mirror of https://github.com/morpheus65535/bazarr
98 lines
3.2 KiB
Python
98 lines
3.2 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 text_type
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class ISDN(dns.rdata.Rdata):
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"""ISDN record
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@ivar address: the ISDN address
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@type address: string
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@ivar subaddress: the ISDN subaddress (or '' if not present)
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@type subaddress: string
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@see: RFC 1183"""
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__slots__ = ['address', 'subaddress']
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def __init__(self, rdclass, rdtype, address, subaddress):
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super(ISDN, self).__init__(rdclass, rdtype)
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if isinstance(address, text_type):
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self.address = address.encode()
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else:
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self.address = address
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if isinstance(address, text_type):
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self.subaddress = subaddress.encode()
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else:
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self.subaddress = subaddress
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def to_text(self, origin=None, relativize=True, **kw):
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if self.subaddress:
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return '"%s" "%s"' % (dns.rdata._escapify(self.address),
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dns.rdata._escapify(self.subaddress))
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else:
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return '"%s"' % dns.rdata._escapify(self.address)
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@classmethod
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def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
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address = tok.get_string()
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t = tok.get()
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if not t.is_eol_or_eof():
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tok.unget(t)
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subaddress = tok.get_string()
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else:
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tok.unget(t)
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subaddress = ''
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tok.get_eol()
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return cls(rdclass, rdtype, address, subaddress)
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def to_wire(self, file, compress=None, origin=None):
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l = len(self.address)
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assert l < 256
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file.write(struct.pack('!B', l))
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file.write(self.address)
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l = len(self.subaddress)
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if l > 0:
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assert l < 256
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file.write(struct.pack('!B', l))
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file.write(self.subaddress)
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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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address = wire[current: current + l].unwrap()
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current += l
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rdlen -= l
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if rdlen > 0:
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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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subaddress = wire[current: current + l].unwrap()
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else:
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subaddress = ''
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return cls(rdclass, rdtype, address, subaddress)
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