mirror of
https://github.com/home-assistant/core.git
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84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
"""Coordinator for Home Assistant Backup integration."""
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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 datetime import datetime
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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.helpers.backup import (
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async_subscribe_events,
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async_subscribe_platform_events,
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)
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
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from .const import DOMAIN, LOGGER
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from .manager import (
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BackupManager,
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BackupManagerState,
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BackupPlatformEvent,
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ManagerStateEvent,
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)
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type BackupConfigEntry = ConfigEntry[BackupDataUpdateCoordinator]
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@dataclass
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class BackupCoordinatorData:
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"""Class to hold backup data."""
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backup_manager_state: BackupManagerState
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last_attempted_automatic_backup: datetime | None
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last_successful_automatic_backup: datetime | None
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next_scheduled_automatic_backup: datetime | None
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class BackupDataUpdateCoordinator(DataUpdateCoordinator[BackupCoordinatorData]):
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"""Class to retrieve backup status."""
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config_entry: ConfigEntry
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def __init__(
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self,
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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backup_manager: BackupManager,
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) -> None:
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"""Initialize coordinator."""
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super().__init__(
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hass,
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LOGGER,
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config_entry=config_entry,
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name=DOMAIN,
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update_interval=None,
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)
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self.unsubscribe: list[Callable[[], None]] = [
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async_subscribe_events(hass, self._on_event),
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async_subscribe_platform_events(hass, self._on_event),
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]
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self.backup_manager = backup_manager
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@callback
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def _on_event(self, event: ManagerStateEvent | BackupPlatformEvent) -> None:
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"""Handle new event."""
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LOGGER.debug("Received backup event: %s", event)
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self.config_entry.async_create_task(self.hass, self.async_refresh())
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async def _async_update_data(self) -> BackupCoordinatorData:
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"""Update backup manager data."""
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return BackupCoordinatorData(
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self.backup_manager.state,
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self.backup_manager.config.data.last_attempted_automatic_backup,
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self.backup_manager.config.data.last_completed_automatic_backup,
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self.backup_manager.config.data.schedule.next_automatic_backup,
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)
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@callback
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def async_unsubscribe(self) -> None:
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"""Unsubscribe from events."""
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for unsub in self.unsubscribe:
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unsub()
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