Change i3 split based on current window dimensions

split-size-toggle.py

import i3ipc

i3 = i3ipc.Connection()

def on_window_focus(i3, e):
    cont = e.container
    if cont.rect.width < cont.rect.height:
        print("splitv")
        i3.command("split vertical")
    else:
        print("splith")
        i3.command("split horizontal")

i3.on("window::focus", on_window_focus)

i3.main()