mirror of https://github.com/morpheus65535/bazarr
65 lines
2.3 KiB
Python
65 lines
2.3 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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"""NS-like base classes."""
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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.name
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@dns.immutable.immutable
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class NSBase(dns.rdata.Rdata):
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"""Base class for rdata that is like an NS record."""
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__slots__ = ['target']
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def __init__(self, rdclass, rdtype, target):
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super().__init__(rdclass, rdtype)
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self.target = self._as_name(target)
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def to_text(self, origin=None, relativize=True, **kw):
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target = self.target.choose_relativity(origin, relativize)
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return str(target)
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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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target = tok.get_name(origin, relativize, relativize_to)
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return cls(rdclass, rdtype, target)
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def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
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self.target.to_wire(file, compress, origin, canonicalize)
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@classmethod
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def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
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target = parser.get_name(origin)
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return cls(rdclass, rdtype, target)
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@dns.immutable.immutable
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class UncompressedNS(NSBase):
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"""Base class for rdata that is like an NS record, but whose name
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is not compressed when convert to DNS wire format, and whose
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digestable form is not downcased."""
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def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
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self.target.to_wire(file, None, origin, False)
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