내컴퓨터 천천히 소리줄이며 원하시는 시간에 컴퓨터 종료하기

import tkinter as tk
from tkinter import ttk
import datetime
import os
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
from comtypes import CLSCTX_ALL
from ctypes import cast, POINTER
import time

def set_volume(level):

    devices = AudioUtilities.GetSpeakers()
    interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
    volume = cast(interface, POINTER(IAudioEndpointVolume))
    volume.SetMasterVolumeLevelScalar(level, None)

def shutdown_computer():


    try:

        date_str = f"{year_var.get()}-{month_var.get()}-{day_var.get()} {hour_var.get()}:{minute_var.get()}"
        target_datetime = datetime.datetime.strptime(date_str, "%Y-%m-%d %H:%M")
        now = datetime.datetime.now()
        delay = (target_datetime - now).total_seconds()

        if delay > 60:  # Only if more than 60 seconds remain
            # Schedule volume decrease gradually 1 minute before shutdown
            root.after(int(delay - 60) * 1000, gradual_volume_decrease)
            # Schedule shutdown
            root.after(int(delay) * 1000, lambda: os.system("shutdown /s /t 1"))
            countdown(int(delay))
        else:

            time_label.config(text="스케줄을 잡을 시간이 부족해요!")


    except Exception as e:
        time_label.config(text=str(e))

def gradual_volume_decrease():

    devices = AudioUtilities.GetSpeakers()
    interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
    volume = cast(interface, POINTER(IAudioEndpointVolume))
     
    current_volume = volume.GetMasterVolumeLevelScalar()

    while current_volume > 0:
        new_volume = max(0, current_volume - 0.03)  # 0 이하로 내려가지 않게 합니다
        volume.SetMasterVolumeLevelScalar(new_volume, None)
        current_volume = new_volume
        print(f"볼륨 설정: {current_volume * 100}%")
       
        time.sleep(1)  # 10초 대기


def countdown(t):

    def update():
        nonlocal t
        mins, secs = divmod(t, 60)
        hours, mins = divmod(mins, 60)
        timeformat = '{:02d}:{:02d}:{:02d}'.format(hours, mins, secs)
        time_label.config(text=timeformat)
        t -= 1
        if t >= 0:
            root.after(1000, update)
        else:
            time_label.config(text="종료 시간이 다 됐습니다.")
    update()

root = tk.Tk()
root.title("컴퓨터 자동종료")
root.geometry("480x200")


# Year, Month, Day, Hour, Minute Dropdowns with today's date preselected
now = datetime.datetime.now()

year_var = tk.StringVar(value=now.year)
month_var = tk.StringVar(value=f"{now.month:02d}")
day_var = tk.StringVar(value=f"{now.day:02d}")
hour_var = tk.StringVar(value=f"{now.hour:02d}")
minute_var = tk.StringVar(value=f"{now.minute:02d}")

years = [str(year) for year in range(now.year, now.year + 2)]
months = [f"{m:02d}" for m in range(1, 13)]
days = [f"{d:02d}" for d in range(1, 32)]
hours = [f"{h:02d}" for h in range(24)]
minutes = [f"{m:02d}" for m in range(60)]

# GUI Components
 
ttk.Label(root, text="설정시간에 PC 종료되며, 종료 1분전에 컴퓨터 소리를 점차 줄입니다",font=('NanumGothic', 10)).grid(row=0, column=0,columnspan=6,padx=10, pady=20)
ttk.Label(root, text="", width=2,font=('NanumGothic', 15, 'bold')).grid(row=1, column=0, padx=0, pady=0)
ttk.Combobox(root, textvariable=year_var, values=years, width=5,font=('NanumGothic', 15, 'bold')).grid(row=1, column=1, padx=0, pady=0)
ttk.Combobox(root, textvariable=month_var, values=months, width=3,font=('NanumGothic', 15, 'bold')).grid(row=1, column=2, padx=0, pady=0)
ttk.Combobox(root, textvariable=day_var, values=days, width=3,font=('NanumGothic', 15, 'bold')).grid(row=1, column=3, padx=0, pady=0)
ttk.Combobox(root, textvariable=hour_var, values=hours, width=3,font=('NanumGothic', 15, 'bold')).grid(row=1, column=4, padx=0, pady=0)
ttk.Combobox(root, textvariable=minute_var, values=minutes, width=3,font=('NanumGothic', 15, 'bold')).grid(row=1, column=5, padx=0, pady=0)

time_label = tk.Label(root, text="", font=('NanumGothic', 15, 'bold'),fg="red")
time_label.grid(row=2, column=0, columnspan=6, padx=5, pady=5)

shutdown_button = tk.Button(root, text="종료 예약하기", font=('NanumGothic', 13), command=shutdown_computer)
shutdown_button.grid(row=3, column=2, padx=5, pady=5)

cancel_button = tk.Button(root, text="종료 취소", font=('NanumGothic', 13),command=root.destroy)
cancel_button.grid(row=3, column=4, padx=5, pady=5)

root.mainloop()

사용자가 맞추어 놓은 컴퓨터에서 종료시간 1분전에 컴퓨터 스피커 소리를 점차 줄어들게 하여, 음소거 된후

컴퓨터가 종료되어 집니다.