keep synced /desktop/ibus/general/preload-engines with /org/gnome/desktop/input-sources/sources

sync-ibus.py

#!/usr/bin/python

from gi.repository import Gtk, Gio, GLib

IBUS_TO_GNOME = {'xkb:us::eng': ('xkbd', 'us'),
                 'xkb:us:intl:eng': ('xkbd', 'us+intl')}


def on_changed(settings, key):
    if key != 'engines-order':
        return

    ibus_sources = settings.get_strv('preload-engines')

    new_values = []
    for src in ibus_sources:
        new_values.append(IBUS_TO_GNOME[src])

    print "ibus_sources:", ibus_sources
    print "new_values:", new_values

    gnome_input = Gio.Settings.new("org.gnome.desktop.input-sources")
    gnome_input.set_value('sources', GLib.Variant('a(ss)', new_values))
    gnome_input.set_uint('current', 0)


setting = Gio.Settings.new("org.freedesktop.ibus.general")
setting.connect('changed', on_changed)

Gtk.main()