core/homeassistant/components/emonitor/sensor.py

109 lines
3.5 KiB
Python

"""Support for a Emonitor channel sensor."""
from aioemonitor.monitor import EmonitorChannel
from homeassistant.components.sensor import DEVICE_CLASS_POWER, SensorEntity
from homeassistant.const import POWER_WATT
from homeassistant.helpers import device_registry as dr
from homeassistant.helpers.typing import StateType
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from . import name_short_mac
from .const import DOMAIN
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up entry."""
coordinator = hass.data[DOMAIN][config_entry.entry_id]
channels = coordinator.data.channels
entities = []
seen_channels = set()
for channel_number, channel in channels.items():
seen_channels.add(channel_number)
if not channel.active:
continue
if channel.paired_with_channel in seen_channels:
continue
entities.append(EmonitorPowerSensor(coordinator, channel_number))
async_add_entities(entities)
class EmonitorPowerSensor(CoordinatorEntity, SensorEntity):
"""Representation of an Emonitor power sensor entity."""
def __init__(self, coordinator: DataUpdateCoordinator, channel_number: int):
"""Initialize the channel sensor."""
self.channel_number = channel_number
super().__init__(coordinator)
@property
def unique_id(self) -> str:
"""Channel unique id."""
return f"{self.mac_address}_{self.channel_number}"
@property
def channel_data(self) -> EmonitorChannel:
"""Channel data."""
return self.coordinator.data.channels[self.channel_number]
@property
def paired_channel_data(self) -> EmonitorChannel:
"""Channel data."""
return self.coordinator.data.channels[self.channel_data.paired_with_channel]
@property
def name(self) -> str:
"""Name of the sensor."""
return self.channel_data.label
@property
def unit_of_measurement(self) -> str:
"""Return the unit of measurement."""
return POWER_WATT
@property
def device_class(self) -> str:
"""Device class of the sensor."""
return DEVICE_CLASS_POWER
def _paired_attr(self, attr_name: str) -> float:
"""Cumulative attributes for channel and paired channel."""
attr_val = getattr(self.channel_data, attr_name)
if self.channel_data.paired_with_channel:
attr_val += getattr(self.paired_channel_data, attr_name)
return attr_val
@property
def state(self) -> StateType:
"""State of the sensor."""
return self._paired_attr("inst_power")
@property
def extra_state_attributes(self) -> dict:
"""Return the device specific state attributes."""
return {
"channel": self.channel_number,
"avg_power": self._paired_attr("avg_power"),
"max_power": self._paired_attr("max_power"),
}
@property
def mac_address(self) -> str:
"""Return the mac address of the device."""
return self.coordinator.data.network.mac_address
@property
def device_info(self) -> dict:
"""Return info about the emonitor device."""
return {
"name": name_short_mac(self.mac_address[-6:]),
"connections": {(dr.CONNECTION_NETWORK_MAC, self.mac_address)},
"manufacturer": "Powerhouse Dynamics, Inc.",
"sw_version": self.coordinator.data.hardware.firmware_version,
}