- Added some code for better error-reporting in case of malformed policies. Actually it`s commented because it doesn`t work...

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@831 3ecf2c5c-341e-0410-92b4-d18e462d057c

plugins/pyloader/src/python_cpu_policy.cc

@@ -35,6 +35,12 @@ using namespace std;
 PythonCPUPolicy::PythonCPUPolicy(const char* name) throw(MalformedPolicyException)
     : _upolicy_dict(NULL), _adapter(NULL), _name(name)
 {
+  //PyRun_SimpleString("import StringIO\nimport sys\nsys.stderr = cStringIO.StringIO()\n");
+
+  //PyObject* pBuiltinsMod = PyImport_ImportModule("__builtin__");
+  //PyObject* pBuiltinsDict = PyModule_GetDict(pBuiltinsMod);
+
+
   PyObject* pLoadmeStr = PyString_FromString(name);
   PyObject* pUserCPUPolicyModule = PyImport_Import(pLoadmeStr);
   Py_DECREF(pLoadmeStr);
@@ -42,7 +48,17 @@ PythonCPUPolicy::PythonCPUPolicy(const char* name) throw(MalformedPolicyExceptio
   if( !pUserCPUPolicyModule )
   {
     PyErr_Print(); // Error in import
-    throw MalformedPolicyException("this message should be the stuff printed by PyErr_Print");
+
+    
+//    PyObject* msg = PyRun_String("import sys\nsys.stderr.getvalue()", Py_eval_input, pBuiltinsDict, NULL);
+
+    
+//    if(msg == NULL)
+//      PyErr_Print();
+
+//    char* str = PyString_AsString(msg);
+//    throw MalformedPolicyException(PyString_AS_STRING(msg));
+    throw MalformedPolicyException("");
   }
 
   // Dictionary with defined ``symbols'' for .pyc file
@@ -69,9 +85,15 @@ PythonCPUPolicy::PythonCPUPolicy(const char* name) throw(MalformedPolicyExceptio
   PyTuple_SetItem(pAdapterCtorParam, 0, pCPUPolicyClass);
   _adapter = PyInstance_New(pAdapterClass, pAdapterCtorParam, NULL);
   Py_DECREF(pAdapterCtorParam);
-  assert(_adapter);
-
+  
   Py_DECREF(pScriptAdapterModule);
+  
+  if(_adapter == NULL)
+  {
+    PyErr_Print();
+    throw MalformedPolicyException(_("unable to instantiate ScriptAdapter, "
+	"check that all methods are implemented"));
+  }
 
   // And now, who's your daddy, huh?
 }

plugins/pyloader/src/python_cpu_policy_manager.cc

@@ -141,7 +141,7 @@ PythonCPUPolicyManager::collect_policies()
 	}
 	catch(MalformedPolicyException e)
 	{
-	  // TODO do something here someday
+	  std::cerr << e.what() << endl;
 	}
       }
       else