- Add lottery and plain round robin cpu policies. I didn't test

them extensively, mind you. Closes task #14.
- Added documentation for each cpu policy
- Manage extra-exception into PythonCPUPolicy (when the .py
file doesn't contain a similarly named class)
- Update exception output in GuiBuilder to make it slightly
more descriptive


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@983 3ecf2c5c-341e-0410-92b4-d18e462d057c

plugins/pyloader/src/python_cpu_policy.cc

@@ -61,7 +61,9 @@ PythonCPUPolicy::PythonCPUPolicy(const char* name) throw(MalformedPolicyExceptio
 
   // Now takes the user-defined policy class from pUserCPUPolicyDict
   PyObject* pCPUPolicyClass = PyDict_GetItemString(_upolicy_dict, name);
-  assert(pCPUPolicyClass); // FIXME needs stricter checking and exception throwing
+  if (pCPUPolicyClass == NULL)
+    throw MalformedPolicyException(Glib::ustring(_("Cannot find a class named ")) + 
+                                   name + _(" into the corresponding .py file."));
 
   // Retrieve a description for the policy using the __doc__ attribute
   PyObject* pDescriptionString = PyObject_GetAttrString(pCPUPolicyClass, "__doc__");