static PyObject* PythonQtInstanceWrapper_binaryfunc(PyObject* self, PyObject* other, const QByteArray& opName, const QByteArray& fallbackOpName = QByteArray())
{
  // since we disabled type checking, we can receive any object as self, but we currently only support
  // different objects on the right. Otherwise we would need to generate __radd__ etc. methods.
  if (!PyObject_TypeCheck(self, &PythonQtInstanceWrapper_Type)) {
    QString error = "Unsupported operation " + opName + "(" + self->ob_type->tp_name + ", " +  other->ob_type->tp_name + ")";
    PyErr_SetString(PyExc_ArithmeticError, error.toLatin1().data());
    return NULL;
  }
  PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)self;
  PyObject* result = NULL;
  PythonQtMemberInfo opSlot = wrapper->classInfo()->member(opName);
  if (opSlot._type == PythonQtMemberInfo::Slot) {
    // TODO get rid of tuple
    PyObject* args = PyTuple_New(1);
    Py_INCREF(other);
    PyTuple_SET_ITEM(args, 0, other);
    result = PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, opSlot._slot, args, NULL, wrapper->_wrappedPtr);
    Py_DECREF(args);
    if (!result && !fallbackOpName.isEmpty()) {
      // try fallback if we did not get a result
      result = PythonQtInstanceWrapper_binaryfunc(self, other, fallbackOpName);
    }
  }
  return result;
}
PyObject *PythonQtMemberFunction_Call(PythonQtSlotInfo* info, PyObject* m_self, PyObject *args, PyObject *kw)
{
  if (PyObject_TypeCheck(m_self, &PythonQtInstanceWrapper_Type)) {
    PythonQtInstanceWrapper* self = (PythonQtInstanceWrapper*) m_self;
    if (!info->isClassDecorator() && (self->_obj==NULL && self->_wrappedPtr==NULL)) {
      QString error = QString("Trying to call '") + info->slotName() + "' on a destroyed " + self->classInfo()->className() + " object";
      PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
      return NULL;
    } else {
      return PythonQtSlotFunction_CallImpl(self->classInfo(), self->_obj, info, args, kw, self->_wrappedPtr);
    }
  } else if (m_self->ob_type == &PythonQtClassWrapper_Type) {
    PythonQtClassWrapper* type = (PythonQtClassWrapper*) m_self;
    if (info->isClassDecorator()) {
      return PythonQtSlotFunction_CallImpl(type->classInfo(), NULL, info, args, kw);
    } else {
      // otherwise, it is an unbound call and we have an instanceDecorator or normal slot...
      Py_ssize_t argc = PyTuple_Size(args);
      if (argc>0) {
        PyObject* firstArg = PyTuple_GET_ITEM(args, 0);
        if (PyObject_TypeCheck(firstArg, (PyTypeObject*)&PythonQtInstanceWrapper_Type)
          && ((PythonQtInstanceWrapper*)firstArg)->classInfo()->inherits(type->classInfo())) {
          PythonQtInstanceWrapper* self = (PythonQtInstanceWrapper*)firstArg;
          if (!info->isClassDecorator() && (self->_obj==NULL && self->_wrappedPtr==NULL)) {
            QString error = QString("Trying to call '") + info->slotName() + "' on a destroyed " + self->classInfo()->className() + " object";
            PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
            return NULL;
          }
          // strip the first argument...
          PyObject* newargs = PyTuple_GetSlice(args, 1, argc);
          PyObject* result = PythonQtSlotFunction_CallImpl(self->classInfo(), self->_obj, info, newargs, kw, self->_wrappedPtr);
          Py_DECREF(newargs);
          return result;
        } else {
          // first arg is not of correct type!
          QString error = "slot " + info->fullSignature() + " requires " + type->classInfo()->className() + " instance as first argument, got " + firstArg->ob_type->tp_name;
          PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
          return NULL;
        }
      } else {
        // wrong number of args
        QString error = "slot " + info->fullSignature() + " requires " + type->classInfo()->className() + " instance as first argument.";
        PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
        return NULL;
      }
    }
  }
  return NULL;
}
static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name)
{
  const char *attributeName;
  PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;

  if ((attributeName = PyString_AsString(name)) == NULL) {
    return NULL;
  }

  if (qstrcmp(attributeName, "__dict__")==0) {
    PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name);
    dict = PyDict_Copy(dict);

    if (wrapper->_obj) {
      // we need to replace the properties with their real values...
      QStringList l = wrapper->classInfo()->propertyList();
      Q_FOREACH (QString name, l) {
        PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
        if (o) {
          PyDict_SetItemString(dict, name.toLatin1().data(), o);
          Py_DECREF(o);
        } else {
          std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data();
        }
      }
static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name)
{
  const char *attributeName;
  PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;

  if ((attributeName = PyString_AsString(name)) == NULL) {
    return NULL;
  }

  if (qstrcmp(attributeName, "__dict__")==0) {
    PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name);
    dict = PyDict_Copy(dict);

    if (wrapper->_obj) {
      // only the properties are missing, the rest is already available from
      // PythonQtClassWrapper...
      QStringList l = wrapper->classInfo()->propertyList();
      foreach (QString name, l) {
        PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
        if (o) {
          PyDict_SetItemString(dict, name.toLatin1().data(), o);
          Py_DECREF(o);
        } else {
          std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data();
        }
      }
PyObject *PythonQtClassWrapper_inherits(PythonQtClassWrapper *type, PyObject *args)
{
  Q_UNUSED(type);
  PythonQtInstanceWrapper* wrapper = NULL;
  char *name = NULL;
  if (!PyArg_ParseTuple(args, "O!s:PythonQtClassWrapper.inherits",&PythonQtInstanceWrapper_Type, &wrapper, &name)) {
    return NULL;
  }
  return PythonQtConv::GetPyBool(wrapper->classInfo()->inherits(name));
}