encoding.py 文件源码

def uri_to_iri(uri):
    """
    Converts a Uniform Resource Identifier(URI) into an Internationalized
    Resource Identifier(IRI).

    This is the algorithm from section 3.2 of RFC 3987.

    Takes an URI in ASCII bytes (e.g. '/I%20%E2%99%A5%20Django/') and returns
    unicode containing the encoded result (e.g. '/I \xe2\x99\xa5 Django/').
    """
    if uri is None:
        return uri
    uri = force_bytes(uri)
    iri = unquote_to_bytes(uri) if six.PY3 else unquote(uri)
    return repercent_broken_unicode(iri).decode('utf-8')