os.rename() doesn't work w/unicode??

[fanbanlo]

Serge Orlov wrote:
> fanbanlo wrote:
> 
>>C:\MP3\001.txt -> 0.txt
>>C:\MP3\01. ??? - ????(???).mp3 -> 1.mp3
>>
>>Traceback (most recent call last):
>>  File
>>"C:\Python24\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py",
>>line 310, in RunScript
>>    exec codeObject in __main__.__dict__
>>  File "C:\MP3\!RenameNum.py", line 40, in ?
>>    renameFiles(os.path.dirname(sys.argv[0]))
>>  File "C:\MP3\!RenameNum.py", line 26, in renameFiles
>>    os.rename(os.path.join(path, filenames), new_filename)
>>OSError: [Errno 22] Invalid argument
> 
> 
> os.rename works with unicode, you're getting this error because
> question marks are not allowed in file names on Windows.
> 
>   Serge.
> 
> 
The filename is supposed to be in Chinese, on NTFS (WinXP).  However, 
when i print it, they are all '???', and that caused os.rename() to break.

How to force os.walk to return a list of unicode filename?