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Re: [Python-Dev] Windows: Remove support of bytes filenames in the os module?

From: Victor Stinner <vict...@gmail.com>
Tue, 9 Feb 2016 10:22:29 +0100
2016-02-09 1:37 GMT+01:00 eryk sun <eryk...@gmail.com>:
> For example, in codepage 932 (Japanese), it's an error if a lead byte> (i.e. 0x81-0x9F, 0xE0-0xFC) is followed by a trailing byte with a> value less than 0x40 (note that ASCII 0-9 is 0x30-0x39, so this is not> uncommon). In this case the ANSI API substitutes the default character> for Japanese, '・' (U+30FB, Katakana middle dot).>>     >>> locale.getpreferredencoding()>     'cp932'>     >>> open(b'\xe05', 'w').close()>     >>> os.listdir('.')>     ['・']>     >>> os.listdir(b'.')>     [b'\x81E']>> All invalid sequences get mapped to '・', which roundtrips as> b'\x81\x45', so you can't reliably create and open files with> arbitrary bytes paths in this locale.
Oh, and I forgot to ask: what is your filesystem? Is it the same
behaviour for NTFS, FAT32, network shared directories, etc.?

Victor
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