Python: include Python stack trace in the crash log
This helps Python developers troubleshoot errors when Python causes a crash.
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@ -55,6 +55,7 @@ void BPY_python_start(int argc, const char **argv);
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void BPY_python_end(void);
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void BPY_python_reset(struct bContext *C);
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void BPY_python_use_system_env(void);
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void BPY_python_backtrace(FILE *file);
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/* global interpreter lock */
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@ -360,6 +360,20 @@ void PyC_StackSpit(void)
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}
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}
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void PyC_StackPrint(FILE *fp)
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{
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PyThreadState *tstate = PyGILState_GetThisThreadState();
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if (tstate != NULL && tstate->frame != NULL) {
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PyFrameObject *frame = tstate->frame;
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do {
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const int line = PyCode_Addr2Line(frame->f_code, frame->f_lasti);
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const char *filename = _PyUnicode_AsString(frame->f_code->co_filename);
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const char *funcname = _PyUnicode_AsString(frame->f_code->co_name);
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fprintf(fp, " File \"%s\", line %d in %s\n", filename, line, funcname);
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} while ((frame = frame->f_back));
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}
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}
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void PyC_FileAndNum(const char **r_filename, int *r_lineno)
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{
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PyFrameObject *frame;
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@ -28,6 +28,7 @@ void PyC_ObSpit(const char *name, PyObject *var);
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void PyC_ObSpitStr(char *result, size_t result_len, PyObject *var);
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void PyC_LineSpit(void);
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void PyC_StackSpit(void);
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void PyC_StackPrint(FILE *fp);
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PyObject *PyC_ExceptionBuffer(void);
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PyObject *PyC_ExceptionBuffer_Simple(void);
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PyObject *PyC_Object_GetAttrStringArgs(PyObject *o, Py_ssize_t n, ...);
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@ -436,6 +436,12 @@ static void python_script_error_jump_text(struct Text *text)
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}
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}
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void BPY_python_backtrace(FILE *fp)
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{
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fputs("\n# Python backtrace\n", fp);
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PyC_StackPrint(fp);
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}
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/* super annoying, undo _PyModule_Clear(), bug [#23871] */
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#define PYMODULE_CLEAR_WORKAROUND
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@ -59,6 +59,10 @@
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# include <signal.h>
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# ifdef WITH_PYTHON
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# include "BPY_extern.h" /* BPY_python_backtrace */
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# endif
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# include "creator_intern.h" /* own include */
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// #define USE_WRITE_CRASH_BLEND
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@ -174,6 +178,11 @@ static void sig_handle_crash(int signum)
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sig_handle_crash_backtrace(fp);
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# ifdef WITH_PYTHON
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/* Generate python back-trace if Python is currently active. */
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BPY_python_backtrace(fp);
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# endif
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fclose(fp);
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}
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