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Fri May 7 13:39:39 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-May/099979.html

Le vendredi 07 mai 2010 13:24:18, Antoine Pitrou a écrit :
> > UTF-8 is not a good choice for the fallback because it's incompatible
> > with other encodings like Latin1. I would like to fallback to ASCII on
> > error which is compatible with all encodings (thanks to
> > surrogateescape).
> 
> What do you mean with "compatible with all encodings thanks to
> surrogateescape"?
> 
> >>> "àéè".encode("ascii", "surrogateescape")
> ...
> UnicodeEncodeError: 'ascii' codec can't encode characters ...

ascii+surrogatescape can *decode* anything:

>>> b"a\xc3\xff".decode('ascii', 'surrogateescape')
'a\udcc3\udcff'

Encode with ascii+surrogatescape raise an UnicodeEncodeError for non-ASCII 
(except for surrogates). I think it's better to raise an error than creating 
utf8 filenames on a latin1 file system.

--

I forgot to mention Marc Lemburg propositing of creating a PYTHONFSENCODING 
environment variable: #8622.

-- 
Victor Stinner
http://www.haypocalc.com/

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Set default file system encoding to ascii on error?