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#4747: on Windows, starting a module with a non-ascii filename would print a useless "SyntaxError: None" 

when the script contains a "# coding:" declaration.

The Python API expects char* to be utf-8 encoded. wcstombs should be avoided here.

Reviewed by Benjamin. Will backport to 3.0
This commit is contained in:
Amaury Forgeot d'Arc 2009-01-01 23:05:36 +00:00
parent 8ed9a8069d
commit 374e220bcb
2 changed files with 10 additions and 4 deletions
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3
Misc/NEWS
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@ -12,6 +12,9 @@ What's New in Python 3.1 alpha 0
Core and Builtins
-----------------
- Issue #4747: When the terminal does not use utf-8, executing a script with
non-ascii characters in its name could fail with a "SyntaxError: None" error.
- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
file with `bytes' filename on Windows.

11
Modules/main.c
View File

@ -600,18 +600,21 @@ Py_Main(int argc, wchar_t **argv)
}
if (sts==-1) {
char cfilename[PATH_MAX];
PyObject *filenameObj = NULL;
char *p_cfilename = "<stdin>";
if (filename) {
size_t r = wcstombs(cfilename, filename, PATH_MAX);
p_cfilename = cfilename;
if (r == (size_t)-1 || r >= PATH_MAX)
filenameObj = PyUnicode_FromWideChar(
filename, wcslen(filename));
if (filenameObj != NULL)
p_cfilename = _PyUnicode_AsString(filenameObj);
else
p_cfilename = "<decoding error>";
}
sts = PyRun_AnyFileExFlags(
fp,
p_cfilename,
filename != NULL, &cf) != 0;
Py_XDECREF(filenameObj);
}
}