Detect when keys are pressed to simulate a hotkey detection script

hotkeyDetector.py

# from https://github.com/moses-palmer/pynput/issues/20
from pynput import keyboard

# The key combination to check
COMBINATIONS = [
    {keyboard.Key.shift_r, keyboard.KeyCode(char='a')},
    {keyboard.Key.shift_r, keyboard.KeyCode(char='A')}
]

# The currently active modifiers
current = set()


def on_press(key):
    if any([key in COMBO for COMBO in COMBINATIONS]):
        current.add(key)
        if any(all(k in current for k in COMBO) for COMBO in COMBINATIONS):
            print('All modifiers active!')


def on_release(key):
    if any([key in COMBO for COMBO in COMBINATIONS]):
        current.remove(key)


with keyboard.Listener(on_press=on_press, on_release=on_release) as listener:
    listener.join()