utils.py

import re
import socket


def extract_version_triple(version_str: str) -> str:
    match = re.search(r"\d+\.\d+\.\d+", version_str)
    if not match:
        raise ValueError("Unable to parse version number")
    return match.group()


def is_minimum_version(system_version: str, minimum_version: str) -> bool:
    system_version_as_tuple = tuple(map(int, system_version.split(".")))
    minimum_version_as_tuple = tuple(map(int, minimum_version.split(".")))
    return system_version_as_tuple >= minimum_version_as_tuple


def is_network_available(host: str = "8.8.8.8", port: int = 53, timeout: float = 3.0) -> bool:
    """
    Check if internet is available by trying to establish a socket connection.
    """

    try:
        socket.setdefaulttimeout(timeout)
        socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, port))
        return True
    except OSError:
        return False