core/homeassistant/components/random/binary_sensor.py

70 lines
2.1 KiB
Python

"""Support for showing random states."""
from __future__ import annotations
from collections.abc import Mapping
from random import getrandbits
from typing import Any
import voluptuous as vol
from homeassistant.components.binary_sensor import (
DEVICE_CLASSES_SCHEMA,
PLATFORM_SCHEMA as BINARY_SENSOR_PLATFORM_SCHEMA,
BinarySensorEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
DEFAULT_NAME = "Random binary sensor"
PLATFORM_SCHEMA = BINARY_SENSOR_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: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Random binary sensor."""
async_add_entities([RandomBinarySensor(config)], True)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Initialize config entry."""
async_add_entities(
[RandomBinarySensor(config_entry.options, config_entry.entry_id)], True
)
class RandomBinarySensor(BinarySensorEntity):
"""Representation of a Random binary sensor."""
_attr_translation_key = "random"
def __init__(self, config: Mapping[str, Any], entry_id: str | None = None) -> None:
"""Initialize the Random binary sensor."""
self._attr_name = config[CONF_NAME]
self._attr_device_class = config.get(CONF_DEVICE_CLASS)
self._attr_unique_id = entry_id
async def async_update(self) -> None:
"""Get new state and update the sensor's state."""
self._attr_is_on = bool(getrandbits(1))