79 lines
1.8 KiB
Python
79 lines
1.8 KiB
Python
"""
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homeassistant.components.light.demo
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Demo platform that implements lights.
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"""
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import random
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from homeassistant.components.light import (
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Light, ATTR_BRIGHTNESS, ATTR_XY_COLOR)
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LIGHT_COLORS = [
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[0.861, 0.3259],
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[0.6389, 0.3028],
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[0.1684, 0.0416]
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]
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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""" Find and return demo lights. """
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add_devices_callback([
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DemoLight("Bed Light", False),
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DemoLight("Ceiling", True),
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DemoLight("Kitchen", True)
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])
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class DemoLight(Light):
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""" Provides a demo switch. """
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def __init__(self, name, state, xy=None, brightness=180):
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self._name = name
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self._state = state
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self._xy = xy or random.choice(LIGHT_COLORS)
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self._brightness = brightness
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@property
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def should_poll(self):
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""" No polling needed for a demo light. """
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return False
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@property
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def name(self):
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""" Returns the name of the device if any. """
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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 this light between 0..255. """
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return self._brightness
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@property
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def color_xy(self):
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""" XY color value. """
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return self._xy
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@property
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def is_on(self):
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""" True if device is on. """
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return self._state
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def turn_on(self, **kwargs):
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""" Turn the device on. """
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self._state = True
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if ATTR_XY_COLOR in kwargs:
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self._xy = kwargs[ATTR_XY_COLOR]
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if ATTR_BRIGHTNESS in kwargs:
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self._brightness = kwargs[ATTR_BRIGHTNESS]
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self.update_ha_state()
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def turn_off(self, **kwargs):
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""" Turn the device off. """
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self._state = False
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self.update_ha_state()
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