fs.py 文件源码

def getvolumeinfo(path):
    """
    Return information for the volume containing the given path. This is going
    to be a pair containing (file system, file system flags).
    """

    # Add 1 for a trailing backslash if necessary, and 1 for the terminating
    # null character.
    volpath = ctypes.create_unicode_buffer(len(path) + 2)
    rv = GetVolumePathName(path, volpath, len(volpath))
    if rv == 0:
        raise WinError()

    fsnamebuf = ctypes.create_unicode_buffer(MAX_PATH + 1)
    fsflags = DWORD(0)
    rv = GetVolumeInformation(volpath, None, 0, None, None, byref(fsflags),
                              fsnamebuf, len(fsnamebuf))
    if rv == 0:
        raise WinError()

    return (fsnamebuf.value, fsflags.value)