def to_wire(self, file, compress=None, origin=None):
    'Convert an rdata to wire format.\n        @rtype: string\n        '
    raise NotImplementedError
Convert an rdata to wire format.
@rtype: string
def to_wire(self, file, compress=None, origin=None):
    'Convert an rdata to wire format.\n        @rtype: string\n        '
    raise NotImplementedError