diff options
Diffstat (limited to 'Python/errors.c')
| -rw-r--r-- | Python/errors.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/Python/errors.c b/Python/errors.c index a980481..17e3bcc 100644 --- a/Python/errors.c +++ b/Python/errors.c @@ -74,11 +74,11 @@ PyErr_SetObject(PyObject *exception, PyObject *value) if (value == NULL || !PyExceptionInstance_Check(value)) { /* We must normalize the value right now */ PyObject *args, *fixed_value; -#ifdef Py_DEBUG - /* in debug mode, PyEval_EvalFrameEx() fails with an assertion - error if an exception is set when it is called */ + + /* Issue #23571: PyEval_CallObject() must not be called with an + exception set */ PyErr_Clear(); -#endif + if (value == NULL || value == Py_None) args = PyTuple_New(0); else if (PyTuple_Check(value)) { @@ -773,34 +773,38 @@ PyErr_BadInternalCall(void) #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__) +PyObject * +PyErr_FormatV(PyObject *exception, const char *format, va_list vargs) +{ + PyObject* string; + + /* Issue #23571: PyUnicode_FromFormatV() must not be called with an + exception set, it calls arbitrary Python code like PyObject_Repr() */ + PyErr_Clear(); + + string = PyUnicode_FromFormatV(format, vargs); + + PyErr_SetObject(exception, string); + Py_XDECREF(string); + return NULL; +} + PyObject * PyErr_Format(PyObject *exception, const char *format, ...) { va_list vargs; - PyObject* string; - #ifdef HAVE_STDARG_PROTOTYPES va_start(vargs, format); #else va_start(vargs); #endif - -#ifdef Py_DEBUG - /* in debug mode, PyEval_EvalFrameEx() fails with an assertion error - if an exception is set when it is called */ - PyErr_Clear(); -#endif - - string = PyUnicode_FromFormatV(format, vargs); - PyErr_SetObject(exception, string); - Py_XDECREF(string); + PyErr_FormatV(exception, format, vargs); va_end(vargs); return NULL; } - PyObject * PyErr_NewException(const char *name, PyObject *base, PyObject *dict) { @@ -1121,6 +1125,10 @@ PyErr_ProgramTextObject(PyObject *filename, int lineno) if (filename == NULL || lineno <= 0) return NULL; fp = _Py_fopen_obj(filename, "r" PY_STDIOTEXTMODE); + if (fp == NULL) { + PyErr_Clear(); + return NULL; + } return err_programtext(fp, lineno); } |