A short script to switch between monitor inputs on evdev input swap

toggle-input.py

#!/usr/bin/python3

import platform
import subprocess

from pynput import keyboard


def toggle_input():
    if platform.system() == 'Windows':
        activate_host()
    else:
        activate_guest()


def activate_host():
    subprocess.run((
        'C:\\Program Files (x86)\\Dell\\Dell Display Manager\\ddm.exe',
        '/1:SetActiveInput',
        'DP1'
    ))


def activate_guest():
    subprocess.run((
        'sudo',
        'ddccontrol',
        '-r',
        '0x60',
        '-w',
        '17',
        'dev:/dev/i2c-4'
    ))


hotkey = keyboard.HotKey(
    keyboard.HotKey.parse('<ctrl_l>+<ctrl_r>'),
    toggle_input
)

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