check_inet.py

import subprocess as sp
from os import system
from time import sleep
from time import strftime
from rich import print

zeit = f'{strftime("%H:%M")}'

while True:
    sleep(2)
    try:
        t = sp.check_output('ping -n 1 google.de')
        system('cls')
        try:
            print(f'[green]ONLINE[/green] since {zeit_offline}')
            zeit = f'{strftime("%H:%M")}'
        except Exception:
            print(f'[green]ONLINE[/green] since {zeit}')
    except Exception as e:
        system('cls')
        print(f'[red]OFFLINE[/red] since {zeit}') if e.returncode == 1 else print(e)
        zeit_offline = f'{strftime("%H:%M")}'