from gi.repository import Gtk, GLib

class CellRendererPixbufWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self)
        self.set_default_size(200, 200)

        play = Gtk.ToggleButton()
        play.add(Gtk.Image.new_from_stock(Gtk.STOCK_MEDIA_PLAY, Gtk.IconSize.LARGE_TOOLBAR))

        self.add(play)

GLib.idle_add(Gtk.Widget.set_default_direction, Gtk.TextDirection.RTL)

win = CellRendererPixbufWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()
