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-rw-r--r--Objects/fileobject.c2
-rw-r--r--Python/pythonrun.c9
-rw-r--r--Python/sysmodule.c6
3 files changed, 11 insertions, 6 deletions
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 90c9687..1880187 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -354,6 +354,8 @@ PyFile_SetEncoding(PyObject *f, const char *enc)
{
PyFileObject *file = (PyFileObject*)f;
PyObject *str = PyString_FromString(enc);
+
+ assert(PyFile_Check(f));
if (!str)
return 0;
Py_DECREF(file->f_encoding);
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 634572e..98ae115 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -275,7 +275,8 @@ Py_InitializeEx(int install_sigs)
sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
if (!sys_isatty)
PyErr_Clear();
- if(sys_isatty && PyObject_IsTrue(sys_isatty)) {
+ if(sys_isatty && PyObject_IsTrue(sys_isatty) &&
+ PyFile_Check(sys_stream)) {
if (!PyFile_SetEncoding(sys_stream, codeset))
Py_FatalError("Cannot set codeset of stdin");
}
@@ -285,7 +286,8 @@ Py_InitializeEx(int install_sigs)
sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
if (!sys_isatty)
PyErr_Clear();
- if(sys_isatty && PyObject_IsTrue(sys_isatty)) {
+ if(sys_isatty && PyObject_IsTrue(sys_isatty) &&
+ PyFile_Check(sys_stream)) {
if (!PyFile_SetEncoding(sys_stream, codeset))
Py_FatalError("Cannot set codeset of stdout");
}
@@ -295,7 +297,8 @@ Py_InitializeEx(int install_sigs)
sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
if (!sys_isatty)
PyErr_Clear();
- if(sys_isatty && PyObject_IsTrue(sys_isatty)) {
+ if(sys_isatty && PyObject_IsTrue(sys_isatty) &&
+ PyFile_Check(sys_stream)) {
if (!PyFile_SetEncoding(sys_stream, codeset))
Py_FatalError("Cannot set codeset of stderr");
}
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 4970adf..59f6cfc 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1087,17 +1087,17 @@ _PySys_Init(void)
if (PyErr_Occurred())
return NULL;
#ifdef MS_WINDOWS
- if(isatty(_fileno(stdin))){
+ if(isatty(_fileno(stdin)) && PyFile_Check(sysin)) {
sprintf(buf, "cp%d", GetConsoleCP());
if (!PyFile_SetEncoding(sysin, buf))
return NULL;
}
- if(isatty(_fileno(stdout))) {
+ if(isatty(_fileno(stdout)) && PyFile_Check(sysout)) {
sprintf(buf, "cp%d", GetConsoleOutputCP());
if (!PyFile_SetEncoding(sysout, buf))
return NULL;
}
- if(isatty(_fileno(stderr))) {
+ if(isatty(_fileno(stderr)) && PyFile_Check(syserr)) {
sprintf(buf, "cp%d", GetConsoleOutputCP());
if (!PyFile_SetEncoding(syserr, buf))
return NULL;