__init__.py 文件源码

def _add_media(self, model_admin):

        if not hasattr(model_admin, 'Media'):
            raise ImproperlyConfigured('Add empty Media class to %s. Sorry about this bug.' % model_admin)

        def _get_media(obj):
            return Media(media=getattr(obj, 'Media', None))

        media = _get_media(model_admin) + _get_media(AutocompleteFilter) + _get_media(self)

        for name in MEDIA_TYPES:
            setattr(model_admin.Media, name, getattr(media, "_" + name))