Function PP_Fetch_Error_Text

src/Base/PyTools.c:216–323

void PP_Fetch_Error_Text()
{

    char *tempstr = NULL;
    PyObject *errobj = NULL, *errdata = NULL, *errtraceback = NULL, *pystring = NULL, *pydict = NULL;

    /* get latest python exception information */
    /* this also clears the current exception  */

    PyErr_Fetch(&errobj, &errdata, &errtraceback);       /* all 3 incref'd */


    /* convert type and data to strings */
    /* calls str() on both to stringify */

    pystring = NULL;
    if (errobj != NULL &&
       (pystring = PyObject_Str(errobj)) != NULL &&      /* str(errobj) */
       (PyUnicode_Check(pystring)) )                      /* str() increfs */
    {
        strncpy(PP_last_error_type, PyUnicode_AsUTF8(pystring), MAX); /*Py->C*/
        PP_last_error_type[MAX-1] = '\0';
    }
    else
    {
        PP_last_error_type[0] = '\0';
    }

    Py_XDECREF(pystring);

    pystring = NULL;
    pydict = NULL;
    if (errdata != NULL &&
        (PyDict_Check(errdata)) )                      /* str() increfs */
    {
        // PyDict_GetItemString returns a borrowed reference
        // so we must make sure not to decrement the reference
        PyObject* value = PyDict_GetItemString(errdata,"swhat");

        if (value!=NULL) {
            strncpy(PP_last_error_info, PyUnicode_AsUTF8(value), MAX);
            PP_last_error_info[MAX-1] = '\0';
        }

        pydict = errdata;
        Py_INCREF(pydict);
    }
    else if (errdata != NULL &&
       (pystring = PyObject_Str(errdata)) != NULL &&     /* str(): increfs */
       (PyUnicode_Check(pystring)) )
    {
        strncpy(PP_last_error_info, PyUnicode_AsUTF8(pystring), MAX); /*Py->C*/
        PP_last_error_info[MAX-1] = '\0';
    }
    else
        strcpy(PP_last_error_info, "<unknown exception data>");

    Py_XDECREF(pystring);