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mirror of https://github.com/home-assistant/core synced 2024-08-02 23:40:32 +02:00
ha-core/homeassistant/components/command_line/binary_sensor.py
2022-02-12 08:19:37 -06:00

125 lines
3.8 KiB
Python

"""Support for custom shell commands to retrieve values."""
from __future__ import annotations
from datetime import timedelta
import voluptuous as vol
from homeassistant.components.binary_sensor import (
DEVICE_CLASSES_SCHEMA,
PLATFORM_SCHEMA,
BinarySensorEntity,
)
from homeassistant.const import (
CONF_COMMAND,
CONF_DEVICE_CLASS,
CONF_NAME,
CONF_PAYLOAD_OFF,
CONF_PAYLOAD_ON,
CONF_UNIQUE_ID,
CONF_VALUE_TEMPLATE,
)
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.reload import setup_reload_service
from homeassistant.helpers.template import Template
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
from .sensor import CommandSensorData
DEFAULT_NAME = "Binary Command Sensor"
DEFAULT_PAYLOAD_ON = "ON"
DEFAULT_PAYLOAD_OFF = "OFF"
SCAN_INTERVAL = timedelta(seconds=60)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_COMMAND): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string,
vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string,
vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_COMMAND_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
vol.Optional(CONF_UNIQUE_ID): cv.string,
}
)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Command line Binary Sensor."""
setup_reload_service(hass, DOMAIN, PLATFORMS)
name: str = config[CONF_NAME]
command: str = config[CONF_COMMAND]
payload_off: str = config[CONF_PAYLOAD_OFF]
payload_on: str = config[CONF_PAYLOAD_ON]
device_class: str | None = config.get(CONF_DEVICE_CLASS)
value_template: Template | None = config.get(CONF_VALUE_TEMPLATE)
command_timeout: int = config[CONF_COMMAND_TIMEOUT]
unique_id: str | None = config.get(CONF_UNIQUE_ID)
if value_template is not None:
value_template.hass = hass
data = CommandSensorData(hass, command, command_timeout)
add_entities(
[
CommandBinarySensor(
data,
name,
device_class,
payload_on,
payload_off,
value_template,
unique_id,
)
],
True,
)
class CommandBinarySensor(BinarySensorEntity):
"""Representation of a command line binary sensor."""
def __init__(
self,
data: CommandSensorData,
name: str,
device_class: str | None,
payload_on: str,
payload_off: str,
value_template: Template | None,
unique_id: str | None,
) -> None:
"""Initialize the Command line binary sensor."""
self.data = data
self._attr_name = name
self._attr_device_class = device_class
self._attr_is_on = None
self._payload_on = payload_on
self._payload_off = payload_off
self._value_template = value_template
self._attr_unique_id = unique_id
def update(self) -> None:
"""Get the latest data and updates the state."""
self.data.update()
value = self.data.value
if self._value_template is not None:
value = self._value_template.render_with_possible_json_value(value, False)
if value == self._payload_on:
self._attr_is_on = True
elif value == self._payload_off:
self._attr_is_on = False