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

Editing: flags.py

# 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 Message Flags."""

import enum
from typing import Any

# Standard DNS flags

class Flag(enum.IntFlag):
    #: Query Response
    QR = 0x8000
    #: Authoritative Answer
    AA = 0x0400
    #: Truncated Response
    TC = 0x0200
    #: Recursion Desired
    RD = 0x0100
    #: Recursion Available
    RA = 0x0080
    #: Authentic Data
    AD = 0x0020
    #: Checking Disabled
    CD = 0x0010

# EDNS flags

class EDNSFlag(enum.IntFlag):
    #: DNSSEC answer OK
    DO = 0x8000

def _from_text(text: str, enum_class: Any) -> int:
    flags = 0
    tokens = text.split()
    for t in tokens:
        flags |= enum_class[t.upper()]
    return flags

def _to_text(flags: int, enum_class: Any) -> str:
    text_flags = []
    for k, v in enum_class.__members__.items():
        if flags & v != 0:
            text_flags.append(k)
    return " ".join(text_flags)

def from_text(text: str) -> int:
    """Convert a space-separated list of flag text values into a flags
    value.

Returns an ``int``
    """

return _from_text(text, Flag)

def to_text(flags: int) -> str:
    """Convert a flags value into a space-separated list of flag text
    values.

Returns a ``str``.
    """

return _to_text(flags, Flag)

def edns_from_text(text: str) -> int:
    """Convert a space-separated list of EDNS flag text values into a EDNS
    flags value.

Returns an ``int``
    """

return _from_text(text, EDNSFlag)

def edns_to_text(flags: int) -> str:
    """Convert an EDNS flags value into a space-separated list of EDNS flag
    text values.

Returns a ``str``.
    """

return _to_text(flags, EDNSFlag)

### BEGIN generated Flag constants

QR = Flag.QR
AA = Flag.AA
TC = Flag.TC
RD = Flag.RD
RA = Flag.RA
AD = Flag.AD
CD = Flag.CD

### END generated Flag constants

### BEGIN generated EDNSFlag constants

DO = EDNSFlag.DO

### END generated EDNSFlag constants

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