GIT_REPOSITORIES/LPP/PythonQt Commit - r22:29d38290403f

changed implementation to allow deriving python classes from PythonQt classes...

florianlink -

r22:29d38290403f

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r22:29d38290403f

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src/PythonQtClassWrapper.cpp +64 -10

             /*
              *
              *  Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
              *
              *  This library is free software; you can redistribute it and/or
              *  modify it under the terms of the GNU Lesser General Public
              *  License as published by the Free Software Foundation; either
              *  version 2.1 of the License, or (at your option) any later version.
              *
              *  This library is distributed in the hope that it will be useful,
              *  but WITHOUT ANY WARRANTY; without even the implied warranty of
              *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
              *  Lesser General Public License for more details.
              *
              *  Further, this software is distributed without any warranty that it is
              *  free of the rightful claim of any third person regarding infringement
              *  or the like.  Any license provided herein, whether implied or
              *  otherwise, applies only to this software file.  Patent licenses, if
              *  any, provided herein do not apply to combinations of this program with
              *  other software, or any other product whatsoever.
              *
              *  You should have received a copy of the GNU Lesser General Public
              *  License along with this library; if not, write to the Free Software
              *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
              *
              *  Contact information: MeVis Research GmbH, Universitaetsallee 29,
              *  28359 Bremen, Germany or:
              *
              *  http://www.mevis.de
              *
              */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtClassWrapper.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtClassWrapper.h"
             #include <QObject>
             #include "PythonQt.h"
             #include "PythonQtSlot.h"
             #include "PythonQtClassInfo.h"
             #include "PythonQtConversion.h"
+            #include "PythonQtInstanceWrapper.h"
             static PyObject* PythonQtClassWrapper_alloc(PyTypeObject *self, Py_ssize_t nitems)
             {
               // call the default type alloc
               PyObject* obj = PyType_Type.tp_alloc(self, nitems);
               // take current class type, if we are called via newPythonQtClassWrapper()
               PythonQtClassWrapper* wrap = (PythonQtClassWrapper*)obj;
               wrap->_classInfo = PythonQt::priv()->currentClassInfoForClassWrapperCreation();
               return obj;
             }
             static int PythonQtClassWrapper_init(PythonQtClassWrapper* self, PyObject* args, PyObject* kwds)
             {
               // call the default type init
               if (PyType_Type.tp_init((PyObject *)self, args, kwds) < 0) {
                 return -1;
               }
               // if we have no CPP class information, try our base class
               if (!self->classInfo()) {
                 PyTypeObject*  superType = ((PyTypeObject *)self)->tp_base;
                 if (!superType || (superType->ob_type != &PythonQtClassWrapper_Type)) {
                   PyErr_Format(PyExc_TypeError, "type %s is not derived from PythonQtClassWrapper", ((PyTypeObject*)self)->tp_name);
                   return -1;
                 }
                 // take the class info from the superType
                 self->_classInfo = ((PythonQtClassWrapper*)superType)->classInfo();
               }
               return 0;
             }
             static PyObject *PythonQtClassWrapper_classname(PythonQtClassWrapper* type)
             {
               return PyString_FromString((QString("Class_") + type->classInfo()->className()).toLatin1().data());
             }
             static PyObject *PythonQtClassWrapper_help(PythonQtClassWrapper* type)
             {
               return PythonQt::self()->helpCalled(type->classInfo());
             }
+            PyObject *PythonQtClassWrapper__init__(PythonQtClassWrapper *type, PyObject *args)
+            {
+              Py_ssize_t argc = PyTuple_Size(args);
+              if (argc>0) {
+                // we need to call __init__ of the instance
+                PyObject* self = PyTuple_GET_ITEM(args, 0);
+                if (PyObject_TypeCheck(self, (PyTypeObject*)type->classInfo()->pythonQtClassWrapper())) {
+                  PyObject* newargs = PyTuple_New(argc-1);
+                  for (int i = 0;i<argc-1; i++) {
+                    PyTuple_SET_ITEM(newargs, i,PyTuple_GET_ITEM(args, i+1));
+                  }
+                  PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)self;
+                  int result = PythonQtInstanceWrapper_init(wrapper, newargs, NULL);
+                  Py_DECREF(newargs);
+                  if (result==0) {
+                    Py_INCREF(Py_None);
+                    return Py_None;
+                  } else {
+                    // init failed!
+                  }
+                } else {
+                  // self not of correct type!
+                }
+              } else {
+                // wrong number of args
+              }
+              return NULL;
+            }
             static PyMethodDef PythonQtClassWrapper_methods[] = {
+                {"__init__", (PyCFunction)PythonQtClassWrapper__init__, METH_VARARGS,
+                "Return the classname of the object"
+                },
                 {"className", (PyCFunction)PythonQtClassWrapper_classname, METH_NOARGS,
                  "Return the classname of the object"
                 },
                 {"help", (PyCFunction)PythonQtClassWrapper_help, METH_NOARGS,
                 "Shows the help of available methods for this class"
                 },
                 {NULL, NULL, 0 , NULL}  /* Sentinel */
             };
             static PyObject *PythonQtClassWrapper_getattro(PyObject *obj, PyObject *name)
             {
               const char *attributeName;
               PythonQtClassWrapper *wrapper = (PythonQtClassWrapper *)obj;
               if ((attributeName = PyString_AsString(name)) == NULL) {
                 return NULL;
               }
+              if (obj == (PyObject*)&PythonQtInstanceWrapper_Type) {
+                return NULL;
+              }
+              if (qstrcmp(attributeName, "__dict__")==0) {
+                PyObject* dict = ((PyTypeObject *)wrapper)->tp_dict;
+                if (!wrapper->classInfo()) {
+                  Py_INCREF(dict);
+                  return dict;
+                }
+                dict = PyDict_Copy(dict);
+                QStringList l = wrapper->classInfo()->memberList(true);
+                foreach (QString name, l) {
+                  PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
+                  PyDict_SetItemString(dict, name.toLatin1().data(), o);
+                  Py_DECREF(o);
+                }
+                if (wrapper->classInfo()->constructors()) {
+                  PyDict_SetItemString(dict, "__init__", PyCFunction_New(&PythonQtClassWrapper_methods[0], obj));
+                }
+                PyDict_SetItemString(dict, PythonQtClassWrapper_methods[1].ml_name, PyCFunction_New(&PythonQtClassWrapper_methods[1], obj));
+                PyDict_SetItemString(dict, PythonQtClassWrapper_methods[2].ml_name, PyCFunction_New(&PythonQtClassWrapper_methods[2], obj));
+                return dict;
+              }
+              if (wrapper->classInfo()) {
                 PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName);
                 if (member._type == PythonQtMemberInfo::EnumValue) {
                   return PyInt_FromLong(member._enumValue);
+                } else
                 if (member._type == PythonQtMemberInfo::Slot && member._slot->isClassDecorator()) {
                   return PythonQtSlotFunction_New(member._slot, obj, NULL);
                 }
+              }
               // look for the interal methods (className(), help())
               PyObject* internalMethod = Py_FindMethod( PythonQtClassWrapper_methods, obj, (char*)attributeName);
               if (internalMethod) {
                 return internalMethod;
               }
               PyErr_Clear();
-              if (qstrcmp(attributeName, "__dict__")==0) {
+              // look in super
-                QStringList l = wrapper->classInfo()->memberList(true);
+              PyObject* superAttr = PyType_Type.tp_getattro(obj, name);
-                PyObject* dict = PyDict_New();
+              if (superAttr) {
-                foreach (QString name, l) {
+                return superAttr;
-                  //PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
-                  PyDict_SetItemString(dict, name.toLatin1().data(), Py_None);
-                  //Py_DECREF(o);
-                return dict;
               }
               QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'";
               PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
               return NULL;
             }
             static int PythonQtClassWrapper_setattro(PyObject *obj,PyObject *name,PyObject * /*value*/)
             {
               QString error;
               char *attributeName;
               if ((attributeName = PyString_AsString(name)) == NULL) {
                 return -1;
               }
               PythonQtClassWrapper *wrapper = (PythonQtClassWrapper *)obj;
               // TODO
               return -1;
             }
             /*
             static PyObject * PythonQtClassWrapper_repr(PyObject * obj)
             {
               PythonQtClassWrapper* wrapper = (PythonQtClassWrapper*)obj;
               if (wrapper->classInfo()->isCPPWrapper()) {
                 const QMetaObject* meta = wrapper->classInfo()->metaObject();
                 if (!meta) {
                   QObject* decorator = wrapper->classInfo()->decorator();
                   if (decorator) {
                     meta = decorator->metaObject();
                   }
                 }
                 if (meta) {
                   return PyString_FromFormat("%s Class (C++ wrapped by %s)", wrapper->classInfo()->className(), meta->className());
                 } else {
                   return PyString_FromFormat("%s Class (C++ unwrapped)", wrapper->classInfo()->className());
                 }
               } else {
                 return PyString_FromFormat("%s Class", wrapper->classInfo()->className());
               }
             }
             */
             PyTypeObject PythonQtClassWrapper_Type = {
                 PyObject_HEAD_INIT(NULL)
 ,                         /*ob_size*/
                 "PythonQt.PythonQtClassWrapper",             /*tp_name*/
                 sizeof(PythonQtClassWrapper),             /*tp_basicsize*/
 ,                         /*tp_itemsize*/
 ,                         /*tp_dealloc*/
 ,                         /*tp_print*/
 ,                         /*tp_getattr*/
 ,                         /*tp_setattr*/
 ,                         /*tp_compare*/
 , //PythonQtClassWrapper_repr,            /*tp_repr*/
 ,                         /*tp_as_number*/
 ,                         /*tp_as_sequence*/
 ,                         /*tp_as_mapping*/
 ,                         /*tp_hash */
 ,                         /*tp_call*/
 ,                         /*tp_str*/
                 PythonQtClassWrapper_getattro,                         /*tp_getattro*/
                 PythonQtClassWrapper_setattro,                         /*tp_setattro*/
 ,                         /*tp_as_buffer*/
                 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
 ,           /* tp_doc */
 ,                   /* tp_traverse */
 ,                   /* tp_clear */
 ,                   /* tp_richcompare */
 ,                   /* tp_weaklistoffset */
 ,                   /* tp_iter */
 ,                   /* tp_iternext */
 ,                   /* tp_methods */
 ,                   /* tp_members */
 ,                         /* tp_getset */
 ,                         /* tp_base */
 ,                         /* tp_dict */
 ,                         /* tp_descr_get */
 ,                         /* tp_descr_set */
 ,                         /* tp_dictoffset */
                 (initproc)PythonQtClassWrapper_init,      /* tp_init */
                 PythonQtClassWrapper_alloc,                         /* tp_alloc */
 ,                         /* tp_new */
 ,                         /* tp_free */
             };
             //-------------------------------------------------------

src/PythonQtInstanceWrapper.cpp +28 -20

             /*
             *
             *  Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
             *
             *  This library is free software; you can redistribute it and/or
             *  modify it under the terms of the GNU Lesser General Public
             *  License as published by the Free Software Foundation; either
             *  version 2.1 of the License, or (at your option) any later version.
             *
             *  This library is distributed in the hope that it will be useful,
             *  but WITHOUT ANY WARRANTY; without even the implied warranty of
             *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
             *  Lesser General Public License for more details.
             *
             *  Further, this software is distributed without any warranty that it is
             *  free of the rightful claim of any third person regarding infringement
             *  or the like.  Any license provided herein, whether implied or
             *  otherwise, applies only to this software file.  Patent licenses, if
             *  any, provided herein do not apply to combinations of this program with
             *  other software, or any other product whatsoever.
             *
             *  You should have received a copy of the GNU Lesser General Public
             *  License along with this library; if not, write to the Free Software
             *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
             *
             *  Contact information: MeVis Research GmbH, Universitaetsallee 29,
             *  28359 Bremen, Germany or:
             *
             *  http://www.mevis.de
             *
             */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtInstanceWrapper.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtInstanceWrapper.h"
             #include <QObject>
             #include "PythonQt.h"
             #include "PythonQtSlot.h"
             #include "PythonQtClassInfo.h"
             #include "PythonQtConversion.h"
             #include "PythonQtClassWrapper.h"
             PythonQtClassInfo* PythonQtInstanceWrapperStruct::classInfo()
             {
               // take the class info from our type object
               return ((PythonQtClassWrapper*)ob_type)->_classInfo;
             }
             static void PythonQtInstanceWrapper_deleteObject(PythonQtInstanceWrapper* self, bool force = false) {
               // is this a C++ wrapper?
               if (self->_wrappedPtr) {
                 //mlabDebugConst("Python","c++ wrapper removed " << self->_wrappedPtr << " " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1());
                 PythonQt::priv()->removeWrapperPointer(self->_wrappedPtr);
                 // we own our qobject, so we delete it now:
                 delete self->_obj;
                 self->_obj = NULL;
                 if (force || self->classInfo()->hasOwnerMethodButNoOwner(self->_wrappedPtr) || self->_ownedByPythonQt) {
                   int type = self->classInfo()->metaTypeId();
                   if (self->_useQMetaTypeDestroy && type>=0) {
                     // use QMetaType to destroy the object
                     QMetaType::destroy(type, self->_wrappedPtr);
                   } else {
                     PythonQtSlotInfo* slot = PythonQt::priv()->getDestructorSlot(self->classInfo()->className());
                     if (slot) {
                       void* args[2];
                       args[0] = NULL;
                       args[1] = &self->_wrappedPtr;
                       slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args);
                       self->_wrappedPtr = NULL;
                     } else {
                       if (type>=0) {
                         // use QMetaType to destroy the object
                         QMetaType::destroy(type, self->_wrappedPtr);
                       } else {
                         // TODO: warn about not being able to destroy the object?
                       }
                     }
                   }
                 }
               } else {
                 //mlabDebugConst("Python","qobject wrapper removed " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1());
                 if (self->_objPointerCopy) {
                   PythonQt::priv()->removeWrapperPointer(self->_objPointerCopy);
                 }
                 if (self->_obj) {
                   if (force || self->_ownedByPythonQt) {
                     if (force || !self->_obj->parent()) {
                       delete self->_obj;
                     }
                   } else {
                     if (self->_obj->parent()==NULL) {
                       // tell someone who is interested that the qobject is no longer wrapped, if it has no parent
                       PythonQt::qObjectNoLongerWrappedCB(self->_obj);
                     }
                   }
                 }
               }
               self->_obj = NULL;
             }
             static void PythonQtInstanceWrapper_dealloc(PythonQtInstanceWrapper* self)
             {
               PythonQtInstanceWrapper_deleteObject(self);
               self->_obj.~QPointer<QObject>();
               self->ob_type->tp_free((PyObject*)self);
             }
             static PyObject* PythonQtInstanceWrapper_new(PyTypeObject *type, PyObject * args, PyObject * /*kwds*/)
             {
               PythonQtClassWrapper    *classType = (PythonQtClassWrapper*)type;
               PythonQtInstanceWrapper *self;
               static PyObject* emptyTuple = NULL;
               if (emptyTuple==NULL) {
                 emptyTuple = PyTuple_New(0);
               }
               self = (PythonQtInstanceWrapper*)PyBaseObject_Type.tp_new(type, emptyTuple, NULL);
               if (self != NULL) {
                 new (&self->_obj) QPointer<QObject>();
                 self->_wrappedPtr = NULL;
                 self->_ownedByPythonQt = false;
                 self->_useQMetaTypeDestroy = false;
               }
               return (PyObject *)self;
             }
-            static int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds)
+            int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds)
             {
               PyObject* result = NULL;
               if (args == PythonQtPrivate::dummyTuple()) {
                 // we are called from the internal PythonQt API, so our data will be filled later on...
                 return 0;
               }
               // we are called from python, try to construct our object
               if (self->classInfo()->constructors()) {
                 void* directCPPPointer = NULL;
                 PythonQtSlotFunction_CallImpl(NULL, self->classInfo()->constructors(), args, kwds, NULL, &directCPPPointer);
                 if (PyErr_Occurred()) {
                   return -1;
                 }
                 if (directCPPPointer) {
                   // change ownershipflag to be owned by PythonQt
                   self->_ownedByPythonQt = true;
                   self->_useQMetaTypeDestroy = false;
                   if (self->classInfo()->isCPPWrapper()) {
                     self->_wrappedPtr = directCPPPointer;
                     // TODO xxx: if there is a wrapper factory, we might want to generate a wrapper for our class?!
                   } else {
                     self->setQObject((QObject*)directCPPPointer);
                   }
                   // register with PythonQt
                   PythonQt::priv()->addWrapperPointer(directCPPPointer, self);
                 }
               } else {
                 QString error = QString("No constructors available for ") + self->classInfo()->className();
                 PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
                 return -1;
               }
               return 0;
             }
             static PyObject *PythonQtInstanceWrapper_classname(PythonQtInstanceWrapper* type)
             {
               return PyString_FromString(type->classInfo()->className());
             }
             static PyObject *PythonQtInstanceWrapper_help(PythonQtInstanceWrapper* type)
             {
               return PythonQt::self()->helpCalled(type->classInfo());
             }
             static PyObject *PythonQtInstanceWrapper_delete(PythonQtInstanceWrapper * self)
             {
               PythonQtInstanceWrapper_deleteObject(self, true);
               Py_INCREF(Py_None);
               return Py_None;
             }
             static PyMethodDef PythonQtInstanceWrapper_methods[] = {
                 {"className", (PyCFunction)PythonQtInstanceWrapper_classname, METH_NOARGS,
                  "Return the classname of the object"
                 },
                 {"help", (PyCFunction)PythonQtInstanceWrapper_help, METH_NOARGS,
                 "Shows the help of available methods for this class"
                 },
                 {"delete", (PyCFunction)PythonQtInstanceWrapper_delete, METH_NOARGS,
                 "Deletes the C++ object (at your own risk, my friend!)"
                 },
             {NULL, NULL, 0, NULL}  /* Sentinel */
             };
             static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name)
             {
               const char *attributeName;
               PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;
               if ((attributeName = PyString_AsString(name)) == NULL) {
                 return NULL;
               }
               if (!wrapper->_obj && !wrapper->_wrappedPtr) {
                 QString error = QString("Trying to read attribute '") + attributeName + "' from a destroyed " + wrapper->classInfo()->className() + " object";
                 PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
                 return NULL;
               }
               //  mlabDebugConst("Python","get " << attributeName);
               // TODO: dynamic properties are missing
               PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName);
               switch (member._type) {
               case PythonQtMemberInfo::Property:
                 if (wrapper->_obj) {
                   return PythonQtConv::QVariantToPyObject(member._property.read(wrapper->_obj));
                 }
                 break;
               case PythonQtMemberInfo::Slot:
                 return PythonQtSlotFunction_New(member._slot, obj, NULL);
                 break;
               case PythonQtMemberInfo::EnumValue:
                 return PyInt_FromLong(member._enumValue);
                 break;
                 default:
                   // is an invalid type, go on
                 break;
               }
               // look for the interal methods (className(), help())
               PyObject* internalMethod = Py_FindMethod( PythonQtInstanceWrapper_methods, obj, (char*)attributeName);
               if (internalMethod) {
                 return internalMethod;
               }
               PyErr_Clear();
-              if (wrapper->_obj) {
-                // look for a child
-                QObjectList children = wrapper->_obj->children();
-                for (int i = 0; i < children.count(); i++) {
-                  QObject *child = children.at(i);
-                  if (child->objectName() == attributeName) {
-                    return PythonQt::self()->priv()->wrapQObject(child);
               if (qstrcmp(attributeName, "__dict__")==0) {
                 QStringList l = wrapper->classInfo()->memberList(false);
                 PyObject* dict = PyDict_New();
                 foreach (QString name, l) {
-                  //PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
+                  PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
                   PyDict_SetItemString(dict, name.toLatin1().data(), Py_None);
-                  //Py_DECREF(o);
+                  Py_DECREF(o);
                 }
                 // Note: we do not put children into the dict, is would look confusing?!
                 return dict;
               }
+              // look in super
+              PyObject* superAttr = PyBaseObject_Type.tp_getattro(obj, name);
+              if (superAttr) {
+                return superAttr;
+              }
+              if (wrapper->_obj) {
+                // look for a child
+                QObjectList children = wrapper->_obj->children();
+                for (int i = 0; i < children.count(); i++) {
+                  QObject *child = children.at(i);
+                  if (child->objectName() == attributeName) {
+                    return PythonQt::self()->priv()->wrapQObject(child);
+                  }
+                }
+              }
               QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'";
               PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
               return NULL;
             }
             static int PythonQtInstanceWrapper_setattro(PyObject *obj,PyObject *name,PyObject *value)
             {
               QString error;
               char *attributeName;
               PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;
               if ((attributeName = PyString_AsString(name)) == NULL)
                 return -1;
               if (!wrapper->_obj) {
                 error = QString("Trying to set attribute '") + attributeName + "' on a destroyed " + wrapper->classInfo()->className() + " object";
                 PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
                 return -1;
               }
               PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName);
               if (member._type == PythonQtMemberInfo::Property) {
                 QMetaProperty prop = member._property;
                 if (prop.isWritable()) {
                   QVariant v;
                   if (prop.isEnumType()) {
                     // this will give us either a string or an int, everything else will probably be an error
                     v = PythonQtConv::PyObjToQVariant(value);
                   } else {
                     int t = prop.userType();
                     v = PythonQtConv::PyObjToQVariant(value, t);
                   }
                   bool success = false;
                   if (v.isValid()) {
                     success = prop.write(wrapper->_obj, v);
                   }
                   if (success) {
                     return 0;
                   } else {
                     error = QString("Property '") + attributeName + "' of type '" +
                       prop.typeName() + "' does not accept an object of type "
                       + QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")";
                   }
                 } else {
                   error = QString("Property '") + attributeName + "' of " + wrapper->classInfo()->className() + " object is not writable";
                 }
               } else {
                 if (member._type == PythonQtMemberInfo::Slot) {
                   error = QString("Slot '") + attributeName + "' can not be overwritten on " + wrapper->classInfo()->className() + " object";
                 } else if (member._type == PythonQtMemberInfo::EnumValue) {
                   error = QString("EnumValue '") + attributeName + "' can not be overwritten on " + wrapper->classInfo()->className() + " object";
                 }
               }
               PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
               return -1;
             }
             static PyObject * PythonQtInstanceWrapper_str(PyObject * obj)
             {
               PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
+              const char* typeName = obj->ob_type->tp_name;
               QObject *qobj = wrapper->_obj;
               if (wrapper->_wrappedPtr) {
                 QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr);
                 if (!str.isEmpty()) {
                   return PyString_FromFormat("%s", str.toLatin1().constData());
                 } else
                 if (wrapper->_obj) {
-                  return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", wrapper->classInfo()->className(), wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
+                  return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
                 } else {
-                  return PyString_FromFormat("%s (C++ Object %p)", wrapper->classInfo()->className(), wrapper->_wrappedPtr);
+                  return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr);
                 }
               } else {
-                return PyString_FromFormat("%s (QObject %p)", wrapper->classInfo()->className(), qobj);
+                return PyString_FromFormat("%s (QObject %p)", typeName, qobj);
               }
             }
             static PyObject * PythonQtInstanceWrapper_repr(PyObject * obj)
             {
               PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
+              const char* typeName = obj->ob_type->tp_name;
               QObject *qobj = wrapper->_obj;
               if (wrapper->_wrappedPtr) {
                 QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr);
                 if (!str.isEmpty()) {
-                  return PyString_FromFormat("%s(%s, %p)", QMetaType::typeName(wrapper->classInfo()->metaTypeId()), str.toLatin1().constData(), wrapper->_wrappedPtr);
+                  return PyString_FromFormat("%s(%s, %p)", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr);
                 } else
                 if (wrapper->_obj) {
-                  return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", wrapper->classInfo()->className(), wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
+                  return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
                 } else {
-                  return PyString_FromFormat("%s (C++ Object %p)", wrapper->classInfo()->className(), wrapper->_wrappedPtr);
+                  return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr);
                 }
               } else {
                 return PyString_FromFormat("%s (QObject %p)", wrapper->classInfo()->className(), qobj);
               }
             }
             static int PythonQtInstanceWrapper_compare(PyObject * obj1, PyObject * obj2)
             {
               if (PyObject_TypeCheck(obj1, &PythonQtInstanceWrapper_Type) &&
                 PyObject_TypeCheck(obj2, &PythonQtInstanceWrapper_Type)) {
                 PythonQtInstanceWrapper* w1 = (PythonQtInstanceWrapper*)obj1;
                 PythonQtInstanceWrapper* w2 = (PythonQtInstanceWrapper*)obj2;
                 // check pointers directly first:
                 if (w1->_wrappedPtr != NULL) {
                   if (w1->_wrappedPtr == w2->_wrappedPtr) {
                     return 0;
                   }
                 } else if (w1->_obj == w2->_obj) {
                   return 0;
                 }
                 const char* class1 = w1->classInfo()->className();
                 const char* class2 = w2->classInfo()->className();
                 if (strcmp(class1, class2) == 0) {
                   // same class names, so we can try the operator_equal
                   PythonQtMemberInfo info = w1->classInfo()->member("operator_equal");
                   if (info._type == PythonQtMemberInfo::Slot) {
                     bool result = false;
                     void* obj1 = w1->_wrappedPtr;
                     if (!obj1) {
                       obj1 = w1->_obj;
                     }
                     if (!obj1) { return -1; }
                     void* obj2 = w2->_wrappedPtr;
                     if (!obj2) {
                       obj2 = w2->_obj;
                     }
                     if (!obj2) { return -1; }
                     if (info._slot->isInstanceDecorator()) {
                       // call on decorator QObject
                       void* args[3];
                       args[0] = &result;
                       args[1] = &obj1; // this is a pointer, so it needs a pointer to a pointer
                       args[2] = obj2;  // this is a reference, so it needs the direct pointer
                       info._slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args);
                       return result?0:-1;
                     } else {
                       // call directly on QObject
                       if (w1->_obj && w2->_obj) {
                         void* args[2];
                         args[0] = &result;
                         args[2] = obj2;  // this is a reference, so it needs the direct pointer
                         w1->_obj->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args);
                       }
                     }
                   }
                 }
               }
               return -1;
             }
             static int PythonQtInstanceWrapper_nonzero(PyObject *obj)
             {
               PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
               return (wrapper->_wrappedPtr == NULL && wrapper->_obj == NULL)?0:1;
             }
             static long PythonQtInstanceWrapper_hash(PythonQtInstanceWrapper *obj)
             {
               if (obj->_wrappedPtr != NULL) {
                 return reinterpret_cast<long>(obj->_wrappedPtr);
               } else {
                 QObject* qobj = obj->_obj; // get pointer from QPointer wrapper
                 return reinterpret_cast<long>(qobj);
               }
             }
             // we override nb_nonzero, so that one can do 'if' expressions to test for a NULL ptr
             static PyNumberMethods PythonQtInstanceWrapper_as_number = {
 ,      /* nb_add */
 ,      /* nb_subtract */
 ,      /* nb_multiply */
 ,      /* nb_divide */
 ,      /* nb_remainder */
 ,      /* nb_divmod */
 ,      /* nb_power */
 ,      /* nb_negative */
 ,      /* nb_positive */
 ,      /* nb_absolute */
                 PythonQtInstanceWrapper_nonzero,      /* nb_nonzero */
 ,      /* nb_invert */
 ,      /* nb_lshift */
 ,      /* nb_rshift */
 ,    /* nb_and */
 ,    /* nb_xor */
 ,    /* nb_or */
 ,      /* nb_coerce */
 ,      /* nb_int */
 ,      /* nb_long */
 ,      /* nb_float */
 ,      /* nb_oct */
 ,      /* nb_hex */
 ,      /* nb_inplace_add */
 ,      /* nb_inplace_subtract */
 ,      /* nb_inplace_multiply */
 ,      /* nb_inplace_divide */
 ,      /* nb_inplace_remainder */
 ,      /* nb_inplace_power */
 ,      /* nb_inplace_lshift */
 ,      /* nb_inplace_rshift */
 ,      /* nb_inplace_and */
 ,      /* nb_inplace_xor */
 ,      /* nb_inplace_or */
 ,      /* nb_floor_divide */
 ,      /* nb_true_divide */
 ,      /* nb_inplace_floor_divide */
 ,      /* nb_inplace_true_divide */
             };
             PyTypeObject PythonQtInstanceWrapper_Type = {
                 PyObject_HEAD_INIT(&PythonQtClassWrapper_Type)
 ,                         /*ob_size*/
                 "PythonQt.PythonQtInstanceWrapper",             /*tp_name*/
                 sizeof(PythonQtInstanceWrapper),             /*tp_basicsize*/
 ,                         /*tp_itemsize*/
                 (destructor)PythonQtInstanceWrapper_dealloc, /*tp_dealloc*/
 ,                         /*tp_print*/
 ,                         /*tp_getattr*/
 ,                         /*tp_setattr*/
                 PythonQtInstanceWrapper_compare,         /*tp_compare*/
                 PythonQtInstanceWrapper_repr,            /*tp_repr*/
                 &PythonQtInstanceWrapper_as_number,                         /*tp_as_number*/
 ,                         /*tp_as_sequence*/
 ,                         /*tp_as_mapping*/
                 (hashfunc)PythonQtInstanceWrapper_hash,                         /*tp_hash */
 ,                         /*tp_call*/
                 PythonQtInstanceWrapper_str,      /*tp_str*/
                 PythonQtInstanceWrapper_getattro,                         /*tp_getattro*/
                 PythonQtInstanceWrapper_setattro,                         /*tp_setattro*/
 ,                         /*tp_as_buffer*/
                 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
                 "PythonQtInstanceWrapper object",           /* tp_doc */
 ,                   /* tp_traverse */
 ,                   /* tp_clear */
 ,                   /* tp_richcompare */
 ,                   /* tp_weaklistoffset */
 ,                   /* tp_iter */
 ,                   /* tp_iternext */
 ,             /* tp_methods */
 ,             /* tp_members */
 ,                         /* tp_getset */
 ,                         /* tp_base */
 ,                         /* tp_dict */
 ,                         /* tp_descr_get */
 ,                         /* tp_descr_set */
 ,                         /* tp_dictoffset */
                 (initproc)PythonQtInstanceWrapper_init,      /* tp_init */
 ,                         /* tp_alloc */
                 PythonQtInstanceWrapper_new,                 /* tp_new */
             };
             //-------------------------------------------------------

src/PythonQtInstanceWrapper.h +1 0

             #ifndef _PYTHONQTINSTANCEWRAPPER_H
             #define _PYTHONQTINSTANCEWRAPPER_H
             /*
              *
              *  Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
              *
              *  This library is free software; you can redistribute it and/or
              *  modify it under the terms of the GNU Lesser General Public
              *  License as published by the Free Software Foundation; either
              *  version 2.1 of the License, or (at your option) any later version.
              *
              *  This library is distributed in the hope that it will be useful,
              *  but WITHOUT ANY WARRANTY; without even the implied warranty of
              *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
              *  Lesser General Public License for more details.
              *
              *  Further, this software is distributed without any warranty that it is
              *  free of the rightful claim of any third person regarding infringement
              *  or the like.  Any license provided herein, whether implied or
              *  otherwise, applies only to this software file.  Patent licenses, if
              *  any, provided herein do not apply to combinations of this program with
              *  other software, or any other product whatsoever.
              *
              *  You should have received a copy of the GNU Lesser General Public
              *  License along with this library; if not, write to the Free Software
              *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
              *
              *  Contact information: MeVis Research GmbH, Universitaetsallee 29,
              *  28359 Bremen, Germany or:
              *
              *  http://www.mevis.de
              *
              */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtInstanceWrapper.h
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include <Python.h>
             #include "PythonQtSystem.h"
             #include <QPointer>
             #include "structmember.h"
             #include "methodobject.h"
             #include "compile.h"
             #include "eval.h"
             class PythonQtClassInfo;
             class QObject;
             extern PYTHONQT_EXPORT PyTypeObject PythonQtInstanceWrapper_Type;
             //---------------------------------------------------------------
             //! a Python wrapper object for Qt objects and C++ objects (that are themselves wrapped by wrapper QObjects)
             typedef struct PythonQtInstanceWrapperStruct {
               PyObject_HEAD
               //! the class information, this is set even if the _obj or _wrappedPtr is NULL to support typed NULL pointers
               PythonQtClassInfo* classInfo();
               //! set the QObject pointer
               void setQObject(QObject* object) {
                 _obj = object;
                 _objPointerCopy = object;
               }
               //! pointer to the wrapped Qt object or if _wrappedPtr is set, the Qt object that wraps the C++ Ptr
               QPointer<QObject> _obj;
               //! a copy of the _obj pointer, which is required because the wrapper needs to
               //! deregister itself via the _obj pointer, even when the QPointer<QObject> object was destroyed
               void* _objPointerCopy;
               //! optional C++ object Ptr that is wrapped by the above _obj
               void*    _wrappedPtr;
               //! flag that stores if the object is owned by pythonQt
               bool _ownedByPythonQt;
               //! stores that the owned object should be destroyed using QMetaType::destroy()
               bool _useQMetaTypeDestroy;
             } PythonQtInstanceWrapper;
+            int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds);
             #endif

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