oauth.py 文件源码

def _params_to_urlencoded(params):
    """
    Returns a application/x-www-form-urlencoded ``str`` representing the
    key/value pairs in ``params``.

    Keys are values are ``str()``'d before calling ``urllib.urlencode``, with
    the exception of unicode objects which are utf8-encoded.
    """
    def encode(o):
        if isinstance(o, six.binary_type):
            return o
        else:
            if isinstance(o, six.text_type):
                return o.encode('utf-8')
            else:
                return str(o).encode('utf-8')

    utf8_params = {encode(k): encode(v) for k, v in six.iteritems(params)}
    return url_encode(utf8_params)