core/homeassistant/components/light/demo.py

89 lines
2.2 KiB
Python

"""
homeassistant.components.light.demo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Demo platform that implements lights.
"""
import random
from homeassistant.components.light import (
Light, ATTR_BRIGHTNESS, ATTR_RGB_COLOR, ATTR_COLOR_TEMP)
LIGHT_COLORS = [
[237, 224, 33],
[255, 63, 111],
]
LIGHT_TEMPS = [240, 380]
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
""" Find and return demo lights. """
add_devices_callback([
DemoLight("Bed Light", False),
DemoLight("Ceiling Lights", True, LIGHT_COLORS[0], LIGHT_TEMPS[1]),
DemoLight("Kitchen Lights", True, LIGHT_COLORS[1], LIGHT_TEMPS[0])
])
class DemoLight(Light):
""" Provides a demo switch. """
# pylint: disable=too-many-arguments
def __init__(self, name, state, rgb=None, ct=None, brightness=180):
self._name = name
self._state = state
self._rgb = rgb or random.choice(LIGHT_COLORS)
self._ct = ct or random.choice(LIGHT_TEMPS)
self._brightness = brightness
@property
def should_poll(self):
""" No polling needed for a demo light. """
return False
@property
def name(self):
""" Returns the name of the device if any. """
return self._name
@property
def brightness(self):
""" Brightness of this light between 0..255. """
return self._brightness
@property
def rgb_color(self):
""" rgb color value. """
return self._rgb
@property
def color_temp(self):
""" CT color temperature. """
return self._ct
@property
def is_on(self):
""" True if device is on. """
return self._state
def turn_on(self, **kwargs):
""" Turn the device on. """
self._state = True
if ATTR_RGB_COLOR in kwargs:
self._rgb = kwargs[ATTR_RGB_COLOR]
if ATTR_COLOR_TEMP in kwargs:
self._ct = kwargs[ATTR_COLOR_TEMP]
if ATTR_BRIGHTNESS in kwargs:
self._brightness = kwargs[ATTR_BRIGHTNESS]
self.update_ha_state()
def turn_off(self, **kwargs):
""" Turn the device off. """
self._state = False
self.update_ha_state()