old_contents: """
  Support for X10 lights.
  
  Requires heyu x10 interface
  http://www.heyu.org
  
  To enable x10 lights, add something like this to your `configuration.yaml`:
  
      light:
      - platform: x10
          lights:
          - name: Living Room Lamp
              id: a2
          - name: Bedroom Lamp
              id: a3
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/light.x10/
  """
  
  import logging
  from subprocess import check_output, CalledProcessError, STDOUT
  from homeassistant.components.light import ATTR_BRIGHTNESS, Light
  
  _LOGGER = logging.getLogger(__name__)
  
  
  def x10_command(command):
      """Execute X10 command and check output."""
      return check_output(["heyu"] + command.split(' '), stderr=STDOUT)
  
  
  def get_status():
      """Get on/off status for all x10 units in default housecode."""
      output = check_output("heyu info | grep monitored", shell=True)
      return output.decode('utf-8').split(' ')[-1].strip('\n()')
  
  
  def get_unit_status(code):
      """Get on/off status for given unit."""
      unit = int(code[1])
      return get_status()[16 - int(unit)] == '1'
  
  
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """Initialize Awesome Light platform."""
      # Verify that heyu is active
      try:
          x10_command("info")
      except CalledProcessError as err:
          _LOGGER.error(err.output)
          return False
  
      # Add devices
      add_devices(X10Light(light) for light in config['lights'])
  
  
  class X10Light(Light):
      """Represents an X10 Light in Home Assistant."""
  
      def __init__(self, light):
          """Initialize an X10 Light."""
          self._name = light['name']
          self._id = light['id']
          self._is_on = False
          self._brightness = 0
  
      @property
      def name(self):
          """Return the display name of this light."""
          return self._name
  
      @property
      def brightness(self):
          """Brightness of the light (an integer in the range 1-255).
  
          This method is optional. Removing it indicates to Home Assistant
          that brightness is not supported for this light.
          """
          return self._brightness
  
      @property
      def is_on(self):
          """If light is on."""
          return self._is_on
  
      def turn_on(self, **kwargs):
          """Instruct the light to turn on."""
          x10_command("on " + self._id)
          self._brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
          self._is_on = True
  
      def turn_off(self, **kwargs):
          """Instruct the light to turn off."""
          x10_command("off " + self._id)
          self._is_on = False
  
      def update(self):
          """Fetch new state data for this light.
  
          This is the only method that should fetch new data for Home Assitant.
          """
          self._is_on = get_unit_status(self._id)
  
new_contents: """
  Support for X10 lights.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/light.x10/
  """
  import logging
  from subprocess import check_output, CalledProcessError, STDOUT
  from homeassistant.components.light import ATTR_BRIGHTNESS, Light
  
  _LOGGER = logging.getLogger(__name__)
  
  
  def x10_command(command):
      """Execute X10 command and check output."""
      return check_output(["heyu"] + command.split(' '), stderr=STDOUT)
  
  
  def get_status():
      """Get on/off status for all x10 units in default housecode."""
      output = check_output("heyu info | grep monitored", shell=True)
      return output.decode('utf-8').split(' ')[-1].strip('\n()')
  
  
  def get_unit_status(code):
      """Get on/off status for given unit."""
      unit = int(code[1])
      return get_status()[16 - int(unit)] == '1'
  
  
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """Setup the x10 Light platform."""
      try:
          x10_command("info")
      except CalledProcessError as err:
          _LOGGER.error(err.output)
          return False
  
      add_devices(X10Light(light) for light in config['lights'])
  
  
  class X10Light(Light):
      """Representation of an X10 Light."""
  
      def __init__(self, light):
          """Initialize an X10 Light."""
          self._name = light['name']
          self._id = light['id']
          self._is_on = False
          self._brightness = 0
  
      @property
      def name(self):
          """Return the display name of this light."""
          return self._name
  
      @property
      def brightness(self):
          """Brightness of the light (an integer in the range 1-255)."""
          return self._brightness
  
      @property
      def is_on(self):
          """Return true if light is on."""
          return self._is_on
  
      def turn_on(self, **kwargs):
          """Instruct the light to turn on."""
          x10_command("on " + self._id)
          self._brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
          self._is_on = True
  
      def turn_off(self, **kwargs):
          """Instruct the light to turn off."""
          x10_command("off " + self._id)
          self._is_on = False
  
      def update(self):
          """Fetch new state data for this light."""
          self._is_on = get_unit_status(self._id)
  
subject: Remove Awesoe Light artefacts