'Create TagList objects from simple string tags.
:param context: security context.
:param tags: simple string tags from API request.
:returns: TagList object.'

def _create_tag_list_obj(self, context, tags):

    tag_list = [objects.Tag(context=context, tag=t) for t in tags]
    tag_list_obj = objects.TagList(objects=tag_list)
    return tag_list_obj
