def media_previous_track(self):
        self._lms.query(self._id, 'playlist', 'index', '-1')
        self.update_ha_state()
This will store the current language layout in the context.
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/media_player/squeezebox.py/SqueezeBoxDevice.media_previous_track--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/_internal/django/templatetags/i18n.py/do_get_current_language_bidi