Package dns :: Package rdtypes :: Package ANY :: Module HINFO
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Source Code for Module dns.rdtypes.ANY.HINFO

 1  # Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. 
 2  # 
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15   
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):
32 super(HINFO, self).__init__(rdclass, rdtype) 33 self.cpu = cpu 34 self.os = 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):
61 l = ord(wire[current]) 62 current += 1 63 rdlen -= 1 64 if l > rdlen: 65 raise dns.exception.FormError 66 cpu = wire[current : current + l].unwrap() 67 current += l 68 rdlen -= l 69 l = ord(wire[current]) 70 current += 1 71 rdlen -= 1 72 if l != rdlen: 73 raise dns.exception.FormError 74 os = wire[current : current + l].unwrap() 75 return cls(rdclass, rdtype, cpu, os)
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