指定のホストへpingが通るかチェック

is_connectable.py

import platform, subprocess

def is_connectable(host: str = "pypi.org", n: int = 1) -> bool:
    """ホストにpingが通るかどうかを確認する

    Args:
        host (str): 対象ホスト. Defaults to "pypi.org".
        n (int): pingの試行回数. Defaults to 1.

    Returns:
        bool: pingが通るかどうか
    """
    system = platform.system()

    if system == "Windows":
        code = ["ping", "-n", str(n), host]
    elif system in {"Linux", "Darwin"}:  # Linux や macOS で対応
        code = ["ping", "-c", str(n), host]
    else:
        raise ValueError(f"Unsupported OS: {system}")

    try:
        subprocess.run(code, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
        return True
    except subprocess.CalledProcessError:
        return False