Use handy request.build_absolute_uri() method on request, pass it the relative url and it'll give you full one.
By default, the absolute URL for request.get_full_path()
is returned, but you can pass it a relative URL as the first argument to convert it to an absolute URL.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…