void python_script_error_jump(const char *filepath, int *lineno, int *offset)
{
PyObject *exception, *value;
PyTracebackObject *tb;
*lineno = -1;
*offset = 0;
PyErr_Fetch(&exception, &value, (PyObject **)&tb);
if (exception && PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) {
/* no traceback available when SyntaxError.
* python has no api's to this. reference parse_syntax_error() from pythonrun.c */
PyErr_NormalizeException(&exception, &value, (PyObject **)&tb);
PyErr_Restore(exception, value, (PyObject *)tb); /* takes away reference! */
if (value) { /* should always be true */
PyObject *message;
PyObject *filename_py, *text_py;
if (parse_syntax_error(value, &message, &filename_py, lineno, offset, &text_py)) {
const char *filename = _PyUnicode_AsString(filename_py);
/* python adds a '/', prefix, so check for both */
if ((BLI_path_cmp(filename, filepath) == 0) ||
((filename[0] == '\\' || filename[0] == '/') &&
BLI_path_cmp(filename + 1, filepath) == 0)) {
/* good */
}
else {
*lineno = -1;
}
}
else {
*lineno = -1;
}
}
}
else {
PyErr_NormalizeException(&exception, &value, (PyObject **)&tb);
PyErr_Restore(exception, value, (PyObject *)tb); /* takes away reference! */
PyErr_Print();
for (tb = (PyTracebackObject *)PySys_GetObject("last_traceback");
tb && (PyObject *)tb != Py_None;
tb = tb->tb_next) {
PyObject *coerce;
const char *tb_filepath = traceback_filepath(tb, &coerce);
const int match = ((BLI_path_cmp(tb_filepath, filepath) == 0) ||
((tb_filepath[0] == '\\' || tb_filepath[0] == '/') &&
BLI_path_cmp(tb_filepath + 1, filepath) == 0));
Py_DECREF(coerce);
if (match) {
*lineno = tb->tb_lineno;
/* used to break here, but better find the inner most line */
}
}
}
}
void python_script_error_jump(const char *filepath, int *lineno, int *offset)
{
PyObject *exception, *value;
PyTracebackObject *tb;
*lineno= -1;
*offset= 0;
PyErr_Fetch(&exception, &value, (PyObject **)&tb);
if(exception && PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) {
/* no traceback available when SyntaxError.
* python has no api's to this. reference parse_syntax_error() from pythonrun.c */
PyErr_NormalizeException(&exception, &value, (PyObject **)&tb);
PyErr_Restore(exception, value, (PyObject *)tb); /* takes away reference! */
if(value) { /* should always be true */
PyObject *message;
const char *filename, *text;
if(parse_syntax_error(value, &message, &filename, lineno, offset, &text)) {
/* python adds a '/', prefix, so check for both */
if( (strcmp(filename, filepath) == 0) ||
((filename[0] == '\\' || filename[0] == '/') && strcmp(filename + 1, filepath) == 0)
) {
/* good */
}
else {
*lineno= -1;
}
}
else {
*lineno= -1;
}
}
}
else {
PyErr_NormalizeException(&exception, &value, (PyObject **)&tb);
PyErr_Restore(exception, value, (PyObject *)tb); /* takes away reference! */
PyErr_Print();
for(tb= (PyTracebackObject *)PySys_GetObject("last_traceback"); tb && (PyObject *)tb != Py_None; tb= tb->tb_next) {
if(strcmp(traceback_filepath(tb), filepath) != 0) {
*lineno= tb->tb_lineno;
break;
}
}
}
}
void
PyErr_PrintEx(int set_sys_last_vars)
{
int err = 0;
PyObject *exception, *v, *tb, *f;
PyErr_Fetch(&exception, &v, &tb);
PyErr_NormalizeException(&exception, &v, &tb);
if (exception == NULL)
return;
if (PyErr_GivenExceptionMatches(exception, PyExc_SystemExit)) {
if (Py_FlushLine())
PyErr_Clear();
fflush(stdout);
if (v == NULL || v == Py_None)
Py_Exit(0);
if (PyInstance_Check(v)) {
/* we expect the error code to be store in the
`code' attribute
*/
PyObject *code = PyObject_GetAttrString(v, "code");
if (code) {
Py_DECREF(v);
v = code;
if (v == Py_None)
Py_Exit(0);
}
/* if we failed to dig out the "code" attribute,
then just let the else clause below print the
error
*/
}
if (PyInt_Check(v))
Py_Exit((int)PyInt_AsLong(v));
else {
/* OK to use real stderr here */
PyObject_Print(v, stderr, Py_PRINT_RAW);
fprintf(stderr, "\n");
Py_Exit(1);
}
}
if (set_sys_last_vars) {
PySys_SetObject("last_type", exception);
PySys_SetObject("last_value", v);
PySys_SetObject("last_traceback", tb);
}
f = PySys_GetObject("stderr");
if (f == NULL)
fprintf(stderr, "lost sys.stderr\n");
else {
if (Py_FlushLine())
PyErr_Clear();
fflush(stdout);
err = PyTraceBack_Print(tb, f);
if (err == 0 &&
PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError))
{
PyObject *message;
char *filename, *text;
int lineno, offset;
if (!parse_syntax_error(v, &message, &filename,
&lineno, &offset, &text))
PyErr_Clear();
else {
char buf[10];
PyFile_WriteString(" File \"", f);
if (filename == NULL)
PyFile_WriteString("<string>", f);
else
PyFile_WriteString(filename, f);
PyFile_WriteString("\", line ", f);
sprintf(buf, "%d", lineno);
PyFile_WriteString(buf, f);
PyFile_WriteString("\n", f);
if (text != NULL) {
char *nl;
if (offset > 0 &&
offset == (int)strlen(text))
offset--;
for (;;) {
nl = strchr(text, '\n');
if (nl == NULL ||
nl-text >= offset)
break;
offset -= (nl+1-text);
text = nl+1;
}
while (*text == ' ' || *text == '\t') {
text++;
offset--;
}
PyFile_WriteString(" ", f);
PyFile_WriteString(text, f);
if (*text == '\0' ||
text[strlen(text)-1] != '\n')
PyFile_WriteString("\n", f);
PyFile_WriteString(" ", f);
offset--;
while (offset > 0) {
PyFile_WriteString(" ", f);
offset--;
}
PyFile_WriteString("^\n", f);
}
Py_INCREF(message);
Py_DECREF(v);
v = message;
/* Can't be bothered to check all those
PyFile_WriteString() calls */
if (PyErr_Occurred())
err = -1;
}
}
if (err) {
/* Don't do anything else */
}
else if (PyClass_Check(exception)) {
PyClassObject* exc = (PyClassObject*)exception;
PyObject* className = exc->cl_name;
PyObject* moduleName =
PyDict_GetItemString(exc->cl_dict, "__module__");
if (moduleName == NULL)
err = PyFile_WriteString("<unknown>", f);
else {
char* modstr = PyString_AsString(moduleName);
if (modstr && strcmp(modstr, "exceptions"))
{
err = PyFile_WriteString(modstr, f);
err += PyFile_WriteString(".", f);
}
}
if (err == 0) {
if (className == NULL)
err = PyFile_WriteString("<unknown>", f);
else
err = PyFile_WriteObject(className, f,
Py_PRINT_RAW);
}
}
else
err = PyFile_WriteObject(exception, f, Py_PRINT_RAW);
if (err == 0) {
if (v != NULL && v != Py_None) {
PyObject *s = PyObject_Str(v);
/* only print colon if the str() of the
object is not the empty string
*/
if (s == NULL)
err = -1;
else if (!PyString_Check(s) ||
PyString_GET_SIZE(s) != 0)
err = PyFile_WriteString(": ", f);
if (err == 0)
err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
Py_XDECREF(s);
}
}
if (err == 0)
err = PyFile_WriteString("\n", f);
}
Py_XDECREF(exception);
Py_XDECREF(v);
Py_XDECREF(tb);
/* If an error happened here, don't show it.
XXX This is wrong, but too many callers rely on this behavior. */
if (err != 0)
PyErr_Clear();
}
static void
print_exception(PyObject *f, PyObject *value)
{
int err = 0;
PyObject *type, *tb;
_Py_IDENTIFIER(print_file_and_line);
if (!PyExceptionInstance_Check(value)) {
err = PyFile_WriteString("TypeError: print_exception(): Exception expected for value, ", f);
err += PyFile_WriteString(Py_TYPE(value)->tp_name, f);
err += PyFile_WriteString(" found\n", f);
if (err)
PyErr_Clear();
return;
}
Py_INCREF(value);
fflush(stdout);
type = (PyObject *) Py_TYPE(value);
tb = PyException_GetTraceback(value);
if (tb && tb != Py_None)
err = PyTraceBack_Print(tb, f);
if (err == 0 &&
_PyObject_HasAttrId(value, &PyId_print_file_and_line))
{
PyObject *message, *filename, *text;
int lineno, offset;
if (!parse_syntax_error(value, &message, &filename,
&lineno, &offset, &text))
PyErr_Clear();
else {
PyObject *line;
Py_DECREF(value);
value = message;
line = PyUnicode_FromFormat(" File \"%U\", line %d\n",
filename, lineno);
Py_DECREF(filename);
if (line != NULL) {
PyFile_WriteObject(line, f, Py_PRINT_RAW);
Py_DECREF(line);
}
if (text != NULL) {
print_error_text(f, offset, text);
Py_DECREF(text);
}
/* Can't be bothered to check all those
PyFile_WriteString() calls */
if (PyErr_Occurred())
err = -1;
}
}
if (err) {
/* Don't do anything else */
}
else {
PyObject* moduleName;
const char *className;
_Py_IDENTIFIER(__module__);
assert(PyExceptionClass_Check(type));
className = PyExceptionClass_Name(type);
if (className != NULL) {
const char *dot = strrchr(className, '.');
if (dot != NULL)
className = dot+1;
}
moduleName = _PyObject_GetAttrId(type, &PyId___module__);
if (moduleName == NULL || !PyUnicode_Check(moduleName))
{
Py_XDECREF(moduleName);
err = PyFile_WriteString("<unknown>", f);
}
else {
if (!_PyUnicode_EqualToASCIIId(moduleName, &PyId_builtins))
{
err = PyFile_WriteObject(moduleName, f, Py_PRINT_RAW);
err += PyFile_WriteString(".", f);
}
Py_DECREF(moduleName);
}
if (err == 0) {
if (className == NULL)
err = PyFile_WriteString("<unknown>", f);
else
err = PyFile_WriteString(className, f);
}
}
if (err == 0 && (value != Py_None)) {
PyObject *s = PyObject_Str(value);
/* only print colon if the str() of the
object is not the empty string
*/
if (s == NULL) {
PyErr_Clear();
err = -1;
PyFile_WriteString(": <exception str() failed>", f);
}
else if (!PyUnicode_Check(s) ||
PyUnicode_GetLength(s) != 0)
err = PyFile_WriteString(": ", f);
if (err == 0)
err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
Py_XDECREF(s);
}
/* try to write a newline in any case */
if (err < 0) {
PyErr_Clear();
}
err += PyFile_WriteString("\n", f);
Py_XDECREF(tb);
Py_DECREF(value);
/* If an error happened here, don't show it.
XXX This is wrong, but too many callers rely on this behavior. */
if (err != 0)
PyErr_Clear();
}
void
PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb)
{
int err = 0;
PyObject *f = PySys_GetObject("stderr");
Py_INCREF(value);
if (f == NULL)
fprintf(stderr, "lost sys.stderr\n");
else {
if (Py_FlushLine())
PyErr_Clear();
fflush(stdout);
if (tb && tb != Py_None)
err = PyTraceBack_Print(tb, f);
if (err == 0 &&
PyObject_HasAttrString(value, "print_file_and_line"))
{
PyObject *message;
const char *filename, *text;
int lineno, offset;
if (!parse_syntax_error(value, &message, &filename,
&lineno, &offset, &text))
PyErr_Clear();
else {
char buf[10];
PyFile_WriteString(" File \"", f);
if (filename == NULL)
PyFile_WriteString("<string>", f);
else
PyFile_WriteString(filename, f);
PyFile_WriteString("\", line ", f);
PyOS_snprintf(buf, sizeof(buf), "%d", lineno);
PyFile_WriteString(buf, f);
PyFile_WriteString("\n", f);
if (text != NULL)
print_error_text(f, offset, text);
Py_DECREF(value);
value = message;
/* Can't be bothered to check all those
PyFile_WriteString() calls */
if (PyErr_Occurred())
err = -1;
}
}
if (err) {
/* Don't do anything else */
}
else if (PyExceptionClass_Check(exception)) {
PyObject* moduleName;
char* className = PyExceptionClass_Name(exception);
if (className != NULL) {
char *dot = strrchr(className, '.');
if (dot != NULL)
className = dot+1;
}
moduleName = PyObject_GetAttrString(exception, "__module__");
if (moduleName == NULL)
err = PyFile_WriteString("<unknown>", f);
else {
char* modstr = PyString_AsString(moduleName);
if (modstr && strcmp(modstr, "exceptions"))
{
err = PyFile_WriteString(modstr, f);
err += PyFile_WriteString(".", f);
}
Py_DECREF(moduleName);
}
if (err == 0) {
if (className == NULL)
err = PyFile_WriteString("<unknown>", f);
else
err = PyFile_WriteString(className, f);
}
}
else
err = PyFile_WriteObject(exception, f, Py_PRINT_RAW);
if (err == 0 && (value != Py_None)) {
PyObject *s = PyObject_Str(value);
/* only print colon if the str() of the
object is not the empty string
*/
if (s == NULL)
err = -1;
else if (!PyString_Check(s) ||
PyString_GET_SIZE(s) != 0)
err = PyFile_WriteString(": ", f);
if (err == 0)
err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
Py_XDECREF(s);
}
if (err == 0)
err = PyFile_WriteString("\n", f);
}
Py_DECREF(value);
/* If an error happened here, don't show it.
XXX This is wrong, but too many callers rely on this behavior. */
if (err != 0)
PyErr_Clear();
}
