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15/10/2022 1:35 пп
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Как сохранить состояние при перезапуске home assistant или отключении питания.
Небольшой компонент persistence.py позволяет сохранить состояния любого объекта (sensor, input_text, input_boolean и т.д.)
Спойлер
persistence.py
""" Allow Home Assistant to save the state of an entity and restore that state after power loss or home assistant restart For more details about this platform, please refer to the documentation at https://github.com/gazoscalvertos/HASS-persistence """ import asyncio import logging import json import os import pytz import time from datetime import timedelta import voluptuous as vol import requests from homeassistant.components.sensor import PLATFORM_SCHEMA from homeassistant.const import (EVENT_STATE_CHANGED, EVENT_TIME_CHANGED) from homeassistant.helpers.entity import Entity from homeassistant.helpers.event import async_track_state_change import homeassistant.helpers.config_validation as cv #from homeassistant.util import Throttle #from homeassistant.helpers.event import track_time_interval _LOGGER = logging.getLogger(__name__) #-----------------YAML CONFIG OPTIONS---------------------------------- CONF_ENTITIES = 'entities' CONF_DOMAINS = 'domains' #---------------------------------------------------------------------- ICON = 'mdi:save' PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({ vol.Optional(CONF_ENTITIES): cv.entity_ids, vol.Optional(CONF_DOMAINS): cv.entity_ids, }) @asyncio.coroutine def async_setup_platform(hass, config, async_add_devices, discovery_info=None): """Set up the persistense sensor.""" persistence = PersistenceSensor(hass, config) hass.bus.async_listen(EVENT_TIME_CHANGED, persistence.persistence_load) hass.bus.async_listen(EVENT_STATE_CHANGED, persistence.state_change_listener) async_add_devices([persistence]) class PersistenceSensor(Entity): """Implementation of the sensor.""" def __init__(self, hass, config): """Initialize the sensor.""" self._entities = set(config.get(CONF_ENTITIES, [])) self._domains = set(config.get(CONF_DOMAINS, [])) self._hass = hass self._initialised = False self._persistence_list = {} persistence_path = hass.config.path() if not os.path.isdir(persistence_path): _LOGGER.error("[Persistence] path %s does not exist.", persistence_path) else: self._persistence_final_path = os.path.join(persistence_path, "persistence.json") ### LOAD persistence previously saved def persistence_load(self, event): if self._initialised == False: #Only run this once try: if os.path.isfile(self._persistence_final_path): #Find the persistence JSON file and load. Once found update the entities self._persistence_list = json.load(open(self._persistence_final_path, 'r')) for key,val in self._persistence_list.items(): state_temp = self._hass.states.get(key); ### only set state value self._hass.states.set(key,val,state_temp.attributes) _LOGGER.debug("%s=>%s", key, val) else: #No persistence file found _LOGGER.warning("[Persistence] file doesnt exist") self._persistence_list = json.loads('{}') except Exception as e: _LOGGER.error("[Persistence] Error occured loading: %s", str(e)) self._initialised = True ### UPDATE persistence def persistence_save(self): if self._persistence_list is not None and self._initialised: #Check we have something to save try: with open(self._persistence_final_path, 'w') as fil: fil.write(json.dumps(self._persistence_list, ensure_ascii=False)) except Exception as e: _LOGGER.error("[Persistence] Error occured saving: %s", str(e)) def state_change_listener(self, event): """ Something changed, check to see if our entities changed, if so save the state to file """ if event.data['entity_id'] in self._entities: self._persistence_list[event.data['entity_id']] = event.data.get('new_state', None).state self.persistence_save() @property def name(self): """Return the name of the item.""" return "persistence" @property def icon(self): """Return the icon for the frontend.""" return ICON @property def state(self): """Return a dummy state.""" return "enabled" @property def device_state_attributes(self): """Return the state attributes.""" attrs = { 'entities': self._entities, 'domains': self._domains, } return attrs
Установка
- Файл persistence.py добавить в раздел /.homeassistant/custom_components/sensor/
- В файл конфигурации configuration.yaml добавить код
sensor: - platform: persistence entities: #ADD ALL OF YOUR ENTITIES HERE - input_text.test - input_boolean.test2