AutoHotkeys - Open to, or switch to application

switch_to_chrome.py

# Example using google chrome
import subprocess
from subprocess import call

def winexists(target):
    for line in subprocess.check_output(['wmctrl', '-l', '-x']).splitlines():
        window_name = line.split(None, 3)[2].decode()
        if window_name == target:
            return True
    return False

# If the window for google chrome exists, switch to it
if winexists("google-chrome.Google-chrome"):
    window.activate("google-chrome.Google-chrome", switchDesktop=True, matchClass=True)
# Otherwise, open it!
else:
    call(['google-chrome'])