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