text: """
  Support for custom shell commands to retrieve values.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/binary_sensor.command_line/
  """
  import logging
  from datetime import timedelta
  
  import voluptuous as vol
  
  from homeassistant.components.binary_sensor import (
      BinarySensorDevice, SENSOR_CLASSES_SCHEMA, PLATFORM_SCHEMA)
  from homeassistant.components.sensor.command_line import CommandSensorData
  from homeassistant.const import (
      CONF_PAYLOAD_OFF, CONF_PAYLOAD_ON, CONF_NAME, CONF_VALUE_TEMPLATE,
      CONF_SENSOR_CLASS, CONF_COMMAND)
  import homeassistant.helpers.config_validation as cv
  
  _LOGGER = logging.getLogger(__name__)
  
  DEFAULT_NAME = 'Binary Command Sensor'
  DEFAULT_PAYLOAD_ON = 'ON'
  DEFAULT_PAYLOAD_OFF = 'OFF'
  
  MIN_TIME_BETWEEN_UPDATES = 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_SENSOR_CLASS): SENSOR_CLASSES_SCHEMA,
      vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
  })
  
  
  # pylint: disable=unused-argument
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """Setup the Command line Binary Sensor."""
      name = config.get(CONF_NAME)
      command = config.get(CONF_COMMAND)
      payload_off = config.get(CONF_PAYLOAD_OFF)
      payload_on = config.get(CONF_PAYLOAD_ON)
      sensor_class = config.get(CONF_SENSOR_CLASS)
      value_template = config.get(CONF_VALUE_TEMPLATE)
      if value_template is not None:
          value_template.hass = hass
      data = CommandSensorData(command)
  
      add_devices([CommandBinarySensor(
          hass, data, name, sensor_class, payload_on, payload_off,
          value_template)])
  
  
  # pylint: disable=too-many-arguments, too-many-instance-attributes
  class CommandBinarySensor(BinarySensorDevice):
      """Represent a command line binary sensor."""
  
      def __init__(self, hass, data, name, sensor_class, payload_on,
                   payload_off, value_template):
          """Initialize the Command line binary sensor."""
          self._hass = hass
          self.data = data
          self._name = name
          self._sensor_class = sensor_class
          self._state = False
          self._payload_on = payload_on
          self._payload_off = payload_off
          self._value_template = value_template
          self.update()
  
      @property
      def name(self):
          """Return the name of the sensor."""
          return self._name
  
      @property
      def is_on(self):
          """Return true if the binary sensor is on."""
          return self._state
  
      @ property
      def sensor_class(self):
          """Return the class of the binary sensor."""
          return self._sensor_class
  
      def update(self):
          """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._state = True
          elif value == self._payload_off:
              self._state = False
  