C Python Division gcc error_handling.cpp -I /usr/include/python2.7/ -lpython2.7 -lstdc++ -o error_handling ./error_handling

error_handling.cpp

#include <Python.h>
#include <iostream>

using namespace std;

int main()
{
    Py_Initialize();
    PyObject* po_operator = PyImport_ImportModule("operator");
    PyObject* po_division = PyObject_GetAttrString(po_operator, "div");
    PyObject* po_arg1 = PyInt_FromLong(30);
    PyObject* po_arg2 = PyInt_FromLong(1);

    PyObject* po_result = PyObject_CallFunctionObjArgs(po_division, po_arg1, po_arg2, NULL);
    PyObject* Err = PyErr_Occurred();
    if (Err) {
        PyObject *ptype, *pvalue, *ptraceback;
        PyErr_Fetch(&ptype, &pvalue, &ptraceback);
        char *pStrErrorMessage = PyString_AsString(pvalue);
        cout << pStrErrorMessage << endl;
    }
    else {
        long resultstr = PyInt_AsLong(po_result);
        cout << resultstr << endl;
    }

    Py_DECREF(po_arg1);
    Py_DECREF(po_arg2);
    Py_DECREF(po_division);
    Py_DECREF(po_operator);
    Py_Finalize();
    return 0;
}