根据日出日落时间调节易来的色温和亮度

config.json

{
    "latitude": 39.9042,
    "longitude": 116.4074,
    "timezone": "Asia/Shanghai",
    "min_temperature": 2700,
    "max_temperature": 5500,
    "min_brightness": 1,
    "max_brightness": 80,
    "devices": [
    ]
}

Dockerfile

FROM alpine:latest

ENV TZ=Asia/Shanghai

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories
RUN echo "@testing https://mirrors.tuna.tsinghua.edu.cn/alpine/edge/testing" >>  /etc/apk/repositories

RUN apk update
RUN apk add bash  python3 py3-pip py3-astral@testing py3-tz@testing py3-netifaces@testing
RUN ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
RUN pip install python-miio  --break-system-packages

# Run a cron job
COPY crontab.txt /crontab.txt
RUN /usr/bin/crontab /crontab.txt

RUN mkdir /app
COPY main.py /app/main.py
COPY config.json /app/config.json
RUN chmod +x /app/main.py

CMD ["/usr/sbin/crond", "-f", "-l", "2"]

main.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import json
import pytz

from miio import CloudInterface
from miio import Yeelight
from miio.exceptions import DeviceException

from astral import LocationInfo
from astral.sun import sun
from datetime import datetime, timedelta

config = json.load(open("config.json"))

__doc__ = """


pip install python-miio
pip install astral
pip install pytz  

"""


def calculate_sunrise_sunset():
    # 定位信息
    location = LocationInfo(latitude=config["latitude"], longitude=config["longitude"], timezone=config["timezone"])

    # 获取今天的日期
    today = datetime.today()

    # 计算日出和日落时间
    s = sun(location.observer, date=today, tzinfo=location.timezone)
    print(s)

    # 返回日出和日落时间
    return s['sunrise'], s['noon'], s['sunset']


def get_light_properties():
    utc_now = datetime.now(pytz.UTC)
    now = utc_now.astimezone(pytz.timezone(config["timezone"]))
    sunrise, noon, sunset = calculate_sunrise_sunset()

    before_sunrise = now < sunrise - timedelta(hours=1)
    after_sunset = now > sunset + timedelta(hours=1)
    is_noon = now == noon
    brightness = config["min_brightness"]
    temperature = config["min_temperature"]
    # 根据时间关系设置色温和亮度
    if before_sunrise or after_sunset:
        # 日出前1小时和日落后1小时，设置最低亮度和色温
        brightness = config["min_brightness"]
        temperature = config["min_temperature"]
    elif is_noon:
        # 正午时间，设置最大亮度和最低色温
        brightness = config["max_brightness"]
        temperature = config["max_temperature"]
    elif now < noon:
        # 计算上午的时间比例
        time_since_sunrise = (now - sunrise).total_seconds()
        time_until_noon = (noon - sunrise).total_seconds()

        # 计算亮度
        brightness = config["min_brightness"] + (config["max_brightness"] - config["min_brightness"]) * (time_since_sunrise / time_until_noon)

        # 计算色温
        temperature = config["min_temperature"] + (config["max_temperature"] - config["min_temperature"]) * (time_since_sunrise / time_until_noon)
    elif now > noon:
        # 计算下午的时间比例
        time_since_noon = (now - noon).total_seconds()
        time_until_sunset = (sunset - noon).total_seconds()

        # 计算亮度
        brightness = config["max_brightness"] - (config["max_brightness"] - config["min_brightness"]) * (time_since_noon / time_until_sunset)

        # 计算色温
        temperature = config["max_temperature"] + (config["max_temperature"] - config["min_temperature"]) * (time_since_noon / time_until_sunset)
    return brightness, temperature


def main():
    if len(config["devices"]) == 0:
        devices = []
        print("当前没有设备，请输入设备登录信息，录入设备\n")
        username = input("请输入米家账号：")
        password = input("请输入米家密码：")
        ci = CloudInterface(username=username, password=password)
        devs = ci.get_devices()
        for did, dev in devs.items():
            print(dev)
            if dev.model.startswith("yeelink"):
                devices.append({
                    "model": dev.model,
                    "token": dev.token,
                    "ip": dev.ip,
                    "name": dev.name
                })
        config["devices"] = devices

        json.dump(config, open("config.json", "w", encoding="utf-8"), indent=4)

    else:
        brightness, temperature = get_light_properties()
        for dev in config["devices"]:
            if dev["model"].startswith("yeelink"):
                try:
                    dev = Yeelight(dev["ip"], dev["token"])
                    dev.set_brightness(brightness)
                    dev.set_color_temp(temperature)
                except DeviceException as e:
                    print(f'更新{dev["ip"]}故障')
                    print(e)


# 按装订区域中的绿色按钮以运行脚本。
if __name__ == '__main__':
    main()