__init__.py 文件源码

def _get_org(self, ipnum):
        """
        Seek and return organization (or ISP) name for converted IP addr.
        @param ipnum: Converted IP address
        @type ipnum: int
        @return: org/isp name
        @rtype: str
        """

        seek_org = self._seek_country(ipnum)
        if seek_org == self._databaseSegments:
            return None

        record_pointer = seek_org + (2 * self._recordLength - 1) * self._databaseSegments

        self._filehandle.seek(record_pointer, os.SEEK_SET)

        org_buf = self._filehandle.read(const.MAX_ORG_RECORD_LENGTH)

        return org_buf[:org_buf.index(chr(0))]