Utils.py 文件源码

def h_file_win32(fname):
    try:
        fd = os.open(fname, os.O_BINARY | os.O_RDONLY | os.O_NOINHERIT)
    except OSError:
        raise IOError('Cannot read from %r' % fname)
    f = os.fdopen(fd, 'rb')
    m = md5()
    try:
        while fname:
            fname = f.read(200000)
            m.update(fname)
    finally:
        f.close()
    return m.digest()

# always save these