mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
"""Support for showing random numbers."""
|
|
from __future__ import annotations
|
|
|
|
from random import randrange
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
|
|
from homeassistant.const import (
|
|
CONF_MAXIMUM,
|
|
CONF_MINIMUM,
|
|
CONF_NAME,
|
|
CONF_UNIT_OF_MEASUREMENT,
|
|
)
|
|
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
|
|
|
|
ATTR_MAXIMUM = "maximum"
|
|
ATTR_MINIMUM = "minimum"
|
|
|
|
DEFAULT_NAME = "Random Sensor"
|
|
DEFAULT_MIN = 0
|
|
DEFAULT_MAX = 20
|
|
|
|
ICON = "mdi:hanger"
|
|
|
|
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
|
|
{
|
|
vol.Optional(CONF_MAXIMUM, default=DEFAULT_MAX): cv.positive_int,
|
|
vol.Optional(CONF_MINIMUM, default=DEFAULT_MIN): cv.positive_int,
|
|
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
|
|
vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
|
|
}
|
|
)
|
|
|
|
|
|
async def async_setup_platform(
|
|
hass: HomeAssistant,
|
|
config: ConfigType,
|
|
async_add_entities: AddEntitiesCallback,
|
|
discovery_info: DiscoveryInfoType | None = None,
|
|
) -> None:
|
|
"""Set up the Random number sensor."""
|
|
name = config.get(CONF_NAME)
|
|
minimum = config.get(CONF_MINIMUM)
|
|
maximum = config.get(CONF_MAXIMUM)
|
|
unit = config.get(CONF_UNIT_OF_MEASUREMENT)
|
|
|
|
async_add_entities([RandomSensor(name, minimum, maximum, unit)], True)
|
|
|
|
|
|
class RandomSensor(SensorEntity):
|
|
"""Representation of a Random number sensor."""
|
|
|
|
def __init__(self, name, minimum, maximum, unit_of_measurement):
|
|
"""Initialize the Random sensor."""
|
|
self._name = name
|
|
self._minimum = minimum
|
|
self._maximum = maximum
|
|
self._unit_of_measurement = unit_of_measurement
|
|
self._state = None
|
|
|
|
@property
|
|
def name(self):
|
|
"""Return the name of the device."""
|
|
return self._name
|
|
|
|
@property
|
|
def native_value(self):
|
|
"""Return the state of the device."""
|
|
return self._state
|
|
|
|
@property
|
|
def icon(self):
|
|
"""Return the icon to use in the frontend, if any."""
|
|
return ICON
|
|
|
|
@property
|
|
def native_unit_of_measurement(self):
|
|
"""Return the unit this state is expressed in."""
|
|
return self._unit_of_measurement
|
|
|
|
@property
|
|
def extra_state_attributes(self):
|
|
"""Return the attributes of the sensor."""
|
|
return {ATTR_MAXIMUM: self._maximum, ATTR_MINIMUM: self._minimum}
|
|
|
|
async def async_update(self):
|
|
"""Get a new number and updates the states."""
|
|
|
|
self._state = randrange(self._minimum, self._maximum + 1)
|