Gecko [ v99win.today ]

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__pycache__	[ DIR ]	drwxr-xr-x
rdtypes	[ DIR ]	drwxr-xr-x
__init__.py	1.56 KB	-rw-r--r--
_asyncbackend.py	1.53 KB	-rw-r--r--
_asyncio_backend.py	4.34 KB	-rw-r--r--
_curio_backend.py	3.33 KB	-rw-r--r--
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asyncbackend.py	3 KB	-rw-r--r--
asyncquery.py	17.4 KB	-rw-r--r--
asyncresolver.py	8.71 KB	-rw-r--r--
dnssec.py	19.19 KB	-rw-r--r--
e164.py	3.6 KB	-rw-r--r--
edns.py	10.72 KB	-rw-r--r--
entropy.py	4.07 KB	-rw-r--r--
enum.py	2.75 KB	-rw-r--r--
exception.py	5.13 KB	-rw-r--r--
flags.py	2.58 KB	-rw-r--r--
grange.py	2.04 KB	-rw-r--r--
immutable.py	1.97 KB	-rw-r--r--
inet.py	4.74 KB	-rw-r--r--
ipv4.py	1.93 KB	-rw-r--r--
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message.py	52.73 KB	-rw-r--r--
name.py	31.54 KB	-rw-r--r--
namedict.py	3.83 KB	-rw-r--r--
node.py	6.42 KB	-rw-r--r--
opcode.py	2.58 KB	-rw-r--r--
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resolver.py	59.29 KB	-rw-r--r--
reversename.py	3.65 KB	-rw-r--r--
rrset.py	7.44 KB	-rw-r--r--
serial.py	3.53 KB	-rw-r--r--
set.py	7.64 KB	-rw-r--r--
tokenizer.py	21.86 KB	-rw-r--r--
transaction.py	16.93 KB	-rw-r--r--
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ttl.py	2.58 KB	-rw-r--r--
update.py	10.55 KB	-rw-r--r--
version.py	1.55 KB	-rw-r--r--
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wire.py	2.48 KB	-rw-r--r--
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Code Editor : 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

# 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, enum_class):
    flags = 0
    tokens = text.split()
    for t in tokens:
        flags |= enum_class[t.upper()]
    return flags

def _to_text(flags, enum_class):
    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):
    """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):
    """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):
    """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):
    """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

${this.title}

Code Editor : flags.py