URLUtils.py 文件源码

def replace_qs_param(url, params):
        """ Add GET params to provided URL being aware of existing.
        from: http://stackoverflow.com/a/25580545

        :param url: string of target URL
        :param params: dict containing requested params to be added
        :return: string with updated URL
        """

        url = urllib.unquote(url)
        parsed_url = urlparse(url)
        get_args = parsed_url.query

        # Converting URL arguments to dict and update
        parsed_get_args = dict(parse_qsl(get_args))
        parsed_get_args.update(params)

        # Converting URL argument to proper query string
        encoded_get_args = urllib.urlencode(parsed_get_args, doseq=True)
        new_url = ParseResult(
            parsed_url.scheme, parsed_url.netloc, parsed_url.path,
            parsed_url.params, encoded_get_args, parsed_url.fragment
        ).geturl()

        return new_url