| # |
| # Copyright (c) 2023 Project CHIP Authors |
| # All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # 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. |
| # |
| |
| import ipaddress |
| |
| |
| def is_ipv4(ip: str) -> bool: |
| try: |
| ipaddress.IPv4Address(ip) |
| return True |
| except ipaddress.AddressValueError: |
| return False |
| |
| |
| def is_ipv6_ll(ip: str) -> bool: |
| try: |
| return ipaddress.IPv6Address(ip).is_link_local |
| except ipaddress.AddressValueError: |
| return False |
| |
| |
| def is_ipv6(ip: str) -> bool: |
| try: |
| ipaddress.IPv6Address(ip) |
| return True |
| except ipaddress.AddressValueError: |
| return False |
| |
| |
| def get_addr_type(ip: str) -> str: |
| if is_ipv4(ip): |
| return "V4" |
| elif is_ipv6_ll(ip): |
| return "V6 Link Local" |
| elif is_ipv6(ip): |
| return "V6" |