core/homeassistant/components/iammeter/sensor.py

121 lines
3.6 KiB
Python

"""Support for iammeter via local API."""
from __future__ import annotations
import asyncio
from datetime import timedelta
import logging
from iammeter import real_time_api
from iammeter.power_meter import IamMeterError
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import PlatformNotReady
from homeassistant.helpers import debounce
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
UpdateFailed,
)
_LOGGER = logging.getLogger(__name__)
DEFAULT_PORT = 80
DEFAULT_DEVICE_NAME = "IamMeter"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_DEVICE_NAME): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
}
)
SCAN_INTERVAL = timedelta(seconds=30)
PLATFORM_TIMEOUT = 8
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Platform setup."""
config_host = config[CONF_HOST]
config_port = config[CONF_PORT]
config_name = config[CONF_NAME]
try:
async with asyncio.timeout(PLATFORM_TIMEOUT):
api = await real_time_api(config_host, config_port)
except (IamMeterError, asyncio.TimeoutError) as err:
_LOGGER.error("Device is not ready")
raise PlatformNotReady from err
async def async_update_data():
try:
async with asyncio.timeout(PLATFORM_TIMEOUT):
return await api.get_data()
except (IamMeterError, asyncio.TimeoutError) as err:
raise UpdateFailed from err
coordinator = DataUpdateCoordinator(
hass,
_LOGGER,
name=DEFAULT_DEVICE_NAME,
update_method=async_update_data,
update_interval=SCAN_INTERVAL,
request_refresh_debouncer=debounce.Debouncer(
hass, _LOGGER, cooldown=0.3, immediate=True
),
)
await coordinator.async_refresh()
entities = []
for sensor_name, (row, idx, unit) in api.iammeter.sensor_map().items():
serial_number = api.iammeter.serial_number
uid = f"{serial_number}-{row}-{idx}"
entities.append(IamMeter(coordinator, uid, sensor_name, unit, config_name))
async_add_entities(entities)
class IamMeter(CoordinatorEntity, SensorEntity):
"""Class for a sensor."""
def __init__(self, coordinator, uid, sensor_name, unit, dev_name):
"""Initialize an iammeter sensor."""
super().__init__(coordinator)
self.uid = uid
self.sensor_name = sensor_name
self.unit = unit
self.dev_name = dev_name
@property
def native_value(self):
"""Return the state of the sensor."""
return self.coordinator.data.data[self.sensor_name]
@property
def unique_id(self):
"""Return unique id."""
return self.uid
@property
def name(self):
"""Name of this iammeter attribute."""
return f"{self.dev_name} {self.sensor_name}"
@property
def icon(self):
"""Icon for each sensor."""
return "mdi:flash"
@property
def native_unit_of_measurement(self):
"""Return the unit of measurement."""
return self.unit