Join all parts with domain. Example domain: https://www.python.org

        :param parts: Other parts, example: "/doc", "/py27"
        :return: url

def join_all(self, *parts):
        """
        Join all parts with domain. Example domain: https://www.python.org

        :param parts: Other parts, example: "/doc", "/py27"
        :return: url
        """
        url = util.join_all(self.domain, *parts)
        return url