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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
from typing import Any
import dns.rcode
import dns.message
# compatiblity with dnspython<2.0.0
try:
# In dnspython>=2.0.0, dns.rcode.Rcode class is available
# pylint: disable=invalid-name
dns_rcode = dns.rcode.Rcode # type: Any
except AttributeError:
# In dnspython<2.0.0, selected rcodes are available as integers directly
# from dns.rcode
dns_rcode = dns.rcode
def rcode(message: dns.message.Message, expected_rcode) -> None:
assert message.rcode() == expected_rcode, str(message)
def noerror(message: dns.message.Message) -> None:
rcode(message, dns_rcode.NOERROR)
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