mirror of https://github.com/home-assistant/core
90 lines
2.4 KiB
Python
90 lines
2.4 KiB
Python
"""Platform for sensor integration."""
|
|
|
|
from __future__ import annotations
|
|
|
|
from datetime import timedelta
|
|
import logging
|
|
|
|
from oru import Meter, MeterError
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components.sensor import (
|
|
PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
|
|
SensorDeviceClass,
|
|
SensorEntity,
|
|
)
|
|
from homeassistant.const import UnitOfEnergy
|
|
from homeassistant.core import HomeAssistant
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.entity_platform import AddEntitiesCallback
|
|
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
CONF_METER_NUMBER = "meter_number"
|
|
|
|
SCAN_INTERVAL = timedelta(minutes=15)
|
|
|
|
PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
|
|
{vol.Required(CONF_METER_NUMBER): cv.string}
|
|
)
|
|
|
|
|
|
def setup_platform(
|
|
hass: HomeAssistant,
|
|
config: ConfigType,
|
|
add_entities: AddEntitiesCallback,
|
|
discovery_info: DiscoveryInfoType | None = None,
|
|
) -> None:
|
|
"""Set up the sensor platform."""
|
|
|
|
meter_number = config[CONF_METER_NUMBER]
|
|
|
|
try:
|
|
meter = Meter(meter_number)
|
|
|
|
except MeterError:
|
|
_LOGGER.error("Unable to create Oru meter")
|
|
return
|
|
|
|
add_entities([CurrentEnergyUsageSensor(meter)], True)
|
|
|
|
_LOGGER.debug("Oru meter_number = %s", meter_number)
|
|
|
|
|
|
class CurrentEnergyUsageSensor(SensorEntity):
|
|
"""Representation of the sensor."""
|
|
|
|
_attr_device_class = SensorDeviceClass.ENERGY
|
|
_attr_name = "ORU Current Energy Usage"
|
|
_attr_native_unit_of_measurement = UnitOfEnergy.KILO_WATT_HOUR
|
|
|
|
def __init__(self, meter):
|
|
"""Initialize the sensor."""
|
|
self._available = None
|
|
self.meter = meter
|
|
|
|
@property
|
|
def unique_id(self):
|
|
"""Return a unique, Home Assistant friendly identifier for this entity."""
|
|
return self.meter.meter_id
|
|
|
|
def update(self) -> None:
|
|
"""Fetch new state data for the sensor."""
|
|
try:
|
|
last_read = self.meter.last_read()
|
|
|
|
self._attr_native_value = last_read
|
|
self._available = True
|
|
|
|
_LOGGER.debug(
|
|
"%s = %s %s",
|
|
self.name,
|
|
self.native_value,
|
|
self.native_unit_of_measurement,
|
|
)
|
|
except MeterError as err:
|
|
self._available = False
|
|
|
|
_LOGGER.error("Unexpected oru meter error: %s", err)
|