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More accurately convert colortemp to xy and hs #146

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More accurately convert colortemp to xy and hs #146

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aeedf45
More accurately convert colortemp to xy and hs
dn0sar Apr 20, 2021
002c8a4
Added fallback if colour-science install failed
dn0sar Aug 14, 2021
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2 changes: 1 addition & 1 deletion custom_components/circadian_lighting/manifest.json
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,6 @@
"issue_tracker": "https://github.com/claytonjn/hass-circadian_lighting/issues",
"dependencies": ["sensor","switch"],
"codeowners": ["@claytonjn"],
"requirements": [],
"requirements": ["colour-science"],
"iot_class": "calculated"
}
14 changes: 12 additions & 2 deletions custom_components/circadian_lighting/switch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,15 @@

import asyncio
import logging
import sys
from itertools import repeat

import voluptuous as vol
try:
import colour
USING_COLOUR = True
except:
USING_COLOUR = False

import homeassistant.helpers.config_validation as cv
from homeassistant.components.light import (
Expand Down Expand Up @@ -299,7 +305,10 @@ def _calc_rgb(self):
return color_temperature_to_rgb(self._color_temperature())

def _calc_xy(self):
return color_RGB_to_xy(*self._calc_rgb())
if USING_COLOUR:
return list(colour.temperature.CCT_to_xy_CIE_D(self._color_temperature()))
else:
return color_RGB_to_xy(*self._calc_rgb())

def _calc_hs(self):
return color_xy_to_hs(*self._calc_xy())
Expand Down Expand Up @@ -352,7 +361,8 @@ async def _adjust_lights(self, lights, transition):
if not is_on(self.hass, light):
continue

service_data = {ATTR_ENTITY_ID: light, ATTR_TRANSITION: transition}
service_data = {ATTR_ENTITY_ID: light}
service_data[ATTR_TRANSITION] = transition
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Is there an advantage to breaking this into two lines? Have you run into issues where service_data was not set because of an issue with light or transition?

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Ah well spotted! I actually didn't intend to commit this, but I forgot to remove it after I tested it on my system. The problem is that IKEA light bulbs don't handle transition and color changes commands issued at the same time very well. Particularly, they don't change the color when this happens, so I just commented out the transition part on my system.

if self._brightness is not None:
service_data[ATTR_BRIGHTNESS] = int((self._brightness / 100) * 254)

Expand Down