132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
"""
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Support for Rflink sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/light.rflink/
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"""
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import asyncio
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from functools import partial
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import logging
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from homeassistant.components.rflink import (
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CONF_ALIASES, CONF_ALIASSES, CONF_AUTOMATIC_ADD, CONF_DEVICES,
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DATA_DEVICE_REGISTER, DATA_ENTITY_LOOKUP, DOMAIN, EVENT_KEY_ID,
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EVENT_KEY_SENSOR, EVENT_KEY_UNIT, RflinkDevice, cv, remove_deprecated, vol)
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from homeassistant.const import (
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ATTR_UNIT_OF_MEASUREMENT, CONF_NAME, CONF_PLATFORM,
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CONF_UNIT_OF_MEASUREMENT)
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DEPENDENCIES = ['rflink']
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_LOGGER = logging.getLogger(__name__)
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SENSOR_ICONS = {
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'humidity': 'mdi:water-percent',
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'battery': 'mdi:battery',
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'temperature': 'mdi:thermometer',
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}
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CONF_SENSOR_TYPE = 'sensor_type'
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PLATFORM_SCHEMA = vol.Schema({
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vol.Required(CONF_PLATFORM): DOMAIN,
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vol.Optional(CONF_AUTOMATIC_ADD, default=True): cv.boolean,
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vol.Optional(CONF_DEVICES, default={}): vol.Schema({
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cv.string: {
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vol.Optional(CONF_NAME): cv.string,
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vol.Required(CONF_SENSOR_TYPE): cv.string,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_ALIASES, default=[]):
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vol.All(cv.ensure_list, [cv.string]),
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# deprecated config options
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vol.Optional(CONF_ALIASSES):
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vol.All(cv.ensure_list, [cv.string]),
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},
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}),
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})
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def lookup_unit_for_sensor_type(sensor_type):
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"""Get unit for sensor type.
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Async friendly.
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"""
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from rflink.parser import UNITS, PACKET_FIELDS
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field_abbrev = {v: k for k, v in PACKET_FIELDS.items()}
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return UNITS.get(field_abbrev.get(sensor_type))
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def devices_from_config(domain_config, hass=None):
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"""Parse configuration and add Rflink sensor devices."""
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devices = []
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for device_id, config in domain_config[CONF_DEVICES].items():
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if ATTR_UNIT_OF_MEASUREMENT not in config:
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config[ATTR_UNIT_OF_MEASUREMENT] = lookup_unit_for_sensor_type(
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config[CONF_SENSOR_TYPE])
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remove_deprecated(config)
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device = RflinkSensor(device_id, hass, **config)
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devices.append(device)
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# Register entity to listen to incoming rflink events
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hass.data[DATA_ENTITY_LOOKUP][
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EVENT_KEY_SENSOR][device_id].append(device)
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return devices
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
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"""Set up the Rflink platform."""
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async_add_devices(devices_from_config(config, hass))
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@asyncio.coroutine
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def add_new_device(event):
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"""Check if device is known, otherwise create device entity."""
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device_id = event[EVENT_KEY_ID]
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rflinksensor = partial(RflinkSensor, device_id, hass)
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device = rflinksensor(event[EVENT_KEY_SENSOR], event[EVENT_KEY_UNIT])
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# Add device entity
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async_add_devices([device])
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# Register entity to listen to incoming rflink events
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hass.data[DATA_ENTITY_LOOKUP][
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EVENT_KEY_SENSOR][device_id].append(device)
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# Schedule task to process event after entity is created
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hass.async_add_job(device.handle_event, event)
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if config[CONF_AUTOMATIC_ADD]:
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hass.data[DATA_DEVICE_REGISTER][EVENT_KEY_SENSOR] = add_new_device
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class RflinkSensor(RflinkDevice):
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"""Representation of a Rflink sensor."""
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def __init__(self, device_id, hass, sensor_type, unit_of_measurement,
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**kwargs):
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"""Handle sensor specific args and super init."""
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self._sensor_type = sensor_type
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self._unit_of_measurement = unit_of_measurement
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super().__init__(device_id, hass, **kwargs)
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def _handle_event(self, event):
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"""Domain specific event handler."""
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self._state = event['value']
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@property
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def unit_of_measurement(self):
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"""Return measurement unit."""
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return self._unit_of_measurement
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@property
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def state(self):
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"""Return value."""
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return self._state
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@property
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def icon(self):
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"""Return possible sensor specific icon."""
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if self._sensor_type in SENSOR_ICONS:
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return SENSOR_ICONS[self._sensor_type]
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