GIT_REPOSITORIES/LPP/PythonQt Commit - r134:1fceea800edd

fixed support for more than one * indirection via pointerCount, QPixmap crashed on char** constructor, which was thought to be * only...

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src/PythonQt.cpp +2 -2

             /*
             *
             *  Copyright (C) 2010 MeVis Medical Solutions AG 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 Medical Solutions AG, Universitaetsallee 29,
             *  28359 Bremen, Germany or:
             *
             *  http://www.mevis.de
             *
             */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQt.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQt.h"
             #include "PythonQtImporter.h"
             #include "PythonQtClassInfo.h"
             #include "PythonQtMethodInfo.h"
             #include "PythonQtSignalReceiver.h"
             #include "PythonQtConversion.h"
             #include "PythonQtStdOut.h"
             #include "PythonQtCppWrapperFactory.h"
             #include "PythonQtVariants.h"
             #include "PythonQtStdDecorators.h"
             #include "PythonQtQFileImporter.h"
             #include <pydebug.h>
             #include <vector>
             PythonQt* PythonQt::_self = NULL;
             int       PythonQt::_uniqueModuleCount = 0;
             void PythonQt_init_QtGuiBuiltin(PyObject*);
             void PythonQt_init_QtCoreBuiltin(PyObject*);
             void PythonQt::init(int flags, const QByteArray& pythonQtModuleName)
             {
               if (!_self) {
                 _self = new PythonQt(flags, pythonQtModuleName);
                 PythonQtMethodInfo::addParameterTypeAlias("QObjectList", "QList<QObject*>");
                 qRegisterMetaType<QList<QObject*> >("QList<void*>");
                 PythonQtRegisterToolClassesTemplateConverter(int);
                 PythonQtRegisterToolClassesTemplateConverter(float);
                 PythonQtRegisterToolClassesTemplateConverter(double);
                 PythonQtRegisterToolClassesTemplateConverter(qint32);
                 PythonQtRegisterToolClassesTemplateConverter(quint32);
                 PythonQtRegisterToolClassesTemplateConverter(qint64);
                 PythonQtRegisterToolClassesTemplateConverter(quint64);
                 // TODO: which other POD types should be available for QList etc.
                 PythonQt::self()->addDecorators(new PythonQtStdDecorators());
                 PythonQt_init_QtCoreBuiltin(NULL);
                 PythonQt_init_QtGuiBuiltin(NULL);
                 PythonQtRegisterToolClassesTemplateConverter(QByteArray);
                 PythonQtRegisterToolClassesTemplateConverter(QDate);
                 PythonQtRegisterToolClassesTemplateConverter(QTime);
                 PythonQtRegisterToolClassesTemplateConverter(QDateTime);
                 PythonQtRegisterToolClassesTemplateConverter(QUrl);
                 PythonQtRegisterToolClassesTemplateConverter(QLocale);
                 PythonQtRegisterToolClassesTemplateConverter(QRect);
                 PythonQtRegisterToolClassesTemplateConverter(QRectF);
                 PythonQtRegisterToolClassesTemplateConverter(QSize);
                 PythonQtRegisterToolClassesTemplateConverter(QSizeF);
                 PythonQtRegisterToolClassesTemplateConverter(QLine);
                 PythonQtRegisterToolClassesTemplateConverter(QLineF);
                 PythonQtRegisterToolClassesTemplateConverter(QPoint);
                 PythonQtRegisterToolClassesTemplateConverter(QPointF);
                 PythonQtRegisterToolClassesTemplateConverter(QRegExp);
                 PythonQtRegisterToolClassesTemplateConverter(QFont);
                 PythonQtRegisterToolClassesTemplateConverter(QPixmap);
                 PythonQtRegisterToolClassesTemplateConverter(QBrush);
                 PythonQtRegisterToolClassesTemplateConverter(QColor);
                 PythonQtRegisterToolClassesTemplateConverter(QPalette);
                 PythonQtRegisterToolClassesTemplateConverter(QIcon);
                 PythonQtRegisterToolClassesTemplateConverter(QImage);
                 PythonQtRegisterToolClassesTemplateConverter(QPolygon);
                 PythonQtRegisterToolClassesTemplateConverter(QRegion);
                 PythonQtRegisterToolClassesTemplateConverter(QBitmap);
                 PythonQtRegisterToolClassesTemplateConverter(QCursor);
                 PythonQtRegisterToolClassesTemplateConverter(QSizePolicy);
                 PythonQtRegisterToolClassesTemplateConverter(QKeySequence);
                 PythonQtRegisterToolClassesTemplateConverter(QPen);
                 PythonQtRegisterToolClassesTemplateConverter(QTextLength);
                 PythonQtRegisterToolClassesTemplateConverter(QTextFormat);
                 PythonQtRegisterToolClassesTemplateConverter(QMatrix);
                 PyObject* pack = PythonQt::priv()->packageByName("QtCore");
                 PyObject* pack2 = PythonQt::priv()->packageByName("Qt");
                 PyObject* qtNamespace = PythonQt::priv()->getClassInfo("Qt")->pythonQtClassWrapper();
                 const char* names[16] = {"SIGNAL", "SLOT", "qAbs", "qBound","qDebug","qWarning","qCritical","qFatal"
                                     ,"qFuzzyCompare", "qMax","qMin","qRound","qRound64","qVersion","qrand","qsrand"};
                 for (unsigned int i = 0;i<16; i++) {
                   PyObject* obj = PyObject_GetAttrString(qtNamespace, names[i]);
                   if (obj) {
                     PyModule_AddObject(pack, names[i], obj);
                     Py_INCREF(obj);
                     PyModule_AddObject(pack2, names[i], obj);
                   } else {
                     std::cerr << "method not found " << names[i];
                   }
                 }
               }
             }
             void PythonQt::cleanup()
             {
               if (_self) {
                 delete _self;
                 _self = NULL;
               }
             }
             PythonQt::PythonQt(int flags, const QByteArray& pythonQtModuleName)
             {
               _p = new PythonQtPrivate;
               _p->_initFlags = flags;
               _p->_PythonQtObjectPtr_metaId = qRegisterMetaType<PythonQtObjectPtr>("PythonQtObjectPtr");
               Py_SetProgramName("PythonQt");
               if (flags & IgnoreSiteModule) {
                 // this prevents the automatic importing of Python site files
                 Py_NoSiteFlag = 1;
               }
               Py_Initialize();
               // add our own python object types for qt object slots
               if (PyType_Ready(&PythonQtSlotFunction_Type) < 0) {
                 std::cerr << "could not initialize PythonQtSlotFunction_Type" << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
               }
               Py_INCREF(&PythonQtSlotFunction_Type);
               // according to Python docs, set the type late here, since it can not safely be stored in the struct when declaring it
               PythonQtClassWrapper_Type.tp_base = &PyType_Type;
               // add our own python object types for classes
               if (PyType_Ready(&PythonQtClassWrapper_Type) < 0) {
                 std::cerr << "could not initialize PythonQtClassWrapper_Type" << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
               }
               Py_INCREF(&PythonQtClassWrapper_Type);
               // add our own python object types for CPP instances
               if (PyType_Ready(&PythonQtInstanceWrapper_Type) < 0) {
                 PythonQt::handleError();
                 std::cerr << "could not initialize PythonQtInstanceWrapper_Type" << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
               }
               Py_INCREF(&PythonQtInstanceWrapper_Type);
               // add our own python object types for redirection of stdout
               if (PyType_Ready(&PythonQtStdOutRedirectType) < 0) {
                 std::cerr << "could not initialize PythonQtStdOutRedirectType" << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
               }
               Py_INCREF(&PythonQtStdOutRedirectType);
               initPythonQtModule(flags & RedirectStdOut, pythonQtModuleName);
               _p->setupSharedLibrarySuffixes();
             }
             PythonQt::~PythonQt() {
               delete _p;
               _p = NULL;
             }
             PythonQtPrivate::~PythonQtPrivate() {
               delete _defaultImporter;
               _defaultImporter = NULL;
               {
                 QHashIterator<QByteArray, PythonQtClassInfo *> i(_knownClassInfos);
                 while (i.hasNext()) {
                   delete i.next().value();
                 }
               }
               PythonQtConv::global_valueStorage.clear();
               PythonQtConv::global_ptrStorage.clear();
               PythonQtConv::global_variantStorage.clear();
               PythonQtMethodInfo::cleanupCachedMethodInfos();
             }
             PythonQtImportFileInterface* PythonQt::importInterface()
             {
               return _self->_p->_importInterface?_self->_p->_importInterface:_self->_p->_defaultImporter;
             }
             void PythonQt::qObjectNoLongerWrappedCB(QObject* o)
             {
               if (_self->_p->_noLongerWrappedCB) {
                 (*_self->_p->_noLongerWrappedCB)(o);
               };
             }
             void PythonQt::registerClass(const QMetaObject* metaobject, const char* package, PythonQtQObjectCreatorFunctionCB* wrapperCreator, PythonQtShellSetInstanceWrapperCB* shell)
             {
               _p->registerClass(metaobject, package, wrapperCreator, shell);
             }
             void PythonQtPrivate::registerClass(const QMetaObject* metaobject, const char* package, PythonQtQObjectCreatorFunctionCB* wrapperCreator, PythonQtShellSetInstanceWrapperCB* shell, PyObject* module, int typeSlots)
             {
               // we register all classes in the hierarchy
               const QMetaObject* m = metaobject;
               bool first = true;
               while (m) {
                 PythonQtClassInfo* info = lookupClassInfoAndCreateIfNotPresent(m->className());
                 if (!info->pythonQtClassWrapper()) {
                   info->setTypeSlots(typeSlots);
                   info->setupQObject(m);
                   createPythonQtClassWrapper(info, package, module);
                   if (m->superClass()) {
                     PythonQtClassInfo* parentInfo = lookupClassInfoAndCreateIfNotPresent(m->superClass()->className());
                     info->addParentClass(PythonQtClassInfo::ParentClassInfo(parentInfo));
                   }
                 }
                 if (first) {
                   first = false;
                   if (wrapperCreator) {
                     info->setDecoratorProvider(wrapperCreator);
                   }
                   if (shell) {
                     info->setShellSetInstanceWrapperCB(shell);
                   }
                 }
                 m = m->superClass();
               }
             }
             void PythonQtPrivate::createPythonQtClassWrapper(PythonQtClassInfo* info, const char* package, PyObject* module)
             {
               PyObject* pack = module?module:packageByName(package);
               PyObject* pyobj = (PyObject*)createNewPythonQtClassWrapper(info, pack);
               PyModule_AddObject(pack, info->className(), pyobj);
               if (!module && package && strncmp(package,"Qt",2)==0) {
                 // since PyModule_AddObject steals the reference, we need a incref once more...
                 Py_INCREF(pyobj);
                 // put all qt objects into Qt as well
                 PyModule_AddObject(packageByName("Qt"), info->className(), pyobj);
               }
               info->setPythonQtClassWrapper(pyobj);
             }
             PyObject* PythonQtPrivate::wrapQObject(QObject* obj)
             {
               if (!obj) {
                 Py_INCREF(Py_None);
                 return Py_None;
               }
               PythonQtInstanceWrapper* wrap = findWrapperAndRemoveUnused(obj);
               if (!wrap) {
                 // smuggling it in...
                 PythonQtClassInfo* classInfo = _knownClassInfos.value(obj->metaObject()->className());
                 if (!classInfo || classInfo->pythonQtClassWrapper()==NULL) {
                   registerClass(obj->metaObject());
                   classInfo = _knownClassInfos.value(obj->metaObject()->className());
                 }
                 wrap = createNewPythonQtInstanceWrapper(obj, classInfo);
                 //    mlabDebugConst("MLABPython","new qobject wrapper added " << " " << wrap->_obj->className() << " " << wrap->classInfo()->wrappedClassName().latin1());
               } else {
                 Py_INCREF(wrap);
                 //    mlabDebugConst("MLABPython","qobject wrapper reused " << wrap->_obj->className() << " " << wrap->classInfo()->wrappedClassName().latin1());
               }
               return (PyObject*)wrap;
             }
             PyObject* PythonQtPrivate::wrapPtr(void* ptr, const QByteArray& name)
             {
               if (!ptr) {
                 Py_INCREF(Py_None);
                 return Py_None;
               }
               PythonQtInstanceWrapper* wrap = findWrapperAndRemoveUnused(ptr);
               if (!wrap) {
                 PythonQtClassInfo* info = _knownClassInfos.value(name);
                 if (!info) {
                   // maybe it is a PyObject, which we can return directly
                   if (name == "PyObject") {
                     PyObject* p = (PyObject*)ptr;
                     Py_INCREF(p);
                     return p;
                   }
                   // we do not know the metaobject yet, but we might know it by it's name:
                   if (_knownQObjectClassNames.find(name)!=_knownQObjectClassNames.end()) {
                     // yes, we know it, so we can convert to QObject
                     QObject* qptr = (QObject*)ptr;
                     registerClass(qptr->metaObject());
                     info = _knownClassInfos.value(qptr->metaObject()->className());
                   }
                 }
                 if (info && info->isQObject()) {
                   QObject* qptr = (QObject*)ptr;
                   // if the object is a derived object, we want to switch the class info to the one of the derived class:
                   if (name!=(qptr->metaObject()->className())) {
                     registerClass(qptr->metaObject());
                     info = _knownClassInfos.value(qptr->metaObject()->className());
                   }
                   wrap = createNewPythonQtInstanceWrapper(qptr, info);
                   //    mlabDebugConst("MLABPython","new qobject wrapper added " << " " << wrap->_obj->className() << " " << wrap->classInfo()->wrappedClassName().latin1());
                   return (PyObject*)wrap;
                 }
                 // not a known QObject, so try our wrapper factory:
                 QObject* wrapper = NULL;
                 for (int i=0; i<_cppWrapperFactories.size(); i++) {
                   wrapper = _cppWrapperFactories.at(i)->create(name, ptr);
                   if (wrapper) {
                     break;
                   }
                 }
                 if (info) {
                   // try to downcast in the class hierarchy, which will modify info and ptr if it is successfull
                   ptr  = info->castDownIfPossible(ptr, &info);
                 }
                 if (!info || info->pythonQtClassWrapper()==NULL) {
                   // still unknown, register as CPP class
                   registerCPPClass(name.constData());
                   info = _knownClassInfos.value(name);
                 }
                 if (wrapper && (info->metaObject() != wrapper->metaObject())) {
                   // if we a have a QObject wrapper and the metaobjects do not match, set the metaobject again!
                   info->setMetaObject(wrapper->metaObject());
                 }
                 wrap = createNewPythonQtInstanceWrapper(wrapper, info, ptr);
                 //          mlabDebugConst("MLABPython","new c++ wrapper added " << wrap->_wrappedPtr << " " << wrap->_obj->className() << " " << wrap->classInfo()->wrappedClassName().latin1());
               } else {
                 Py_INCREF(wrap);
                 //mlabDebugConst("MLABPython","c++ wrapper reused " << wrap->_wrappedPtr << " " << wrap->_obj->className() << " " << wrap->classInfo()->wrappedClassName().latin1());
               }
               return (PyObject*)wrap;
             }
             PyObject* PythonQtPrivate::dummyTuple() {
               static PyObject* dummyTuple = NULL;
               if (dummyTuple==NULL) {
                 dummyTuple = PyTuple_New(1);
                 PyTuple_SET_ITEM(dummyTuple, 0 , PyString_FromString("dummy"));
               }
               return dummyTuple;
             }
             PythonQtInstanceWrapper* PythonQtPrivate::createNewPythonQtInstanceWrapper(QObject* obj, PythonQtClassInfo* info, void* wrappedPtr) {
               // call the associated class type to create a new instance...
               PythonQtInstanceWrapper* result = (PythonQtInstanceWrapper*)PyObject_Call(info->pythonQtClassWrapper(), dummyTuple(), NULL);
               result->setQObject(obj);
               result->_wrappedPtr = wrappedPtr;
               result->_ownedByPythonQt = false;
               result->_useQMetaTypeDestroy = false;
               if (wrappedPtr) {
                 _wrappedObjects.insert(wrappedPtr, result);
               } else {
                 _wrappedObjects.insert(obj, result);
                 if (obj->parent()== NULL && _wrappedCB) {
                   // tell someone who is interested that the qobject is wrapped the first time, if it has no parent
                   (*_wrappedCB)(obj);
                 }
               }
               return result;
             }
             PythonQtClassWrapper* PythonQtPrivate::createNewPythonQtClassWrapper(PythonQtClassInfo* info, PyObject* parentModule) {
               PythonQtClassWrapper* result;
               PyObject* className = PyString_FromString(info->className());
               PyObject* baseClasses = PyTuple_New(1);
               PyTuple_SET_ITEM(baseClasses, 0, (PyObject*)&PythonQtInstanceWrapper_Type);
               PyObject* typeDict = PyDict_New();
               PyObject* moduleName = PyObject_GetAttrString(parentModule, "__name__");
               PyDict_SetItemString(typeDict, "__module__", moduleName);
               PyObject* args  = Py_BuildValue("OOO", className, baseClasses, typeDict);
               // set the class info so that PythonQtClassWrapper_new can read it
               _currentClassInfoForClassWrapperCreation = info;
               // create the new type object by calling the type
               result = (PythonQtClassWrapper *)PyObject_Call((PyObject *)&PythonQtClassWrapper_Type, args, NULL);
               Py_DECREF(baseClasses);
               Py_DECREF(typeDict);
               Py_DECREF(args);
               Py_DECREF(className);
               return result;
             }
             PyObject*  PythonQtPrivate::createEnumValueInstance(PyObject* enumType, unsigned int enumValue)
             {
               PyObject* args = Py_BuildValue("(i)", enumValue);
               PyObject* result = PyObject_Call(enumType, args, NULL);
               Py_DECREF(args);
               return result;
             }
             PyObject* PythonQtPrivate::createNewPythonQtEnumWrapper(const char* enumName, PyObject* parentObject) {
               PyObject* result;
               PyObject* className = PyString_FromString(enumName);
               PyObject* baseClasses = PyTuple_New(1);
               PyTuple_SET_ITEM(baseClasses, 0, (PyObject*)&PyInt_Type);
               PyObject* module = PyObject_GetAttrString(parentObject, "__module__");
               PyObject* typeDict = PyDict_New();
               PyDict_SetItemString(typeDict, "__module__", module);
               PyObject* args  = Py_BuildValue("OOO", className, baseClasses, typeDict);
               // create the new int derived type object by calling the core type
               result = PyObject_Call((PyObject *)&PyType_Type, args, NULL);
               Py_DECREF(baseClasses);
               Py_DECREF(typeDict);
               Py_DECREF(args);
               Py_DECREF(className);
               return result;
             }
             PythonQtSignalReceiver* PythonQt::getSignalReceiver(QObject* obj)
             {
               PythonQtSignalReceiver* r = _p->_signalReceivers[obj];
               if (!r) {
                 r = new PythonQtSignalReceiver(obj);
                 _p->_signalReceivers.insert(obj, r);
               }
               return r;
             }
             bool PythonQt::addSignalHandler(QObject* obj, const char* signal, PyObject* module, const QString& objectname)
             {
               bool flag = false;
               PythonQtObjectPtr callable = lookupCallable(module, objectname);
               if (callable) {
                 PythonQtSignalReceiver* r = getSignalReceiver(obj);
                 flag = r->addSignalHandler(signal, callable);
                 if (!flag) {
                   // signal not found
                 }
               } else {
                 // callable not found
               }
               return flag;
             }
             bool PythonQt::addSignalHandler(QObject* obj, const char* signal, PyObject* receiver)
             {
               bool flag = false;
               PythonQtSignalReceiver* r = getSignalReceiver(obj);
               if (r) {
                 flag = r->addSignalHandler(signal, receiver);
               }
               return flag;
             }
             bool PythonQt::removeSignalHandler(QObject* obj, const char* signal, PyObject* module, const QString& objectname)
             {
               bool flag = false;
               PythonQtObjectPtr callable = lookupCallable(module, objectname);
               if (callable) {
                 PythonQtSignalReceiver* r = _p->_signalReceivers[obj];
                 if (r) {
                   flag = r->removeSignalHandler(signal, callable);
                 }
               } else {
                 // callable not found
               }
               return flag;
             }
             bool PythonQt::removeSignalHandler(QObject* obj, const char* signal, PyObject* receiver)
             {
               bool flag = false;
               PythonQtSignalReceiver* r = _p->_signalReceivers[obj];
               if (r) {
                 flag = r->removeSignalHandler(signal, receiver);
               }
               return flag;
             }
             PythonQtObjectPtr PythonQt::lookupCallable(PyObject* module, const QString& name)
             {
               PythonQtObjectPtr p = lookupObject(module, name);
               if (p) {
                 if (PyCallable_Check(p)) {
                   return p;
                 }
               }
               PyErr_Clear();
               return NULL;
             }
             PythonQtObjectPtr PythonQt::lookupObject(PyObject* module, const QString& name)
             {
               QStringList l = name.split('.');
               PythonQtObjectPtr p = module;
               PythonQtObjectPtr prev;
               QString s;
               QByteArray b;
               for (QStringList::ConstIterator i = l.begin(); i!=l.end() && p; ++i) {
                 prev = p;
                 b = (*i).toLatin1();
                 if (PyDict_Check(p)) {
                   p = PyDict_GetItemString(p, b.data());
                 } else {
                   p.setNewRef(PyObject_GetAttrString(p, b.data()));
                 }
               }
               PyErr_Clear();
               return p;
             }
             PythonQtObjectPtr PythonQt::getMainModule() {
               //both borrowed
               PythonQtObjectPtr dict = PyImport_GetModuleDict();
               return PyDict_GetItemString(dict, "__main__");
             }
             QVariant PythonQt::evalCode(PyObject* object, PyObject* pycode) {
               QVariant result;
               if (pycode) {
                 PyObject* dict = NULL;
                 if (PyModule_Check(object)) {
                   dict = PyModule_GetDict(object);
                 } else if (PyDict_Check(object)) {
                   dict = object;
                 }
                 PyObject* r = NULL;
                 if (dict) {
                   r = PyEval_EvalCode((PyCodeObject*)pycode, dict , dict);
                 }
                 if (r) {
                   result = PythonQtConv::PyObjToQVariant(r);
                   Py_DECREF(r);
                 } else {
                   handleError();
                 }
               } else {
                 handleError();
               }
               return result;
             }
             QVariant PythonQt::evalScript(PyObject* object, const QString& script, int start)
             {
               QVariant result;
               PythonQtObjectPtr p;
               PyObject* dict = NULL;
               if (PyModule_Check(object)) {
                 dict = PyModule_GetDict(object);
               } else if (PyDict_Check(object)) {
                 dict = object;
               }
               if (dict) {
                 p.setNewRef(PyRun_String(script.toLatin1().data(), start, dict, dict));
               }
               if (p) {
                 result = PythonQtConv::PyObjToQVariant(p);
               } else {
                 handleError();
               }
               return result;
             }
             void PythonQt::evalFile(PyObject* module, const QString& filename)
             {
               PythonQtObjectPtr code = parseFile(filename);
               if (code) {
                 evalCode(module, code);
               } else {
                 handleError();
               }
             }
             PythonQtObjectPtr PythonQt::parseFile(const QString& filename)
             {
               PythonQtObjectPtr p;
               p.setNewRef(PythonQtImport::getCodeFromPyc(filename));
               if (!p) {
                 handleError();
               }
               return p;
             }
             PythonQtObjectPtr PythonQt::createModuleFromFile(const QString& name, const QString& filename)
             {
               PythonQtObjectPtr code = parseFile(filename);
               PythonQtObjectPtr module = _p->createModule(name, code);
               return module;
             }
             PythonQtObjectPtr PythonQt::createModuleFromScript(const QString& name, const QString& script)
             {
               PyErr_Clear();
               QString scriptCode = script;
               if (scriptCode.isEmpty()) {
                 // we always need at least a linefeed
                 scriptCode = "\n";
               }
               PythonQtObjectPtr pycode;
               pycode.setNewRef(Py_CompileString((char*)scriptCode.toLatin1().data(), "",  Py_file_input));
               PythonQtObjectPtr module = _p->createModule(name, pycode);
               return module;
             }
             PythonQtObjectPtr PythonQt::createUniqueModule()
             {
               static QString pyQtStr("PythonQt_module");
               QString moduleName = pyQtStr+QString::number(_uniqueModuleCount++);
               return createModuleFromScript(moduleName);
             }
             void PythonQt::addObject(PyObject* object, const QString& name, QObject* qObject)
             {
               if (PyModule_Check(object)) {
                 PyModule_AddObject(object, name.toLatin1().data(), _p->wrapQObject(qObject));
               } else if (PyDict_Check(object)) {
                 PyDict_SetItemString(object, name.toLatin1().data(), _p->wrapQObject(qObject));
               } else {
                 PyObject_SetAttrString(object, name.toLatin1().data(), _p->wrapQObject(qObject));
               }
             }
             void PythonQt::addVariable(PyObject* object, const QString& name, const QVariant& v)
             {
               if (PyModule_Check(object)) {
                 PyModule_AddObject(object, name.toLatin1().data(), PythonQtConv::QVariantToPyObject(v));
               } else if (PyDict_Check(object)) {
                 PyDict_SetItemString(object, name.toLatin1().data(), PythonQtConv::QVariantToPyObject(v));
               } else {
                 PyObject_SetAttrString(object, name.toLatin1().data(), PythonQtConv::QVariantToPyObject(v));
               }
             }
             void PythonQt::removeVariable(PyObject* object, const QString& name)
             {
               if (PyDict_Check(object)) {
                 PyDict_DelItemString(object, name.toLatin1().data());
               } else {
                 PyObject_DelAttrString(object, name.toLatin1().data());
               }
             }
             QVariant PythonQt::getVariable(PyObject* object, const QString& objectname)
             {
               QVariant result;
               PythonQtObjectPtr obj = lookupObject(object, objectname);
               if (obj) {
                 result = PythonQtConv::PyObjToQVariant(obj);
               }
               return result;
             }
             QStringList PythonQt::introspection(PyObject* module, const QString& objectname, PythonQt::ObjectType type)
             {
               QStringList results;
               PythonQtObjectPtr object;
               if (objectname.isEmpty()) {
                 object = module;
               } else {
                 object = lookupObject(module, objectname);
                 if (!object && type == CallOverloads) {
                   PyObject* dict = lookupObject(module, "__builtins__");
                   if (dict) {
                     object = PyDict_GetItemString(dict, objectname.toLatin1().constData());
                   }
                 }
               }
               if (object) {
                 if (type == CallOverloads) {
                   if (PythonQtSlotFunction_Check(object)) {
                     PythonQtSlotFunctionObject* o = (PythonQtSlotFunctionObject*)object.object();
                     PythonQtSlotInfo* info = o->m_ml;
                     while (info) {
                       results << info->fullSignature();
                       info = info->nextInfo();
                     }
                   } else if (object->ob_type == &PythonQtClassWrapper_Type) {
                     PythonQtClassWrapper* o = (PythonQtClassWrapper*)object.object();
                     PythonQtSlotInfo* info = o->classInfo()->constructors();
                     while (info) {
                       results << info->fullSignature();
                       info = info->nextInfo();
                     }
                   } else {
                     //TODO: use pydoc!
                     PyObject* doc = PyObject_GetAttrString(object, "__doc__");
                     if (doc) {
                       results << PyString_AsString(doc);
                       Py_DECREF(doc);
                     }
                   }
                 } else {
                   PyObject* keys = NULL;
                   bool isDict = false;
                   if (PyDict_Check(object)) {
                     keys = PyDict_Keys(object);
                     isDict = true;
                   } else {
                     keys = PyObject_Dir(object);
                   }
                   if (keys) {
                     int count = PyList_Size(keys);
                     PyObject* key;
                     PyObject* value;
                     QString keystr;
                     for (int i = 0;i<count;i++) {
                       key = PyList_GetItem(keys,i);
                       if (isDict) {
                         value = PyDict_GetItem(object, key);
                         Py_INCREF(value);
                       } else {
                         value = PyObject_GetAttr(object, key);
                       }
                       if (!value) continue;
                       keystr = PyString_AsString(key);
                       static const QString underscoreStr("__tmp");
                       if (!keystr.startsWith(underscoreStr)) {
                         switch (type) {
                         case Anything:
                           results << keystr;
                           break;
                         case Class:
                           if (value->ob_type == &PyClass_Type) {
                             results << keystr;
                           }
                           break;
                         case Variable:
                           if (value->ob_type != &PyClass_Type
                             && value->ob_type != &PyCFunction_Type
                             && value->ob_type != &PyFunction_Type
                             && value->ob_type != &PyModule_Type
                             ) {
                             results << keystr;
                           }
                           break;
                         case Function:
                           if (value->ob_type == &PyFunction_Type ||
                             value->ob_type == &PyMethod_Type
                             ) {
                             results << keystr;
                           }
                           break;
                         case Module:
                           if (value->ob_type == &PyModule_Type) {
                             results << keystr;
                           }
                           break;
                         default:
                           std::cerr << "PythonQt: introspection: unknown case" << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
                         }
                       }
                       Py_DECREF(value);
                     }
                     Py_DECREF(keys);
                   }
                 }
               }
               return results;
             }
             QVariant PythonQt::call(PyObject* object, const QString& name, const QVariantList& args)
             {
               PythonQtObjectPtr callable = lookupCallable(object, name);
               if (callable) {
                 return call(callable, args);
               } else {
                 return QVariant();
               }
             }
             QVariant PythonQt::call(PyObject* callable, const QVariantList& args)
             {
               QVariant r;
               PythonQtObjectPtr result;
               result.setNewRef(callAndReturnPyObject(callable, args));
               if (result) {
                 r = PythonQtConv::PyObjToQVariant(result);
               } else {
                 PythonQt::self()->handleError();
               }
               return r;
             }
             PyObject* PythonQt::callAndReturnPyObject(PyObject* callable, const QVariantList& args)
             {
               PyObject* result = NULL;
               if (callable) {
                 PythonQtObjectPtr pargs;
                 int count = args.size();
                 if (count>0) {
                   pargs.setNewRef(PyTuple_New(count));
                 }
                 bool err = false;
                 // transform QVariants to Python
                 for (int i = 0; i < count; i++) {
                   PyObject* arg = PythonQtConv::QVariantToPyObject(args.at(i));
                   if (arg) {
                     // steals reference, no unref
                     PyTuple_SetItem(pargs, i,arg);
                   } else {
                     err = true;
                     break;
                   }
                 }
                 if (!err) {
                   PyErr_Clear();
                   result = PyObject_CallObject(callable, pargs);
                 }
               }
               return result;
             }
             void PythonQt::addInstanceDecorators(QObject* o)
             {
               _p->addDecorators(o, PythonQtPrivate::InstanceDecorator);
             }
             void PythonQt::addClassDecorators(QObject* o)
             {
               _p->addDecorators(o, PythonQtPrivate::StaticDecorator | PythonQtPrivate::ConstructorDecorator | PythonQtPrivate::DestructorDecorator);
             }
             void PythonQt::addDecorators(QObject* o)
             {
               _p->addDecorators(o, PythonQtPrivate::AllDecorators);
             }
             void PythonQt::registerQObjectClassNames(const QStringList& names)
             {
               _p->registerQObjectClassNames(names);
             }
             void PythonQt::setImporter(PythonQtImportFileInterface* importInterface)
             {
               _p->_importInterface = importInterface;
               PythonQtImport::init();
             }
             void PythonQt::setImporterIgnorePaths(const QStringList& paths)
             {
               _p->_importIgnorePaths = paths;
             }
             const QStringList& PythonQt::getImporterIgnorePaths()
             {
               return _p->_importIgnorePaths;
             }
             void PythonQt::addWrapperFactory(PythonQtCppWrapperFactory* factory)
             {
               _p->_cppWrapperFactories.append(factory);
             }
             //---------------------------------------------------------------------------------------------------
             PythonQtPrivate::PythonQtPrivate()
             {
               _importInterface = NULL;
               _defaultImporter = new PythonQtQFileImporter;
               _noLongerWrappedCB = NULL;
               _wrappedCB = NULL;
               _currentClassInfoForClassWrapperCreation = NULL;
             }
             void PythonQtPrivate::setupSharedLibrarySuffixes()
             {
               _sharedLibrarySuffixes.clear();
               PythonQtObjectPtr imp;
               imp.setNewRef(PyImport_ImportModule("imp"));
               int cExtensionCode = imp.getVariable("C_EXTENSION").toInt();
               QVariant result = imp.call("get_suffixes");
               foreach (QVariant entry, result.toList()) {
                 QVariantList suffixEntry = entry.toList();
                 if (suffixEntry.count()==3) {
                   int code = suffixEntry.at(2).toInt();
                   if (code == cExtensionCode) {
                     _sharedLibrarySuffixes << suffixEntry.at(0).toString();
                   }
                 }
               }
             }
             PythonQtClassInfo* PythonQtPrivate::currentClassInfoForClassWrapperCreation()
             {
               PythonQtClassInfo* info = _currentClassInfoForClassWrapperCreation;
               _currentClassInfoForClassWrapperCreation = NULL;
               return info;
             }
             void PythonQtPrivate::addDecorators(QObject* o, int decoTypes)
             {
               o->setParent(this);
               int numMethods = o->metaObject()->methodCount();
               for (int i = 0; i < numMethods; i++) {
                 QMetaMethod m = o->metaObject()->method(i);
                 if ((m.methodType() == QMetaMethod::Method ||
                   m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) {
                   if (qstrncmp(m.signature(), "new_", 4)==0) {
                     if ((decoTypes & ConstructorDecorator) == 0) continue;
                     const PythonQtMethodInfo* info = PythonQtMethodInfo::getCachedMethodInfo(m, NULL);
-                    if (info->parameters().at(0).isPointer) {
+                    if (info->parameters().at(0).pointerCount == 1) {
                       QByteArray signature = m.signature();
                       QByteArray nameOfClass = signature.mid(4, signature.indexOf('(')-4);
                       PythonQtClassInfo* classInfo = lookupClassInfoAndCreateIfNotPresent(nameOfClass);
                       PythonQtSlotInfo* newSlot = new PythonQtSlotInfo(NULL, m, i, o, PythonQtSlotInfo::ClassDecorator);
                       classInfo->addConstructor(newSlot);
                     }
                   } else if (qstrncmp(m.signature(), "delete_", 7)==0) {
                     if ((decoTypes & DestructorDecorator) == 0) continue;
                     QByteArray signature = m.signature();
                     QByteArray nameOfClass = signature.mid(7, signature.indexOf('(')-7);
                     PythonQtClassInfo* classInfo = lookupClassInfoAndCreateIfNotPresent(nameOfClass);
                     PythonQtSlotInfo* newSlot = new PythonQtSlotInfo(NULL, m, i, o, PythonQtSlotInfo::ClassDecorator);
                     classInfo->setDestructor(newSlot);
                   } else if (qstrncmp(m.signature(), "static_", 7)==0) {
                     if ((decoTypes & StaticDecorator) == 0) continue;
                     QByteArray signature = m.signature();
                     QByteArray nameOfClass = signature.mid(signature.indexOf('_')+1);
                     nameOfClass = nameOfClass.mid(0, nameOfClass.indexOf('_'));
                     PythonQtClassInfo* classInfo = lookupClassInfoAndCreateIfNotPresent(nameOfClass);
                     PythonQtSlotInfo* newSlot = new PythonQtSlotInfo(NULL, m, i, o, PythonQtSlotInfo::ClassDecorator);
                     classInfo->addDecoratorSlot(newSlot);
                   } else {
                     if ((decoTypes & InstanceDecorator) == 0) continue;
                     const PythonQtMethodInfo* info = PythonQtMethodInfo::getCachedMethodInfo(m, NULL);
                     if (info->parameters().count()>1) {
                       PythonQtMethodInfo::ParameterInfo p = info->parameters().at(1);
-                      if (p.isPointer) {
+                      if (p.pointerCount==1) {
                         PythonQtClassInfo* classInfo = lookupClassInfoAndCreateIfNotPresent(p.name);
                         PythonQtSlotInfo* newSlot = new PythonQtSlotInfo(NULL, m, i, o, PythonQtSlotInfo::InstanceDecorator);
                         classInfo->addDecoratorSlot(newSlot);
                       }
                     }
                   }
                 }
               }
             }
             void PythonQtPrivate::registerQObjectClassNames(const QStringList& names)
             {
               foreach(QString name, names) {
                 _knownQObjectClassNames.insert(name.toLatin1(), true);
               }
             }
             void PythonQtPrivate::removeSignalEmitter(QObject* obj)
             {
               _signalReceivers.remove(obj);
             }
             bool PythonQt::handleError()
             {
               bool flag = false;
               if (PyErr_Occurred()) {
                 // currently we just print the error and the stderr handler parses the errors
                 PyErr_Print();
                 /*
                 // EXTRA: the format of the ptype and ptraceback is not really documented, so I use PyErr_Print() above
                 PyObject *ptype;
                 PyObject *pvalue;
                 PyObject *ptraceback;
                 PyErr_Fetch( &ptype, &pvalue, &ptraceback);
                   Py_XDECREF(ptype);
                   Py_XDECREF(pvalue);
                   Py_XDECREF(ptraceback);
                 */
                 PyErr_Clear();
                 flag = true;
               }
               return flag;
             }
             void PythonQt::addSysPath(const QString& path)
             {
               PythonQtObjectPtr sys;
               sys.setNewRef(PyImport_ImportModule("sys"));
               PythonQtObjectPtr obj = lookupObject(sys, "path");
               PyList_Insert(obj, 0, PythonQtConv::QStringToPyObject(path));
             }
             void PythonQt::overwriteSysPath(const QStringList& paths)
             {
               PythonQtObjectPtr sys;
               sys.setNewRef(PyImport_ImportModule("sys"));
               PyModule_AddObject(sys, "path", PythonQtConv::QStringListToPyList(paths));
             }
             void PythonQt::setModuleImportPath(PyObject* module, const QStringList& paths)
             {
               PyModule_AddObject(module, "__path__", PythonQtConv::QStringListToPyList(paths));
             }
             void PythonQt::stdOutRedirectCB(const QString& str)
             {
               emit PythonQt::self()->pythonStdOut(str);
             }
             void PythonQt::stdErrRedirectCB(const QString& str)
             {
               emit PythonQt::self()->pythonStdErr(str);
             }
             void PythonQt::setQObjectWrappedCallback(PythonQtQObjectWrappedCB* cb)
             {
               _p->_wrappedCB = cb;
             }
             void PythonQt::setQObjectNoLongerWrappedCallback(PythonQtQObjectNoLongerWrappedCB* cb)
             {
               _p->_noLongerWrappedCB = cb;
             }
             static PyMethodDef PythonQtMethods[] = {
               {NULL, NULL, 0, NULL}
             };
             void PythonQt::initPythonQtModule(bool redirectStdOut, const QByteArray& pythonQtModuleName)
             {
               QByteArray name = "PythonQt";
               if (!pythonQtModuleName.isEmpty()) {
                 name = pythonQtModuleName;
               }
               _p->_pythonQtModule = Py_InitModule(name.constData(), PythonQtMethods);
               _p->_pythonQtModuleName = name;
               if (redirectStdOut) {
                 PythonQtObjectPtr sys;
                 PythonQtObjectPtr out;
                 PythonQtObjectPtr err;
                 sys.setNewRef(PyImport_ImportModule("sys"));
                 // create a redirection object for stdout and stderr
                 out = PythonQtStdOutRedirectType.tp_new(&PythonQtStdOutRedirectType,NULL, NULL);
                 ((PythonQtStdOutRedirect*)out.object())->_cb = stdOutRedirectCB;
                 err = PythonQtStdOutRedirectType.tp_new(&PythonQtStdOutRedirectType,NULL, NULL);
                 ((PythonQtStdOutRedirect*)err.object())->_cb = stdErrRedirectCB;
                 // replace the built in file objects with our own objects
                 PyModule_AddObject(sys, "stdout", out);
                 PyModule_AddObject(sys, "stderr", err);
               }
             }
             void PythonQt::registerCPPClass(const char* typeName, const char* parentTypeName, const char* package, PythonQtQObjectCreatorFunctionCB* wrapperCreator,  PythonQtShellSetInstanceWrapperCB* shell)
             {
               _p->registerCPPClass(typeName, parentTypeName, package, wrapperCreator, shell);
             }
             PythonQtClassInfo* PythonQtPrivate::lookupClassInfoAndCreateIfNotPresent(const char* typeName)
             {
               PythonQtClassInfo* info = _knownClassInfos.value(typeName);
               if (!info) {
                 info = new PythonQtClassInfo();
                 info->setupCPPObject(typeName);
                 _knownClassInfos.insert(typeName, info);
               }
               return info;
             }
             void PythonQt::addPolymorphicHandler(const char* typeName, PythonQtPolymorphicHandlerCB* cb)
             {
               _p->addPolymorphicHandler(typeName, cb);
             }
             void PythonQtPrivate::addPolymorphicHandler(const char* typeName, PythonQtPolymorphicHandlerCB* cb)
             {
               PythonQtClassInfo* info = lookupClassInfoAndCreateIfNotPresent(typeName);
               info->addPolymorphicHandler(cb);
             }
             bool PythonQt::addParentClass(const char* typeName, const char* parentTypeName, int upcastingOffset)
             {
               return _p->addParentClass(typeName, parentTypeName, upcastingOffset);
             }
             bool PythonQtPrivate::addParentClass(const char* typeName, const char* parentTypeName, int upcastingOffset)
             {
               PythonQtClassInfo* info = _knownClassInfos.value(typeName);
               if (info) {
                 PythonQtClassInfo* parentInfo = lookupClassInfoAndCreateIfNotPresent(parentTypeName);
                 info->addParentClass(PythonQtClassInfo::ParentClassInfo(parentInfo, upcastingOffset));
                 return true;
               } else {
                 return false;
               }
             }
             void PythonQtPrivate::registerCPPClass(const char* typeName, const char* parentTypeName, const char* package, PythonQtQObjectCreatorFunctionCB* wrapperCreator,  PythonQtShellSetInstanceWrapperCB* shell, PyObject* module, int typeSlots)
             {
               PythonQtClassInfo* info = lookupClassInfoAndCreateIfNotPresent(typeName);
               if (!info->pythonQtClassWrapper()) {
                 info->setTypeSlots(typeSlots);
                 info->setupCPPObject(typeName);
                 createPythonQtClassWrapper(info, package, module);
               }
               if (parentTypeName && strcmp(parentTypeName,"")!=0) {
                 addParentClass(typeName, parentTypeName, 0);
               }
               if (wrapperCreator) {
                 info->setDecoratorProvider(wrapperCreator);
               }
               if (shell) {
                 info->setShellSetInstanceWrapperCB(shell);
               }
             }
             PyObject* PythonQtPrivate::packageByName(const char* name)
             {
               if (name==NULL || name[0]==0) {
                 name = "private";
               }
               PyObject* v = _packages.value(name);
               if (!v) {
                 v = PyImport_AddModule((_pythonQtModuleName + "." + name).constData());
                 _packages.insert(name, v);
                 // AddObject steals the reference, so increment it!
                 Py_INCREF(v);
                 PyModule_AddObject(_pythonQtModule, name, v);
               }
               return v;
             }
             void PythonQtPrivate::handleVirtualOverloadReturnError(const char* signature, const PythonQtMethodInfo* methodInfo, PyObject* result)
             {
               QString error = "Return value '" + PythonQtConv::PyObjGetString(result) + "' can not be converted to expected C++ type '" + methodInfo->parameters().at(0).name + "' as return value of virtual method " + signature;
               PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
               PythonQt::self()->handleError();
             }
             PyObject* PythonQt::helpCalled(PythonQtClassInfo* info)
             {
               if (_p->_initFlags & ExternalHelp) {
                 emit pythonHelpRequest(QByteArray(info->className()));
                 return Py_BuildValue("");
               } else {
                 return PyString_FromString(info->help().toLatin1().data());
               }
             }
             void PythonQtPrivate::removeWrapperPointer(void* obj)
             {
               _wrappedObjects.remove(obj);
             }
             void PythonQtPrivate::addWrapperPointer(void* obj, PythonQtInstanceWrapper* wrapper)
             {
               _wrappedObjects.insert(obj, wrapper);
             }
             PythonQtInstanceWrapper* PythonQtPrivate::findWrapperAndRemoveUnused(void* obj)
             {
               PythonQtInstanceWrapper* wrap = _wrappedObjects.value(obj);
               if (wrap && !wrap->_wrappedPtr && wrap->_obj == NULL) {
                 // this is a wrapper whose QObject was already removed due to destruction
                 // so the obj pointer has to be a new QObject with the same address...
                 // we remove the old one and set the copy to NULL
                 wrap->_objPointerCopy = NULL;
                 removeWrapperPointer(obj);
                 wrap = NULL;
               }
               return wrap;
             }
             PythonQtObjectPtr PythonQtPrivate::createModule(const QString& name, PyObject* pycode)
             {
               PythonQtObjectPtr result;
               if (pycode) {
                 result.setNewRef(PyImport_ExecCodeModule((char*)name.toLatin1().data(), pycode));
               } else {
                 PythonQt::self()->handleError();
               }
               return result;
             }

src/PythonQtConversion.cpp +21 -13

             /*
             *
             *  Copyright (C) 2010 MeVis Medical Solutions AG 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 Medical Solutions AG, Universitaetsallee 29,
             *  28359 Bremen, Germany or:
             *
             *  http://www.mevis.de
             *
             */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtConversion.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtConversion.h"
             #include "PythonQtVariants.h"
             #include <QDateTime>
             #include <QTime>
             #include <QDate>
             PythonQtValueStorage<qint64, 128>  PythonQtConv::global_valueStorage;
             PythonQtValueStorage<void*, 128>   PythonQtConv::global_ptrStorage;
             PythonQtValueStorage<QVariant, 32> PythonQtConv::global_variantStorage;
             QHash<int, PythonQtConvertMetaTypeToPythonCB*> PythonQtConv::_metaTypeToPythonConverters;
             QHash<int, PythonQtConvertPythonToMetaTypeCB*> PythonQtConv::_pythonToMetaTypeConverters;
             PyObject* PythonQtConv::GetPyBool(bool val)
             {
               PyObject* r = val?Py_True:Py_False;
               Py_INCREF(r);
               return r;
             }
             PyObject* PythonQtConv::ConvertQtValueToPython(const PythonQtMethodInfo::ParameterInfo& info, const void* data) {
               // is it an enum value?
               if (info.enumWrapper) {
-                if (!info.isPointer) {
+                if (info.pointerCount==0) {
                   return PythonQtPrivate::createEnumValueInstance(info.enumWrapper, *((unsigned int*)data));
                 } else {
                   // we do not support pointers to enums (who needs them?)
                   Py_INCREF(Py_None);
                   return Py_None;
                 }
               }
               if (info.typeId == QMetaType::Void) {
                 Py_INCREF(Py_None);
                 return Py_None;
-              } else if (info.isPointer && (info.typeId == QMetaType::Char)) {
+              } else if ((info.pointerCount == 1) && (info.typeId == QMetaType::Char)) {
                 // a char ptr will probably be a null terminated string, so we support that:
                 return PyString_FromString(*((char**)data));
               } else if ((info.typeId == PythonQtMethodInfo::Unknown || info.typeId >= QMetaType::User) &&
                          info.name.startsWith("QList<")) {
                 // it is a QList template:
                 QByteArray innerType = info.name.mid(6,info.name.length()-7);
                 if (innerType.endsWith("*")) {
                   innerType.truncate(innerType.length()-1);
-                  QList<void*>* listPtr;
+                  QList<void*>* listPtr = NULL;
-                  if (info.isPointer) {
+                  if (info.pointerCount == 1) {
                     listPtr = *((QList<void*>**)data);
-                  } else {
+                  } else if (info.pointerCount == 0) {
                     listPtr = (QList<void*>*)data;
                   }
+                  if (listPtr) {
                     return ConvertQListOfPointerTypeToPythonList(listPtr, innerType);
+                  } else {
+                    return NULL;
+                  }
                 }
               }
               if (info.typeId >= QMetaType::User) {
                 // if a converter is registered, we use is:
                 PythonQtConvertMetaTypeToPythonCB* converter = _metaTypeToPythonConverters.value(info.typeId);
                 if (converter) {
                   return (*converter)(data, info.typeId);
                 }
               }
               // special handling did not match, so we convert the usual way (either pointer or value version):
-              if (info.isPointer) {
+              if (info.pointerCount == 1) {
                 // convert the pointer to a Python Object (we can handle ANY C++ object, in the worst case we just know the type and the pointer)
                 return PythonQt::priv()->wrapPtr(*((void**)data), info.name);
-              } else {
+              } else if (info.pointerCount == 0) {
                 // handle values that are not yet handled and not pointers
                 return ConvertQtValueToPythonInternal(info.typeId, data);
+              } else {
+                return NULL;
               }
             }
             PyObject* PythonQtConv::ConvertQtValueToPythonInternal(int type, const void* data) {
               switch (type) {
               case QMetaType::Void:
                 Py_INCREF(Py_None);
                 return Py_None;
               case QMetaType::Char:
                 return PyInt_FromLong(*((char*)data));
               case QMetaType::UChar:
                 return PyInt_FromLong(*((unsigned char*)data));
               case QMetaType::Short:
                 return PyInt_FromLong(*((short*)data));
               case QMetaType::UShort:
                 return PyInt_FromLong(*((unsigned short*)data));
               case QMetaType::Long:
                 return PyInt_FromLong(*((long*)data));
               case QMetaType::ULong:
                 // does not fit into simple int of python
                 return PyLong_FromUnsignedLong(*((unsigned long*)data));
               case QMetaType::Bool:
                 return PythonQtConv::GetPyBool(*((bool*)data));
               case QMetaType::Int:
                 return PyInt_FromLong(*((int*)data));
               case QMetaType::UInt:
                 // does not fit into simple int of python
                 return PyLong_FromUnsignedLong(*((unsigned int*)data));
               case QMetaType::QChar:
                 return PyInt_FromLong(*((short*)data));
               case QMetaType::Float:
                 return PyFloat_FromDouble(*((float*)data));
               case QMetaType::Double:
                 return PyFloat_FromDouble(*((double*)data));
               case QMetaType::LongLong:
                 return PyLong_FromLongLong(*((qint64*)data));
               case QMetaType::ULongLong:
                 return PyLong_FromUnsignedLongLong(*((quint64*)data));
                   // implicit conversion from QByteArray to str has been removed:
               //case QMetaType::QByteArray: {
               //  QByteArray* v = (QByteArray*) data;
               //  return PyString_FromStringAndSize(*v, v->size());
               //                            }
               case QMetaType::QVariantMap:
                 return PythonQtConv::QVariantMapToPyObject(*((QVariantMap*)data));
               case QMetaType::QVariantList:
                 return PythonQtConv::QVariantListToPyObject(*((QVariantList*)data));
               case QMetaType::QString:
                 return PythonQtConv::QStringToPyObject(*((QString*)data));
               case QMetaType::QStringList:
                 return PythonQtConv::QStringListToPyObject(*((QStringList*)data));
               case PythonQtMethodInfo::Variant:
                 return PythonQtConv::QVariantToPyObject(*((QVariant*)data));
               case QMetaType::QObjectStar:
               case QMetaType::QWidgetStar:
                 return PythonQt::priv()->wrapQObject(*((QObject**)data));
               default:
                 if (PythonQt::priv()->isPythonQtObjectPtrMetaId(type)) {
                   // special case, it is a PythonQtObjectPtr which contains a PyObject, take it directly:
                   PyObject* o = ((PythonQtObjectPtr*)data)->object();
                   Py_INCREF(o);
                   return o;
                 } else {
                   if (type > 0) {
                     // if the type is known, we can construct it via QMetaType::construct
                     void* newCPPObject = QMetaType::construct(type, data);
                     // XXX this could be optimized by using metatypeid directly
                     PythonQtInstanceWrapper* wrap = (PythonQtInstanceWrapper*)PythonQt::priv()->wrapPtr(newCPPObject, QMetaType::typeName(type));
                     wrap->_ownedByPythonQt = true;
                     wrap->_useQMetaTypeDestroy = true;
                     return (PyObject*)wrap;
                   }
                   std::cerr << "Unknown type that can not be converted to Python: " << type << ", in " << __FILE__ << ":" << __LINE__ << std::endl;
                 }
             }
             Py_INCREF(Py_None);
             return Py_None;
              }
              void* PythonQtConv::CreateQtReturnValue(const PythonQtMethodInfo::ParameterInfo& info) {
                void* ptr = NULL;
-               if (info.isPointer) {
+               if (info.pointerCount>1) {
+                 return NULL;
+               } else if (info.pointerCount==1) {
                  PythonQtValueStorage_ADD_VALUE(global_ptrStorage, void*, NULL, ptr);
                } else if (info.enumWrapper) {
                  // create enum return value
                  PythonQtValueStorage_ADD_VALUE(PythonQtConv::global_valueStorage, long, 0, ptr);
                } else {
                  switch (info.typeId) {
                  case QMetaType::Char:
                  case QMetaType::UChar:
                  case QMetaType::Short:
                  case QMetaType::UShort:
                  case QMetaType::Long:
                  case QMetaType::ULong:
                  case QMetaType::Bool:
                  case QMetaType::Int:
                  case QMetaType::UInt:
                  case QMetaType::QChar:
                  case QMetaType::Float:
                  case QMetaType::Double:
                    PythonQtValueStorage_ADD_VALUE(global_valueStorage, qint64, 0, ptr);
                    break;
                  case PythonQtMethodInfo::Variant:
                    PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, 0, ptr);
                    // return the ptr to the variant
                    break;
                  default:
                    if (info.typeId == PythonQtMethodInfo::Unknown) {
                      // check if we have a QList of pointers, which we can circumvent with a QList<void*>
                      if (info.name.startsWith("QList<")) {
                        QByteArray innerType = info.name.mid(6,info.name.length()-7);
                        if (innerType.endsWith("*")) {
                          static int id = QMetaType::type("QList<void*>");
                          PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QVariant::Type(id), ptr);
                          // return the constData pointer that will be filled with the result value later on
                          ptr = (void*)((QVariant*)ptr)->constData();
                        }
                      }
                    }
                   if (!ptr && info.typeId!=PythonQtMethodInfo::Unknown) {
                      // everything else is stored in a QVariant, if we know the meta type...
                      PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QVariant::Type(info.typeId), ptr);
                      // return the constData pointer that will be filled with the result value later on
                      ptr = (void*)((QVariant*)ptr)->constData();
                    }
                  }
                }
                return ptr;
              }
              void* PythonQtConv::castWrapperTo(PythonQtInstanceWrapper* wrapper, const QByteArray& className, bool& ok)
              {
                void* object;
                if (wrapper->classInfo()->isCPPWrapper()) {
                  object = wrapper->_wrappedPtr;
                } else {
                  QObject* tmp = wrapper->_obj;
                  object = tmp;
                }
                if (object) {
                  // if we can be upcasted to the given name, we pass the casted pointer in:
                  object = wrapper->classInfo()->castTo(object, className);
                  ok = object!=NULL;
                } else {
                  // if it is a NULL ptr, we need to check if it inherits, so that we might pass the NULL ptr
                  ok = wrapper->classInfo()->inherits(className);
                }
                return object;
              }
             void* PythonQtConv::handlePythonToQtAutoConversion(int typeId, PyObject* obj, void* alreadyAllocatedCPPObject)
             {
               void* ptr = alreadyAllocatedCPPObject;
               static int penId = QMetaType::type("QPen");
               static int brushId = QMetaType::type("QBrush");
               static int cursorId = QMetaType::type("QCursor");
               static int colorId = QMetaType::type("QColor");
               static PyObject* qtGlobalColorEnum = PythonQtClassInfo::findEnumWrapper("Qt::GlobalColor", NULL);
               if (typeId == cursorId) {
                 static PyObject* qtCursorShapeEnum = PythonQtClassInfo::findEnumWrapper("Qt::CursorShape", NULL);
                 if ((PyObject*)obj->ob_type == qtCursorShapeEnum) {
                   Qt::CursorShape val = (Qt::CursorShape)PyInt_AS_LONG(obj);
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QCursor(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QCursor*)ptr) = QCursor(val);
                   return ptr;
                 }
               } else if (typeId == penId) {
                 // brushes can be created from QColor and from Qt::GlobalColor (and from brushes, but that's the default)
                 static PyObject* qtColorClass = PythonQt::priv()->getClassInfo("QColor")->pythonQtClassWrapper();
                 if ((PyObject*)obj->ob_type == qtGlobalColorEnum) {
                   Qt::GlobalColor val = (Qt::GlobalColor)PyInt_AS_LONG(obj);
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QPen(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QPen*)ptr) = QPen(QColor(val));
                   return ptr;
                 } else if ((PyObject*)obj->ob_type == qtColorClass) {
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QPen(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QPen*)ptr) = QPen(*((QColor*)((PythonQtInstanceWrapper*)obj)->_wrappedPtr));
                   return ptr;
                 }
               } else if (typeId == brushId) {
                 // brushes can be created from QColor and from Qt::GlobalColor (and from brushes, but that's the default)
                 static PyObject* qtColorClass = PythonQt::priv()->getClassInfo("QColor")->pythonQtClassWrapper();
                 if ((PyObject*)obj->ob_type == qtGlobalColorEnum) {
                   Qt::GlobalColor val = (Qt::GlobalColor)PyInt_AS_LONG(obj);
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QBrush(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QBrush*)ptr) = QBrush(QColor(val));
                   return ptr;
                 } else if ((PyObject*)obj->ob_type == qtColorClass) {
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QBrush(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QBrush*)ptr) = QBrush(*((QColor*)((PythonQtInstanceWrapper*)obj)->_wrappedPtr));
                   return ptr;
                 }
               } else if (typeId == colorId) {
                 // colors can be created from Qt::GlobalColor (and from colors, but that's the default)
                 if ((PyObject*)obj->ob_type == qtGlobalColorEnum) {
                   Qt::GlobalColor val = (Qt::GlobalColor)PyInt_AS_LONG(obj);
                   if (!ptr) {
                     PythonQtValueStorage_ADD_VALUE(global_variantStorage, QVariant, QColor(), ptr);
                     ptr = (void*)((QVariant*)ptr)->constData();
                   }
                   *((QColor*)ptr) = QColor(val);
                   return ptr;
                 }
               }
               return NULL;
             }
             void* PythonQtConv::ConvertPythonToQt(const PythonQtMethodInfo::ParameterInfo& info, PyObject* obj, bool strict, PythonQtClassInfo* /*classInfo*/, void* alreadyAllocatedCPPObject)
              {
                bool ok = false;
                void* ptr = NULL;
                // autoconversion of QPen/QBrush/QCursor/QColor from different type
-               if (!info.isPointer && !strict) {
+               if (info.pointerCount==0 && !strict) {
                  ptr = handlePythonToQtAutoConversion(info.typeId, obj, alreadyAllocatedCPPObject);
                  if (ptr) {
                    return ptr;
                  }
                }
                if (PyObject_TypeCheck(obj, &PythonQtInstanceWrapper_Type) && info.typeId != PythonQtMethodInfo::Variant) {
                  // if we have a Qt wrapper object and if we do not need a QVariant, we do the following:
                  // (the Variant case is handled below in a switch)
                  // a C++ wrapper (can be passed as pointer or reference)
                  PythonQtInstanceWrapper* wrap = (PythonQtInstanceWrapper*)obj;
                  void* object = castWrapperTo(wrap, info.name, ok);
                  if (ok) {
-                   if (info.isPointer) {
+                   if (info.pointerCount==1) {
                      // store the wrapped pointer in an extra pointer and let ptr point to the extra pointer
                      PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_ptrStorage, void*, object, ptr);
-                   } else {
+                   } else if (info.pointerCount==0) {
                      // store the wrapped pointer directly, since we are a reference
                      ptr = object;
                    }
                  } else {
                   // not matching
                  }
-               } else if (info.isPointer) {
+               } else if (info.pointerCount == 1) {
                  // a pointer
                  if (info.typeId == QMetaType::Char || info.typeId == QMetaType::UChar)
                  {
                    QString str = PyObjGetString(obj, strict, ok);
                    if (ok) {
                      void* ptr2 = NULL;
                      PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant(str.toUtf8()), ptr2);
                      PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_ptrStorage, void*, (((QByteArray*)((QVariant*)ptr2)->constData())->data()), ptr);
                    }
                  } else if (info.name == "PyObject") {
                    // handle low level PyObject directly
                    PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_ptrStorage, void*, obj, ptr);
                  } else if (obj == Py_None) {
                    // None is treated as a NULL ptr
                    PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_ptrStorage, void*, NULL, ptr);
                  } else {
                    // if we are not strict, we try if we are passed a 0 integer
                    if (!strict) {
                      bool ok;
                      int value = PyObjGetInt(obj, true, ok);
                      if (ok && value==0) {
                        // TODOXXX is this wise? or should it be expected from the programmer to use None?
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_ptrStorage, void*, NULL, ptr);
                      }
                    }
                  }
-               } else {
+               } else if (info.pointerCount == 0) {
                  // not a pointer
                  switch (info.typeId) {
                  case QMetaType::Char:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, char, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::UChar:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, unsigned char, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Short:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, short, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::UShort:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, unsigned short, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Long:
                    {
                      long val = (long)PyObjGetLongLong(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, long, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::ULong:
                    {
                      unsigned long val = (unsigned long)PyObjGetLongLong(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, unsigned long, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Bool:
                    {
                      bool val = PyObjGetBool(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, bool, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Int:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, int, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::UInt:
                    {
                      unsigned int val = (unsigned int)PyObjGetLongLong(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, unsigned int, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::QChar:
                    {
                      int val = PyObjGetInt(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, short, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Float:
                    {
                      float val = (float)PyObjGetDouble(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, float, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::Double:
                    {
                      double val = (double)PyObjGetDouble(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, double, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::LongLong:
                    {
                      qint64 val = PyObjGetLongLong(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, qint64, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::ULongLong:
                    {
                      quint64 val = PyObjGetULongLong(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, quint64, val, ptr);
                      }
                    }
                    break;
                  case QMetaType::QByteArray:
                    {
                      QByteArray bytes = PyObjGetBytes(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant(bytes), ptr);
                        ptr = (void*)((QVariant*)ptr)->constData();
                      }
                    }
                    break;
                  case QMetaType::QString:
                    {
                      QString str = PyObjGetString(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant(str), ptr);
                        ptr = (void*)((QVariant*)ptr)->constData();
                      }
                    }
                    break;
                  case QMetaType::QStringList:
                    {
                      QStringList l = PyObjToStringList(obj, strict, ok);
                      if (ok) {
                        PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant(l), ptr);
                        ptr = (void*)((QVariant*)ptr)->constData();
                      }
                    }
                    break;
                  case PythonQtMethodInfo::Variant:
                    {
                      QVariant v = PyObjToQVariant(obj);
                      // the only case where conversion can fail it None and we want to pass that to, e.g. setProperty(),
                      // so we do not check v.isValid() here
                      PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, v, ptr);
                    }
                    break;
                    default:
                    {
                      // check for enum case
                      if (info.enumWrapper) {
                        unsigned int val;
                        ok = false;
                        if ((PyObject*)obj->ob_type == info.enumWrapper) {
                          // we have a exact enum type match:
                          val = PyInt_AS_LONG(obj);
                          ok = true;
                        } else if (!strict) {
                          // we try to get any integer, when not being strict. If we are strict, integers are not wanted because
                          // we want an integer overload to be taken first!
                          val = (unsigned int)PyObjGetLongLong(obj, false, ok);
                        }
                        if (ok) {
                          PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_valueStorage, unsigned int, val, ptr);
                          return ptr;
                        } else {
                          return NULL;
                        }
                      }
                      if (info.typeId == PythonQtMethodInfo::Unknown || info.typeId >= QMetaType::User) {
                        // check for QList<AnyPtr*> case, where we will use a QList<void*> QVariant
                        if (info.name.startsWith("QList<")) {
                          QByteArray innerType = info.name.mid(6,info.name.length()-7);
                          if (innerType.endsWith("*")) {
                            innerType.truncate(innerType.length()-1);
                            static int id = QMetaType::type("QList<void*>");
                            if (!alreadyAllocatedCPPObject) {
                              PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant::Type(id), ptr);
                              ptr = (void*)((QVariant*)ptr)->constData();
                            } else {
                              ptr = alreadyAllocatedCPPObject;
                            }
                            ok = ConvertPythonListToQListOfPointerType(obj, (QList<void*>*)ptr, innerType, strict);
                            if (ok) {
                              return ptr;
                            } else {
                              return NULL;
                            }
                          }
                        }
                      }
                      // We only do this for registered type > QMetaType::User for performance reasons.
                      if (info.typeId >= QMetaType::User) {
                        // Maybe we have a special converter that is registered for that type:
                        PythonQtConvertPythonToMetaTypeCB* converter = _pythonToMetaTypeConverters.value(info.typeId);
                        if (converter) {
                          if (!alreadyAllocatedCPPObject) {
                            // create a new empty variant of concrete type:
                            PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, QVariant::Type(info.typeId), ptr);
                            ptr = (void*)((QVariant*)ptr)->constData();
                          } else {
                            ptr = alreadyAllocatedCPPObject;
                          }
                          // now call the converter, passing the internal object of the variant
                          ok = (*converter)(obj, ptr, info.typeId, strict);
                          if (ok) {
                            return ptr;
                          } else {
                            return NULL;
                          }
                        }
                      }
                      // if no type id is available, conversion to a QVariant makes no sense/is not possible
                      if (info.typeId != PythonQtMethodInfo::Unknown) {
                        // for all other types, we use the same qvariant conversion and pass out the constData of the variant:
                        QVariant v = PyObjToQVariant(obj, info.typeId);
                        if (v.isValid()) {
                          PythonQtValueStorage_ADD_VALUE_IF_NEEDED(alreadyAllocatedCPPObject,global_variantStorage, QVariant, v, ptr);
                          ptr = (void*)((QVariant*)ptr)->constData();
                        }
                      }
                    }
                 }
               }
               return ptr;
             }
             QStringList PythonQtConv::PyObjToStringList(PyObject* val, bool strict, bool& ok) {
               QStringList v;
               ok = false;
               // if we are strict, we do not want to convert a string to a stringlist
               // (strings in python are detected to be sequences)
               if (strict &&
                 (val->ob_type == &PyString_Type ||
                 PyUnicode_Check(val))) {
                 ok = false;
                 return v;
               }
               if (PySequence_Check(val)) {
                 int count = PySequence_Size(val);
                 for (int i = 0;i<count;i++) {
                   PyObject* value = PySequence_GetItem(val,i);
                   v.append(PyObjGetString(value,false,ok));
                 }
                 ok = true;
               }
               return v;
             }
             QString PythonQtConv::PyObjGetRepresentation(PyObject* val)
             {
               QString r;
               PyObject* str =  PyObject_Repr(val);
               if (str) {
                 r = QString(PyString_AS_STRING(str));
                 Py_DECREF(str);
               }
               return r;
             }
             QString PythonQtConv::PyObjGetString(PyObject* val, bool strict, bool& ok) {
               QString r;
               ok = true;
               if (val->ob_type == &PyString_Type) {
                 r = QString(PyString_AS_STRING(val));
               } else if (PyUnicode_Check(val)) {
             #ifdef WIN32
                 r = QString::fromUtf16(PyUnicode_AS_UNICODE(val));
             #else
                 PyObject *ptmp = PyUnicode_AsUTF8String(val);
                 if(ptmp) {
                   r = QString::fromUtf8(PyString_AS_STRING(ptmp));
                   Py_DECREF(ptmp);
                 }
             #endif
               } else if (!strict) {
                 // EXTRA: could also use _Unicode, but why should we?
                 PyObject* str =  PyObject_Str(val);
                 if (str) {
                   r = QString(PyString_AS_STRING(str));
                   Py_DECREF(str);
                 } else {
                   ok = false;
                 }
               } else {
                 ok = false;
               }
               return r;
             }
             QByteArray PythonQtConv::PyObjGetBytes(PyObject* val, bool /*strict*/, bool& ok) {
               // TODO: support buffer objects in general
               QByteArray r;
               ok = true;
               if (val->ob_type == &PyString_Type) {
                 long size = PyString_GET_SIZE(val);
                 r = QByteArray(PyString_AS_STRING(val), size);
               } else {
                 ok = false;
               }
               return r;
             }
             bool PythonQtConv::PyObjGetBool(PyObject* val, bool strict, bool &ok) {
               bool d = false;
               ok = false;
               if (val == Py_False) {
                 d = false;
                 ok = true;
               } else if (val == Py_True) {
                 d = true;
                 ok = true;
               } else if (!strict) {
                 d = PyObjGetInt(val, false, ok)!=0;
                 ok = true;
               }
               return d;
             }
             int PythonQtConv::PyObjGetInt(PyObject* val, bool strict, bool &ok) {
               int d = 0;
               ok = true;
               if (val->ob_type == &PyInt_Type) {
                 d = PyInt_AS_LONG(val);
               } else if (!strict) {
                 if (PyObject_TypeCheck(val, &PyInt_Type)) {
                   // support for derived int classes, e.g. for our enums
                   d = PyInt_AS_LONG(val);
                 } else if (val->ob_type == &PyFloat_Type) {
                   d = floor(PyFloat_AS_DOUBLE(val));
                 } else if (val->ob_type == &PyLong_Type) {
                   // handle error on overflow!
                   d = PyLong_AsLong(val);
                 } else if (val == Py_False) {
                   d = 0;
                 } else if (val == Py_True) {
                   d = 1;
                 } else {
                   ok = false;
                 }
               } else {
                 ok = false;
               }
               return d;
             }
             qint64 PythonQtConv::PyObjGetLongLong(PyObject* val, bool strict, bool &ok) {
               qint64 d = 0;
               ok = true;
               if (val->ob_type == &PyInt_Type) {
                 d = PyInt_AS_LONG(val);
               } else if (val->ob_type == &PyLong_Type) {
                 d = PyLong_AsLongLong(val);
               } else if (!strict) {
                 if (PyObject_TypeCheck(val, &PyInt_Type)) {
                   // support for derived int classes, e.g. for our enums
                   d = PyInt_AS_LONG(val);
                 } else if (val->ob_type == &PyFloat_Type) {
                   d = floor(PyFloat_AS_DOUBLE(val));
                 } else if (val == Py_False) {
                   d = 0;
                 } else if (val == Py_True) {
                   d = 1;
                 } else {
                   ok = false;
                 }
               } else {
                 ok = false;
               }
               return d;
             }
             quint64 PythonQtConv::PyObjGetULongLong(PyObject* val, bool strict, bool &ok) {
               quint64 d = 0;
               ok = true;
               if (PyObject_TypeCheck(val, &PyInt_Type)) {
                 d = PyInt_AS_LONG(val);
               } else if (val->ob_type == &PyLong_Type) {
                 d = PyLong_AsLongLong(val);
               } else if (!strict) {
                 if (PyObject_TypeCheck(val, &PyInt_Type)) {
                   // support for derived int classes, e.g. for our enums
                   d = PyInt_AS_LONG(val);
                 } else if (val->ob_type == &PyFloat_Type) {
                   d = floor(PyFloat_AS_DOUBLE(val));
                 } else if (val == Py_False) {
                   d = 0;
                 } else if (val == Py_True) {
                   d = 1;
                 } else {
                   ok = false;
                 }
               } else {
                 ok = false;
               }
               return d;
             }
             double PythonQtConv::PyObjGetDouble(PyObject* val, bool strict, bool &ok) {
               double d = 0;
               ok = true;
               if (val->ob_type == &PyFloat_Type) {
                 d = PyFloat_AS_DOUBLE(val);
               } else if (!strict) {
                 if (PyObject_TypeCheck(val, &PyInt_Type)) {
                   d = PyInt_AS_LONG(val);
                 } else if (val->ob_type == &PyLong_Type) {
                   d = PyLong_AsLong(val);
                 } else if (val == Py_False) {
                   d = 0;
                 } else if (val == Py_True) {
                   d = 1;
                 } else {
                   ok = false;
                 }
               } else {
                 ok = false;
               }
               return d;
             }
             QVariant PythonQtConv::PyObjToQVariant(PyObject* val, int type)
             {
               QVariant v;
               bool ok = true;
               if (type==-1) {
                 // no special type requested
                 if (val->ob_type==&PyString_Type || val->ob_type==&PyUnicode_Type) {
                   type = QVariant::String;
                 } else if (PyObject_TypeCheck(val, &PyInt_Type)) {
                   type = QVariant::Int;
                 } else if (val->ob_type==&PyLong_Type) {
                   type = QVariant::LongLong;
                 } else if (val->ob_type==&PyFloat_Type) {
                   type = QVariant::Double;
                 } else if (val == Py_False || val == Py_True) {
                   type = QVariant::Bool;
                 } else if (PyObject_TypeCheck(val, &PythonQtInstanceWrapper_Type)) {
                   PythonQtInstanceWrapper* wrap = (PythonQtInstanceWrapper*)val;
                   // c++ wrapper, check if the class names of the c++ objects match
                   if (wrap->classInfo()->isCPPWrapper()) {
                     if (wrap->classInfo()->metaTypeId()>0) {
                       // construct a new variant from the C++ object if it has a meta type (this will COPY the object!)
                       v = QVariant(wrap->classInfo()->metaTypeId(), wrap->_wrappedPtr);
                     } else {
                       // TODOXXX we could as well check if there is a registered meta type for "classname*", so that we may pass
                       // the pointer here...
                       // is this worth anything? we loose the knowledge of the cpp object type
                       v = qVariantFromValue(wrap->_wrappedPtr);
                     }
                   } else {
                     // this gives us a QObject pointer
                     QObject* myObject = wrap->_obj;
                     v = qVariantFromValue(myObject);
                   }
                   return v;
                 } else if (val->ob_type==&PyDict_Type) {
                   type = QVariant::Map;
                 } else if (val->ob_type==&PyList_Type || val->ob_type==&PyTuple_Type || PySequence_Check(val)) {
                   type = QVariant::List;
                 } else if (val == Py_None) {
                   // none is invalid
                   type = QVariant::Invalid;
                 } else {
                   // this used to be:
                   // type = QVariant::String;
                   // but now we want to transport the Python Objects directly:
                   PythonQtObjectPtr o(val);
                   v = qVariantFromValue(o);
                   return v;
                 }
               }
               // special type request:
               switch (type) {
               case QVariant::Invalid:
                 return v;
                 break;
               case QVariant::Int:
                 {
                   int d = PyObjGetInt(val, false, ok);
                   if (ok) return QVariant(d);
                 }
                 break;
               case QVariant::UInt:
                 {
                   int d = PyObjGetInt(val, false,ok);
                   if (ok) v = QVariant((unsigned int)d);
                 }
                 break;
               case QVariant::Bool:
                 {
                   int d = PyObjGetBool(val,false,ok);
                   if (ok) v =  QVariant((bool)(d!=0));
                 }
                 break;
               case QVariant::Double:
                 {
                   double d = PyObjGetDouble(val,false,ok);
                   if (ok) v =  QVariant(d);
                   break;
                 }
               case QMetaType::Float:
                 {
                   float d = (float) PyObjGetDouble(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::Long:
                 {
                   long d = (long) PyObjGetLongLong(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::ULong:
                 {
                   unsigned long d = (unsigned long) PyObjGetLongLong(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::LongLong:
                 {
                   qint64 d = PyObjGetLongLong(val, false, ok);
                   if (ok) v =  qVariantFromValue(d);
                 }
                 break;
               case QMetaType::ULongLong:
                 {
                   quint64 d = PyObjGetULongLong(val, false, ok);
                   if (ok) v =  qVariantFromValue(d);
                 }
                 break;
               case QMetaType::Short:
                 {
                   short d = (short) PyObjGetInt(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::UShort:
                 {
                   unsigned short d = (unsigned short) PyObjGetInt(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::Char:
                 {
                   char d = (char) PyObjGetInt(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QMetaType::UChar:
                 {
                   unsigned char d = (unsigned char) PyObjGetInt(val,false,ok);
                   if (ok) v =  qVariantFromValue(d);
                   break;
                 }
               case QVariant::ByteArray:
               case QVariant::String:
                 {
                   bool ok;
                   v = QVariant(PyObjGetString(val, false, ok));
                 }
                 break;
                 // these are important for MeVisLab
               case QVariant::Map:
                 {
                   if (PyMapping_Check(val)) {
                     QMap<QString,QVariant> map;
                     PyObject* items = PyMapping_Items(val);
                     if (items) {
                       int count = PyList_Size(items);
                       PyObject* value;
                       PyObject* key;
                       PyObject* tuple;
                       for (int i = 0;i<count;i++) {
                         tuple = PyList_GetItem(items,i);
                         key = PyTuple_GetItem(tuple, 0);
                         value = PyTuple_GetItem(tuple, 1);
                         map.insert(PyObjGetString(key), PyObjToQVariant(value,-1));
                       }
                       Py_DECREF(items);
                       v = map;
                     }
                   }
                 }
                 break;
               case QVariant::List:
                 if (PySequence_Check(val)) {
                   QVariantList list;
                   int count = PySequence_Size(val);
                   PyObject* value;
                   for (int i = 0;i<count;i++) {
                     value = PySequence_GetItem(val,i);
                     list.append(PyObjToQVariant(value, -1));
                   }
                   v = list;
                 }
                 break;
               case QVariant::StringList:
                 {
                   bool ok;
                   QStringList l = PyObjToStringList(val, false, ok);
                   if (ok) {
                     v = l;
                   }
                 }
                 break;
               default:
                 if (PyObject_TypeCheck(val, &PythonQtInstanceWrapper_Type)) {
                   PythonQtInstanceWrapper* wrap = (PythonQtInstanceWrapper*)val;
                   if (wrap->classInfo()->isCPPWrapper() && wrap->classInfo()->metaTypeId() == type) {
                     // construct a new variant from the C++ object if it has the same meta type
                     v = QVariant(type, wrap->_wrappedPtr);
                   } else {
                     v = QVariant();
                   }
                 } else {
                   v = QVariant();
                 }
               }
               return v;
             }
             PyObject* PythonQtConv::QStringToPyObject(const QString& str)
             {
               if (str.isNull()) {
                 return PyString_FromString("");
               } else {
             #ifdef WIN32
                 //    return PyString_FromString(str.toLatin1().data());
                 return PyUnicode_FromUnicode(str.utf16(), str.length());
             #else
                 return PyUnicode_DecodeUTF16((const char*)str.utf16(), str.length()*2, NULL, NULL);
             #endif
               }
             }
             PyObject* PythonQtConv::QStringListToPyObject(const QStringList& list)
             {
               PyObject* result = PyTuple_New(list.count());
               int i = 0;
               QString str;
               foreach (str, list) {
                 PyTuple_SET_ITEM(result, i, PythonQtConv::QStringToPyObject(str));
                 i++;
               }
               // why is the error state bad after this?
               PyErr_Clear();
               return result;
             }
             PyObject* PythonQtConv::QStringListToPyList(const QStringList& list)
             {
               PyObject* result = PyList_New(list.count());
               int i = 0;
               for (QStringList::ConstIterator it = list.begin(); it!=list.end(); ++it) {
                 PyList_SET_ITEM(result, i, PythonQtConv::QStringToPyObject(*it));
                 i++;
               }
               return result;
             }
             PyObject* PythonQtConv::QVariantToPyObject(const QVariant& v)
             {
               return ConvertQtValueToPythonInternal(v.userType(), (void*)v.constData());
             }
             PyObject* PythonQtConv::QVariantMapToPyObject(const QVariantMap& m) {
               PyObject* result = PyDict_New();
               QVariantMap::const_iterator t = m.constBegin();
               PyObject* key;
               PyObject* val;
               for (;t!=m.end();t++) {
                 key = QStringToPyObject(t.key());
                 val = QVariantToPyObject(t.value());
                 PyDict_SetItem(result, key, val);
                 Py_DECREF(key);
                 Py_DECREF(val);
               }
               return result;
             }
             PyObject* PythonQtConv::QVariantListToPyObject(const QVariantList& l) {
               PyObject* result = PyTuple_New(l.count());
               int i = 0;
               QVariant v;
               foreach (v, l) {
                 PyTuple_SET_ITEM(result, i, PythonQtConv::QVariantToPyObject(v));
                 i++;
               }
               // why is the error state bad after this?
               PyErr_Clear();
               return result;
             }
             PyObject* PythonQtConv::ConvertQListOfPointerTypeToPythonList(QList<void*>* list, const QByteArray& typeName)
             {
               PyObject* result = PyTuple_New(list->count());
               int i = 0;
               foreach (void* value, *list) {
                 PyTuple_SET_ITEM(result, i, PythonQt::priv()->wrapPtr(value, typeName));
                 i++;
               }
               return result;
             }
             bool PythonQtConv::ConvertPythonListToQListOfPointerType(PyObject* obj, QList<void*>* list, const QByteArray& type, bool /*strict*/)
             {
               bool result = false;
               if (PySequence_Check(obj)) {
                 result = true;
                 int count = PySequence_Size(obj);
                 PyObject* value;
                 for (int i = 0;i<count;i++) {
                   value = PySequence_GetItem(obj,i);
                   if (PyObject_TypeCheck(value, &PythonQtInstanceWrapper_Type)) {
                     PythonQtInstanceWrapper* wrap = (PythonQtInstanceWrapper*)value;
                     bool ok;
                     void* object = castWrapperTo(wrap, type, ok);
                     if (ok) {
                       list->append(object);
                     } else {
                       result = false;
                       break;
                     }
                   }
                 }
               }
               return result;
             }
             int PythonQtConv::getInnerTemplateMetaType(const QByteArray& typeName)
             {
               int idx = typeName.indexOf("<");
               if (idx>0) {
                 int idx2 = typeName.indexOf(">");
                 if (idx2>0) {
                   QByteArray innerType = typeName.mid(idx+1,idx2-idx-1);
                   return QMetaType::type(innerType.constData());
                 }
               }
               return QMetaType::Void;
             }
             QString PythonQtConv::CPPObjectToString(int type, const void* data) {
               QString r;
               switch (type) {
                 case QVariant::Size: {
                   const QSize* s = static_cast<const QSize*>(data);
                   r = QString::number(s->width()) + ", " + QString::number(s->height());
                   }
                   break;
                 case QVariant::SizeF: {
                   const QSizeF* s = static_cast<const QSizeF*>(data);
                   r = QString::number(s->width()) + ", " + QString::number(s->height());
                   }
                   break;
                 case QVariant::Point: {
                   const QPoint* s = static_cast<const QPoint*>(data);
                   r = QString::number(s->x()) + ", " + QString::number(s->y());
                   }
                   break;
                 case QVariant::PointF: {
                   const QPointF* s = static_cast<const QPointF*>(data);
                   r = QString::number(s->x()) + ", " + QString::number(s->y());
                   }
                   break;
                 case QVariant::Rect: {
                   const QRect* s = static_cast<const QRect*>(data);
                   r = QString::number(s->x()) + ", " + QString::number(s->y());
                   r += ", " + QString::number(s->width()) + ", " + QString::number(s->height());
                   }
                   break;
                 case QVariant::RectF: {
                   const QRectF* s = static_cast<const QRectF*>(data);
                   r = QString::number(s->x()) + ", " + QString::number(s->y());
                   r += ", " + QString::number(s->width()) + ", " + QString::number(s->height());
                   }
                   break;
                 case QVariant::Date: {
                   const QDate* s = static_cast<const QDate*>(data);
                   r = s->toString(Qt::ISODate);
                   }
                   break;
                 case QVariant::DateTime: {
                   const QDateTime* s = static_cast<const QDateTime*>(data);
                   r = s->toString(Qt::ISODate);
                   }
                   break;
                 case QVariant::Time: {
                   const QTime* s = static_cast<const QTime*>(data);
                   r = s->toString(Qt::ISODate);
                 }
                   break;
                 case QVariant::Pixmap:
                 {
                   const QPixmap* s = static_cast<const QPixmap*>(data);
                   r = QString("Pixmap ") + QString::number(s->width()) + ", " + QString::number(s->height());
                 }
                   break;
                 case QVariant::Image:
                 {
                   const QImage* s = static_cast<const QImage*>(data);
                   r = QString("Image ") + QString::number(s->width()) + ", " + QString::number(s->height());
                 }
                   break;
                 case QVariant::Url:
                   {
                     const QUrl* s = static_cast<const QUrl*>(data);
                     r = s->toString();
                   }
                   break;
                   //TODO: add more printing for other variant types
                 default:
                   // this creates a copy, but that should not be expensive for typical simple variants
                   // (but we do not want to do this for our won user types!
                   if (type>0 && type < (int)QVariant::UserType) {
                     QVariant v(type, data);
                     r = v.toString();
                   }
               }
               return r;
             }

src/PythonQtMethodInfo.cpp +9 -7

             /*
              *
              *  Copyright (C) 2010 MeVis Medical Solutions AG 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 Medical Solutions AG, Universitaetsallee 29,
              *  28359 Bremen, Germany or:
              *
              *  http://www.mevis.de
              *
              */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtMethodInfo.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtMethodInfo.h"
             #include "PythonQtClassInfo.h"
             #include <iostream>
             QHash<QByteArray, PythonQtMethodInfo*> PythonQtMethodInfo::_cachedSignatures;
             QHash<QByteArray, QByteArray> PythonQtMethodInfo::_parameterNameAliases;
             PythonQtMethodInfo::PythonQtMethodInfo(const QMetaMethod& meta, PythonQtClassInfo* classInfo)
             {
             #ifdef PYTHONQT_DEBUG
               QByteArray sig(meta.signature());
               sig = sig.mid(sig.indexOf('('));
               QByteArray fullSig = QByteArray(meta.typeName()) + " " + sig;
               std::cout << "caching " << fullSig.data() << std::endl;
             #endif
               ParameterInfo type;
               fillParameterInfo(type, QByteArray(meta.typeName()), classInfo);
               _parameters.append(type);
               QList<QByteArray> names = meta.parameterTypes();
               foreach (const QByteArray& name, names) {
                 fillParameterInfo(type, name, classInfo);
                 _parameters.append(type);
               }
             }
             PythonQtMethodInfo::PythonQtMethodInfo(const QByteArray& typeName, const QList<QByteArray>& args)
             {
               ParameterInfo type;
               fillParameterInfo(type, typeName, NULL);
               _parameters.append(type);
               foreach (const QByteArray& name, args) {
                 fillParameterInfo(type, name, NULL);
                 _parameters.append(type);
               }
             }
             const PythonQtMethodInfo* PythonQtMethodInfo::getCachedMethodInfo(const QMetaMethod& signal, PythonQtClassInfo* classInfo)
             {
               QByteArray sig(signal.signature());
               sig = sig.mid(sig.indexOf('('));
               QByteArray fullSig = QByteArray(signal.typeName()) + " " + sig;
               PythonQtMethodInfo* result = _cachedSignatures.value(fullSig);
               if (!result) {
                 result = new PythonQtMethodInfo(signal, classInfo);
                 _cachedSignatures.insert(fullSig, result);
               }
               return result;
             }
             const PythonQtMethodInfo* PythonQtMethodInfo::getCachedMethodInfoFromArgumentList(int numArgs, const char** args)
             {
               QByteArray typeName = args[0];
               QList<QByteArray> arguments;
               QByteArray fullSig = typeName;
               fullSig += "(";
               for (int i =1;i<numArgs; i++) {
                 if (i>1) {
                   fullSig += ",";
                 }
                 arguments << QByteArray(args[i]);
               }
               fullSig += ")";
               PythonQtMethodInfo* result = _cachedSignatures.value(fullSig);
               if (!result) {
                 result = new PythonQtMethodInfo(typeName, arguments);
                 _cachedSignatures.insert(fullSig, result);
               }
               return result;
             }
             void PythonQtMethodInfo::fillParameterInfo(ParameterInfo& type, const QByteArray& orgName, PythonQtClassInfo* classInfo)
             {
               QByteArray name = orgName;
               type.enumWrapper = NULL;
               int len = name.length();
               if (len>0) {
                 if (strncmp(name.constData(), "const ", 6)==0) {
                   name = name.mid(6);
                   len -= 6;
                   type.isConst = true;
                 } else {
                   type.isConst = false;
                 }
-                bool hadPointer   = false;
+                char pointerCount = 0;
                 bool hadReference = false;
                 // remove * and & from the end of the string, handle & and * the same way
                 while (name.at(len-1) == '*') {
                   len--;
-                  hadPointer = true;
+                  pointerCount++;
                 }
                 while (name.at(len-1) == '&') {
                   len--;
                   hadReference = true;
                 }
                 if (len!=name.length()) {
                   name = name.left(len);
                 }
-                type.isPointer = hadPointer;
+                type.pointerCount = pointerCount;
                 QByteArray alias = _parameterNameAliases.value(name);
                 if (!alias.isEmpty()) {
                   name = alias;
                 }
                 type.typeId = nameToType(name);
-                if (!type.isPointer && type.typeId == Unknown) {
+                if ((type.pointerCount == 0) && type.typeId == Unknown) {
                   type.typeId = QMetaType::type(name.constData());
                   if (type.typeId == QMetaType::Void) {
                     type.typeId = Unknown;
                   }
                 }
                 type.name = name;
                 if (type.typeId == PythonQtMethodInfo::Unknown || type.typeId >= QMetaType::User) {
                   bool isLocalEnum;
                   // TODOXXX: make use of this flag!
                   type.enumWrapper = PythonQtClassInfo::findEnumWrapper(type.name, classInfo, &isLocalEnum);
                 }
               } else {
                 type.typeId = QMetaType::Void;
-                type.isPointer = false;
+                type.pointerCount = 0;
                 type.isConst = false;
               }
             }
             int PythonQtMethodInfo::nameToType(const char* name)
             {
               if (_parameterTypeDict.isEmpty()) {
                 // we could also use QMetaType::nameToType, but that does a string compare search
                 // and does not support QVariant
                 // QMetaType names
                 _parameterTypeDict.insert("long", QMetaType::Long);
                 _parameterTypeDict.insert("int", QMetaType::Int);
                 _parameterTypeDict.insert("short", QMetaType::Short);
                 _parameterTypeDict.insert("char", QMetaType::Char);
                 _parameterTypeDict.insert("ulong", QMetaType::ULong);
                 _parameterTypeDict.insert("unsigned long", QMetaType::ULong);
                 _parameterTypeDict.insert("uint", QMetaType::UInt);
                 _parameterTypeDict.insert("unsigned int", QMetaType::UInt);
                 _parameterTypeDict.insert("ushort", QMetaType::UShort);
                 _parameterTypeDict.insert("unsigned short", QMetaType::UShort);
                 _parameterTypeDict.insert("uchar", QMetaType::UChar);
                 _parameterTypeDict.insert("unsigned char", QMetaType::UChar);
                 _parameterTypeDict.insert("bool", QMetaType::Bool);
                 _parameterTypeDict.insert("float", QMetaType::Float);
                 _parameterTypeDict.insert("double", QMetaType::Double);
                 _parameterTypeDict.insert("qreal", QMetaType::Double);
                 _parameterTypeDict.insert("QChar", QMetaType::QChar);
                 _parameterTypeDict.insert("QByteArray", QMetaType::QByteArray);
                 _parameterTypeDict.insert("Q3CString", QMetaType::QByteArray);
                 _parameterTypeDict.insert("QString", QMetaType::QString);
                 _parameterTypeDict.insert("", QMetaType::Void);
                 _parameterTypeDict.insert("void", QMetaType::Void);
                 // QVariant names
                 _parameterTypeDict.insert("Q_LLONG", QMetaType::LongLong);
                 _parameterTypeDict.insert("Q_ULLONG", QMetaType::ULongLong);
                 _parameterTypeDict.insert("qlonglong", QMetaType::LongLong);
                 _parameterTypeDict.insert("qulonglong", QMetaType::ULongLong);
                 _parameterTypeDict.insert("qint64", QMetaType::LongLong);
                 _parameterTypeDict.insert("quint64", QMetaType::ULongLong);
                 _parameterTypeDict.insert("QIconSet", QMetaType::QIcon);
                 _parameterTypeDict.insert("QVariantMap", QMetaType::QVariantMap);
                 _parameterTypeDict.insert("QVariantList", QMetaType::QVariantList);
                 _parameterTypeDict.insert("QMap<QString,QVariant>", QMetaType::QVariantMap);
                 _parameterTypeDict.insert("QList<QVariant>", QMetaType::QVariantList);
                 _parameterTypeDict.insert("QStringList", QMetaType::QStringList);
                 _parameterTypeDict.insert("QBitArray", QMetaType::QBitArray);
                 _parameterTypeDict.insert("QDate", QMetaType::QDate);
                 _parameterTypeDict.insert("QTime", QMetaType::QTime);
                 _parameterTypeDict.insert("QDateTime", QMetaType::QDateTime);
                 _parameterTypeDict.insert("QUrl", QMetaType::QUrl);
                 _parameterTypeDict.insert("QLocale", QMetaType::QLocale);
                 _parameterTypeDict.insert("QRect", QMetaType::QRect);
                 _parameterTypeDict.insert("QRectf", QMetaType::QRectF);
                 _parameterTypeDict.insert("QSize", QMetaType::QSize);
                 _parameterTypeDict.insert("QSizef", QMetaType::QSizeF);
                 _parameterTypeDict.insert("QLine", QMetaType::QLine);
                 _parameterTypeDict.insert("QLinef", QMetaType::QLineF);
                 _parameterTypeDict.insert("QPoint", QMetaType::QPoint);
                 _parameterTypeDict.insert("QPointf", QMetaType::QPointF);
                 _parameterTypeDict.insert("QRegExp", QMetaType::QRegExp);
             //    _parameterTypeDict.insert("QColorGroup", QMetaType::QColorGroup);
                 _parameterTypeDict.insert("QFont", QMetaType::QFont);
                 _parameterTypeDict.insert("QPixmap", QMetaType::QPixmap);
                 _parameterTypeDict.insert("QBrush", QMetaType::QBrush);
                 _parameterTypeDict.insert("QColor", QMetaType::QColor);
                 _parameterTypeDict.insert("QCursor", QMetaType::QCursor);
                 _parameterTypeDict.insert("QPalette", QMetaType::QPalette);
                 _parameterTypeDict.insert("QIcon", QMetaType::QIcon);
                 _parameterTypeDict.insert("QImage", QMetaType::QPolygon);
                 _parameterTypeDict.insert("QRegion", QMetaType::QRegion);
                 _parameterTypeDict.insert("QBitmap", QMetaType::QBitmap);
                 _parameterTypeDict.insert("QSizePolicy", QMetaType::QSizePolicy);
                 _parameterTypeDict.insert("QKeySequence", QMetaType::QKeySequence);
                 _parameterTypeDict.insert("QPen", QMetaType::QPen);
                 _parameterTypeDict.insert("QTextLength", QMetaType::QTextLength);
                 _parameterTypeDict.insert("QTextFormat", QMetaType::QTextFormat);
                 _parameterTypeDict.insert("QMatrix", QMetaType::QMatrix);
                 _parameterTypeDict.insert("QVariant", PythonQtMethodInfo::Variant);
                 // own special types... (none so far, could be e.g. ObjectList
               }
               QHash<QByteArray, int>::const_iterator it = _parameterTypeDict.find(name);
               if (it!=_parameterTypeDict.end()) {
                 return it.value();
               } else {
                 return PythonQtMethodInfo::Unknown;
               }
             }
             void PythonQtMethodInfo::cleanupCachedMethodInfos()
             {
               QHashIterator<QByteArray, PythonQtMethodInfo *> i(_cachedSignatures);
               while (i.hasNext()) {
                 delete i.next().value();
               }
             }
             void PythonQtMethodInfo::addParameterTypeAlias(const QByteArray& alias, const QByteArray& name)
             {
               _parameterNameAliases.insert(alias, name);
             }
             //-------------------------------------------------------------------------------------------------
             void PythonQtSlotInfo::deleteOverloadsAndThis()
             {
               PythonQtSlotInfo* cur = this;
               while(cur->nextInfo()) {
                 PythonQtSlotInfo* next = cur->nextInfo();
                 delete cur;
                 cur = next;
               }
             }
             QString PythonQtSlotInfo::fullSignature()
             {
               bool skipFirstArg = isInstanceDecorator();
               QString result = _meta.typeName();
               QByteArray sig = slotName();
               QList<QByteArray> names = _meta.parameterNames();
               bool isStatic = false;
               bool isConstructor = false;
               bool isDestructor = false;
               if (_type == ClassDecorator) {
                 if (sig.startsWith("new_")) {
                   sig = sig.mid(strlen("new_"));
                   isConstructor = true;
                 } else if (sig.startsWith("delete_")) {
                   sig = sig.mid(strlen("delete_"));
                   isDestructor = true;
                 } else if(sig.startsWith("static_")) {
                   isStatic = true;
                   sig = sig.mid(strlen("static_"));
                   int idx = sig.indexOf("_");
                   if (idx>=0) {
                     sig = sig.mid(idx+1);
                   }
                 }
               }
               result += QByteArray(" ") + sig;
               result += "(";
               int lastEntry = _parameters.count()-1;
               for (int i = skipFirstArg?2:1; i<_parameters.count(); i++) {
                 if (_parameters.at(i).isConst) {
                   result += "const ";
                 }
                 result += _parameters.at(i).name;
-                if (_parameters.at(i).isPointer) {
+                if (_parameters.at(i).pointerCount) {
-                  result += "*";
+                  QByteArray stars;
+                  stars.fill('*', _parameters.at(i).pointerCount);
+                  result += stars;
                 }
                 if (!names.at(i-1).isEmpty()) {
                   result += " ";
                   result += names.at(i-1);
                 }
                 if (i!=lastEntry) {
                   result += ", ";
                 }
               }
               result += ")";
               if (isStatic) {
                 result = QString("static ") + result;
               }
               if (isConstructor) {
             //    result = QString("constructor ") + result;
               }
               if (isDestructor) {
                 result = QString("~") + result;
               }
               return result;
             }
             QByteArray PythonQtSlotInfo::slotName()
             {
               QByteArray sig(_meta.signature());
               int idx = sig.indexOf('(');
               sig = sig.left(idx);
               return sig;
             }

src/PythonQtMethodInfo.h +1 -1

             #ifndef _PYTHONQTMETHODINFO_H
             #define _PYTHONQTMETHODINFO_H
             /*
              *
              *  Copyright (C) 2010 MeVis Medical Solutions AG 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 Medical Solutions AG, Universitaetsallee 29,
              *  28359 Bremen, Germany or:
              *
              *  http://www.mevis.de
              *
              */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtMethodInfo.h
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtSystem.h"
             #include <QByteArray>
             #include <QHash>
             #include <QList>
             #include <QMetaMethod>
             class PythonQtClassInfo;
             struct _object;
             typedef struct _object PyObject;
             //! stores information about a specific signal/slot/method
             class PYTHONQT_EXPORT PythonQtMethodInfo
             {
             public:
               enum ParameterType {
                 Unknown = -1,
                 Variant = -2
               };
               //! stores the QVariant id (if available) and the name of the type
               struct ParameterInfo {
                 QByteArray name;
                 PyObject*  enumWrapper; // if it is an enum, a pointer to the enum wrapper
                 int typeId; // a mixture from QMetaType and ParameterType
-                bool isPointer;
+                char pointerCount; // the number of pointers indirections
                 bool isConst;
               };
               PythonQtMethodInfo() {};
               ~PythonQtMethodInfo() {};
               PythonQtMethodInfo(const QMetaMethod& meta, PythonQtClassInfo* classInfo);
               PythonQtMethodInfo(const QByteArray& typeName, const QList<QByteArray>& args);
               PythonQtMethodInfo(const PythonQtMethodInfo& other) {
                 _parameters = other._parameters;
               }
               //! returns the method info of the signature, uses a cache internally to speed up
               //! multiple requests for the same method, classInfo is passed to allow local enum resolution (if NULL is passed, no local enums are recognized)
               static const PythonQtMethodInfo* getCachedMethodInfo(const QMetaMethod& method, PythonQtClassInfo* classInfo);
               //! get the cached method info using the passed in list of return value and arguments, return value needs to be passed as first arg
               static const PythonQtMethodInfo* getCachedMethodInfoFromArgumentList(int numArgs, const char** args);
               //! cleanup the cache
               static void cleanupCachedMethodInfos();
               //! returns the number of parameters including the return value
               int  parameterCount() const { return _parameters.size(); };
               //! returns the id for the given type (using an internal dictionary)
               static int nameToType(const char* name);
               //! get the parameter infos
               const QList<ParameterInfo>& parameters() const { return _parameters; }
               //! add an alias for a typename, e.g. QObjectList and QList<QObject*>.
               static void addParameterTypeAlias(const QByteArray& alias, const QByteArray& name);
               protected:
               static void fillParameterInfo(ParameterInfo& type, const QByteArray& name, PythonQtClassInfo* classInfo);
               static QHash<QByteArray, int> _parameterTypeDict;
               static QHash<QByteArray, QByteArray> _parameterNameAliases;
               //! stores the cached signatures of methods to speedup mapping from Qt to Python types
               static QHash<QByteArray, PythonQtMethodInfo*> _cachedSignatures;
               QList<ParameterInfo> _parameters;
             };
             //! stores information about a slot, including a next pointer to overloaded slots
             class PythonQtSlotInfo : public PythonQtMethodInfo
             {
             public:
               enum Type {
                 MemberSlot, InstanceDecorator, ClassDecorator
               };
               PythonQtSlotInfo(const PythonQtSlotInfo& info):PythonQtMethodInfo() {
                 _meta = info._meta;
                 _parameters = info._parameters;
                 _slotIndex = info._slotIndex;
                 _next = NULL;
                 _decorator = info._decorator;
                 _type = info._type;
                 _upcastingOffset = 0;
               }
               PythonQtSlotInfo(PythonQtClassInfo* classInfo, const QMetaMethod& meta, int slotIndex, QObject* decorator = NULL, Type type = MemberSlot ):PythonQtMethodInfo()
               {
                 const PythonQtMethodInfo* info = getCachedMethodInfo(meta, classInfo);
                 _meta = meta;
                 _parameters = info->parameters();
                 _slotIndex = slotIndex;
                 _next = NULL;
                 _decorator = decorator;
                 _type = type;
                 _upcastingOffset = 0;
               }
             public:
               void deleteOverloadsAndThis();
               const QMetaMethod* metaMethod() const { return &_meta; }
               void setUpcastingOffset(int upcastingOffset) { _upcastingOffset = upcastingOffset; }
               int upcastingOffset() const { return _upcastingOffset; }
               //! get the index of the slot (needed for qt_metacall)
               int slotIndex() const { return _slotIndex; }
               //! get next overloaded slot (which has the same name)
               PythonQtSlotInfo* nextInfo()  const { return _next; }
               //! set the next overloaded slot
               void setNextInfo(PythonQtSlotInfo* next) { _next = next; }
               //! returns if the slot is a decorator slot
               bool isInstanceDecorator() { return _decorator!=NULL && _type == InstanceDecorator; }
               //! returns if the slot is a constructor slot
               bool isClassDecorator() { return _decorator!=NULL && _type == ClassDecorator; }
               QObject* decorator() { return _decorator; }
               //! get the full signature including return type
               QString fullSignature();
               //! get the short slot name
               QByteArray slotName();
             private:
               int               _slotIndex;
               PythonQtSlotInfo* _next;
               QObject*          _decorator;
               Type              _type;
               QMetaMethod       _meta;
               int               _upcastingOffset;
             };
             #endif

src/PythonQtSlot.cpp 0 -2

             /*
             *
             *  Copyright (C) 2010 MeVis Medical Solutions AG 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 Medical Solutions AG, Universitaetsallee 29,
             *  28359 Bremen, Germany or:
             *
             *  http://www.mevis.de
             *
             */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtSlot.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2006-05
             */
             //----------------------------------------------------------------------------------
             #include "PythonQt.h"
             #include "PythonQtSlot.h"
             #include "PythonQtInstanceWrapper.h"
             #include "PythonQtClassInfo.h"
             #include "PythonQtMisc.h"
             #include "PythonQtConversion.h"
             #include <iostream>
             #define PYTHONQT_MAX_ARGS 32
             bool PythonQtCallSlot(PythonQtClassInfo* classInfo, QObject* objectToCall, PyObject* args, bool strict, PythonQtSlotInfo* info, void* firstArgument, PyObject** pythonReturnValue, void** directReturnValuePointer)
             {
               static unsigned int recursiveEntry = 0;
               if (directReturnValuePointer) {
                 *directReturnValuePointer = NULL;
               }
               // store the current storage position, so that we can get back to this state after a slot is called
               // (do this locally, so that we have all positions on the stack
               PythonQtValueStoragePosition globalValueStoragePos;
               PythonQtValueStoragePosition globalPtrStoragePos;
               PythonQtValueStoragePosition globalVariantStoragePos;
               PythonQtConv::global_valueStorage.getPos(globalValueStoragePos);
               PythonQtConv::global_ptrStorage.getPos(globalPtrStoragePos);
               PythonQtConv::global_variantStorage.getPos(globalVariantStoragePos);
               recursiveEntry++;
               // the arguments that are passed to qt_metacall
               void* argList[PYTHONQT_MAX_ARGS];
               PyObject* result = NULL;
               int argc = info->parameterCount();
               const QList<PythonQtSlotInfo::ParameterInfo>& params = info->parameters();
               const PythonQtSlotInfo::ParameterInfo& returnValueParam = params.at(0);
               // set return argument to NULL
               argList[0] = NULL;
               bool ok = true;
               bool skipFirst = false;
               if (info->isInstanceDecorator()) {
                 skipFirst = true;
                 // for decorators on CPP objects, we take the cpp ptr, for QObjects we take the QObject pointer
                 void* arg1 = firstArgument;
                 if (!arg1) {
                   arg1 = objectToCall;
                 }
                 if (arg1) {
                   // upcast to correct parent class
                   arg1 = ((char*)arg1)+info->upcastingOffset();
                 }
                 argList[1] = &arg1;
                 if (ok) {
                   for (int i = 2; i<argc && ok; i++) {
                     const PythonQtSlotInfo::ParameterInfo& param = params.at(i);
-                    //std::cout << param.name.data() << " " << param.typeId << (param.isPointer?"*":"") << (param.isConst?" const":"") << std::endl;
                     argList[i] = PythonQtConv::ConvertPythonToQt(param, PyTuple_GET_ITEM(args, i-2), strict, classInfo);
                     if (argList[i]==NULL) {
                       ok = false;
                       break;
                     }
                   }
                 }
               } else {
                 for (int i = 1; i<argc && ok; i++) {
                   const PythonQtSlotInfo::ParameterInfo& param = params.at(i);
-                  //std::cout << param.name.data() << " " << param.typeId << (param.isPointer?"*":"") << (param.isConst?" const":"") << std::endl;
                   argList[i] = PythonQtConv::ConvertPythonToQt(param, PyTuple_GET_ITEM(args, i-1), strict, classInfo);
                   if (argList[i]==NULL) {
                     ok = false;
                     break;
                   }
                 }
               }
               if (ok) {
                 // parameters are ok, now create the qt return value which is assigned to by metacall
                 if (returnValueParam.typeId != QMetaType::Void) {
                   // create empty default value for the return value
                   if (!directReturnValuePointer) {
                     // create empty default value for the return value
                     argList[0] = PythonQtConv::CreateQtReturnValue(returnValueParam);
                     if (argList[0]==NULL) {
                       // return value could not be created, maybe we have a registered class with a default constructor, so that we can construct the pythonqt wrapper object and
                       // pass its internal pointer
                       PythonQtClassInfo* info = PythonQt::priv()->getClassInfo(returnValueParam.name);
                       if (info && info->pythonQtClassWrapper()) {
                         PyObject* emptyTuple = PyTuple_New(0);
                         // 1) default construct an empty object as python object (owned by PythonQt), by calling the meta class with empty arguments
                         result = PyObject_Call((PyObject*)info->pythonQtClassWrapper(), emptyTuple, NULL);
                         if (result) {
                           argList[0] = ((PythonQtInstanceWrapper*)result)->_wrappedPtr;
                         }
                         Py_DECREF(emptyTuple);
                       }
                     }
                   } else {
                     // we can use our pointer directly!
                     argList[0] = directReturnValuePointer;
                   }
                 }
                 // invoke the slot via metacall
                 (info->decorator()?info->decorator():objectToCall)->qt_metacall(QMetaObject::InvokeMetaMethod, info->slotIndex(), argList);
                 // handle the return value (which in most cases still needs to be converted to a Python object)
                 if (argList[0] || returnValueParam.typeId == QMetaType::Void) {
                   if (directReturnValuePointer) {
                     result = NULL;
                   } else {
                     // the resulting object maybe present already, because we created it above at 1)...
                     if (!result) {
                       result = PythonQtConv::ConvertQtValueToPython(returnValueParam, argList[0]);
                     }
                   }
                 } else {
                   QString e = QString("Called ") + info->fullSignature() + ", return type '" + returnValueParam.name + "' is ignored because it is unknown to PythonQt. Probably you should register it using qRegisterMetaType() or add a default constructor decorator to the class.";
                   PyErr_SetString(PyExc_ValueError, e.toLatin1().data());
                   result = NULL;
                 }
               }
               recursiveEntry--;
               // reset the parameter storage position to the stored pos to "pop" the parameter stack
               PythonQtConv::global_valueStorage.setPos(globalValueStoragePos);
               PythonQtConv::global_ptrStorage.setPos(globalPtrStoragePos);
               PythonQtConv::global_variantStorage.setPos(globalVariantStoragePos);
               *pythonReturnValue = result;
               // NOTE: it is important to only return here, otherwise the stack will not be popped!!!
               return result || (directReturnValuePointer && *directReturnValuePointer);
             }
             //-----------------------------------------------------------------------------------
             static PythonQtSlotFunctionObject *pythonqtslot_free_list = NULL;
             PyObject *PythonQtSlotFunction_Call(PyObject *func, PyObject *args, PyObject *kw)
             {
               PythonQtSlotFunctionObject* f = (PythonQtSlotFunctionObject*)func;
               PythonQtSlotInfo*    info = f->m_ml;
               if (PyObject_TypeCheck(f->m_self, &PythonQtInstanceWrapper_Type)) {
                 PythonQtInstanceWrapper* self = (PythonQtInstanceWrapper*) f->m_self;
                 if (!info->isClassDecorator() && (self->_obj==NULL && self->_wrappedPtr==NULL)) {
                   QString error = QString("Trying to call '") + f->m_ml->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 (f->m_self->ob_type == &PythonQtClassWrapper_Type) {
                 PythonQtClassWrapper* type = (PythonQtClassWrapper*) f->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 '") + f->m_ml->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;
             }
             PyObject *PythonQtSlotFunction_CallImpl(PythonQtClassInfo* classInfo, QObject* objectToCall, PythonQtSlotInfo* info, PyObject *args, PyObject * /*kw*/, void* firstArg, void** directReturnValuePointer)
             {
               int argc = args?PyTuple_Size(args):0;
             #ifdef PYTHONQT_DEBUG
               std::cout << "called " << info->metaMethod()->typeName() << " " << info->metaMethod()->signature() << std::endl;
             #endif
               PyObject* r = NULL;
               bool ok = false;
               if (directReturnValuePointer) {
                 *directReturnValuePointer = NULL;
               }
               if (info->nextInfo()) {
                 // overloaded slot call, try on all slots with strict conversion first
                 bool strict = true;
                 PythonQtSlotInfo* i = info;
                 while (i) {
                   bool skipFirst = i->isInstanceDecorator();
                   if (i->parameterCount()-1-(skipFirst?1:0) == argc) {
                     PyErr_Clear();
                     ok = PythonQtCallSlot(classInfo, objectToCall, args, strict, i, firstArg, &r, directReturnValuePointer);
                     if (PyErr_Occurred() || ok) break;
                   }
                   i = i->nextInfo();
                   if (!i) {
                     if (strict) {
                       // one more run without being strict
                       strict = false;
                       i = info;
                     }
                   }
                 }
                 if (!ok && !PyErr_Occurred()) {
                   QString e = QString("Could not find matching overload for given arguments:\n" + PythonQtConv::PyObjGetString(args) + "\n The following slots are available:\n");
                   PythonQtSlotInfo* i = info;
                   while (i) {
                     e += QString(i->fullSignature()) + "\n";
                     i = i->nextInfo();
                   }
                   PyErr_SetString(PyExc_ValueError, e.toLatin1().data());
                 }
               } else {
                 // simple (non-overloaded) slot call
                 bool skipFirst = info->isInstanceDecorator();
                 if (info->parameterCount()-1-(skipFirst?1:0) == argc) {
                   PyErr_Clear();
                   ok = PythonQtCallSlot(classInfo, objectToCall, args, false, info, firstArg, &r, directReturnValuePointer);
                   if (!ok && !PyErr_Occurred()) {
                     QString e = QString("Called ") + info->fullSignature() + " with wrong arguments: " + PythonQtConv::PyObjGetString(args);
                     PyErr_SetString(PyExc_ValueError, e.toLatin1().data());
                   }
                 } else {
                   QString e = QString("Called ") + info->fullSignature() + " with wrong number of arguments: " + PythonQtConv::PyObjGetString(args);
                   PyErr_SetString(PyExc_ValueError, e.toLatin1().data());
                 }
               }
               return r;
             }
             PyObject *
             PythonQtSlotFunction_New(PythonQtSlotInfo *ml, PyObject *self, PyObject *module)
             {
               PythonQtSlotFunctionObject *op;
               op = pythonqtslot_free_list;
               if (op != NULL) {
                 pythonqtslot_free_list = (PythonQtSlotFunctionObject *)(op->m_self);
                 PyObject_INIT(op, &PythonQtSlotFunction_Type);
               }
               else {
                 op = PyObject_GC_New(PythonQtSlotFunctionObject, &PythonQtSlotFunction_Type);
                 if (op == NULL)
                   return NULL;
               }
               op->m_ml = ml;
               Py_XINCREF(self);
               op->m_self = self;
               Py_XINCREF(module);
               op->m_module = module;
               PyObject_GC_Track(op);
               return (PyObject *)op;
             }
             PythonQtSlotInfo*
             PythonQtSlotFunction_GetSlotInfo(PyObject *op)
             {
               if (!PythonQtSlotFunction_Check(op)) {
                 PyErr_BadInternalCall();
                 return NULL;
               }
               return ((PythonQtSlotFunctionObject *)op) -> m_ml;
             }
             PyObject *
             PythonQtSlotFunction_GetSelf(PyObject *op)
             {
               if (!PythonQtSlotFunction_Check(op)) {
                 PyErr_BadInternalCall();
                 return NULL;
               }
               return ((PythonQtSlotFunctionObject *)op) -> m_self;
             }
             /* Methods (the standard built-in methods, that is) */
             static void
             meth_dealloc(PythonQtSlotFunctionObject *m)
             {
               PyObject_GC_UnTrack(m);
               Py_XDECREF(m->m_self);
               Py_XDECREF(m->m_module);
               m->m_self = (PyObject *)pythonqtslot_free_list;
               pythonqtslot_free_list = m;
             }
             static PyObject *
             meth_get__doc__(PythonQtSlotFunctionObject * /*m*/, void * /*closure*/)
             {
               Py_INCREF(Py_None);
               return Py_None;
             }
             static PyObject *
             meth_get__name__(PythonQtSlotFunctionObject *m, void * /*closure*/)
             {
               return PyString_FromString(m->m_ml->metaMethod()->signature());
             }
             static int
             meth_traverse(PythonQtSlotFunctionObject *m, visitproc visit, void *arg)
             {
               int err;
               if (m->m_self != NULL) {
                 err = visit(m->m_self, arg);
                 if (err)
                   return err;
               }
               if (m->m_module != NULL) {
                 err = visit(m->m_module, arg);
                 if (err)
                   return err;
               }
               return 0;
             }
             static PyObject *
             meth_get__self__(PythonQtSlotFunctionObject *m, void * /*closure*/)
             {
               PyObject *self;
               if (PyEval_GetRestricted()) {
                 PyErr_SetString(PyExc_RuntimeError,
                   "method.__self__ not accessible in restricted mode");
                 return NULL;
               }
               self = m->m_self;
               if (self == NULL)
                 self = Py_None;
               Py_INCREF(self);
               return self;
             }
             static PyGetSetDef meth_getsets [] = {
               {"__doc__",  (getter)meth_get__doc__,  NULL, NULL},
               {"__name__", (getter)meth_get__name__, NULL, NULL},
               {"__self__", (getter)meth_get__self__, NULL, NULL},
               {NULL, NULL, NULL,NULL},
             };
             #if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 6
             #define PY_WRITE_RESTRICTED WRITE_RESTRICTED
             #endif
             #define OFF(x) offsetof(PythonQtSlotFunctionObject, x)
             static PyMemberDef meth_members[] = {
               {"__module__",    T_OBJECT,     OFF(m_module), PY_WRITE_RESTRICTED},
               {NULL}
             };
             static PyObject *
             meth_repr(PythonQtSlotFunctionObject *f)
             {
               if (f->m_self->ob_type == &PythonQtClassWrapper_Type) {
                 PythonQtClassWrapper* self = (PythonQtClassWrapper*) f->m_self;
                 return PyString_FromFormat("<unbound qt slot %s of %s type>",
                   f->m_ml->slotName().data(),
                   self->classInfo()->className());
               } else {
                 return PyString_FromFormat("<qt slot %s of %s instance at %p>",
                   f->m_ml->slotName().data(),
                   f->m_self->ob_type->tp_name,
                   f->m_self);
               }
             }
             static int
             meth_compare(PythonQtSlotFunctionObject *a, PythonQtSlotFunctionObject *b)
             {
               if (a->m_self != b->m_self)
                 return (a->m_self < b->m_self) ? -1 : 1;
               if (a->m_ml == b->m_ml)
                 return 0;
               if (strcmp(a->m_ml->metaMethod()->signature(), b->m_ml->metaMethod()->signature()) < 0)
                 return -1;
               else
                 return 1;
             }
             static long
             meth_hash(PythonQtSlotFunctionObject *a)
             {
               long x,y;
               if (a->m_self == NULL)
                 x = 0;
               else {
                 x = PyObject_Hash(a->m_self);
                 if (x == -1)
                   return -1;
               }
               y = _Py_HashPointer((void*)(a->m_ml));
               if (y == -1)
                 return -1;
               x ^= y;
               if (x == -1)
                 x = -2;
               return x;
             }
             PyTypeObject PythonQtSlotFunction_Type = {
               PyObject_HEAD_INIT(&PyType_Type)
 ,
                 "builtin_qt_slot",
                 sizeof(PythonQtSlotFunctionObject),
 ,
                 (destructor)meth_dealloc,     /* tp_dealloc */
 ,          /* tp_print */
 ,          /* tp_getattr */
 ,          /* tp_setattr */
                 (cmpfunc)meth_compare,      /* tp_compare */
                 (reprfunc)meth_repr,      /* tp_repr */
 ,          /* tp_as_number */
 ,          /* tp_as_sequence */
 ,          /* tp_as_mapping */
                 (hashfunc)meth_hash,      /* tp_hash */
                 PythonQtSlotFunction_Call,      /* tp_call */
 ,          /* tp_str */
                 PyObject_GenericGetAttr,    /* tp_getattro */
 ,          /* tp_setattro */
 ,          /* tp_as_buffer */
                 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
 ,          /* tp_doc */
                 (traverseproc)meth_traverse,    /* tp_traverse */
 ,          /* tp_clear */
 ,          /* tp_richcompare */
 ,          /* tp_weaklistoffset */
 ,          /* tp_iter */
 ,          /* tp_iternext */
 ,          /* tp_methods */
                 meth_members,       /* tp_members */
                 meth_getsets,       /* tp_getset */
 ,          /* tp_base */
 ,          /* tp_dict */
             };
             /* Clear out the free list */
             void
             PythonQtSlotFunction_Fini(void)
             {
               while (pythonqtslot_free_list) {
                 PythonQtSlotFunctionObject *v = pythonqtslot_free_list;
                 pythonqtslot_free_list = (PythonQtSlotFunctionObject *)(v->m_self);
                 PyObject_GC_Del(v);
               }
             }

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