GPIO"] or 0)
),
),
}
async def async_setup_entry(
hass: HomeAssistant,
entry: NeoPoolConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up NeoPool lights from a config entry."""
coordinator = entry.runtime_data
if not entry.options.get(CONF_USE_LIGHT):
return
async_add_entities(
NeoPoolLight(coordinator, key, desc)
for key, desc in LIGHT_DESCRIPTIONS.items()
if desc.supported_fn is None or desc.supported_fn(coordinator.data)
)
class NeoPoolLight(NeoPoolEntity, LightEntity):
"""Representation of a NeoPool light entity."""
entity_description: NeoPoolLightEntityDescription
_attr_supported_color_modes = {ColorMode.ONOFF}
_attr_color_mode = ColorMode.ONOFF
def __init__(
self,
coordinator: NeoPoolCoordinator,
key: str,
description: NeoPoolLightEntityDescription,
) -> None:
"""Initialize the NeoPool light entity."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = (
f"{self.coordinator.config_entry.unique_id}_{key.lower()}"
)
@override
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn the light ON."""
await self._async_set_state(True)
@override
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the light OFF."""
await self._async_set_state(False)
async def _async_set_state(self, state: bool) -> None:
"""Write the light relay state.
Refuses the write when the light timer is not in a manual mode
(checked against ``relay_light_enable`` in coordinator data as a
fast pre-check, and by re-raising ``NeoPoolInvalidStateError`` from
the library for the race where device state changed since the poll).
"""
if self.coordinator.data.get(_LIGHT_TIMER_ENABLE_KEY) not in (
TimerRelayMode.ALWAYS_ON,
TimerRelayMode.ALWAYS_OFF,
):
raise ServiceValidationError(
translation_domain=DOMAIN,
translation_key="relay_in_auto_mode",
)
try:
overrides = await self.coordinator.client.async_set_relay_state(
RelayKind.LIGHT, state
)
except NeoPoolInvalidStateError as err:
raise ServiceValidationError(
translation_domain=DOMAIN,
translation_key="relay_in_auto_mode",
) from err
except (NeoPoolError, OSError, TimeoutError) as err:
raise HomeAssistantError(
translation_domain=DOMAIN,
translation_key="modbus_communication_error",
translation_placeholders={"error": str(err)},
) from err
self.coordinator.async_set_updated_data({**self.coordinator.data, **overrides})
self.coordinator.request_refresh_with_followup()
@property
@override
def is_on(self) -> bool:
"""Return True if the light is ON."""
return bool(self.coordinator.data.get("Pool Light"))