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README.md
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README.md
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# hass-circadian_lighting
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Circadian Lighting custom component for Home Assistant
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# Circadian Lighting [[Home Assistant](https://www.home-assistant.io/) Component]
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## Stay healthier and sleep better by syncing your lights with natural daylight to maintain your circadian rhythm!
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Circadian Lighting slowly synchronizes your color changing lights with the regular naturally occuring color temperature of the sky throughout the day. This gives your environment a more natural feel, with cooler hues during the midday and warmer tints near twilight and dawn.
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In addition, Circadian Lighting can set your lights to a nice cool white at 1% in “Sleep” mode, which is far brighter than starlight but won’t reset your circadian rhythm or break down too much rhodopsin in your eyes.
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<details><summary>Expand for articles explaining the benefits of maintaining a natural Circadian rhythm</summary>
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* [Circadian Rhythms - National Institute of General Medical Sciences](https://www.nigms.nih.gov/Education/Pages/Factsheet_CircadianRhythms.aspx)
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* [Circadian Rhythms Linked to Aging and Well-Being | Psychology Today](https://www.psychologytoday.com/us/blog/the-athletes-way/201306/circadian-rhythms-linked-aging-and-well-being)
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* [Maintaining a daily rhythm is important for mental health, study suggests - CNN](https://www.cnn.com/2018/05/15/health/circadian-rhythm-mood-disorder-study/index.html)
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* [How Nobel Winning Circadian Rhythm Research Benefits Pregnancy](https://www.healthypregnancy.com/how-nobel-prize-winning-circadian-rhythms-research-benefits-a-healthy-pregnancy/)
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* [Body Clock & Sleep - National Sleep Foundation](https://sleepfoundation.org/sleep-topics/sleep-drive-and-your-body-clock)
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</details>
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### Visit the [Wiki](https://github.com/claytonjn/hass-circadian_lighting/wiki) for more information.
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<hr>
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## Basic Installation/Configuration Instructions:
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#### Files - ALL THREE REQUIRED!
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* [config/custom_components/circadian_lighting/\_\_init__.py](https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/__init__.py)
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* [config/custom_components/circadian_lighting/sensor.py](https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/sensor.py)
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* [config/custom_components/circadian_lighting/switch.py](https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/switch.py)
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#### Component Configuration:
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```yaml
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# Example configuration.yaml entry
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circadian_lighting:
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```
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[_Advanced Configuration_](https://github.com/claytonjn/hass-circadian_lighting/wiki/Advanced-Configuration#component-configuration-variables)
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#### Switch Configuration:
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```yaml
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# Example configuration.yaml entry
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switch:
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- platform: circadian_lighting
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lights_ct:
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- light.desk
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- light.lamp
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```
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Switch configuration variables:
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* **name** (_Optional_): The name to use when displaying this switch.
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* **lights_ct** (_Optional_): array: List of light entities which should be set in mireds.
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* **lights_rgb** (_Optional_): array: List of light entities which should be set in RGB.
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* **lights_xy** (_Optional_): array: List of light entities which should be set in XY.
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* **lights_brightness** (_Optional_): array: List of light entities which should only have brightness adjusted.
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[_Advanced Configuration_](https://github.com/claytonjn/hass-circadian_lighting/wiki/Advanced-Configuration#switch-configuration-variables)
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<hr>
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### Graphs!
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These graphs were generated using the values calculated by the Circadian Lighting sensor/switch(es).
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##### Sun Position:
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##### Color Temperature:
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##### Brightness:
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@ -35,7 +35,7 @@ import homeassistant.helpers.config_validation as cv
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from homeassistant.components.light import (
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VALID_TRANSITION, ATTR_TRANSITION)
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from homeassistant.const import (
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CONF_LATITUDE, CONF_LONGITUDE,
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CONF_LATITUDE, CONF_LONGITUDE, CONF_ELEVATION,
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SUN_EVENT_SUNRISE, SUN_EVENT_SUNSET)
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from homeassistant.util import Throttle
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from homeassistant.helpers.discovery import load_platform
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@ -46,10 +46,9 @@ from homeassistant.util.color import (
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color_xy_to_hs)
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from homeassistant.util.dt import utcnow as dt_utcnow, as_local
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import astral
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from datetime import datetime, timedelta
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from .const import VERSION
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VERSION = '1.0.3'
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_LOGGER = logging.getLogger(__name__)
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@ -81,6 +80,7 @@ CONFIG_SCHEMA = vol.Schema({
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vol.Optional(CONF_SUNSET_TIME): cv.time,
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vol.Optional(CONF_LATITUDE): cv.latitude,
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vol.Optional(CONF_LONGITUDE): cv.longitude,
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vol.Optional(CONF_ELEVATION): float,
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vol.Optional(CONF_INTERVAL, default=DEFAULT_INTERVAL): cv.positive_int,
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vol.Optional(ATTR_TRANSITION, default=DEFAULT_INTERVAL): VALID_TRANSITION
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}),
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@ -96,15 +96,9 @@ def setup(hass, config):
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sunrise_time = conf.get(CONF_SUNRISE_TIME)
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sunset_time = conf.get(CONF_SUNSET_TIME)
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if conf.get(CONF_LATITUDE) is None:
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latitude = hass.config.latitude
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else:
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latitude = conf.get(CONF_LATITUDE)
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if conf.get(CONF_LONGITUDE) is None:
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longitude = hass.config.longitude
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else:
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longitude = conf.get(CONF_LONGITUDE)
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latitude = conf.get(CONF_LATITUDE, hass.config.latitude)
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longitude = conf.get(CONF_LONGITUDE, hass.config.longitude)
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elevation = conf.get(CONF_ELEVATION, hass.config.elevation)
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load_platform(hass, 'sensor', DOMAIN, {}, config)
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@ -113,7 +107,7 @@ def setup(hass, config):
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cl = CircadianLighting(hass, min_colortemp, max_colortemp,
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sunrise_offset, sunset_offset, sunrise_time, sunset_time,
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latitude, longitude,
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latitude, longitude, elevation,
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interval, transition)
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hass.data[DATA_CIRCADIAN_LIGHTING] = cl
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@ -125,7 +119,7 @@ class CircadianLighting(object):
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def __init__(self, hass, min_colortemp, max_colortemp,
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sunrise_offset, sunset_offset, sunrise_time, sunset_time,
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latitude, longitude,
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latitude, longitude, elevation,
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interval, transition):
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self.hass = hass
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self.data = {}
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@ -137,6 +131,7 @@ class CircadianLighting(object):
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self.data['sunset_time'] = sunset_time
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self.data['latitude'] = latitude
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self.data['longitude'] = longitude
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self.data['elevation'] = elevation
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self.data['interval'] = interval
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self.data['transition'] = transition
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self.data['percent'] = self.calc_percent()
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@ -166,9 +161,14 @@ class CircadianLighting(object):
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solar_noon = sunrise + (sunset - sunrise)/2
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solar_midnight = sunset + ((sunrise + timedelta(days=1)) - sunset)/2
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else:
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import astral
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location = astral.Location()
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location.name = 'name'
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location.region = 'region'
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location.latitude = self.data['latitude']
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location.longitude = self.data['longitude']
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location.elevation = self.data['elevation']
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_LOGGER.debug("Astral location: " + str(location))
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if self.data['sunrise_time'] is not None:
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if date is None:
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utcdate = dt_utcnow()
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@ -199,7 +199,7 @@ class CircadianLighting(object):
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def calc_percent(self):
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utcnow = dt_utcnow()
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now = as_local(utcnow)
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today_sun_times = self.get_sunrise_sunset()
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today_sun_times = self.get_sunrise_sunset(now)
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now_seconds = now.timestamp()
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today_sunrise_seconds = today_sun_times[SUN_EVENT_SUNRISE].timestamp()
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@ -207,12 +207,16 @@ class CircadianLighting(object):
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today_solar_noon_seconds = today_sun_times['solar_noon'].timestamp()
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today_solar_midnight_seconds = today_sun_times['solar_midnight'].timestamp()
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_LOGGER.debug("now: " + str(now) + "\n\n today_sun_times: " + str(today_sun_times))
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if now < today_sun_times[SUN_EVENT_SUNRISE]:
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yesterday_sun_times = self.get_sunrise_sunset(now - timedelta(days=1))
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yesterday_sunrise_seconds = yesterday_sun_times[SUN_EVENT_SUNRISE].timestamp()
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yesterday_sunset_seconds = yesterday_sun_times[SUN_EVENT_SUNSET].timestamp()
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yesterday_solar_midnight_seconds = yesterday_sun_times['solar_midnight'].timestamp()
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_LOGGER.debug("yesterday_sun_times: " + str(yesterday_sun_times))
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x1 = yesterday_sunset_seconds
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y1 = 0
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x3 = today_sunset_seconds
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y3 = 0
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_LOGGER.debug("x1: " + str(x1) + "\n\n y1: " + str(y1) + "\n\n x2: " + str(x2) + "\n\n y2: " + str(y2))
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# Generate color temperature parabola from points
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a1 = -x1**2+x2**2
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b1 = -x1+x2
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@ -264,6 +270,8 @@ class CircadianLighting(object):
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c = y1-a*x1**2-b*x1
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percentage = a*now_seconds**2+b*now_seconds+c
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_LOGGER.debug("percentage: " + str(percentage))
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return percentage
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def calc_colortemp(self):
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# coding: utf-8
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"""Constants used by Circadian Lighting components."""
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VERSION = '1.0.0'
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@ -13,8 +13,6 @@ from homeassistant.helpers.entity import Entity
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import datetime
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from .const import VERSION
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_LOGGER = logging.getLogger(__name__)
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ICON = 'mdi:theme-light-dark'
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@ -26,8 +26,6 @@ from homeassistant.util.color import (
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color_RGB_to_xy, color_temperature_kelvin_to_mired,
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color_temperature_to_rgb, color_xy_to_hs)
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from .const import VERSION
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_LOGGER = logging.getLogger(__name__)
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ICON = 'mdi:theme-light-dark'
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@ -1,13 +1,12 @@
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{
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"circadian_lighting": {
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"updated_at": "2019-04-03",
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"version": "1.0.0",
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"updated_at": "2019-04-05",
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"version": "1.0.3",
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"local_location": "/custom_components/circadian_lighting/__init__.py",
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"remote_location": "https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/__init__.py",
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"visit_repo": "https://github.com/claytonjn/hass-circadian_lighting",
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"changelog": "https://github.com/claytonjn/hass-circadian_lighting/releases",
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"resources": [
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"https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/const.py",
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"https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/sensor.py",
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"https://raw.githubusercontent.com/claytonjn/hass-circadian_lighting/master/custom_components/circadian_lighting/switch.py"
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]
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