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?? ..
?? __init__.py(1.62 KB)
?? __pycache__
?? _asyncbackend.py(2.34 KB)
?? _asyncio_backend.py(8.84 KB)
?? _ddr.py(5.12 KB)
?? _features.py(2.43 KB)
?? _immutable_ctx.py(2.4 KB)
?? _trio_backend.py(8.27 KB)
?? asyncbackend.py(2.73 KB)
?? asyncquery.py(30.1 KB)
?? asyncresolver.py(17.43 KB)
?? dnssec.py(40.74 KB)
?? dnssecalgs
?? dnssectypes.py(1.76 KB)
?? e164.py(3.88 KB)
?? edns.py(16.69 KB)
?? entropy.py(4.14 KB)
?? enum.py(3.6 KB)
?? exception.py(5.81 KB)
?? flags.py(2.69 KB)
?? grange.py(2.09 KB)
?? immutable.py(1.97 KB)
?? inet.py(5.64 KB)
?? ipv4.py(2.49 KB)
?? ipv6.py(6.4 KB)
?? message.py(66.59 KB)
?? name.py(41.78 KB)
?? namedict.py(3.91 KB)
?? nameserver.py(9.88 KB)
?? node.py(12.37 KB)
?? opcode.py(2.67 KB)
?? py.typed(0 B)
?? query.py(54.98 KB)
?? quic
?? rcode.py(4.06 KB)
?? rdata.py(30.29 KB)
?? rdataclass.py(2.91 KB)
?? rdataset.py(16.27 KB)
?? rdatatype.py(7.27 KB)
?? rdtypes
?? renderer.py(10.99 KB)
?? resolver.py(72 KB)
?? reversename.py(3.74 KB)
?? rrset.py(8.96 KB)
?? serial.py(3.52 KB)
?? set.py(9 KB)
?? tokenizer.py(23.03 KB)
?? transaction.py(22.06 KB)
?? tsig.py(11.15 KB)
?? tsigkeyring.py(2.57 KB)
?? ttl.py(2.91 KB)
?? update.py(11.96 KB)
?? version.py(1.88 KB)
?? versioned.py(11.49 KB)
?? win32util.py(8.67 KB)
?? wire.py(2.76 KB)
?? xfr.py(12.96 KB)
?? zone.py(50.87 KB)
?? zonefile.py(27.27 KB)
?? zonetypes.py(690 B)

Editing: rrset.py

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

# Copyright (C) 2003-2017 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""DNS RRsets (an RRset is a named rdataset)"""

from typing import Any, Collection, Dict, Optional, Union, cast

import dns.name
import dns.rdataclass
import dns.rdataset
import dns.renderer

class RRset(dns.rdataset.Rdataset):
    """A DNS RRset (named rdataset).

RRset inherits from Rdataset, and RRsets can be treated as
    Rdatasets in most cases.  There are, however, a few notable
    exceptions.  RRsets have different to_wire() and to_text() method
    arguments, reflecting the fact that RRsets always have an owner
    name.
    """

__slots__ = ["name", "deleting"]

def __init__(
        self,
        name: dns.name.Name,
        rdclass: dns.rdataclass.RdataClass,
        rdtype: dns.rdatatype.RdataType,
        covers: dns.rdatatype.RdataType = dns.rdatatype.NONE,
        deleting: Optional[dns.rdataclass.RdataClass] = None,
    ):
        """Create a new RRset."""

super().__init__(rdclass, rdtype, covers)
        self.name = name
        self.deleting = deleting

def _clone(self):
        obj = super()._clone()
        obj.name = self.name
        obj.deleting = self.deleting
        return obj

def __repr__(self):
        if self.covers == 0:
            ctext = ""
        else:
            ctext = "(" + dns.rdatatype.to_text(self.covers) + ")"
        if self.deleting is not None:
            dtext = " delete=" + dns.rdataclass.to_text(self.deleting)
        else:
            dtext = ""
        return (
            "<DNS "
            + str(self.name)
            + " "
            + dns.rdataclass.to_text(self.rdclass)
            + " "
            + dns.rdatatype.to_text(self.rdtype)
            + ctext
            + dtext
            + " RRset: "
            + self._rdata_repr()
            + ">"
        )

def __str__(self):
        return self.to_text()

def __eq__(self, other):
        if isinstance(other, RRset):
            if self.name != other.name:
                return False
        elif not isinstance(other, dns.rdataset.Rdataset):
            return False
        return super().__eq__(other)

def match(self, *args: Any, **kwargs: Any) -> bool:  # type: ignore[override]
        """Does this rrset match the specified attributes?

Behaves as :py:func:`full_match()` if the first argument is a
        ``dns.name.Name``, and as :py:func:`dns.rdataset.Rdataset.match()`
        otherwise.

(This behavior fixes a design mistake where the signature of this
        method became incompatible with that of its superclass.  The fix
        makes RRsets matchable as Rdatasets while preserving backwards
        compatibility.)
        """
        if isinstance(args[0], dns.name.Name):
            return self.full_match(*args, **kwargs)  # type: ignore[arg-type]
        else:
            return super().match(*args, **kwargs)  # type: ignore[arg-type]

def full_match(
        self,
        name: dns.name.Name,
        rdclass: dns.rdataclass.RdataClass,
        rdtype: dns.rdatatype.RdataType,
        covers: dns.rdatatype.RdataType,
        deleting: Optional[dns.rdataclass.RdataClass] = None,
    ) -> bool:
        """Returns ``True`` if this rrset matches the specified name, class,
        type, covers, and deletion state.
        """
        if not super().match(rdclass, rdtype, covers):
            return False
        if self.name != name or self.deleting != deleting:
            return False
        return True

# pylint: disable=arguments-differ

def to_text(  # type: ignore[override]
        self,
        origin: Optional[dns.name.Name] = None,
        relativize: bool = True,
        **kw: Dict[str, Any],
    ) -> str:
        """Convert the RRset into DNS zone file format.

See ``dns.name.Name.choose_relativity`` for more information
        on how *origin* and *relativize* determine the way names
        are emitted.

Any additional keyword arguments are passed on to the rdata
        ``to_text()`` method.

*origin*, a ``dns.name.Name`` or ``None``, the origin for relative
        names.

*relativize*, a ``bool``.  If ``True``, names will be relativized
        to *origin*.
        """

return super().to_text(
            self.name, origin, relativize, self.deleting, **kw  # type: ignore
        )

def to_wire(  # type: ignore[override]
        self,
        file: Any,
        compress: Optional[dns.name.CompressType] = None,  # type: ignore
        origin: Optional[dns.name.Name] = None,
        **kw: Dict[str, Any],
    ) -> int:
        """Convert the RRset to wire format.

All keyword arguments are passed to ``dns.rdataset.to_wire()``; see
        that function for details.

Returns an ``int``, the number of records emitted.
        """

return super().to_wire(
            self.name, file, compress, origin, self.deleting, **kw  # type:ignore
        )

# pylint: enable=arguments-differ

def to_rdataset(self) -> dns.rdataset.Rdataset:
        """Convert an RRset into an Rdataset.

Returns a ``dns.rdataset.Rdataset``.
        """
        return dns.rdataset.from_rdata_list(self.ttl, list(self))

def from_text_list(
    name: Union[dns.name.Name, str],
    ttl: int,
    rdclass: Union[dns.rdataclass.RdataClass, str],
    rdtype: Union[dns.rdatatype.RdataType, str],
    text_rdatas: Collection[str],
    idna_codec: Optional[dns.name.IDNACodec] = None,
    origin: Optional[dns.name.Name] = None,
    relativize: bool = True,
    relativize_to: Optional[dns.name.Name] = None,
) -> RRset:
    """Create an RRset with the specified name, TTL, class, and type, and with
    the specified list of rdatas in text format.

*idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA
    encoder/decoder to use; if ``None``, the default IDNA 2003
    encoder/decoder is used.

*origin*, a ``dns.name.Name`` (or ``None``), the
    origin to use for relative names.

*relativize*, a ``bool``.  If true, name will be relativized.

*relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use
    when relativizing names.  If not set, the *origin* value will be used.

Returns a ``dns.rrset.RRset`` object.
    """

if isinstance(name, str):
        name = dns.name.from_text(name, None, idna_codec=idna_codec)
    rdclass = dns.rdataclass.RdataClass.make(rdclass)
    rdtype = dns.rdatatype.RdataType.make(rdtype)
    r = RRset(name, rdclass, rdtype)
    r.update_ttl(ttl)
    for t in text_rdatas:
        rd = dns.rdata.from_text(
            r.rdclass, r.rdtype, t, origin, relativize, relativize_to, idna_codec
        )
        r.add(rd)
    return r

def from_text(
    name: Union[dns.name.Name, str],
    ttl: int,
    rdclass: Union[dns.rdataclass.RdataClass, str],
    rdtype: Union[dns.rdatatype.RdataType, str],
    *text_rdatas: Any,
) -> RRset:
    """Create an RRset with the specified name, TTL, class, and type and with
    the specified rdatas in text format.

Returns a ``dns.rrset.RRset`` object.
    """

return from_text_list(
        name, ttl, rdclass, rdtype, cast(Collection[str], text_rdatas)
    )

def from_rdata_list(
    name: Union[dns.name.Name, str],
    ttl: int,
    rdatas: Collection[dns.rdata.Rdata],
    idna_codec: Optional[dns.name.IDNACodec] = None,
) -> RRset:
    """Create an RRset with the specified name and TTL, and with
    the specified list of rdata objects.

*idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA
    encoder/decoder to use; if ``None``, the default IDNA 2003
    encoder/decoder is used.

Returns a ``dns.rrset.RRset`` object.

"""

if isinstance(name, str):
        name = dns.name.from_text(name, None, idna_codec=idna_codec)

if len(rdatas) == 0:
        raise ValueError("rdata list must not be empty")
    r = None
    for rd in rdatas:
        if r is None:
            r = RRset(name, rd.rdclass, rd.rdtype)
            r.update_ttl(ttl)
        r.add(rd)
    assert r is not None
    return r

def from_rdata(name: Union[dns.name.Name, str], ttl: int, *rdatas: Any) -> RRset:
    """Create an RRset with the specified name and TTL, and with
    the specified rdata objects.

Returns a ``dns.rrset.RRset`` object.
    """

return from_rdata_list(name, ttl, cast(Collection[dns.rdata.Rdata], rdatas))

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