def post(self): username = self.get_argument('username', None) password = self.get_argument('password', None) if not username or not password: self.redirect('/?errorlogin=required') account = UserService.verify_user(username, password) if not account: self.redirect('/?errorlogin=nologin') self.set_secure_cookie("_ur", json.dumps(account)) self.redirect('/dashboard')