core/homeassistant/components/sensor/vera.py

107 lines
3.7 KiB
Python

"""
Support for Vera sensors.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.vera/
"""
import logging
import homeassistant.util.dt as dt_util
from homeassistant.const import (
ATTR_ARMED, ATTR_BATTERY_LEVEL, ATTR_LAST_TRIP_TIME, ATTR_TRIPPED,
TEMP_CELCIUS, TEMP_FAHRENHEIT)
from homeassistant.helpers.entity import Entity
from homeassistant.components.vera import (
VeraDevice, VERA_DEVICES, VERA_CONTROLLER)
DEPENDENCIES = ['vera']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
"""Perform the setup for Vera controller devices."""
add_devices_callback(
VeraSensor(device, VERA_CONTROLLER)
for device in VERA_DEVICES['sensor'])
class VeraSensor(VeraDevice, Entity):
"""Representation of a Vera Sensor."""
def __init__(self, vera_device, controller):
"""Initialize the sensor."""
self.current_value = None
self._temperature_units = None
VeraDevice.__init__(self, vera_device, controller)
@property
def state(self):
"""Return the name of the sensor."""
return self.current_value
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
if self.vera_device.category == "Temperature Sensor":
return self._temperature_units
elif self.vera_device.category == "Light Sensor":
return 'lux'
elif self.vera_device.category == "Humidity Sensor":
return '%'
@property
def device_state_attributes(self):
"""Return the state attributes."""
attr = {}
if self.vera_device.has_battery:
attr[ATTR_BATTERY_LEVEL] = self.vera_device.battery_level + '%'
if self.vera_device.is_armable:
armed = self.vera_device.is_armed
attr[ATTR_ARMED] = 'True' if armed else 'False'
if self.vera_device.is_trippable:
last_tripped = self.vera_device.last_trip
if last_tripped is not None:
utc_time = dt_util.utc_from_timestamp(int(last_tripped))
attr[ATTR_LAST_TRIP_TIME] = dt_util.datetime_to_str(
utc_time)
else:
attr[ATTR_LAST_TRIP_TIME] = None
tripped = self.vera_device.is_tripped
attr[ATTR_TRIPPED] = 'True' if tripped else 'False'
attr['Vera Device Id'] = self.vera_device.vera_device_id
return attr
def update(self):
"""Update the state."""
if self.vera_device.category == "Temperature Sensor":
current_temp = self.vera_device.temperature
vera_temp_units = (
self.vera_device.vera_controller.temperature_units)
if vera_temp_units == 'F':
self._temperature_units = TEMP_FAHRENHEIT
else:
self._temperature_units = TEMP_CELCIUS
if self.hass:
temp = self.hass.config.temperature(
current_temp,
self._temperature_units)
current_temp, self._temperature_units = temp
self.current_value = current_temp
elif self.vera_device.category == "Light Sensor":
self.current_value = self.vera_device.light
elif self.vera_device.category == "Humidity Sensor":
self.current_value = self.vera_device.humidity
elif self.vera_device.category == "Sensor":
tripped = self.vera_device.is_tripped
self.current_value = 'Tripped' if tripped else 'Not Tripped'
else:
self.current_value = 'Unknown'