102 lines
3 KiB
Python
102 lines
3 KiB
Python
"""Switch support for Melnor Bluetooth water timer."""
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from __future__ import annotations
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from collections.abc import Callable, Coroutine
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from dataclasses import dataclass
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from typing import Any
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from melnor_bluetooth.device import Valve
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from homeassistant.components.switch import (
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SwitchDeviceClass,
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SwitchEntity,
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SwitchEntityDescription,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import DOMAIN
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from .models import MelnorDataUpdateCoordinator, MelnorZoneEntity
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@dataclass
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class MelnorSwitchEntityDescriptionMixin:
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"""Mixin for required keys."""
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on_off_fn: Callable[[Valve, bool], Coroutine[Any, Any, None]]
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state_fn: Callable[[Valve], Any]
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@dataclass
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class MelnorSwitchEntityDescription(
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SwitchEntityDescription, MelnorSwitchEntityDescriptionMixin
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):
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"""Describes Melnor switch entity."""
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switches = [
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MelnorSwitchEntityDescription(
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device_class=SwitchDeviceClass.SWITCH,
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icon="mdi:sprinkler",
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key="manual",
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name="Manual",
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on_off_fn=lambda valve, bool: valve.set_is_watering(bool),
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state_fn=lambda valve: valve.is_watering,
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)
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]
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_devices: AddEntitiesCallback,
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) -> None:
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"""Set up the switch platform."""
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entities: list[MelnorZoneSwitch] = []
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coordinator: MelnorDataUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
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# This device may not have 4 valves total, but the library will only expose the right number of valves
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for i in range(1, 5):
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valve = coordinator.data[f"zone{i}"]
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if valve is not None:
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for description in switches:
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entities.append(MelnorZoneSwitch(coordinator, valve, description))
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async_add_devices(entities)
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class MelnorZoneSwitch(MelnorZoneEntity, SwitchEntity):
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"""A switch implementation for a melnor device."""
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entity_description: MelnorSwitchEntityDescription
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def __init__(
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self,
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coordinator: MelnorDataUpdateCoordinator,
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valve: Valve,
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entity_description: MelnorSwitchEntityDescription,
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) -> None:
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"""Initialize a switch for a melnor device."""
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super().__init__(coordinator, valve)
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self._attr_unique_id = f"{self._device.mac}-zone{valve.id}-manual"
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self.entity_description = entity_description
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@property
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def is_on(self) -> bool:
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"""Return true if device is on."""
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return self.entity_description.state_fn(self._valve)
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async def async_turn_on(self, **kwargs: Any) -> None:
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"""Turn the device on."""
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await self.entity_description.on_off_fn(self._valve, True)
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self.async_write_ha_state()
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Turn the device off."""
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await self.entity_description.on_off_fn(self._valve, False)
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self.async_write_ha_state()
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