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#!/usr/bin/env python3
# Copyright (c) 2021 Cisco and/or its affiliates.
#
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# Licensed under the Apache License 2.0 or
# GNU General Public License v2.0 or later; you may not use this file
# except in compliance with one of these Licenses. You
# may obtain a copy of the Licenses at:
#
# http://www.apache.org/licenses/LICENSE-2.0
# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
#
# Note: If this file is linked with Scapy, which is GPLv2+, your use of it
# must be under GPLv2+. If at any point in the future it is no longer linked
# with Scapy (or other GPLv2+ licensed software), you are free to choose
# Apache 2.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Functions simplifying address validation."""
import ipaddress
def valid_ipv4(ip_address):
"""Check IPv4 address.
:param ip_address: IPv4 address to check.
:type ip_address: str
:returns: True if IP address is correct.
:rtype: bool
"""
try:
ipaddress.IPv4Address(ip_address)
return True
except (AttributeError, ipaddress.AddressValueError):
return False
def valid_ipv6(ip_address):
"""Check IPv6 address.
:param ip_address: IPv6 address to check.
:type ip_address: str
:returns: True if IP address is correct.
:rtype: bool
"""
try:
ipaddress.IPv6Address(ip_address)
return True
except (AttributeError, ipaddress.AddressValueError):
return False
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