UnicodeEncodeError in compile

[Terry Reedy]

On 1/9/2012 11:24 PM, pyscripter at gmail.com wrote:
> Using python 3.2 in Windows 7 I am getting the following:
>
>>> compile('pass', r'c:\temp\工具\module1.py', 'exec')
> UnicodeEncodeError: 'mbcs' codec can't encode characters in position 0--1: invalid character
>
> Can anybody explain why the compile statement tries to convert the unicode filename using mbcs?  I know that sys.getfilesystemencoding returns 'mbcs' in Windows, but I thought that this is not used when unicode file names are provided.

I get the same error running 3.2.2 under IDLE but not when pasting into 
Command Prompt. However, Command Prompt may be cheating by replacing the 
Chinese chars with '??' upon pasting, so that Python never gets them -- 
whereas they appear just fine in IDLE.

-- 
Terry Jan Reedy