def get_collation(self):
        buf = readall(self, Collation.wire_size)
        return Collation.unpack(buf)
Convert ipv6 string to packed bytes.
dataset/ETHPy150Open denisenkom/pytds/pytds/tds.py/_TdsReader.get_collation--crossover with--dataset/ETHPy150Open google/grr/grr/lib/ipv6_utils.py/InetAtoN