How to use the pyreferrer.ruleset.Ruleset function in pyreferrer

(['FBAV', 'Facebook', 'FBAN', 'FB_IAB'], {'tld': 'com', 'domain': 'facebook', 'url': 'facebook://facebook.com', 'registered_domain': 'facebook.com'}),
        (['Instagram'], {'tld': 'com', 'domain': 'instagram', 'url': 'instagram://instagram.com', 'registered_domain': 'instagram.com'}),
    ]

    BLANK_REFERRER = {
        'type': Types.INVALID,
        'url': '',
        'subdomain': '',
        'domain': '',
        'label': '',
        'tld': '',
        'path': '',
        'query': ''
    }

    rules = Ruleset().rules

    @staticmethod
    def parse_query_string(url, parameters):
        if not parameters:
            return ''

        url_query = url.query
        if six.PY2:
            url_query = url_query.encode('utf-8')
        query_params = parse_qs(url_query, keep_blank_values=True)
        query_common = set.intersection(set(query_params.keys()), set(parameters))
        fragment_params = parse_qs(url.fragment, keep_blank_values=True)
        fragment_common = set.intersection(set(fragment_params.keys()), set(parameters))
        query = ''
        if len(query_common) > 0:
            query = query_params[list(query_common)[0]][0]

(['Pinterest'],        {'tld': 'com', 'domain': 'pinterest', 'url': 'pinterest://pinterest.com', 'registered_domain': 'pinterest.com'}),
            (['FBAV', 'Facebook'], {'tld': 'com', 'domain': 'facebook', 'url': 'facebook://facebook.com', 'registered_domain': 'facebook.com'}),
    ]

    BLANK_REFERRER = {
        'type': Types.INVALID,
        'url': '',
        'subdomain': '',
        'domain': '',
        'label': '',
        'tld': '',
        'path': '',
        'query': ''
    }

    rules = Ruleset().rules

    @staticmethod
    def parse_query_string(url, parameters):
        if not parameters:
            return ''

        query_params = parse_qs(url.query, keep_blank_values=True)
        query_common = set.intersection(set(query_params.keys()), set(parameters))
        fragment_params = parse_qs(url.fragment, keep_blank_values=True)
        fragment_common = set.intersection(set(fragment_params.keys()), set(parameters))
        query = ''
        if len(query_common) > 0:
            query = query_params[list(query_common)[0]][0]
        elif len(fragment_common) > 0:
            query = fragment_params[list(fragment_common)[0]][0]
        elif '*' in parameters: