host.py 文件源码

def get_nic_hwaddr(nic):
    """Return the Media Access Control (MAC) for a network interface."""
    cmd = ['ip', '-o', '-0', 'addr', 'show', nic]
    ip_output = subprocess.check_output(cmd).decode('UTF-8')
    hwaddr = ""
    words = ip_output.split()
    if 'link/ether' in words:
        hwaddr = words[words.index('link/ether') + 1]
    return hwaddr