New submission from STINNER Victor <[email protected]>:
Starting at Python 3.2, the MBCS codec uses MultiByteToWideChar() to decode
bytes using flags=MB_ERR_INVALID_CHARS by default (strict error handler),
flags=0 for the ignore error handler, and raise a ValueError for other error
handlers.
The problem is that the meaning of flags=0 changes with the Windows version:
- ignore undecodable bytes until Windows XP
- *replace* undecodable bytes for Windows Vista and later
We should accept "replace" error handler with flags=0, at least on Windows
Vista and later.
I don't know if we should only accept "ignore" on Windows <= XP and only
"error" on Windows >= Vista, or if the difference should be documented.
----------
components: Unicode
messages: 137885
nosy: amaury.forgeotdarc, haypo
priority: normal
severity: normal
status: open
title: bytes.decode('mbcs', 'ignore') does replace undecodable bytes on Windows
Vista or later
versions: Python 3.2, Python 3.3
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<http://bugs.python.org/issue12281>
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