151 lines
4.4 KiB
Python
151 lines
4.4 KiB
Python
"""Support for LED numbers."""
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from __future__ import annotations
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from collections.abc import Callable
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from dataclasses import dataclass
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from functools import partial
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from wled import Segment
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from homeassistant.components.number import NumberEntity, NumberEntityDescription
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import EntityCategory
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import ATTR_INTENSITY, ATTR_SPEED, DOMAIN
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from .coordinator import WLEDDataUpdateCoordinator
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from .helpers import wled_exception_handler
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from .models import WLEDEntity
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PARALLEL_UPDATES = 1
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up WLED number based on a config entry."""
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coordinator: WLEDDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
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update_segments = partial(
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async_update_segments,
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coordinator,
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set(),
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async_add_entities,
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)
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coordinator.async_add_listener(update_segments)
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update_segments()
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@dataclass
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class WLEDNumberDescriptionMixin:
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"""Mixin for WLED number."""
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value_fn: Callable[[Segment], float | None]
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@dataclass
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class WLEDNumberEntityDescription(NumberEntityDescription, WLEDNumberDescriptionMixin):
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"""Class describing WLED number entities."""
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NUMBERS = [
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WLEDNumberEntityDescription(
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key=ATTR_SPEED,
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name="Speed",
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icon="mdi:speedometer",
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entity_category=EntityCategory.CONFIG,
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native_step=1,
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native_min_value=0,
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native_max_value=255,
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value_fn=lambda segment: segment.speed,
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),
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WLEDNumberEntityDescription(
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key=ATTR_INTENSITY,
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name="Intensity",
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entity_category=EntityCategory.CONFIG,
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native_step=1,
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native_min_value=0,
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native_max_value=255,
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value_fn=lambda segment: segment.intensity,
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),
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]
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class WLEDNumber(WLEDEntity, NumberEntity):
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"""Defines a WLED speed number."""
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entity_description: WLEDNumberEntityDescription
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def __init__(
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self,
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coordinator: WLEDDataUpdateCoordinator,
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segment: int,
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description: WLEDNumberEntityDescription,
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) -> None:
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"""Initialize WLED ."""
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super().__init__(coordinator=coordinator)
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self.entity_description = description
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# Segment 0 uses a simpler name, which is more natural for when using
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# a single segment / using WLED with one big LED strip.
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if segment != 0:
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self._attr_name = f"Segment {segment} {description.name}"
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self._attr_unique_id = (
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f"{coordinator.data.info.mac_address}_{description.key}_{segment}"
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)
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self._segment = segment
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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try:
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self.coordinator.data.state.segments[self._segment]
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except IndexError:
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return False
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return super().available
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@property
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def native_value(self) -> float | None:
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"""Return the current WLED segment number value."""
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return self.entity_description.value_fn(
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self.coordinator.data.state.segments[self._segment]
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)
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@wled_exception_handler
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async def async_set_native_value(self, value: float) -> None:
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"""Set the WLED segment value."""
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key = self.entity_description.key
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if key == ATTR_SPEED:
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await self.coordinator.wled.segment(
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segment_id=self._segment, speed=int(value)
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)
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elif key == ATTR_INTENSITY:
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await self.coordinator.wled.segment(
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segment_id=self._segment, intensity=int(value)
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)
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@callback
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def async_update_segments(
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coordinator: WLEDDataUpdateCoordinator,
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current_ids: set[int],
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Update segments."""
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segment_ids = {segment.segment_id for segment in coordinator.data.state.segments}
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new_entities: list[WLEDNumber] = []
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# Process new segments, add them to Home Assistant
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for segment_id in segment_ids - current_ids:
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current_ids.add(segment_id)
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for desc in NUMBERS:
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new_entities.append(WLEDNumber(coordinator, segment_id, desc))
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async_add_entities(new_entities)
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