label = Gtk.Label(
    'This is a dialog to display additional information, with a bunch of text in it just to make sure it will wrap enough for demonstration purposes'
    )
label.set_line_wrap(True)
label.set_size_request(250, -1)
table = Gtk.Table(1, 1, False)
table.attach(label, 0, 1, 0, 1, Gtk.AttachOptions.SHRINK | Gtk.
    AttachOptions.FILL)
Обтекание метки GTK в диалоговом окне