client.py 文件源码

def query(self, hostname, type='A', dnssec=True):
        assert utils.validate_hostname(hostname)
        assert utils.validate_rr_type(type)

        if (type in ('PTR', RR['PTR']) and
            not (hostname.endswith('.in-addr.arpa') or
                 hostname.endswith('.in-addr.arpa.'))):
            hostname = '%s.in-addr.arpa' % (hostname)

        params = self.build_params(hostname, type, dnssec)
        url = '%s?%s' % (self.server, params)
        req = self.session.request('GET', url,
                                   headers=PublicDNS.default_headers)
        resp = self.session.get_response(req)
        if resp.status != 200:
            raise InvalidHTTPStatusCode
        body = resp.read()
        json = load_json(body)
        obj = utils.populate_response(json)
        return obj