mirror of https://github.com/morpheus65535/bazarr
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
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# 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 binascii
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import dns.exception
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import dns.immutable
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import dns.rdata
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import dns.tokenizer
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@dns.immutable.immutable
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class NSAP(dns.rdata.Rdata):
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"""NSAP record."""
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# see: RFC 1706
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__slots__ = ['address']
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def __init__(self, rdclass, rdtype, address):
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super().__init__(rdclass, rdtype)
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self.address = self._as_bytes(address)
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def to_text(self, origin=None, relativize=True, **kw):
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return "0x%s" % binascii.hexlify(self.address).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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relativize_to=None):
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address = tok.get_string()
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if address[0:2] != '0x':
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raise dns.exception.SyntaxError('string does not start with 0x')
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address = address[2:].replace('.', '')
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if len(address) % 2 != 0:
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raise dns.exception.SyntaxError('hexstring has odd length')
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address = binascii.unhexlify(address.encode())
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return cls(rdclass, rdtype, address)
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def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
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file.write(self.address)
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@classmethod
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def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
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address = parser.get_remaining()
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return cls(rdclass, rdtype, address)
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