Detect if windows is locked

check_windows_locked.py

# coding: utf-8
"""
check_windows_locked.py
Copyright: (c) Steve Barnes 2024
Author: Steve Barnes <[email protected]>

Check if a windows system is screen locked.
"""

import sys
import time


import psutil


def screen_locked():
    """Check if screen locked."""
    loc_proc_names = ["LogonUI.exe", ]  # Use a list in case of future changes
    for proc in psutil.process_iter():
        if proc.name() in loc_proc_names:
            return True
    return False


if __name__ == "__main__":
    print(
        "Test of",
        sys.argv[0],
        "lock your screen & wait a couple of seconds",
        "before unlocking",
    )
    for _ in range(10):
        time.sleep(1)
        print(time.asctime(), "LOCKED" if screen_locked() else "OPEN")
    print("Done!")