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mirror of https://github.com/home-assistant/core synced 2024-09-03 08:14:07 +02:00
ha-core/homeassistant/components/random/binary_sensor.py
2019-12-04 21:13:05 -08:00

63 lines
1.6 KiB
Python

"""Support for showing random states."""
import logging
from random import getrandbits
import voluptuous as vol
from homeassistant.components.binary_sensor import (
DEVICE_CLASSES_SCHEMA,
PLATFORM_SCHEMA,
BinarySensorDevice,
)
from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = "Random Binary Sensor"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
}
)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the Random binary sensor."""
name = config.get(CONF_NAME)
device_class = config.get(CONF_DEVICE_CLASS)
async_add_entities([RandomSensor(name, device_class)], True)
class RandomSensor(BinarySensorDevice):
"""Representation of a Random binary sensor."""
def __init__(self, name, device_class):
"""Initialize the Random binary sensor."""
self._name = name
self._device_class = device_class
self._state = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def is_on(self):
"""Return true if sensor is on."""
return self._state
@property
def device_class(self):
"""Return the sensor class of the sensor."""
return self._device_class
async def async_update(self):
"""Get new state and update the sensor's state."""
self._state = bool(getrandbits(1))