[issue1193] os.system() encoding bug on Windows

[Christian Heimes]

Christian Heimes added the comment:

Amaury is planing to remove Win95 code and use the wide api everywhere.
It should fix the bug.

--
assignee:  - amaury.forgeotdarc
components: +Interpreter Core, Windows -Library (Lib)
nosy: +amaury.forgeotdarc
priority: high - normal
resolution: accepted - 

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[issue1193] os.system() encoding bug on Windows

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc added the comment:

Note that the final .encode(cp936) is now invalid: os.system accepts
unicode strings, not bytes:

 os.system((echo  + sys.stdin.readline().rstrip(\n)))

Corrected as r59065.

--
resolution:  - fixed
status: open - closed

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[issue1193] os.system() encoding bug on Windows

[Christian Heimes]

Christian Heimes added the comment:

Python 3.0 has many more problems at its boundaries to the system on
Windows. Large parts of the API that deals with Windows system calls
have to be rewritten in order to use the wide char API.

--
keywords: +py3k
nosy: +tiran
priority: normal - high
resolution:  - accepted

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[issue1193] os.system() encoding bug on Windows

[Fan Decheng]

Fan Decheng added the comment:

Steps to reproduce:

1. Use a Windows, with system default encoding to cp936 (Chinese PRC, or
Simplified Chinese) in Regional Options.
2. Open Python 3.0 (command line).
3. Type:
import os
import sys
os.system((echo  + sys.stdin.readline().rstrip(\n)).encode(cp936))
(in stdin type:)
我

Result:
The output from echo would be utf-8 mistakenly used as cp936:
鎴?

Expected result:
The echo command outputs 我.

Comments:
I guess os.system can recoding the string before sending the string out.
This may be done in the C part of Python. BTW, The os.popen() function 
is
correct.

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[issue1193] os.system() encoding bug on Windows

[Fan Decheng]

Fan Decheng added the comment:

A note about reproducing: since Windows 2000 all language packs can be 
installed easily using the Regional Options in the Control Panel. Even 
on an English version of Windows, character set mappings and fonts of 
other languages can be installed.

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[issue1193] os.system() encoding bug on Windows

[Sean Reifschneider]

Changes by Sean Reifschneider:


--
priority:  - normal
severity: major - normal

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[issue1193] os.system() encoding bug on Windows

[Fan Decheng]

New submission from Fan Decheng:

Python 3.0 uses utf-8 encoding, but os.system() when running on Windows 
uses
the system default encoding, which may be cp936 or mbcs. They are
incompatible.

--
components: Library (Lib)
messages: 56101
nosy: r_mosaic
severity: major
status: open
title: os.system() encoding bug on Windows
type: behavior
versions: Python 3.0

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