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16 import dns.exception
17 import dns.rdata
18 import dns.tokenizer
19
20 -class HINFO(dns.rdata.Rdata):
21 """HINFO record
22
23 @ivar cpu: the CPU type
24 @type cpu: string
25 @ivar os: the OS type
26 @type os: string
27 @see: RFC 1035"""
28
29 __slots__ = ['cpu', 'os']
30
31 - def __init__(self, rdclass, rdtype, cpu, os):
35
36 - def to_text(self, origin=None, relativize=True, **kw):
37 return '"%s" "%s"' % (dns.rdata._escapify(self.cpu),
38 dns.rdata._escapify(self.os))
39
40 - def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
41 cpu = tok.get_string()
42 os = tok.get_string()
43 tok.get_eol()
44 return cls(rdclass, rdtype, cpu, os)
45
46 from_text = classmethod(from_text)
47
48 - def to_wire(self, file, compress = None, origin = None):
49 l = len(self.cpu)
50 assert l < 256
51 byte = chr(l)
52 file.write(byte)
53 file.write(self.cpu)
54 l = len(self.os)
55 assert l < 256
56 byte = chr(l)
57 file.write(byte)
58 file.write(self.os)
59
60 - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
76
77 from_wire = classmethod(from_wire)
78
79 - def _cmp(self, other):
80 v = cmp(self.cpu, other.cpu)
81 if v == 0:
82 v = cmp(self.os, other.os)
83 return v
84