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16 import struct
17
18 import dns.exception
19 import dns.rdata
20 import dns.tokenizer
21 from dns._compat import long, text_type
36
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43
44 -class GPOS(dns.rdata.Rdata):
45
46 """GPOS record
47
48 @ivar latitude: latitude
49 @type latitude: string
50 @ivar longitude: longitude
51 @type longitude: string
52 @ivar altitude: altitude
53 @type altitude: string
54 @see: RFC 1712"""
55
56 __slots__ = ['latitude', 'longitude', 'altitude']
57
58 - def __init__(self, rdclass, rdtype, latitude, longitude, altitude):
59 super(GPOS, self).__init__(rdclass, rdtype)
60 if isinstance(latitude, float) or \
61 isinstance(latitude, int) or \
62 isinstance(latitude, long):
63 latitude = str(latitude)
64 if isinstance(longitude, float) or \
65 isinstance(longitude, int) or \
66 isinstance(longitude, long):
67 longitude = str(longitude)
68 if isinstance(altitude, float) or \
69 isinstance(altitude, int) or \
70 isinstance(altitude, long):
71 altitude = str(altitude)
72 latitude = _sanitize(latitude)
73 longitude = _sanitize(longitude)
74 altitude = _sanitize(altitude)
75 _validate_float_string(latitude)
76 _validate_float_string(longitude)
77 _validate_float_string(altitude)
78 self.latitude = latitude
79 self.longitude = longitude
80 self.altitude = altitude
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82 - def to_text(self, origin=None, relativize=True, **kw):
83 return '%s %s %s' % (self.latitude.decode(),
84 self.longitude.decode(),
85 self.altitude.decode())
86
87 @classmethod
88 - def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
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95 - def to_wire(self, file, compress=None, origin=None):
96 l = len(self.latitude)
97 assert l < 256
98 file.write(struct.pack('!B', l))
99 file.write(self.latitude)
100 l = len(self.longitude)
101 assert l < 256
102 file.write(struct.pack('!B', l))
103 file.write(self.longitude)
104 l = len(self.altitude)
105 assert l < 256
106 file.write(struct.pack('!B', l))
107 file.write(self.altitude)
108
109 @classmethod
110 - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
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141 float_latitude = property(_get_float_latitude, _set_float_latitude,
142 doc="latitude as a floating point value")
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150 float_longitude = property(_get_float_longitude, _set_float_longitude,
151 doc="longitude as a floating point value")
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159 float_altitude = property(_get_float_altitude, _set_float_altitude,
160 doc="altitude as a floating point value")
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