rtc.py

#!/usr/bin/env python3

#Copyright © 2021 Benoît Boudaud https://miamondo.org/contact
#This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, either version 3 of the License, or any later version.

#This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with this program.
# If not, see <http://www.gnu.org/licenses/>

# ----------------------------------------------------------------------------------------------------------------------

import tkinter as tk

# ----------------------------------------------------------------------------------------------------------------------

root = tk.Tk()
label = tk.Label(
    root,
    font="14",
    justify="left",
    padx=10,
    pady=10,
    text="Attention! L'ordinateur va\ns'éteindre dans cinq minutes.\n\
Enregistrez vos documents.")
label.grid(row=0, column=0)

button = tk.Button(
    root,
    bg="red",
    command=root.destroy,
    fg="white",
    font="14",
    padx=10,
    pady=10,
    text="OK")
button.grid(row=1, column=0, padx=5, pady=5, sticky="news")

# ----------------------------------------------------------------------------------------------------------------------

root.mainloop()