diff options
Diffstat (limited to 'Python/traceback.c')
-rw-r--r-- | Python/traceback.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/Python/traceback.c b/Python/traceback.c index 870ae5bcefe..e53d87d52f9 100644 --- a/Python/traceback.c +++ b/Python/traceback.c @@ -12,7 +12,7 @@ #include "pycore_pyarena.h" // _PyArena_Free() #include "pycore_pyerrors.h" // _PyErr_GetRaisedException() #include "pycore_pystate.h" // _PyThreadState_GET() -#include "pycore_sysmodule.h" // _PySys_GetAttr() +#include "pycore_sysmodule.h" // _PySys_GetOptionalAttr() #include "pycore_traceback.h" // EXCEPTION_TB_HEADER #include "frameobject.h" // PyFrame_New() @@ -356,9 +356,13 @@ _Py_FindSourceFile(PyObject *filename, char* namebuf, size_t namelen, PyObject * taillen = strlen(tail); PyThreadState *tstate = _PyThreadState_GET(); - syspath = _PySys_GetAttr(tstate, &_Py_ID(path)); - if (syspath == NULL || !PyList_Check(syspath)) + if (_PySys_GetOptionalAttr(&_Py_ID(path), &syspath) < 0) { + PyErr_Clear(); + goto error; + } + if (syspath == NULL || !PyList_Check(syspath)) { goto error; + } npath = PyList_Size(syspath); open = PyObject_GetAttr(io, &_Py_ID(open)); @@ -401,6 +405,7 @@ error: result = NULL; finally: Py_XDECREF(open); + Py_XDECREF(syspath); Py_DECREF(filebytes); return result; } @@ -729,17 +734,21 @@ _PyTraceBack_Print(PyObject *v, const char *header, PyObject *f) PyErr_BadInternalCall(); return -1; } - limitv = PySys_GetObject("tracebacklimit"); - if (limitv && PyLong_Check(limitv)) { + if (_PySys_GetOptionalAttrString("tracebacklimit", &limitv) < 0) { + return -1; + } + else if (limitv != NULL && PyLong_Check(limitv)) { int overflow; limit = PyLong_AsLongAndOverflow(limitv, &overflow); if (overflow > 0) { limit = LONG_MAX; } else if (limit <= 0) { + Py_DECREF(limitv); return 0; } } + Py_XDECREF(limitv); if (PyFile_WriteString(header, f) < 0) { return -1; |