Ubuntu: Minimize all windows except active one

minimize_non_active_windows.py

#! /usr/bin/python

import gi

gi.require_version('Gtk', '3.0')
gi.require_version('Wnck', '3.0')

from gi.repository import Gtk, Wnck

screen = Wnck.Screen.get_default()
screen.force_update()

while Gtk.events_pending():
    Gtk.main_iteration()

windows = screen.get_windows()
active_app = screen.get_active_window().get_application()

for w in windows:
    if not w.get_application() == active_app:
        w.minimize()

The idea of using this script http://unix.stackexchange.com/questions/159334/focusing-the-current-window-minimizing-all-of-the-others