New submission from Markus Kettunen:
In a C application on Windows, at least on MSVC 2010 and Windows 7, do this:
wprintf(L"Test\n");
Py_Initialize();
wprintf(L"Test\n");
Output is:
Test
T e s t
I was able to track the issue to fileio.c to the following code block by
searching where wprintf breaks:
if (dircheck(self, nameobj) < 0)
goto error;
#if defined(MS_WINDOWS) || defined(__CYGWIN__)
/* don't translate newlines (\r\n <=> \n) */
_setmode(self->fd, O_BINARY); <----- breaks it
#endif
if (PyObject_SetAttrString((PyObject *)self, "name", nameobj) < 0)
goto error;
This can be easily confirmed by adding wprintfs on both sides of _setmode.
This issue was also raised at
http://mail.python.org/pipermail/python-list/2012-February/620528.html but no
solution was provided back then.
----------
components: IO, Unicode, Windows
messages: 176732
nosy: ezio.melotti, makegho
priority: normal
severity: normal
status: open
title: Py_Initialize breaks wprintf on Windows
type: behavior
versions: Python 3.3
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Python tracker <[email protected]>
<http://bugs.python.org/issue16587>
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