91 lines
2.3 KiB
Python
91 lines
2.3 KiB
Python
"""Platform for sensor integration."""
|
|
from datetime import timedelta
|
|
import logging
|
|
|
|
from oru import Meter, MeterError
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components.sensor import PLATFORM_SCHEMA
|
|
from homeassistant.const import ENERGY_KILO_WATT_HOUR
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.entity import Entity
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
CONF_METER_NUMBER = "meter_number"
|
|
|
|
SCAN_INTERVAL = timedelta(minutes=15)
|
|
|
|
SENSOR_NAME = "ORU Current Energy Usage"
|
|
SENSOR_ICON = "mdi:counter"
|
|
|
|
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_METER_NUMBER): cv.string})
|
|
|
|
|
|
def setup_platform(hass, config, add_entities, discovery_info=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(Entity):
|
|
"""Representation of the sensor."""
|
|
|
|
def __init__(self, meter):
|
|
"""Initialize the sensor."""
|
|
self._state = None
|
|
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
|
|
|
|
@property
|
|
def name(self):
|
|
"""Return the name of the sensor."""
|
|
return SENSOR_NAME
|
|
|
|
@property
|
|
def icon(self):
|
|
"""Return the icon of the sensor."""
|
|
return SENSOR_ICON
|
|
|
|
@property
|
|
def state(self):
|
|
"""Return the state of the sensor."""
|
|
return self._state
|
|
|
|
@property
|
|
def unit_of_measurement(self):
|
|
"""Return the unit of measurement."""
|
|
return ENERGY_KILO_WATT_HOUR
|
|
|
|
def update(self):
|
|
"""Fetch new state data for the sensor."""
|
|
try:
|
|
last_read = self.meter.last_read()
|
|
|
|
self._state = last_read
|
|
self._available = True
|
|
|
|
_LOGGER.debug(
|
|
"%s = %s %s", self.name, self._state, self.unit_of_measurement
|
|
)
|
|
except MeterError as err:
|
|
self._available = False
|
|
|
|
_LOGGER.error("Unexpected oru meter error: %s", err)
|