core/homeassistant/components/sensor/bloomsky.py

92 lines
2.8 KiB
Python

"""
Support the sensor of a BloomSky weather station.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/sensor.bloomsky/
"""
import logging
from homeassistant.const import TEMP_FAHRENHEIT
from homeassistant.helpers.entity import Entity
from homeassistant.loader import get_component
DEPENDENCIES = ["bloomsky"]
# These are the available sensors
SENSOR_TYPES = ["Temperature",
"Humidity",
"Pressure",
"Luminance",
"UVIndex"]
# Sensor units - these do not currently align with the API documentation
SENSOR_UNITS = {"Temperature": TEMP_FAHRENHEIT,
"Humidity": "%",
"Pressure": "inHg",
"Luminance": "cd/m²"}
# Which sensors to format numerically
FORMAT_NUMBERS = ["Temperature", "Pressure"]
# pylint: disable=unused-argument
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the available BloomSky weather sensors."""
logger = logging.getLogger(__name__)
bloomsky = get_component('bloomsky')
sensors = config.get('monitored_conditions', SENSOR_TYPES)
for device in bloomsky.BLOOMSKY.devices.values():
for variable in sensors:
if variable in SENSOR_TYPES:
add_devices([BloomSkySensor(bloomsky.BLOOMSKY,
device,
variable)])
else:
logger.error("Cannot find definition for device: %s", variable)
class BloomSkySensor(Entity):
"""Represents a single sensor in a BloomSky device."""
def __init__(self, bs, device, sensor_name):
"""Initialize a bloomsky sensor."""
self._bloomsky = bs
self._device_id = device["DeviceID"]
self._sensor_name = sensor_name
self._name = "{} {}".format(device["DeviceName"], sensor_name)
self._unique_id = "bloomsky_sensor {}".format(self._name)
self.update()
@property
def name(self):
"""The name of the BloomSky device and this sensor."""
return self._name
@property
def unique_id(self):
"""Unique ID for this sensor."""
return self._unique_id
@property
def state(self):
"""The current state (i.e. value) of this sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the sensor units."""
return SENSOR_UNITS.get(self._sensor_name, None)
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]
if self._sensor_name in FORMAT_NUMBERS:
self._state = "{0:.2f}".format(state)
else:
self._state = state