156 lines
4.9 KiB
Python
156 lines
4.9 KiB
Python
"""Support for RainMachine selects."""
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from __future__ import annotations
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from dataclasses import dataclass
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from regenmaschine.errors import RainMachineError
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from homeassistant.components.select import SelectEntity, SelectEntityDescription
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.entity import EntityCategory
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util.unit_system import US_CUSTOMARY_SYSTEM, UnitSystem
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from . import RainMachineData, RainMachineEntity
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from .const import DATA_RESTRICTIONS_UNIVERSAL, DOMAIN
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from .model import (
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RainMachineEntityDescription,
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RainMachineEntityDescriptionMixinDataKey,
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)
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from .util import key_exists
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@dataclass
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class RainMachineSelectDescription(
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SelectEntityDescription,
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RainMachineEntityDescription,
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RainMachineEntityDescriptionMixinDataKey,
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):
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"""Describe a generic RainMachine select."""
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@dataclass
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class FreezeProtectionSelectOption:
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"""Define an option for a freeze selection select."""
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api_value: float
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imperial_label: str
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metric_label: str
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@dataclass
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class FreezeProtectionTemperatureMixin:
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"""Define an entity description mixin to include an options list."""
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extended_options: list[FreezeProtectionSelectOption]
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@dataclass
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class FreezeProtectionSelectDescription(
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RainMachineSelectDescription, FreezeProtectionTemperatureMixin
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):
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"""Describe a freeze protection temperature select."""
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TYPE_FREEZE_PROTECTION_TEMPERATURE = "freeze_protection_temperature"
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SELECT_DESCRIPTIONS = (
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FreezeProtectionSelectDescription(
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key=TYPE_FREEZE_PROTECTION_TEMPERATURE,
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name="Freeze protection temperature",
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icon="mdi:thermometer",
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entity_category=EntityCategory.CONFIG,
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api_category=DATA_RESTRICTIONS_UNIVERSAL,
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data_key="freezeProtectTemp",
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extended_options=[
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FreezeProtectionSelectOption(
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api_value=0.0,
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imperial_label="32°F",
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metric_label="0°C",
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),
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FreezeProtectionSelectOption(
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api_value=2.0,
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imperial_label="35.6°F",
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metric_label="2°C",
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),
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FreezeProtectionSelectOption(
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api_value=5.0,
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imperial_label="41°F",
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metric_label="5°C",
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),
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FreezeProtectionSelectOption(
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api_value=10.0,
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imperial_label="50°F",
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metric_label="10°C",
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),
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],
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Set up RainMachine selects based on a config entry."""
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data: RainMachineData = hass.data[DOMAIN][entry.entry_id]
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entity_map = {
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TYPE_FREEZE_PROTECTION_TEMPERATURE: FreezeProtectionTemperatureSelect,
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}
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async_add_entities(
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entity_map[description.key](entry, data, description, hass.config.units)
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for description in SELECT_DESCRIPTIONS
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if (
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(coordinator := data.coordinators[description.api_category]) is not None
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and coordinator.data
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and key_exists(coordinator.data, description.data_key)
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)
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)
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class FreezeProtectionTemperatureSelect(RainMachineEntity, SelectEntity):
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"""Define a RainMachine select."""
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entity_description: FreezeProtectionSelectDescription
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def __init__(
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self,
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entry: ConfigEntry,
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data: RainMachineData,
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description: FreezeProtectionSelectDescription,
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unit_system: UnitSystem,
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) -> None:
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"""Initialize."""
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super().__init__(entry, data, description)
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self._api_value_to_label_map = {}
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self._label_to_api_value_map = {}
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for option in description.extended_options:
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if unit_system is US_CUSTOMARY_SYSTEM:
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label = option.imperial_label
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else:
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label = option.metric_label
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self._api_value_to_label_map[option.api_value] = label
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self._label_to_api_value_map[label] = option.api_value
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self._attr_options = list(self._label_to_api_value_map)
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async def async_select_option(self, option: str) -> None:
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"""Change the selected option."""
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try:
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await self._data.controller.restrictions.set_universal(
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{self.entity_description.data_key: self._label_to_api_value_map[option]}
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)
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except RainMachineError as err:
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raise HomeAssistantError(f"Error while setting {self.name}: {err}") from err
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@callback
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def update_from_latest_data(self) -> None:
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"""Update the entity when new data is received."""
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raw_value = self.coordinator.data[self.entity_description.data_key]
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self._attr_current_option = self._api_value_to_label_map[raw_value]
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