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/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#if defined(_WIN32)
# include <Python/Python.h>
#else
# include <Python.h>
#endif
#include <frameobject.h>
#include "base/python_utils.h"
#include "base/string_utilities.h"
std::string format_python_traceback(PyObject *tb)
{
PyTracebackObject *trace = (PyTracebackObject*)tb;
std::string stack;
stack = "Traceback:\n";
while (trace && trace->tb_frame)
{
PyFrameObject *frame = (PyFrameObject*)trace->tb_frame;
stack += base::strfmt(" File \"%s\", line %i, in %s\n",
PyString_AsString(frame->f_code->co_filename),
trace->tb_lineno,
PyString_AsString(frame->f_code->co_name));
PyObject *code = PyErr_ProgramText(PyString_AsString(frame->f_code->co_filename), trace->tb_lineno);
if (code)
{
stack += base::strfmt(" %s", PyString_AsString(code));
Py_DECREF(code);
}
trace = trace->tb_next;
}
return stack;
}
std::string base::format_python_exception(std::string &summary)
{
std::string reason, stack;
PyObject *exc, *val, *tb;
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (val)
{
PyObject *tmp = PyObject_Str(val);
if (tmp)
{
reason = PyString_AsString(tmp);
Py_DECREF(tmp);
}
}
if (tb)
stack = format_python_traceback(tb);
else
stack = "No stack information. ";
PyErr_Restore(exc, val, tb);
summary = reason;
return stack + reason+"\n";
}
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