ufw.py 文件源码

def is_enabled():
    """
    Check if `ufw` is enabled

    :returns: True if ufw is enabled
    """
    output = subprocess.check_output(['ufw', 'status'],
                                     universal_newlines=True,
                                     env={'LANG': 'en_US',
                                          'PATH': os.environ['PATH']})

    m = re.findall(r'^Status: active\n', output, re.M)

    return len(m) >= 1