core/homeassistant/components/bloomsky/sensor.py

112 lines
3.2 KiB
Python

"""Support the sensor of a BloomSky weather station."""
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA,
SensorDeviceClass,
SensorEntity,
)
from homeassistant.const import (
AREA_SQUARE_METERS,
CONF_MONITORED_CONDITIONS,
ELECTRIC_POTENTIAL_MILLIVOLT,
PERCENTAGE,
PRESSURE_INHG,
PRESSURE_MBAR,
TEMP_CELSIUS,
TEMP_FAHRENHEIT,
)
import homeassistant.helpers.config_validation as cv
from . import DOMAIN
# These are the available sensors
SENSOR_TYPES = [
"Temperature",
"Humidity",
"Pressure",
"Luminance",
"UVIndex",
"Voltage",
]
# Sensor units - these do not currently align with the API documentation
SENSOR_UNITS_IMPERIAL = {
"Temperature": TEMP_FAHRENHEIT,
"Humidity": PERCENTAGE,
"Pressure": PRESSURE_INHG,
"Luminance": f"cd/{AREA_SQUARE_METERS}",
"Voltage": ELECTRIC_POTENTIAL_MILLIVOLT,
}
# Metric units
SENSOR_UNITS_METRIC = {
"Temperature": TEMP_CELSIUS,
"Humidity": PERCENTAGE,
"Pressure": PRESSURE_MBAR,
"Luminance": f"cd/{AREA_SQUARE_METERS}",
"Voltage": ELECTRIC_POTENTIAL_MILLIVOLT,
}
# Device class
SENSOR_DEVICE_CLASS = {
"Temperature": SensorDeviceClass.TEMPERATURE,
}
# Which sensors to format numerically
FORMAT_NUMBERS = ["Temperature", "Pressure", "Voltage"]
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_MONITORED_CONDITIONS, default=SENSOR_TYPES): vol.All(
cv.ensure_list, [vol.In(SENSOR_TYPES)]
)
}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the available BloomSky weather sensors."""
# Default needed in case of discovery
if discovery_info is not None:
return
sensors = config[CONF_MONITORED_CONDITIONS]
bloomsky = hass.data[DOMAIN]
for device in bloomsky.devices.values():
for variable in sensors:
add_entities([BloomSkySensor(bloomsky, device, variable)], True)
class BloomSkySensor(SensorEntity):
"""Representation of a single sensor in a BloomSky device."""
def __init__(self, bs, device, sensor_name): # pylint: disable=invalid-name
"""Initialize a BloomSky sensor."""
self._bloomsky = bs
self._device_id = device["DeviceID"]
self._sensor_name = sensor_name
self._attr_name = f"{device['DeviceName']} {sensor_name}"
self._attr_unique_id = f"{self._device_id}-{sensor_name}"
self._attr_native_unit_of_measurement = SENSOR_UNITS_IMPERIAL.get(
sensor_name, None
)
if self._bloomsky.is_metric:
self._attr_native_unit_of_measurement = SENSOR_UNITS_METRIC.get(
sensor_name, None
)
@property
def device_class(self):
"""Return the class of this device, from component DEVICE_CLASSES."""
return SENSOR_DEVICE_CLASS.get(self._sensor_name)
def update(self):
"""Request an update from the BloomSky API."""
self._bloomsky.refresh_devices()
state = self._bloomsky.devices[self._device_id]["Data"][self._sensor_name]
self._attr_native_value = (
f"{state:.2f}" if self._sensor_name in FORMAT_NUMBERS else state
)