[Python-Dev] Unicode filenames

[Walter Dörwald]

Just van Rossum wrote:

> [...]
> BTW. if I try to create a file with an 8-bit filename which is _not_
> valid utf-8, I get a strange error:
> 
>   >>> f = open("\xff", "w")
>   Traceback (most recent call last):
>     File "<stdin>", line 1, in ?
>   IOError: invalid mode: w
>   >>> 
> 
> This exception is thrown when errno is EINVAL, which apparently can also
> mean that the filename arg is bad. Not sure if we can fix this.

But when the system default encoding (i.e. sys.getdefaultencoding()) and
the file system encoding are different, I'd say the filename has to be
transcoded from the system default encoding to the filesystem encoding
before it is used.

Bye,
    Walter Dörwald