core/homeassistant/components/bloomsky/sensor.py

93 lines
2.8 KiB
Python

"""Support the sensor of a BloomSky weather station."""
import logging
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (TEMP_FAHRENHEIT, CONF_MONITORED_CONDITIONS)
from homeassistant.helpers.entity import Entity
import homeassistant.helpers.config_validation as cv
from . import BLOOMSKY
LOGGER = logging.getLogger(__name__)
# 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 = {'Temperature': TEMP_FAHRENHEIT,
'Humidity': '%',
'Pressure': 'inHg',
'Luminance': 'cd/m²',
'Voltage': 'mV'}
# 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
sensors = config.get(CONF_MONITORED_CONDITIONS, SENSOR_TYPES)
for device in BLOOMSKY.devices.values():
for variable in sensors:
add_entities(
[BloomSkySensor(BLOOMSKY, device, variable)], True)
class BloomSkySensor(Entity):
"""Representation of 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._state = None
self._unique_id = '{}-{}'.format(self._device_id, self._sensor_name)
@property
def unique_id(self):
"""Return a unique ID."""
return self._unique_id
@property
def name(self):
"""Return the name of the BloomSky device and this sensor."""
return self._name
@property
def state(self):
"""Return the current state, eg. 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