How to use the grlc.gquery.rewrite_query function in grlc

'o5': self.build_get_parameter('o5', 'x5'),
            'o6': self.build_get_parameter('o6', 'x6'),
            'o7': self.build_get_parameter('o7', 'x7')
        }
        args = {
            'o1': 'x1',
            'o2': 'x2',
            'o3': 'x3',
            'o4': 'x4',
            'o5': 'x5',
            'o6': 'x6',
            'o7': 'x7'
        }
        # Rewritten query will probably be incorrect because parameters are not
        # carefully constructed, but that is not the scope of this test
        rq_rw = gquery.rewrite_query(rq, parameters, args)

        for pName, pValue in parameters.items():
            self.assertIn(
                pName, rq, 'Original query should contain original parameter name')
            self.assertNotIn(
                pName, rq_rw, 'Rewritten query should not contain original parameter name')
            self.assertNotIn(
                pValue['name'], rq, 'Original query should not contain replacement parameter value')
            self.assertIn(
                pValue['name'], rq_rw, 'Rewritten query should contain replacement parameter value')

return 'No SPARQL endpoint indicated', 407, {}

    glogger.debug("=====================================================")
    glogger.debug("Sending query to SPARQL endpoint: {}".format(endpoint))
    glogger.debug("=====================================================")

    query_metadata = gquery.get_metadata(raw_sparql_query, endpoint)

    acceptHeader = 'application/json' if isinstance(raw_sparql_query, dict) else acceptHeader
    pagination = query_metadata['pagination'] if 'pagination' in query_metadata else ""

    rewritten_query = query_metadata['query']

    # Rewrite query using parameter values
    if query_metadata['type'] == 'SelectQuery' or query_metadata['type'] == 'ConstructQuery':
        rewritten_query = gquery.rewrite_query(query_metadata['original_query'], query_metadata['parameters'], requestArgs)

    # Rewrite query using pagination
    if query_metadata['type'] == 'SelectQuery' and 'pagination' in query_metadata:
        rewritten_query = gquery.paginate_query(rewritten_query, query_metadata['pagination'], requestArgs)

    resp = None
    headers = {}

    # If we have a mime field, we load the remote dump and query it locally
    if 'mime' in query_metadata and query_metadata['mime']:
        glogger.debug(
            "Detected {} MIME type, proceeding with locally loading remote dump".format(query_metadata['mime']))
        g = Graph()
        try:
            query_metadata = gquery.get_metadata(raw_sparql_query, endpoint)
            g.parse(endpoint, format=query_metadata['mime'])