@wraps(urlparse_buggy)
def urlparse(urlstring, scheme='', allow_fragments=True, *args, **kwargs):
    """A wrapper for :py:func:`urlparse.urlparse` with the following
    differences:

    * Handles buckets in S3 URIs correctly. (:py:func:`~urlparse.urlparse`
      does this correctly sometime after 2.6.1; this is just a patch for older
      Python versions.)
    * Splits the fragment correctly in all URIs, not just Web-related ones.
      This behavior was fixed in the Python 2.7.4 standard library but we have
      to back-port it for previous versions.
    """
    # we're probably going to mess with at least one of these values and
    # re-pack the whole thing before we return it.
    # NB: urlparse_buggy()'s second argument changes names from
    # 'default_scheme' to 'scheme' in Python 2.6, so urlparse_buggy() should
    # be called with positional arguments.
    (scheme, netloc, path, params, query, fragment) = (
        urlparse_buggy(urlstring, scheme, allow_fragments, *args, **kwargs))
    if netloc == '' and path.startswith('//'):
        m = _NETLOC_RE.match(path)
        netloc = m.group(1)
        path = m.group(2)
    if allow_fragments and '#' in path and not fragment:
        path, fragment = path.split('#', 1)
    return ParseResult(scheme, netloc, path, params, query, fragment)


### OPTION PARSING ###
dataset/ETHPy150Open Yelp/mrjob/mrjob/parse.py/urlparse/original