PyErr_SetFromErrnoWithFilename() decodes the filename using

Victor Stinner · Victor Stinner · commit 8d93e49a93fb · 2010-05-08T00:35:33.000Z
PyUnicode_DecodeFSDefault() instead of PyUnicode_FromString()
diff --git a/Python/errors.c b/Python/errors.c
@@ -446,7 +446,7 @@ PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
 PyObject *
 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
 {
-	PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
+	PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
 	PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
 	Py_XDECREF(name);
 	return result;

Original file line number	Diff line number	Diff line change
`@@ -446,7 +446,7 @@ PyErr_SetFromErrnoWithFilenameObject(PyObject exc, PyObject filenameObject)`
`446`	`446`	`PyObject *`
`447`	`447`	`PyErr_SetFromErrnoWithFilename(PyObject exc, const char filename)`
`448`	`448`	`{`
`449`		`- PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;`
	`449`	`+ PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;`
`450`	`450`	`PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);`
`451`	`451`	`Py_XDECREF(name);`
`452`	`452`	`return result;`