552 lines
15 KiB
Python
552 lines
15 KiB
Python
import asyncio
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from app.tion.service import TionService
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from datetime import (
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date,
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datetime,
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timedelta,
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)
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from .models import (
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ScheduleActionType,
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ScheduleConfig,
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ScheduleOccurrence,
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ScheduleResolution,
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ScheduledSettings,
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)
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from dataclasses import replace
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WEEKDAYS = (
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"mon",
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"tue",
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"wed",
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"thu",
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"fri",
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"sat",
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"sun",
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)
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class ScheduleService:
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def __init__(
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self,
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config,
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tion: TionService | None = None,
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check_interval: float = 5.0,
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):
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self._config = config
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self._tion = tion
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self._check_interval = check_interval
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self._running = False
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self._task = None
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# Последняя успешно применённая точка расписания.
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self._last_applied_when: datetime | None = None
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# Temporary override.
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self._override_settings = ScheduledSettings()
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self._override_until: datetime | None = None
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# True означает:
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# override записан, но применить его к Tion
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# пока не удалось.
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self._override_pending = False
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# Ошибка именно ScheduleService.
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self._last_error: str | None = None
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@property
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def running(self) -> bool:
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return self._running
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@property
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def last_error(self) -> str | None:
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return self._last_error
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@property
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def override_settings(self) -> ScheduledSettings:
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return self._override_settings
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@property
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def override_until(self) -> datetime | None:
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return self._override_until
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@property
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def override_active(self) -> bool:
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if self._override_until is None:
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return False
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return datetime.now() < self._override_until
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@property
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def config(self) -> ScheduleConfig:
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return self._config
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async def apply_override(self, settings: ScheduledSettings) -> None:
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if settings.empty:
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raise ValueError(
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"Override settings cannot be empty"
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)
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if self._tion is None:
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raise RuntimeError(
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"TionService is required"
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)
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now = datetime.now()
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resolution = self.resolve(now)
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if not resolution.enabled:
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raise RuntimeError(
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"Schedule is disabled"
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)
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if resolution.current is None:
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raise RuntimeError(
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"Current schedule point not found"
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)
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if resolution.next is None:
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raise RuntimeError(
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"Next schedule point not found"
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)
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# Если старый override уже закончился,
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# перед созданием нового очищаем его.
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if ( self._override_until is not None
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and now >= self._override_until
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):
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self._clear_override()
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# Добавляем новые ручные параметры
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# к уже существующему override.
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self._override_settings = ( self._override_settings.merged(settings) )
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# Override действует строго до
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# следующей точки расписания.
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self._override_until = resolution.next.when
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# Считаем его неприменённым,
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# пока команда реально не прошла.
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self._override_pending = True
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try:
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await self._apply_settings(settings)
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except Exception as exc:
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self._last_error = (
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f"{type(exc).__name__}: {exc}"
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)
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# Override остаётся сохранённым.
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# Фоновый цикл попробует ещё раз.
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raise
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else:
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self._override_pending = False
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self._last_error = None
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def _clear_override(self) -> None:
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self._override_settings = ScheduledSettings()
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self._override_until = None
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self._override_pending = False
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def resolve(
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self,
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now: datetime | None = None,
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) -> ScheduleResolution:
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"""
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Определить:
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- текущую точку;
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- следующую точку;
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- накопленные SET-настройки;
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- активен ли сейчас AUTO.
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"""
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if now is None:
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now = datetime.now()
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if not self._config.enabled:
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return ScheduleResolution(
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enabled=False,
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current=None,
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next=None,
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scheduled_settings=ScheduledSettings(),
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auto_active=False,
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)
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# Недели назад достаточно,
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# поскольку расписание повторяется каждые 7 дней.
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start_date = (
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now.date()
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- timedelta(days=7)
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)
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end_date = (
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now.date()
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+ timedelta(days=7)
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)
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occurrences = self._build_occurrences(
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start_date,
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end_date,
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)
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current = None
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next_point = None
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for occurrence in occurrences:
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if occurrence.when <= now:
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current = occurrence
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continue
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next_point = occurrence
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break
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if current is None:
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raise RuntimeError(
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"Could not determine current "
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"schedule point"
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)
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scheduled_settings = (
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self._calculate_settings(
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occurrences,
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current,
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)
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)
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auto_active = (
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current.point.action.type
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== ScheduleActionType.AUTO
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)
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auto_fallback_speed = None
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if auto_active:
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auto_fallback_speed = (
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current.point.action.settings.speed
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)
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return ScheduleResolution(
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enabled=True,
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current=current,
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next=next_point,
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scheduled_settings=scheduled_settings,
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auto_active=auto_active,
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auto_fallback_speed=auto_fallback_speed,
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)
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def _build_occurrences(
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self,
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start_date: date,
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end_date: date,
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) -> list[ScheduleOccurrence]:
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result: list[ScheduleOccurrence] = []
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current_date = start_date
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while current_date <= end_date:
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weekday = WEEKDAYS[
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current_date.weekday()
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]
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template_name = (
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self._config.days[weekday]
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)
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template = (
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self._config.templates[
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template_name
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]
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)
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for point in template:
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when = datetime.combine(
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current_date,
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point.at,
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)
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result.append(
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ScheduleOccurrence(
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when=when,
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weekday=weekday,
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template=template_name,
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point=point,
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)
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)
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current_date += timedelta(days=1)
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result.sort(
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key=lambda occurrence:
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occurrence.when
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)
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return result
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def _calculate_settings(
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self,
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occurrences: list[
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ScheduleOccurrence
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],
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current: ScheduleOccurrence,
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) -> ScheduledSettings:
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"""
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Восстановить последние SET-значения
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каждого параметра расписания.
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"""
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settings = ScheduledSettings()
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for occurrence in occurrences:
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if occurrence.when > current.when:
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break
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action = occurrence.point.action
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if (
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action.type
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!= ScheduleActionType.SET
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):
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continue
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settings = settings.merged(
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action.settings
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)
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return settings
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async def start(self) -> None:
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if self._running:
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return
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if self._tion is None:
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raise RuntimeError("TionService is required to start schedule")
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self._running = True
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# При запуске сразу приводим Tion
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# к текущему состоянию расписания.
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try:
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await self._process()
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except Exception as exc:
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self._last_error = f"{type(exc).__name__}: {exc}"
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self._task = asyncio.create_task(self._loop())
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async def stop(self) -> None:
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if not self._running:
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return
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self._running = False
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if self._task is not None:
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self._task.cancel()
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try:
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await self._task
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except asyncio.CancelledError:
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pass
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self._task = None
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async def _loop(self) -> None:
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while self._running:
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await asyncio.sleep(
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self._check_interval
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)
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try:
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await self._process()
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except Exception as exc:
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self._last_error = f"{type(exc).__name__}: {exc}"
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# async def _process(self, *, initial: bool = False) -> None:
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#
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# resolution = self.resolve()
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#
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# if not resolution.enabled:
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# return
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#
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# current = resolution.current
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#
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# if current is None:
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# return
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#
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# # Эта точка уже применена.
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# if (
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# not initial
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# and self._last_applied_when == current.when
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# ):
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# return
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#
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# # AUTO пока только распознаём.
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# # Сам AutoController подключим позже.
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# if (
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# current.point.action.type
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# == ScheduleActionType.AUTO
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# ):
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# self._last_applied_when = current.when
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# return
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#
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# settings = resolution.scheduled_settings
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#
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# await self._apply_settings(settings)
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#
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# self._last_applied_when = current.when
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async def _process(self) -> None:
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now = datetime.now()
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resolution = self.resolve(now)
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if not resolution.enabled:
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return
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current = resolution.current
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if current is None:
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return
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# --------------------------------------------------
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# 1. Проверяем окончание temporary override
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# --------------------------------------------------
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if (
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self._override_until is not None
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and now >= self._override_until
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):
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self._clear_override()
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# --------------------------------------------------
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# 2. Пока override действует,
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# расписание Tion не трогает
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# --------------------------------------------------
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if self.override_active:
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# Если override ранее не удалось применить,
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# пробуем снова.
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if self._override_pending:
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await self._apply_settings(self._override_settings)
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self._override_pending = False
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self._last_error = None
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return
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# --------------------------------------------------
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# 3. Если текущая точка уже успешно применена,
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# ничего не делаем
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# --------------------------------------------------
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if self._last_applied_when == current.when:
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return
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# --------------------------------------------------
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# 4. Применяем состояние расписания
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# --------------------------------------------------
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settings = resolution.scheduled_settings
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if resolution.auto_active:
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# В режиме AUTO скорость принадлежит
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# AutoController.
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#
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# Остальные параметры расписания
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# (power, heater, temperature, mode...)
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# должны продолжать работать.
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settings = replace(settings, speed=None)
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await self._apply_settings(settings)
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# Ставим только ПОСЛЕ успешного применения.
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self._last_applied_when = current.when
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self._last_error = None
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async def _apply_settings(self, settings: ScheduledSettings) -> None:
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if self._tion is None:
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return
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# Если нужно включить Tion —
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# сначала включаем.
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if settings.power is True:
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await self._tion.execute(
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lambda tion: tion.power_on()
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)
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if settings.mode is not None:
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await self._tion.execute(
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lambda tion:
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tion.set_air_mode(settings.mode)
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)
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if settings.target_temp is not None:
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await self._tion.execute(
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lambda tion:
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tion.set_target_temperature(
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settings.target_temp
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)
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)
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if settings.heater is not None:
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if settings.heater:
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await self._tion.execute(
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lambda tion: tion.heater_on()
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)
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else:
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await self._tion.execute(
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lambda tion: tion.heater_off()
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)
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if settings.speed is not None:
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await self._tion.execute(
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lambda tion:
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tion.set_speed(settings.speed)
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)
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if settings.sound is not None:
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if settings.sound:
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await self._tion.execute(
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lambda tion: tion.sound_on()
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)
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else:
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await self._tion.execute(
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lambda tion: tion.sound_off()
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)
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if settings.light is not None:
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if settings.light:
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await self._tion.execute(
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lambda tion: tion.light_on()
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)
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else:
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await self._tion.execute(
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lambda tion: tion.light_off()
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)
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# Если нужно выключить —
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# выключаем последним.
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if settings.power is False:
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await self._tion.execute(
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lambda tion: tion.power_off()
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) |