Twitter Tornado sample

gistfile1.py

class AuthTwitterLoginHandler(LoginHandler, tornado.auth.TwitterMixin):
    @tornado.web.asynchronous
    @gen.engine
    def get(self):
        my_url = (self.request.protocol + "://" + self.request.host +
                  "/auth/twitter?next=" +
                  tornado.escape.url_escape(self.get_argument("next", "/")))

        if self.get_argument("oauth_token", None):
            user = yield gen.Task(self.get_authenticated_user)
            if not user:
                raise tornado.web.HTTPError(500, "Twitter auth failed")

            r_user = yield gen.Task(self.upsert_provider, user, "twitter")
            self.set_secure_cookie("user", tornado.escape.json_encode(r_user))
            self.redirect(self.get_argument("next", "/"))

        else:
            self.authenticate_redirect(callback_uri=my_url)