FM / dns

/usr/lib/python3.9/site-packages/dns

Name	Size	Mode	Actions
dnssecalgs/	-	0755	rm
quic/	-	0755	rm
rdtypes/	-	0755	rm
__pycache__/	-	0755	rm
asyncbackend.py	2796	0644	edit dl rm
asyncquery.py	26850	0644	edit dl rm
asyncresolver.py	17852	0644	edit dl rm
dnssec.py	40693	0644	edit dl rm
dnssectypes.py	1799	0644	edit dl rm
e164.py	3978	0644	edit dl rm
edns.py	15263	0644	edit dl rm
entropy.py	4242	0644	edit dl rm
enum.py	3691	0644	edit dl rm
exception.py	5957	0644	edit dl rm
flags.py	2750	0644	edit dl rm
grange.py	2148	0644	edit dl rm
immutable.py	2017	0644	edit dl rm
inet.py	5772	0644	edit dl rm
ipv4.py	2552	0644	edit dl rm
ipv6.py	6600	0644	edit dl rm
message.py	65993	0644	edit dl rm
name.py	42672	0644	edit dl rm
namedict.py	4000	0644	edit dl rm
nameserver.py	9909	0644	edit dl rm
node.py	12663	0644	edit dl rm
opcode.py	2730	0644	edit dl rm
query.py	54832	0644	edit dl rm
rcode.py	4156	0644	edit dl rm
rdata.py	29456	0644	edit dl rm
rdataclass.py	2984	0644	edit dl rm
rdataset.py	16756	0644	edit dl rm
rdatatype.py	7339	0644	edit dl rm
renderer.py	11254	0644	edit dl rm
resolver.py	73552	0644	edit dl rm
reversename.py	3828	0644	edit dl rm
rrset.py	9170	0644	edit dl rm
serial.py	3606	0644	edit dl rm
set.py	9088	0644	edit dl rm
tokenizer.py	23583	0644	edit dl rm
transaction.py	22636	0644	edit dl rm
tsig.py	11413	0644	edit dl rm
tsigkeyring.py	2633	0644	edit dl rm
ttl.py	2979	0644	edit dl rm
update.py	12243	0644	edit dl rm
version.py	1926	0644	edit dl rm
versioned.py	11765	0644	edit dl rm
win32util.py	9107	0644	edit dl rm
wire.py	2830	0644	edit dl rm
xfr.py	13273	0644	edit dl rm
zone.py	52086	0644	edit dl rm
zonefile.py	27929	0644	edit dl rm
zonetypes.py	690	0644	edit dl rm
_asyncbackend.py	2360	0644	edit dl rm
_asyncio_backend.py	8971	0644	edit dl rm
_ddr.py	5247	0644	edit dl rm
_features.py	2384	0644	edit dl rm
_immutable_ctx.py	2459	0644	edit dl rm
__init__.py	1663	0644	edit dl rm

Edit: /usr/lib/python3.9/site-packages/dns/rrset.py (9170B)

# 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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