Source code for pytomo.dns.rdtypes.IN.NSAP
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from __future__ import absolute_import
from ... import exception as dns_exception
from ... import rdata as dns_rdata
#from ... import tokenizer as dns_tokenizer
[docs]class NSAP(dns_rdata.Rdata):
"""NSAP record.
@ivar address: a NASP
@type address: string
@see: RFC 1706"""
__slots__ = ['address']
def __init__(self, rdclass, rdtype, address):
super(NSAP, self).__init__(rdclass, rdtype)
self.address = address
[docs] def to_text(self, origin=None, relativize=True, **kw):
return "0x%s" % self.address.encode('hex_codec')
[docs] def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
address = tok.get_string()
t = tok.get_eol()
if address[0:2] != '0x':
raise dns_exception.SyntaxError('string does not start with 0x')
address = address[2:].replace('.', '')
if len(address) % 2 != 0:
raise dns_exception.SyntaxError('hexstring has odd length')
address = address.decode('hex_codec')
return cls(rdclass, rdtype, address)
from_text = classmethod(from_text)
[docs] def to_wire(self, file, compress = None, origin = None):
file.write(self.address)
[docs] def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
address = wire[current : current + rdlen]
return cls(rdclass, rdtype, address)
from_wire = classmethod(from_wire)
def _cmp(self, other):
return cmp(self.address, other.address)