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

 1  # Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. 
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15   
16  import dns.exception 
17  import dns.rdata 
18  import dns.name 
19   
20 -class RP(dns.rdata.Rdata):
21 """RP record 22 23 @ivar mbox: The responsible person's mailbox 24 @type mbox: dns.name.Name object 25 @ivar txt: The owner name of a node with TXT records, or the root name 26 if no TXT records are associated with this RP. 27 @type txt: dns.name.Name object 28 @see: RFC 1183""" 29 30 __slots__ = ['mbox', 'txt'] 31
32 - def __init__(self, rdclass, rdtype, mbox, txt):
33 super(RP, self).__init__(rdclass, rdtype) 34 self.mbox = mbox 35 self.txt = txt
36
37 - def to_text(self, origin=None, relativize=True, **kw):
38 mbox = self.mbox.choose_relativity(origin, relativize) 39 txt = self.txt.choose_relativity(origin, relativize) 40 return "%s %s" % (str(mbox), str(txt))
41
42 - def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
49 50 from_text = classmethod(from_text) 51
52 - def to_wire(self, file, compress = None, origin = None):
53 self.mbox.to_wire(file, None, origin) 54 self.txt.to_wire(file, None, origin)
55
56 - def to_digestable(self, origin = None):
57 return self.mbox.to_digestable(origin) + \ 58 self.txt.to_digestable(origin)
59
60 - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
61 (mbox, cused) = dns.name.from_wire(wire[: current + rdlen], 62 current) 63 current += cused 64 rdlen -= cused 65 if rdlen <= 0: 66 raise dns.exception.FormError 67 (txt, cused) = dns.name.from_wire(wire[: current + rdlen], 68 current) 69 if cused != rdlen: 70 raise dns.exception.FormError 71 if not origin is None: 72 mbox = mbox.relativize(origin) 73 txt = txt.relativize(origin) 74 return cls(rdclass, rdtype, mbox, txt)
75 76 from_wire = classmethod(from_wire) 77
78 - def choose_relativity(self, origin = None, relativize = True):
81
82 - def _cmp(self, other):
83 v = cmp(self.mbox, other.mbox) 84 if v == 0: 85 v = cmp(self.txt, other.txt) 86 return v
87