mirror of https://github.com/morpheus65535/bazarr
161 lines
5.2 KiB
Python
161 lines
5.2 KiB
Python
# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
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#
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# Permission to use, copy, modify, and distribute this software and its
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# documentation for any purpose with or without fee is hereby granted,
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# provided that the above copyright notice and this permission notice
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# appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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import struct
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import dns.exception
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import dns.rdata
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import dns.tokenizer
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from dns._compat import long, text_type
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def _validate_float_string(what):
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if what[0] == b'-'[0] or what[0] == b'+'[0]:
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what = what[1:]
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if what.isdigit():
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return
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(left, right) = what.split(b'.')
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if left == b'' and right == b'':
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raise dns.exception.FormError
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if not left == b'' and not left.decode().isdigit():
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raise dns.exception.FormError
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if not right == b'' and not right.decode().isdigit():
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raise dns.exception.FormError
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def _sanitize(value):
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if isinstance(value, text_type):
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return value.encode()
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return value
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class GPOS(dns.rdata.Rdata):
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"""GPOS record
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@ivar latitude: latitude
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@type latitude: string
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@ivar longitude: longitude
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@type longitude: string
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@ivar altitude: altitude
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@type altitude: string
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@see: RFC 1712"""
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__slots__ = ['latitude', 'longitude', 'altitude']
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def __init__(self, rdclass, rdtype, latitude, longitude, altitude):
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super(GPOS, self).__init__(rdclass, rdtype)
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if isinstance(latitude, float) or \
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isinstance(latitude, int) or \
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isinstance(latitude, long):
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latitude = str(latitude)
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if isinstance(longitude, float) or \
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isinstance(longitude, int) or \
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isinstance(longitude, long):
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longitude = str(longitude)
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if isinstance(altitude, float) or \
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isinstance(altitude, int) or \
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isinstance(altitude, long):
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altitude = str(altitude)
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latitude = _sanitize(latitude)
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longitude = _sanitize(longitude)
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altitude = _sanitize(altitude)
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_validate_float_string(latitude)
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_validate_float_string(longitude)
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_validate_float_string(altitude)
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self.latitude = latitude
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self.longitude = longitude
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self.altitude = altitude
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def to_text(self, origin=None, relativize=True, **kw):
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return '%s %s %s' % (self.latitude.decode(),
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self.longitude.decode(),
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self.altitude.decode())
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@classmethod
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def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
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latitude = tok.get_string()
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longitude = tok.get_string()
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altitude = tok.get_string()
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tok.get_eol()
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return cls(rdclass, rdtype, latitude, longitude, altitude)
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def to_wire(self, file, compress=None, origin=None):
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l = len(self.latitude)
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assert l < 256
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file.write(struct.pack('!B', l))
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file.write(self.latitude)
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l = len(self.longitude)
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assert l < 256
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file.write(struct.pack('!B', l))
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file.write(self.longitude)
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l = len(self.altitude)
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assert l < 256
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file.write(struct.pack('!B', l))
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file.write(self.altitude)
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@classmethod
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def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
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l = wire[current]
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current += 1
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rdlen -= 1
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if l > rdlen:
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raise dns.exception.FormError
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latitude = wire[current: current + l].unwrap()
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current += l
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rdlen -= l
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l = wire[current]
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current += 1
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rdlen -= 1
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if l > rdlen:
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raise dns.exception.FormError
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longitude = wire[current: current + l].unwrap()
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current += l
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rdlen -= l
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l = wire[current]
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current += 1
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rdlen -= 1
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if l != rdlen:
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raise dns.exception.FormError
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altitude = wire[current: current + l].unwrap()
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return cls(rdclass, rdtype, latitude, longitude, altitude)
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def _get_float_latitude(self):
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return float(self.latitude)
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def _set_float_latitude(self, value):
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self.latitude = str(value)
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float_latitude = property(_get_float_latitude, _set_float_latitude,
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doc="latitude as a floating point value")
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def _get_float_longitude(self):
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return float(self.longitude)
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def _set_float_longitude(self, value):
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self.longitude = str(value)
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float_longitude = property(_get_float_longitude, _set_float_longitude,
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doc="longitude as a floating point value")
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def _get_float_altitude(self):
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return float(self.altitude)
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def _set_float_altitude(self, value):
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self.altitude = str(value)
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float_altitude = property(_get_float_altitude, _set_float_altitude,
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doc="altitude as a floating point value")
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