Yubikey 没拔！ From: https://cfp.vim-cn.com/cbf05?py

yubikey-notice.py

import sys
import subprocess
import notify2
import dbus
from gi.repository import GLib
from dbus.mainloop.glib import DBusGMainLoop
import yubico
def check(bus, msg):
    if msg.get_path() != "/ScreenSaver":
        return
    args = msg.get_args_list()
    if args[0]:
        print("Screen locked", file=sys.stderr)
    else:
        print("Screen unlocked", file=sys.stderr)
        return
    try:
        _ = yubico.find_yubikey(debug=False)
    except yubico.yubico_exception.YubicoError:
        return
    else:
        print("Found yubikey", file=sys.stderr)
        n = notify2.Notification("Yubikey", "Yubikey 没拔！", "dialog-warning")
        n.show()
        subprocess.run(["loginctl", "unlock-session"])
if __name__ == '__main__':
    DBusGMainLoop(set_as_default=True)
    bus = dbus.SessionBus()
    bus.add_match_string(
        "type='signal'," +
        "path='/ScreenSaver'," +
        "interface='org.freedesktop.ScreenSaver'," +
        "member='ActiveChanged'")
    bus.add_message_filter(check)
    notify2.init(sys.argv[0])
    mainloop = GLib.MainLoop()
    mainloop.run()