First but not optimized version of AstFormatDict

src/evaluators/PythonEvaluator.py

@@ -92,6 +92,9 @@ class PythonEvaluator(OneReturnValueEvaluator):
 
         debugger = context.get_debugger(PythonEvaluator.NAME, "eval")
         debugger.debug_entering(node=node)
+        exception_debugger = context.get_debugger("Exceptions", PythonEvaluator.NAME + ".eval")
+        get_trace_back = context.debug_enabled or exception_debugger.is_enabled()
+
         context.log(f"Evaluating python node {node}.", self.name)
 
         # If we evaluate a Concept metadata which is NOT the body ex (pre, post, where...)
@@ -136,9 +139,12 @@ class PythonEvaluator(OneReturnValueEvaluator):
             except Exception as ex:
                 if concepts_entries is None:
                     concepts_entries = self.get_concepts_entries_from_globals(my_globals)
-                errors.append(PythonEvalError(ex,
-                                              traceback.format_exc() if context.debug_enabled else None,
-                                              self.get_concepts_values_from_globals(globals_, concepts_entries)))
+                eval_error = PythonEvalError(ex,
+                                              traceback.format_exc() if get_trace_back else None,
+                                              self.get_concepts_values_from_globals(globals_, concepts_entries))
+                errors.append(eval_error)
+                exception_debugger.debug_var("exception", eval_error.error, is_error=True)
+                exception_debugger.debug_var("trace", eval_error.traceback, is_error=True)
 
         if evaluated == NotInit:
             if len(errors) == 1: