@classmethod
def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
    'Build an rdata object from text format.\n\n        @param rdclass: The rdata class\n        @type rdclass: int\n        @param rdtype: The rdata type\n        @type rdtype: int\n        @param tok: The tokenizer\n        @type tok: dns.tokenizer.Tokenizer\n        @param origin: The origin to use for relative names\n        @type origin: dns.name.Name\n        @param relativize: should names be relativized?\n        @type relativize: bool\n        @rtype: dns.rdata.Rdata instance\n        '
    raise NotImplementedError
Build an rdata object from text format.

@param rdclass: The rdata class
@type rdclass: int
@param rdtype: The rdata type
@type rdtype: int
@param tok: The tokenizer
@type tok: dns.tokenizer.Tokenizer
@param origin: The origin to use for relative names
@type origin: dns.name.Name
@param relativize: should names be relativized?
@type relativize: bool
@rtype: dns.rdata.Rdata instance
@classmethod
def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
    'Build an rdata object from text format.\n\n        @param rdclass: The rdata class\n        @type rdclass: int\n        @param rdtype: The rdata type\n        @type rdtype: int\n        @param tok: The tokenizer\n        @type tok: dns.tokenizer.Tokenizer\n        @param origin: The origin to use for relative names\n        @type origin: dns.name.Name\n        @param relativize: should names be relativized?\n        @type relativize: bool\n        @rtype: dns.rdata.Rdata instance\n        '
    raise NotImplementedError