[signal][atexit] Demo: Handle on-exit event in Python program

on-exit.py

from typing import List

import os
import atexit
import signal

files_to_remove_on_exit: List[str] = []


def on_exit(*args):
    for filename in files_to_remove_on_exit:
        print(f'Removing {filename}')
        os.remove(filename)


signal.signal(signal.SIGINT, on_exit)
signal.signal(signal.SIGTERM, on_exit)
atexit.register(on_exit)

# file_to_remove_on_exit.append(...)