[issue13207] os.path.expanduser breaks when using unicode character in the username

[Arkady “KindDragon” Shapkin]

Arkady “KindDragon” Shapkin added the comment:

At least Python 2.7 should return in locale.getpreferredencoding() encoding

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nosy: +Arkady “KindDragon” Shapkin

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[issue13207] os.path.expanduser breaks when using unicode character in the username

[Santoso Wijaya]

Santoso Wijaya santoso.wij...@gmail.com added the comment:

Unicode environment vars work properly in Python 3.x on Windows, too, because 
the convertenviron() function in posixmodule.c uses extern _wenviron 
PyUnicode_FromWideChar() in Python 3.x. In Python 2.7, convertenviron() uses 
extern environ and PyString_FromString*().

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nosy: +santa4nt

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[issue13207] os.path.expanduser breaks when using unicode character in the username

[STINNER Victor]

STINNER Victor victor.stin...@haypocalc.com added the comment:

Python 2 uses byte strings. If characters are not encodable to the ANSI code 
page, Windows replaces them by question marks. See the issue #13247 for another 
example (in Python 3 when using explicitly the bytes API). To be able to 
support characters not encodable to the ANSI code page, you have to use Unicode 
*everywhere*.

Because Python 2 doesn't have access to the Unicode environment and uses bytes 
in most cases, I don't think that we can fix this issue in Python 2.

I close this issue because it would require too much work to fix this issue in 
Python 2, whereas it already works in Python 3.  Move to Python 3 is the best 
solution of this issue.

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resolution:  - wont fix
status: open - closed

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[issue13207] os.path.expanduser breaks when using unicode character in the username

[Ezio Melotti]

Changes by Ezio Melotti ezio.melo...@gmail.com:


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nosy: +ezio.melotti

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[issue13207] os.path.expanduser breaks when using unicode character in the username

[Florent Xicluna]

Changes by Florent Xicluna florent.xicl...@gmail.com:


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nosy: +flox
title: os.path.expanduser brakes when using unicode character in the username 
- os.path.expanduser breaks when using unicode character in the username

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[issue13207] os.path.expanduser breaks when using unicode character in the username

[Éric Araujo]

Éric Araujo mer...@netwok.org added the comment:

On POSIX, Python 3 works correctly if my home dir is /tmp/éric, and Python 2.7 
returns a UTF-8-encoded (not locale-encoded!) bytes string.

For Windows, a patch would probably need to add a private function to the _nt 
module (in C): ctypes is too dangerous to be used in the standard library.

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nosy: +eric.araujo, haypo

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