Now log_expt() logs a traceback

src/pyutils.c

@@ -436,7 +436,9 @@ void log_expt(int priority)
 	}
 
 	PyObject *expt, *expt_bytes, *expt_cls,
-		*expt_val, *expt_type, *traceback;
+		*expt_val, *expt_type, *traceback,
+		*tbmod, *tbfmt, *tbfmt_args, *tbstr, **lines;
+	Py_ssize_t i, nlines;
 	char *msg, *type, *val;
 	int msg_sz;
 	char msg_fmt[] = "%s: %s";
@@ -462,6 +464,30 @@ void log_expt(int priority)
 	snprintf(msg, msg_sz, msg_fmt, type, val);
 
 	pyfcgi_log(priority, msg);
+
+	//Fetching & logging traceback
+	tbmod = PyImport_ImportModule("traceback");
+	tbfmt = PyObject_GetAttrString(tbmod, "format_tb");
+	tbfmt_args = Py_BuildValue("(O)", traceback);
+	tbstr = PyObject_CallObject(tbfmt, tbfmt_args);
+	if(!tbstr)
+	{
+		pyfcgi_log(LOG_ALERT,"FAILS TO FOMAT");
+		PyErr_Fetch(&expt_cls, &expt, &traceback);
+		pyfcgi_log(LOG_ALERT, "%s", PyUnicode_AsUTF8(PyObject_ASCII(expt)));
+		return;
+	}
+	nlines = PySequence_Fast_GET_SIZE(tbstr);
+	lines = PySequence_Fast_ITEMS(tbstr);
+	for(i=0; i<nlines; i++)
+	{
+		pyfcgi_log(priority, PyUnicode_AsUTF8(lines[i]));
+	}
+	Py_DECREF(tbmod);
+	Py_DECREF(tbfmt);
+	Py_DECREF(tbfmt_args);
+	Py_DECREF(tbstr);
+
 }
 
 void pyfcgi_python_version(char version[16])