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18 import struct
19
20 import dns.exception
21 import dns.rdata
22 import dns.tokenizer
23 from dns._compat import long, text_type
38
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45
46 -class GPOS(dns.rdata.Rdata):
47
48 """GPOS record
49
50 @ivar latitude: latitude
51 @type latitude: string
52 @ivar longitude: longitude
53 @type longitude: string
54 @ivar altitude: altitude
55 @type altitude: string
56 @see: RFC 1712"""
57
58 __slots__ = ['latitude', 'longitude', 'altitude']
59
60 - def __init__(self, rdclass, rdtype, latitude, longitude, altitude):
61 super(GPOS, self).__init__(rdclass, rdtype)
62 if isinstance(latitude, float) or \
63 isinstance(latitude, int) or \
64 isinstance(latitude, long):
65 latitude = str(latitude)
66 if isinstance(longitude, float) or \
67 isinstance(longitude, int) or \
68 isinstance(longitude, long):
69 longitude = str(longitude)
70 if isinstance(altitude, float) or \
71 isinstance(altitude, int) or \
72 isinstance(altitude, long):
73 altitude = str(altitude)
74 latitude = _sanitize(latitude)
75 longitude = _sanitize(longitude)
76 altitude = _sanitize(altitude)
77 _validate_float_string(latitude)
78 _validate_float_string(longitude)
79 _validate_float_string(altitude)
80 self.latitude = latitude
81 self.longitude = longitude
82 self.altitude = altitude
83
84 - def to_text(self, origin=None, relativize=True, **kw):
85 return '{} {} {}'.format(self.latitude.decode(),
86 self.longitude.decode(),
87 self.altitude.decode())
88
89 @classmethod
90 - def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
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97 - def to_wire(self, file, compress=None, origin=None):
98 l = len(self.latitude)
99 assert l < 256
100 file.write(struct.pack('!B', l))
101 file.write(self.latitude)
102 l = len(self.longitude)
103 assert l < 256
104 file.write(struct.pack('!B', l))
105 file.write(self.longitude)
106 l = len(self.altitude)
107 assert l < 256
108 file.write(struct.pack('!B', l))
109 file.write(self.altitude)
110
111 @classmethod
112 - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
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143 float_latitude = property(_get_float_latitude, _set_float_latitude,
144 doc="latitude as a floating point value")
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152 float_longitude = property(_get_float_longitude, _set_float_longitude,
153 doc="longitude as a floating point value")
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161 float_altitude = property(_get_float_altitude, _set_float_altitude,
162 doc="altitude as a floating point value")
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