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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-04-04 08:00
dnssecalgs	[ DIR ]	drwxr-xr-x	2025-04-04 08:00
quic	[ DIR ]	drwxr-xr-x	2025-04-04 08:00
rdtypes	[ DIR ]	drwxr-xr-x	2025-04-04 08:00
__init__.py	1.62 KB	-rw-r--r--	2025-04-04 08:00
_asyncbackend.py	2.34 KB	-rw-r--r--	2025-04-04 08:00
_asyncio_backend.py	8.84 KB	-rw-r--r--	2025-04-04 08:00
_ddr.py	5.12 KB	-rw-r--r--	2025-04-04 08:00
_features.py	2.43 KB	-rw-r--r--	2025-04-04 08:00
_immutable_ctx.py	2.4 KB	-rw-r--r--	2025-04-04 08:00
_trio_backend.py	8.27 KB	-rw-r--r--	2025-04-04 08:00
asyncbackend.py	2.73 KB	-rw-r--r--	2025-04-04 08:00
asyncquery.py	30.1 KB	-rw-r--r--	2025-04-04 08:00
asyncresolver.py	17.43 KB	-rw-r--r--	2025-04-04 08:00
dnssec.py	40.74 KB	-rw-r--r--	2025-04-04 08:00
dnssectypes.py	1.76 KB	-rw-r--r--	2025-04-04 08:00
e164.py	3.88 KB	-rw-r--r--	2025-04-04 08:00
edns.py	16.69 KB	-rw-r--r--	2025-04-04 08:00
entropy.py	4.14 KB	-rw-r--r--	2025-04-04 08:00
enum.py	3.6 KB	-rw-r--r--	2025-04-04 08:00
exception.py	5.81 KB	-rw-r--r--	2025-04-04 08:00
flags.py	2.69 KB	-rw-r--r--	2025-04-04 08:00
grange.py	2.09 KB	-rw-r--r--	2025-04-04 08:00
immutable.py	1.97 KB	-rw-r--r--	2025-04-04 08:00
inet.py	5.64 KB	-rw-r--r--	2025-04-04 08:00
ipv4.py	2.49 KB	-rw-r--r--	2025-04-04 08:00
ipv6.py	6.4 KB	-rw-r--r--	2025-04-04 08:00
message.py	66.59 KB	-rw-r--r--	2025-04-04 08:00
name.py	41.78 KB	-rw-r--r--	2025-04-04 08:00
namedict.py	3.91 KB	-rw-r--r--	2025-04-04 08:00
nameserver.py	9.88 KB	-rw-r--r--	2025-04-04 08:00
node.py	12.37 KB	-rw-r--r--	2025-04-04 08:00
opcode.py	2.67 KB	-rw-r--r--	2025-04-04 08:00
py.typed	0 B	-rw-r--r--	2025-04-04 08:00
query.py	54.98 KB	-rw-r--r--	2025-04-04 08:00
rcode.py	4.06 KB	-rw-r--r--	2025-04-04 08:00
rdata.py	30.29 KB	-rw-r--r--	2025-04-04 08:00
rdataclass.py	2.91 KB	-rw-r--r--	2025-04-04 08:00
rdataset.py	16.27 KB	-rw-r--r--	2025-04-04 08:00
rdatatype.py	7.27 KB	-rw-r--r--	2025-04-04 08:00
renderer.py	10.99 KB	-rw-r--r--	2025-04-04 08:00
resolver.py	72 KB	-rw-r--r--	2025-04-04 08:00
reversename.py	3.74 KB	-rw-r--r--	2025-04-04 08:00
rrset.py	8.96 KB	-rw-r--r--	2025-04-04 08:00
serial.py	3.52 KB	-rw-r--r--	2025-04-04 08:00
set.py	9 KB	-rw-r--r--	2025-04-04 08:00
tokenizer.py	23.03 KB	-rw-r--r--	2025-04-04 08:00
transaction.py	22.06 KB	-rw-r--r--	2025-04-04 08:00
tsig.py	11.15 KB	-rw-r--r--	2025-04-04 08:00
tsigkeyring.py	2.57 KB	-rw-r--r--	2025-04-04 08:00
ttl.py	2.91 KB	-rw-r--r--	2025-04-04 08:00
update.py	11.96 KB	-rw-r--r--	2025-04-04 08:00
version.py	1.88 KB	-rw-r--r--	2025-04-04 08:00
versioned.py	11.49 KB	-rw-r--r--	2025-04-04 08:00
win32util.py	8.67 KB	-rw-r--r--	2025-04-04 08:00
wire.py	2.76 KB	-rw-r--r--	2025-04-04 08:00
xfr.py	12.96 KB	-rw-r--r--	2025-04-04 08:00
zone.py	50.87 KB	-rw-r--r--	2025-04-04 08:00
zonefile.py	27.27 KB	-rw-r--r--	2025-04-04 08:00
zonetypes.py	690 B	-rw-r--r--	2025-04-04 08:00

Rename

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

# Copyright (C) 2001-2017 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 Rdata Classes."""

import dns.enum
import dns.exception

class RdataClass(dns.enum.IntEnum):
    """DNS Rdata Class"""

RESERVED0 = 0
    IN = 1
    INTERNET = IN
    CH = 3
    CHAOS = CH
    HS = 4
    HESIOD = HS
    NONE = 254
    ANY = 255

@classmethod
    def _maximum(cls):
        return 65535

@classmethod
    def _short_name(cls):
        return "class"

@classmethod
    def _prefix(cls):
        return "CLASS"

@classmethod
    def _unknown_exception_class(cls):
        return UnknownRdataclass

_metaclasses = {RdataClass.NONE, RdataClass.ANY}

class UnknownRdataclass(dns.exception.DNSException):
    """A DNS class is unknown."""

def from_text(text: str) -> RdataClass:
    """Convert text into a DNS rdata class value.

The input text can be a defined DNS RR class mnemonic or
    instance of the DNS generic class syntax.

For example, "IN" and "CLASS1" will both result in a value of 1.

Raises ``dns.rdatatype.UnknownRdataclass`` if the class is unknown.

Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535.

Returns a ``dns.rdataclass.RdataClass``.
    """

return RdataClass.from_text(text)

def to_text(value: RdataClass) -> str:
    """Convert a DNS rdata class value to text.

If the value has a known mnemonic, it will be used, otherwise the
    DNS generic class syntax will be used.

Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535.

Returns a ``str``.
    """

return RdataClass.to_text(value)

def is_metaclass(rdclass: RdataClass) -> bool:
    """True if the specified class is a metaclass.

The currently defined metaclasses are ANY and NONE.

*rdclass* is a ``dns.rdataclass.RdataClass``.
    """

if rdclass in _metaclasses:
        return True
    return False

### BEGIN generated RdataClass constants

RESERVED0 = RdataClass.RESERVED0
IN = RdataClass.IN
INTERNET = RdataClass.INTERNET
CH = RdataClass.CH
CHAOS = RdataClass.CHAOS
HS = RdataClass.HS
HESIOD = RdataClass.HESIOD
NONE = RdataClass.NONE
ANY = RdataClass.ANY

### END generated RdataClass constants