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16 import dns.exception
17 import dns.rdata
18 import dns.tokenizer
19
20 -class ISDN(dns.rdata.Rdata):
21 """ISDN record
22
23 @ivar address: the ISDN address
24 @type address: string
25 @ivar subaddress: the ISDN subaddress (or '' if not present)
26 @type subaddress: string
27 @see: RFC 1183"""
28
29 __slots__ = ['address', 'subaddress']
30
31 - def __init__(self, rdclass, rdtype, address, subaddress):
35
36 - def to_text(self, origin=None, relativize=True, **kw):
37 if self.subaddress:
38 return '"%s" "%s"' % (dns.rdata._escapify(self.address),
39 dns.rdata._escapify(self.subaddress))
40 else:
41 return '"%s"' % dns.rdata._escapify(self.address)
42
43 - def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
44 address = tok.get_string()
45 t = tok.get()
46 if not t.is_eol_or_eof():
47 tok.unget(t)
48 subaddress = tok.get_string()
49 else:
50 tok.unget(t)
51 subaddress = ''
52 tok.get_eol()
53 return cls(rdclass, rdtype, address, subaddress)
54
55 from_text = classmethod(from_text)
56
57 - def to_wire(self, file, compress = None, origin = None):
58 l = len(self.address)
59 assert l < 256
60 byte = chr(l)
61 file.write(byte)
62 file.write(self.address)
63 l = len(self.subaddress)
64 if l > 0:
65 assert l < 256
66 byte = chr(l)
67 file.write(byte)
68 file.write(self.subaddress)
69
70 - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
89
90 from_wire = classmethod(from_wire)
91
92 - def _cmp(self, other):
97