core/homeassistant/components/nut/sensor.py

126 lines
3.7 KiB
Python

"""Provides a sensor to track various status aspects of a UPS."""
from __future__ import annotations
import logging
from homeassistant.components.nut import PyNUTData
from homeassistant.components.sensor import SensorEntity, SensorEntityDescription
from homeassistant.const import CONF_RESOURCES, STATE_UNKNOWN
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from .const import (
COORDINATOR,
DOMAIN,
KEY_STATUS,
KEY_STATUS_DISPLAY,
PYNUT_DATA,
PYNUT_FIRMWARE,
PYNUT_MANUFACTURER,
PYNUT_MODEL,
PYNUT_UNIQUE_ID,
SENSOR_TYPES,
STATE_TYPES,
)
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up the NUT sensors."""
pynut_data = hass.data[DOMAIN][config_entry.entry_id]
unique_id = pynut_data[PYNUT_UNIQUE_ID]
manufacturer = pynut_data[PYNUT_MANUFACTURER]
model = pynut_data[PYNUT_MODEL]
firmware = pynut_data[PYNUT_FIRMWARE]
coordinator = pynut_data[COORDINATOR]
data = pynut_data[PYNUT_DATA]
status = coordinator.data
enabled_resources = [
resource.lower() for resource in config_entry.data[CONF_RESOURCES]
]
resources = [sensor_id for sensor_id in SENSOR_TYPES if sensor_id in status]
# Display status is a special case that falls back to the status value
# of the UPS instead.
if KEY_STATUS in resources:
resources.append(KEY_STATUS_DISPLAY)
entities = [
NUTSensor(
coordinator,
data,
SENSOR_TYPES[sensor_type],
unique_id,
manufacturer,
model,
firmware,
sensor_type in enabled_resources,
)
for sensor_type in resources
]
async_add_entities(entities, True)
class NUTSensor(CoordinatorEntity, SensorEntity):
"""Representation of a sensor entity for NUT status values."""
def __init__(
self,
coordinator: DataUpdateCoordinator,
data: PyNUTData,
sensor_description: SensorEntityDescription,
unique_id: str,
manufacturer: str | None,
model: str | None,
firmware: str | None,
enabled_default: bool,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self.entity_description = sensor_description
self._manufacturer = manufacturer
self._firmware = firmware
self._model = model
self._device_name = data.name.title()
self._unique_id = unique_id
self._attr_entity_registry_enabled_default = enabled_default
self._attr_name = f"{self._device_name} {sensor_description.name}"
self._attr_unique_id = f"{unique_id}_{sensor_description.key}"
@property
def device_info(self):
"""Device info for the ups."""
device_info = {
"identifiers": {(DOMAIN, self._unique_id)},
"name": self._device_name,
}
if self._model:
device_info["model"] = self._model
if self._manufacturer:
device_info["manufacturer"] = self._manufacturer
if self._firmware:
device_info["sw_version"] = self._firmware
return device_info
@property
def native_value(self):
"""Return entity state from ups."""
status = self.coordinator.data
if self.entity_description.key == KEY_STATUS_DISPLAY:
return _format_display_state(status)
return status.get(self.entity_description.key)
def _format_display_state(status):
"""Return UPS display state."""
try:
return " ".join(STATE_TYPES[state] for state in status[KEY_STATUS].split())
except KeyError:
return STATE_UNKNOWN