def authenticate_redirect(self, callback_uri=None,
                              ask_for=["name", "email", "language", "username"]):
        callback_uri = callback_uri or request.url
        args = self._openid_args(callback_uri, ax_attrs=ask_for)
        return redirect(self._OPENID_ENDPOINT +
                        ("&" if "?" in self._OPENID_ENDPOINT else "?") +
                        urllib.urlencode(args))
Performs a redirect to the authentication URL for this service.
dataset/ETHPy150Open sashka/flask-googleauth/flask_googleauth.py/OpenIdMixin.authenticate_redirect