225 lines
7.9 KiB
Python
225 lines
7.9 KiB
Python
"""Support for monitoring emoncms feeds."""
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from __future__ import annotations
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from datetime import timedelta
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import logging
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from typing import Any
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from pyemoncms import EmoncmsClient
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import voluptuous as vol
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from homeassistant.components.sensor import (
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PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
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SensorDeviceClass,
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SensorEntity,
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SensorStateClass,
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)
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from homeassistant.const import (
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CONF_API_KEY,
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CONF_ID,
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CONF_SCAN_INTERVAL,
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CONF_UNIT_OF_MEASUREMENT,
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CONF_URL,
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CONF_VALUE_TEMPLATE,
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STATE_UNKNOWN,
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UnitOfPower,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers import template
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .coordinator import EmoncmsCoordinator
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_LOGGER = logging.getLogger(__name__)
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ATTR_FEEDID = "FeedId"
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ATTR_FEEDNAME = "FeedName"
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ATTR_LASTUPDATETIME = "LastUpdated"
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ATTR_LASTUPDATETIMESTR = "LastUpdatedStr"
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ATTR_SIZE = "Size"
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ATTR_TAG = "Tag"
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ATTR_USERID = "UserId"
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CONF_EXCLUDE_FEEDID = "exclude_feed_id"
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CONF_ONLY_INCLUDE_FEEDID = "include_only_feed_id"
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CONF_SENSOR_NAMES = "sensor_names"
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DECIMALS = 2
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DEFAULT_UNIT = UnitOfPower.WATT
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ONLY_INCL_EXCL_NONE = "only_include_exclude_or_none"
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PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_API_KEY): cv.string,
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vol.Required(CONF_URL): cv.string,
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vol.Required(CONF_ID): cv.positive_int,
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vol.Exclusive(CONF_ONLY_INCLUDE_FEEDID, ONLY_INCL_EXCL_NONE): vol.All(
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cv.ensure_list, [cv.positive_int]
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),
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vol.Exclusive(CONF_EXCLUDE_FEEDID, ONLY_INCL_EXCL_NONE): vol.All(
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cv.ensure_list, [cv.positive_int]
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),
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vol.Optional(CONF_SENSOR_NAMES): vol.All(
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{cv.positive_int: vol.All(cv.string, vol.Length(min=1))}
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),
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT, default=DEFAULT_UNIT): cv.string,
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}
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)
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Emoncms sensor."""
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apikey = config[CONF_API_KEY]
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url = config[CONF_URL]
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sensorid = config[CONF_ID]
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value_template = config.get(CONF_VALUE_TEMPLATE)
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config_unit = config.get(CONF_UNIT_OF_MEASUREMENT)
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exclude_feeds = config.get(CONF_EXCLUDE_FEEDID)
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include_only_feeds = config.get(CONF_ONLY_INCLUDE_FEEDID)
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sensor_names = config.get(CONF_SENSOR_NAMES)
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scan_interval = config.get(CONF_SCAN_INTERVAL, timedelta(seconds=30))
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if value_template is not None:
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value_template.hass = hass
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emoncms_client = EmoncmsClient(url, apikey, session=async_get_clientsession(hass))
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coordinator = EmoncmsCoordinator(hass, emoncms_client, scan_interval)
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await coordinator.async_refresh()
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elems = coordinator.data
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if elems is None:
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return
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sensors: list[EmonCmsSensor] = []
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for idx, elem in enumerate(elems):
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if exclude_feeds is not None and int(elem["id"]) in exclude_feeds:
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continue
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if include_only_feeds is not None and int(elem["id"]) not in include_only_feeds:
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continue
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name = None
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if sensor_names is not None:
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name = sensor_names.get(int(elem["id"]), None)
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if unit := elem.get("unit"):
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unit_of_measurement = unit
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else:
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unit_of_measurement = config_unit
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sensors.append(
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EmonCmsSensor(
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coordinator,
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name,
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value_template,
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unit_of_measurement,
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str(sensorid),
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idx,
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)
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)
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async_add_entities(sensors)
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class EmonCmsSensor(CoordinatorEntity[EmoncmsCoordinator], SensorEntity):
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"""Implementation of an Emoncms sensor."""
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def __init__(
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self,
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coordinator: EmoncmsCoordinator,
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name: str | None,
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value_template: template.Template | None,
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unit_of_measurement: str | None,
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sensorid: str,
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idx: int,
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) -> None:
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"""Initialize the sensor."""
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super().__init__(coordinator)
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self.idx = idx
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elem = {}
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if self.coordinator.data:
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elem = self.coordinator.data[self.idx]
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if name is None:
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# Suppress ID in sensor name if it's 1, since most people won't
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# have more than one EmonCMS source and it's redundant to show the
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# ID if there's only one.
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id_for_name = "" if str(sensorid) == "1" else sensorid
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# Use the feed name assigned in EmonCMS or fall back to the feed ID
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feed_name = elem.get("name", f"Feed {elem.get('id')}")
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self._attr_name = f"EmonCMS{id_for_name} {feed_name}"
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else:
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self._attr_name = name
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self._value_template = value_template
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self._attr_native_unit_of_measurement = unit_of_measurement
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self._sensorid = sensorid
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if unit_of_measurement in ("kWh", "Wh"):
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self._attr_device_class = SensorDeviceClass.ENERGY
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self._attr_state_class = SensorStateClass.TOTAL_INCREASING
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elif unit_of_measurement == "W":
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self._attr_device_class = SensorDeviceClass.POWER
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement == "V":
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self._attr_device_class = SensorDeviceClass.VOLTAGE
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement == "A":
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self._attr_device_class = SensorDeviceClass.CURRENT
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement == "VA":
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self._attr_device_class = SensorDeviceClass.APPARENT_POWER
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement in ("°C", "°F", "K"):
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self._attr_device_class = SensorDeviceClass.TEMPERATURE
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement == "Hz":
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self._attr_device_class = SensorDeviceClass.FREQUENCY
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self._attr_state_class = SensorStateClass.MEASUREMENT
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elif unit_of_measurement == "hPa":
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self._attr_device_class = SensorDeviceClass.PRESSURE
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self._attr_state_class = SensorStateClass.MEASUREMENT
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self._update_attributes(elem)
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def _update_attributes(self, elem: dict[str, Any]) -> None:
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"""Update entity attributes."""
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self._attr_extra_state_attributes = {
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ATTR_FEEDID: elem["id"],
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ATTR_TAG: elem["tag"],
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ATTR_FEEDNAME: elem["name"],
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}
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if elem["value"] is not None:
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self._attr_extra_state_attributes[ATTR_SIZE] = elem["size"]
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self._attr_extra_state_attributes[ATTR_USERID] = elem["userid"]
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self._attr_extra_state_attributes[ATTR_LASTUPDATETIME] = elem["time"]
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self._attr_extra_state_attributes[ATTR_LASTUPDATETIMESTR] = (
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template.timestamp_local(float(elem["time"]))
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)
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self._attr_native_value = None
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if self._value_template is not None:
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self._attr_native_value = (
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self._value_template.render_with_possible_json_value(
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elem["value"], STATE_UNKNOWN
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)
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)
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elif elem["value"] is not None:
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self._attr_native_value = round(float(elem["value"]), DECIMALS)
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Handle updated data from the coordinator."""
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data = self.coordinator.data
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if data:
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self._update_attributes(data[self.idx])
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super()._handle_coordinator_update()
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