Source Code for Module dns.rdtypes.IN.DHCID

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15   
16  import base64 
17   
18  import dns.exception 
19   
20   
21 -class DHCID(dns.rdata.Rdata): 
22   
23      """DHCID record 
24   
25      @ivar data: the data (the content of the RR is opaque as far as the 
26      DNS is concerned) 
27      @type data: string 
28      @see: RFC 4701""" 
29   
30      __slots__ = ['data'] 
31   
32 -    def __init__(self, rdclass, rdtype, data): 
33          super(DHCID, self).__init__(rdclass, rdtype) 
34          self.data = data 
35   
36 -    def to_text(self, origin=None, relativize=True, **kw): 
37          return dns.rdata._base64ify(self.data) 
38   
39      @classmethod 
40 -    def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): 
41          chunks = [] 
42          while 1: 
43              t = tok.get().unescape() 
44              if t.is_eol_or_eof(): 
45                  break 
46              if not t.is_identifier(): 
47                  raise dns.exception.SyntaxError 
48              chunks.append(t.value.encode()) 
49          b64 = b''.join(chunks) 
50          data = base64.b64decode(b64) 
51          return cls(rdclass, rdtype, data) 
52   
53 -    def to_wire(self, file, compress=None, origin=None): 
54          file.write(self.data) 
55   
56      @classmethod 
57 -    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): 
58          data = wire[current: current + rdlen].unwrap() 
59          return cls(rdclass, rdtype, data) 
60