client.py 文件源码

def request_challenges(self, identifier, new_authzr_uri=None):
        """Request challenges.

        :param .messages.Identifier identifier: Identifier to be challenged.
        :param str new_authzr_uri: ``new-authorization`` URI. If omitted,
            will default to value found in ``directory``.

        :returns: Authorization Resource.
        :rtype: `.AuthorizationResource`

        """
        new_authz = messages.NewAuthorization(identifier=identifier)
        response = self.net.post(self.directory.new_authz
                                 if new_authzr_uri is None else new_authzr_uri,
                                 new_authz)
        # TODO: handle errors
        assert response.status_code == http_client.CREATED
        return self._authzr_from_response(response, identifier)