write.py 文件源码

def get_machid():
    """Get (mostly) unique machine ID

    Returns
    -------
    ids : array (length 2, int32)
        The machine identifier used in MNE.
    """
    mac = b('%012x' % uuid.getnode())  # byte conversion for Py3
    mac = re.findall(b'..', mac)  # split string
    mac += [b'00', b'00']  # add two more fields

    # Convert to integer in reverse-order (for some reason)
    from codecs import encode
    mac = b''.join([encode(h, 'hex_codec') for h in mac[::-1]])
    ids = np.flipud(np.fromstring(mac, np.int32, count=2))
    return ids