[Python-Dev] PEP 383: Non-decodable Bytes in System Character Interfaces
a.badger at gmail.com
Wed Apr 29 04:39:20 CEST 2009
Martin v. Löwis wrote:
>> Since the serialization of the Unicode string is likely to use UTF-8,
>> and the string for such a file will include half surrogates, the
>> application may raise an exception when encoding the names for a
>> configuration file. These encoding exceptions will be as rare as the
>> unusual names (which the careful I18N aware developer has probably
>> eradicated from his system), and thus will appear late.
> There are trade-offs to any solution; if there was a solution without
> trade-offs, it would be implemented already.
> The Python UTF-8 codec will happily encode half-surrogates; people argue
> that it is a bug that it does so, however, it would help in this
> specific case.
Can we use this encoding scheme for writing into files as well? We've
turned the filename with undecodable bytes into a string with half
surrogates. Putting that string into a file has to turn them into bytes
at some level. Can we use the python-escape error handler to achieve
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