traversal.py 文件源码

def root_factory(request, user_id=None):
    """The factory function for the root context"""
    # OK, this is the old code... I need to do better, but fix first.
    from ..models import Discussion
    if request.matchdict and 'discussion_id' in request.matchdict:
        discussion_id = int(request.matchdict['discussion_id'])
        discussion = Discussion.default_db.query(Discussion).get(discussion_id)
        if not discussion:
            raise HTTPNotFound("No discussion ID %d" % (discussion_id,))
        return discussion
    elif request.matchdict and 'discussion_slug' in request.matchdict:
        discussion_slug = request.matchdict['discussion_slug']
        discussion = Discussion.default_db.query(Discussion).filter_by(
            slug=discussion_slug).first()
        if not discussion:
            raise HTTPNotFound("No discussion named %s" % (discussion_slug,))
        return discussion
    return app_root_factory(request, user_id)