views.py 文件源码

def get(self, request):
        if not request.user.is_authenticated():
            result = unauthorized_response()
        else:
            # FIXME: not sure what best default behavior is
            result = HttpResponseNotFound()
            return_url = lti_launch_return_url(request.user)
            if return_url:
                parsed = urlparse(return_url)
                launch_q = list(parse_qs(parsed.query).items())
                return_q = list(request.GET.items())
                new_q = urlencode(launch_q + return_q, doseq=True)
                url = urlunparse(
                    (parsed[0],
                     parsed[1],
                     parsed[2],
                     parsed[3],
                     new_q,
                     parsed[5]))
                result = HttpResponseRedirect(url, status=303)
        return result