mirror of
https://github.com/home-assistant/core.git
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e96e95c32d
* add sensor platform to backup integration * adjust namings, remove system integration flag * add first simple test * apply review comments * fix test * add sensor tests * adjustements to use backup helper * remove obsolet async_get_manager from init * unsubscribe from events on entry unload * add configuration_url * fix doc string * fix sensor tests * mark async_unsubscribe as callback * set integration_type service * extend sensor test * set integration_type on correct integration :) * fix after online conflict resolution * add sensor update tests * simplify the sensor update tests * avoid io during tests * Add comment --------- Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
"""Helpers for the backup integration."""
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from __future__ import annotations
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import asyncio
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from collections.abc import Callable
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from dataclasses import dataclass, field
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from typing import TYPE_CHECKING
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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.util.hass_dict import HassKey
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if TYPE_CHECKING:
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from homeassistant.components.backup import (
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BackupManager,
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BackupPlatformEvent,
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ManagerStateEvent,
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)
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DATA_BACKUP: HassKey[BackupData] = HassKey("backup_data")
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DATA_MANAGER: HassKey[BackupManager] = HassKey("backup")
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@dataclass(slots=True)
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class BackupData:
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"""Backup data stored in hass.data."""
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backup_event_subscriptions: list[Callable[[ManagerStateEvent], None]] = field(
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default_factory=list
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)
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backup_platform_event_subscriptions: list[Callable[[BackupPlatformEvent], None]] = (
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field(default_factory=list)
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)
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manager_ready: asyncio.Future[None] = field(default_factory=asyncio.Future)
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@callback
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def async_initialize_backup(hass: HomeAssistant) -> None:
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"""Initialize backup data.
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This creates the BackupData instance stored in hass.data[DATA_BACKUP] and
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registers the basic backup websocket API which is used by frontend to subscribe
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to backup events.
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"""
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# pylint: disable-next=import-outside-toplevel
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from homeassistant.components.backup import basic_websocket
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hass.data[DATA_BACKUP] = BackupData()
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basic_websocket.async_register_websocket_handlers(hass)
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async def async_get_manager(hass: HomeAssistant) -> BackupManager:
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"""Get the backup manager instance.
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Raises HomeAssistantError if the backup integration is not available.
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"""
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if DATA_BACKUP not in hass.data:
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raise HomeAssistantError("Backup integration is not available")
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await hass.data[DATA_BACKUP].manager_ready
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return hass.data[DATA_MANAGER]
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@callback
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def async_subscribe_events(
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hass: HomeAssistant,
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on_event: Callable[[ManagerStateEvent], None],
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) -> Callable[[], None]:
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"""Subscribe to backup events."""
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backup_event_subscriptions = hass.data[DATA_BACKUP].backup_event_subscriptions
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def remove_subscription() -> None:
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backup_event_subscriptions.remove(on_event)
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backup_event_subscriptions.append(on_event)
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return remove_subscription
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@callback
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def async_subscribe_platform_events(
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hass: HomeAssistant,
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on_event: Callable[[BackupPlatformEvent], None],
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) -> Callable[[], None]:
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"""Subscribe to backup platform events."""
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backup_platform_event_subscriptions = hass.data[
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DATA_BACKUP
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].backup_platform_event_subscriptions
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def remove_subscription() -> None:
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backup_platform_event_subscriptions.remove(on_event)
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backup_platform_event_subscriptions.append(on_event)
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return remove_subscription
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