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/*
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*
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* Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
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* 28359 Bremen, Germany or:
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*
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* http://www.mevis.de
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*
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*/
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//----------------------------------------------------------------------------------
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/*!
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// \file PythonQtInstanceWrapper.cpp
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// \author Florian Link
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// \author Last changed by $Author: florian $
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// \date 2006-05
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*/
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//----------------------------------------------------------------------------------
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#include "PythonQtInstanceWrapper.h"
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#include <QObject>
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#include "PythonQt.h"
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#include "PythonQtSlot.h"
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#include "PythonQtSignal.h"
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#include "PythonQtClassInfo.h"
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#include "PythonQtConversion.h"
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#include "PythonQtClassWrapper.h"
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PythonQtClassInfo* PythonQtInstanceWrapperStruct::classInfo()
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{
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// take the class info from our type object
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return ((PythonQtClassWrapper*)Py_TYPE(this))->_classInfo;
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}
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static void PythonQtInstanceWrapper_deleteObject(PythonQtInstanceWrapper* self, bool force = false) {
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// is this a C++ wrapper?
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if (self->_wrappedPtr) {
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//mlabDebugConst("Python","c++ wrapper removed " << self->_wrappedPtr << " " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1());
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PythonQt::priv()->removeWrapperPointer(self->_wrappedPtr);
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// we own our qobject, so we delete it now:
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delete self->_obj;
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self->_obj = NULL;
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if (force || self->_ownedByPythonQt) {
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int type = self->classInfo()->metaTypeId();
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if (self->_useQMetaTypeDestroy && type>=0) {
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// use QMetaType to destroy the object
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QMetaType::destroy(type, self->_wrappedPtr);
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} else {
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PythonQtSlotInfo* slot = self->classInfo()->destructor();
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if (slot) {
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void* args[2];
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args[0] = NULL;
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args[1] = &self->_wrappedPtr;
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slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args);
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self->_wrappedPtr = NULL;
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} else {
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if (type>=0) {
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// use QMetaType to destroy the object
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QMetaType::destroy(type, self->_wrappedPtr);
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} else {
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// TODO: warn about not being able to destroy the object?
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}
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}
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}
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}
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} else {
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//mlabDebugConst("Python","qobject wrapper removed " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1());
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if (self->_objPointerCopy) {
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PythonQt::priv()->removeWrapperPointer(self->_objPointerCopy);
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}
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if (self->_obj) {
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if (force || self->_ownedByPythonQt) {
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if (force || !self->_obj->parent()) {
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delete self->_obj;
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}
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} else {
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if (self->_obj->parent()==NULL) {
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// tell someone who is interested that the qobject is no longer wrapped, if it has no parent
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PythonQt::qObjectNoLongerWrappedCB(self->_obj);
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}
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}
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}
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}
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self->_obj = NULL;
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}
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static void PythonQtInstanceWrapper_dealloc(PythonQtInstanceWrapper* self)
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{
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PythonQtInstanceWrapper_deleteObject(self);
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self->_obj.~QPointer<QObject>();
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Py_TYPE(self)->tp_free((PyObject*)self);
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}
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static PyObject* PythonQtInstanceWrapper_new(PyTypeObject *type, PyObject * /*args*/, PyObject * /*kwds*/)
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{
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//PythonQtClassWrapper *classType = (PythonQtClassWrapper*)type;
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PythonQtInstanceWrapper *self;
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static PyObject* emptyTuple = NULL;
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if (emptyTuple==NULL) {
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emptyTuple = PyTuple_New(0);
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}
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self = (PythonQtInstanceWrapper*)PyBaseObject_Type.tp_new(type, emptyTuple, NULL);
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if (self != NULL) {
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new (&self->_obj) QPointer<QObject>();
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self->_wrappedPtr = NULL;
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self->_ownedByPythonQt = false;
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self->_useQMetaTypeDestroy = false;
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self->_isShellInstance = false;
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}
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return (PyObject *)self;
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}
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int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds)
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{
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if (args == PythonQtPrivate::dummyTuple()) {
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// we are called from the internal PythonQt API, so our data will be filled later on...
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return 0;
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}
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// we are called from python, try to construct our object
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if (self->classInfo()->constructors()) {
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void* directCPPPointer = NULL;
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PythonQtSlotFunction_CallImpl(self->classInfo(), NULL, self->classInfo()->constructors(), args, kwds, NULL, &directCPPPointer);
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if (PyErr_Occurred()) {
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return -1;
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}
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if (directCPPPointer) {
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// change ownershipflag to be owned by PythonQt
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self->_ownedByPythonQt = true;
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self->_useQMetaTypeDestroy = false;
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if (self->classInfo()->isCPPWrapper()) {
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self->_wrappedPtr = directCPPPointer;
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// TODO xxx: if there is a wrapper factory, we might want to generate a wrapper for our class?!
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} else {
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self->setQObject((QObject*)directCPPPointer);
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}
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// register with PythonQt
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PythonQt::priv()->addWrapperPointer(directCPPPointer, self);
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PythonQtShellSetInstanceWrapperCB* cb = self->classInfo()->shellSetInstanceWrapperCB();
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if (cb) {
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// if we are a derived python class, we set the wrapper
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// to activate the shell class, otherwise we just ignore that it is a shell...
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// we detect it be checking if the type does not have PythonQtInstanceWrapper_Type as direct base class,
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// which is the case for all non-python derived types
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if (((PyObject*)self)->ob_type->tp_base != &PythonQtInstanceWrapper_Type) {
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// set the wrapper and remember that we have a shell instance!
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(*cb)(directCPPPointer, self);
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self->_isShellInstance = true;
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}
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}
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}
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} else {
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QString error = QString("No constructors available for ") + self->classInfo()->className();
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PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
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return -1;
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}
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return 0;
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}
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static PyObject *PythonQtInstanceWrapper_richcompare(PythonQtInstanceWrapper* wrapper, PyObject* other, int code)
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|
{
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bool validPtrs = false;
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bool areSamePtrs = false;
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if (PyObject_TypeCheck((PyObject*)wrapper, &PythonQtInstanceWrapper_Type)) {
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if (PyObject_TypeCheck(other, &PythonQtInstanceWrapper_Type)) {
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validPtrs = true;
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PythonQtInstanceWrapper* w1 = wrapper;
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PythonQtInstanceWrapper* w2 = (PythonQtInstanceWrapper*)other;
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// check pointers directly
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if (w1->_wrappedPtr != NULL) {
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if (w1->_wrappedPtr == w2->_wrappedPtr) {
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areSamePtrs = true;
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}
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} else if (w1->_obj == w2->_obj) {
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areSamePtrs = true;
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}
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} else if (other == Py_None) {
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validPtrs = true;
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if (wrapper->_obj || wrapper->_wrappedPtr) {
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areSamePtrs = false;
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} else {
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areSamePtrs = true;
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}
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}
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}
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if ((wrapper->classInfo()->typeSlots() & PythonQt::Type_RichCompare) == 0) {
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// shortcut if richcompare is not supported:
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if (validPtrs && code == Py_EQ) {
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return PythonQtConv::GetPyBool(areSamePtrs);
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} else if (validPtrs && code == Py_NE) {
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return PythonQtConv::GetPyBool(!areSamePtrs);
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|
}
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|
Py_INCREF(Py_NotImplemented);
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|
return Py_NotImplemented;
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|
}
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|
QByteArray memberName;
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switch (code) {
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case Py_LT:
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{
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static QByteArray name = "__lt__";
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memberName = name;
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}
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break;
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case Py_LE:
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{
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static QByteArray name = "__le__";
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memberName = name;
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}
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break;
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case Py_EQ:
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{
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|
static QByteArray name = "__eq__";
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memberName = name;
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}
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break;
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case Py_NE:
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{
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|
static QByteArray name = "__ne__";
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|
memberName = name;
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|
|
}
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break;
|
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|
case Py_GT:
|
|
|
{
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|
|
static QByteArray name = "__gt__";
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|
memberName = name;
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|
|
}
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|
break;
|
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|
case Py_GE:
|
|
|
{
|
|
|
static QByteArray name = "__ge__";
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|
memberName = name;
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|
|
}
|
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|
break;
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|
|
}
|
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|
|
PythonQtMemberInfo opSlot = wrapper->classInfo()->member(memberName);
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|
|
if (opSlot._type == PythonQtMemberInfo::Slot) {
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|
|
// TODO get rid of tuple
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|
|
PyObject* args = PyTuple_New(1);
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|
Py_INCREF(other);
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|
|
PyTuple_SET_ITEM(args, 0, other);
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|
PyObject* result = PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, opSlot._slot, args, NULL, wrapper->_wrappedPtr);
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|
|
Py_DECREF(args);
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|
|
return result;
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|
|
} else {
|
|
|
// not implemented, let python try something else!
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|
|
Py_INCREF(Py_NotImplemented);
|
|
|
return Py_NotImplemented;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
static PyObject *PythonQtInstanceWrapper_classname(PythonQtInstanceWrapper* obj)
|
|
|
{
|
|
|
#ifdef PY3K
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|
|
return PyUnicode_FromString(Py_TYPE(obj)->tp_name);
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|
|
#else
|
|
|
return PyString_FromString(Py_TYPE(obj)->tp_name);
|
|
|
#endif
|
|
|
}
|
|
|
|
|
|
PyObject *PythonQtInstanceWrapper_inherits(PythonQtInstanceWrapper* obj, PyObject *args)
|
|
|
{
|
|
|
char *name = NULL;
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|
|
if (!PyArg_ParseTuple(args, "s:PythonQtInstanceWrapper.inherits",&name)) {
|
|
|
return NULL;
|
|
|
}
|
|
|
return PythonQtConv::GetPyBool(obj->classInfo()->inherits(name));
|
|
|
}
|
|
|
|
|
|
static PyObject *PythonQtInstanceWrapper_help(PythonQtInstanceWrapper* obj)
|
|
|
{
|
|
|
return PythonQt::self()->helpCalled(obj->classInfo());
|
|
|
}
|
|
|
|
|
|
PyObject *PythonQtInstanceWrapper_delete(PythonQtInstanceWrapper * self)
|
|
|
{
|
|
|
PythonQtInstanceWrapper_deleteObject(self, true);
|
|
|
Py_INCREF(Py_None);
|
|
|
return Py_None;
|
|
|
}
|
|
|
|
|
|
|
|
|
static PyMethodDef PythonQtInstanceWrapper_methods[] = {
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|
|
{"className", (PyCFunction)PythonQtInstanceWrapper_classname, METH_NOARGS,
|
|
|
"Return the classname of the object"
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|
|
},
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|
|
{"inherits", (PyCFunction)PythonQtInstanceWrapper_inherits, METH_VARARGS,
|
|
|
"Returns if the class inherits or is of given type name"
|
|
|
},
|
|
|
{"help", (PyCFunction)PythonQtInstanceWrapper_help, METH_NOARGS,
|
|
|
"Shows the help of available methods for this class"
|
|
|
},
|
|
|
{"delete", (PyCFunction)PythonQtInstanceWrapper_delete, METH_NOARGS,
|
|
|
"Deletes the C++ object (at your own risk, my friend!)"
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|
|
},
|
|
|
{NULL, NULL, 0, NULL} /* Sentinel */
|
|
|
};
|
|
|
|
|
|
|
|
|
static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name)
|
|
|
{
|
|
|
const char *attributeName;
|
|
|
PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;
|
|
|
|
|
|
#ifdef PY3K
|
|
|
if ((attributeName = PyUnicode_AsUTF8(name)) == NULL) {
|
|
|
#else
|
|
|
if ((attributeName = PyString_AsString(name)) == NULL) {
|
|
|
#endif
|
|
|
return NULL;
|
|
|
}
|
|
|
|
|
|
if (qstrcmp(attributeName, "__dict__")==0) {
|
|
|
PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name);
|
|
|
dict = PyDict_Copy(dict);
|
|
|
|
|
|
if (wrapper->_obj) {
|
|
|
// only the properties are missing, the rest is already available from
|
|
|
// PythonQtClassWrapper...
|
|
|
QStringList l = wrapper->classInfo()->propertyList();
|
|
|
Q_FOREACH (QString name, l) {
|
|
|
PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
|
|
|
if (o) {
|
|
|
PyDict_SetItemString(dict, name.toLatin1().data(), o);
|
|
|
Py_DECREF(o);
|
|
|
} else {
|
|
|
std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QList<QByteArray> dynamicProps = wrapper->_obj->dynamicPropertyNames();
|
|
|
Q_FOREACH (QByteArray name, dynamicProps) {
|
|
|
PyObject* o = PyObject_GetAttrString(obj, name.data());
|
|
|
if (o) {
|
|
|
PyDict_SetItemString(dict, name.data(), o);
|
|
|
Py_DECREF(o);
|
|
|
} else {
|
|
|
std::cerr << "PythonQtInstanceWrapper: dynamic property could not be read " << name.data();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
// Note: we do not put children into the dict, is would look confusing?!
|
|
|
return dict;
|
|
|
}
|
|
|
|
|
|
// first look in super, to return derived methods from base object first
|
|
|
PyObject* superAttr = PyBaseObject_Type.tp_getattro(obj, name);
|
|
|
if (superAttr) {
|
|
|
return superAttr;
|
|
|
}
|
|
|
PyErr_Clear();
|
|
|
|
|
|
// mlabDebugConst("Python","get " << attributeName);
|
|
|
|
|
|
PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName);
|
|
|
switch (member._type) {
|
|
|
case PythonQtMemberInfo::Property:
|
|
|
if (wrapper->_obj) {
|
|
|
if (member._property.userType() != QVariant::Invalid) {
|
|
|
|
|
|
PythonQt::ProfilingCB* profilingCB = PythonQt::priv()->profilingCB();
|
|
|
if (profilingCB) {
|
|
|
QString methodName = "getProperty(";
|
|
|
methodName += attributeName;
|
|
|
methodName += ")";
|
|
|
profilingCB(PythonQt::Enter, wrapper->_obj->metaObject()->className(), methodName.toLatin1());
|
|
|
}
|
|
|
|
|
|
PyObject* value = PythonQtConv::QVariantToPyObject(member._property.read(wrapper->_obj));
|
|
|
|
|
|
if (profilingCB) {
|
|
|
profilingCB(PythonQt::Leave, NULL, NULL);
|
|
|
}
|
|
|
|
|
|
return value;
|
|
|
|
|
|
} else {
|
|
|
Py_INCREF(Py_None);
|
|
|
return Py_None;
|
|
|
}
|
|
|
} else {
|
|
|
QString error = QString("Trying to read property '") + attributeName + "' from a destroyed " + wrapper->classInfo()->className() + " object";
|
|
|
PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
|
|
|
return NULL;
|
|
|
}
|
|
|
break;
|
|
|
case PythonQtMemberInfo::Slot:
|
|
|
return PythonQtSlotFunction_New(member._slot, obj, NULL);
|
|
|
break;
|
|
|
case PythonQtMemberInfo::Signal:
|
|
|
return PythonQtSignalFunction_New(member._slot, obj, NULL);
|
|
|
break;
|
|
|
case PythonQtMemberInfo::EnumValue:
|
|
|
{
|
|
|
PyObject* enumValue = member._enumValue;
|
|
|
Py_INCREF(enumValue);
|
|
|
return enumValue;
|
|
|
}
|
|
|
break;
|
|
|
case PythonQtMemberInfo::EnumWrapper:
|
|
|
{
|
|
|
PyObject* enumWrapper = member._enumWrapper;
|
|
|
Py_INCREF(enumWrapper);
|
|
|
return enumWrapper;
|
|
|
}
|
|
|
break;
|
|
|
case PythonQtMemberInfo::NotFound:
|
|
|
{
|
|
|
static const QByteArray getterString("py_get_");
|
|
|
// check for a getter slot
|
|
|
PythonQtMemberInfo member = wrapper->classInfo()->member(getterString + attributeName);
|
|
|
if (member._type == PythonQtMemberInfo::Slot) {
|
|
|
return PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, member._slot, NULL, NULL, wrapper->_wrappedPtr);
|
|
|
}
|
|
|
|
|
|
// handle dynamic properties
|
|
|
if (wrapper->_obj) {
|
|
|
QVariant v = wrapper->_obj->property(attributeName);
|
|
|
if (v.isValid()) {
|
|
|
return PythonQtConv::QVariantToPyObject(v);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
default:
|
|
|
// is an invalid type, go on
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
// look for the internal methods (className(), help())
|
|
|
#ifdef PY3K
|
|
|
PyObject* internalMethod = PyObject_GenericGetAttr(obj, name);
|
|
|
#else
|
|
|
PyObject* internalMethod = Py_FindMethod( PythonQtInstanceWrapper_methods, obj, (char*)attributeName);
|
|
|
#endif
|
|
|
if (internalMethod) {
|
|
|
return internalMethod;
|
|
|
}
|
|
|
PyErr_Clear();
|
|
|
|
|
|
if (wrapper->_obj) {
|
|
|
// look for a child
|
|
|
QObjectList children = wrapper->_obj->children();
|
|
|
for (int i = 0; i < children.count(); i++) {
|
|
|
QObject *child = children.at(i);
|
|
|
if (child->objectName() == attributeName) {
|
|
|
return PythonQt::priv()->wrapQObject(child);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'";
|
|
|
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
|
|
|
return NULL;
|
|
|
}
|
|
|
|
|
|
static int PythonQtInstanceWrapper_setattro(PyObject *obj,PyObject *name,PyObject *value)
|
|
|
{
|
|
|
QString error;
|
|
|
const char *attributeName;
|
|
|
PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj;
|
|
|
|
|
|
#ifdef PY3K
|
|
|
if ((attributeName = PyUnicode_AsUTF8(name)) == NULL)
|
|
|
#else
|
|
|
if ((attributeName = PyString_AsString(name)) == NULL)
|
|
|
#endif
|
|
|
return -1;
|
|
|
|
|
|
PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName);
|
|
|
if (member._type == PythonQtMemberInfo::Property) {
|
|
|
|
|
|
if (!wrapper->_obj) {
|
|
|
error = QString("Trying to set property '") + attributeName + "' on a destroyed " + wrapper->classInfo()->className() + " object";
|
|
|
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
|
|
|
return -1;
|
|
|
}
|
|
|
|
|
|
QMetaProperty prop = member._property;
|
|
|
if (prop.isWritable()) {
|
|
|
QVariant v;
|
|
|
if (prop.isEnumType()) {
|
|
|
// this will give us either a string or an int, everything else will probably be an error
|
|
|
v = PythonQtConv::PyObjToQVariant(value);
|
|
|
} else {
|
|
|
int t = prop.userType();
|
|
|
v = PythonQtConv::PyObjToQVariant(value, t);
|
|
|
}
|
|
|
bool success = false;
|
|
|
if (v.isValid()) {
|
|
|
PythonQt::ProfilingCB* profilingCB = PythonQt::priv()->profilingCB();
|
|
|
if (profilingCB) {
|
|
|
QString methodName = "setProperty(";
|
|
|
methodName += attributeName;
|
|
|
methodName += ")";
|
|
|
profilingCB(PythonQt::Enter, wrapper->_obj->metaObject()->className(), methodName.toLatin1());
|
|
|
}
|
|
|
|
|
|
success = prop.write(wrapper->_obj, v);
|
|
|
|
|
|
if (profilingCB) {
|
|
|
profilingCB(PythonQt::Leave, NULL, NULL);
|
|
|
}
|
|
|
}
|
|
|
if (success) {
|
|
|
return 0;
|
|
|
} else {
|
|
|
error = QString("Property '") + attributeName + "' of type '" +
|
|
|
prop.typeName() + "' does not accept an object of type "
|
|
|
+ QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")";
|
|
|
}
|
|
|
} else {
|
|
|
error = QString("Property '") + attributeName + "' of " + obj->ob_type->tp_name + " object is not writable";
|
|
|
}
|
|
|
} else if (member._type == PythonQtMemberInfo::Slot) {
|
|
|
error = QString("Slot '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object";
|
|
|
} else if (member._type == PythonQtMemberInfo::Signal) {
|
|
|
error = QString("Signal '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object";
|
|
|
} else if (member._type == PythonQtMemberInfo::EnumValue) {
|
|
|
error = QString("EnumValue '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object";
|
|
|
} else if (member._type == PythonQtMemberInfo::EnumWrapper) {
|
|
|
error = QString("Enum '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object";
|
|
|
} else if (member._type == PythonQtMemberInfo::NotFound) {
|
|
|
// check for a setter slot
|
|
|
static const QByteArray setterString("py_set_");
|
|
|
PythonQtMemberInfo setter = wrapper->classInfo()->member(setterString + attributeName);
|
|
|
if (setter._type == PythonQtMemberInfo::Slot) {
|
|
|
// call the setter and ignore the result value
|
|
|
void* result;
|
|
|
PyObject* args = PyTuple_New(1);
|
|
|
Py_INCREF(value);
|
|
|
PyTuple_SET_ITEM(args, 0, value);
|
|
|
PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, setter._slot, args, NULL, wrapper->_wrappedPtr, &result);
|
|
|
Py_DECREF(args);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
// handle dynamic properties
|
|
|
if (wrapper->_obj) {
|
|
|
QVariant prop = wrapper->_obj->property(attributeName);
|
|
|
if (prop.isValid()) {
|
|
|
QVariant v = PythonQtConv::PyObjToQVariant(value);
|
|
|
if (v.isValid()) {
|
|
|
wrapper->_obj->setProperty(attributeName, v);
|
|
|
return 0;
|
|
|
} else {
|
|
|
error = QString("Dynamic property '") + attributeName + "' does not accept an object of type "
|
|
|
+ QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")";
|
|
|
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
|
|
|
return -1;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// if we are a derived python class, we allow setting attributes.
|
|
|
// if we are a direct CPP wrapper, we do NOT allow it, since
|
|
|
// it would be confusing to allow it because a wrapper will go away when it is not seen by python anymore
|
|
|
// and when it is recreated from a CPP pointer the attributes are gone...
|
|
|
if (obj->ob_type->tp_base != &PythonQtInstanceWrapper_Type) {
|
|
|
return PyBaseObject_Type.tp_setattro(obj,name,value);
|
|
|
} else {
|
|
|
error = QString("'") + attributeName + "' does not exist on " + obj->ob_type->tp_name + " and creating new attributes on C++ objects is not allowed";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
|
|
|
return -1;
|
|
|
}
|
|
|
|
|
|
static QString getStringFromObject(PythonQtInstanceWrapper* wrapper) {
|
|
|
QString result;
|
|
|
if (wrapper->_wrappedPtr) {
|
|
|
// first try some manually string conversions for some variants
|
|
|
int metaid = wrapper->classInfo()->metaTypeId();
|
|
|
result = PythonQtConv::CPPObjectToString(metaid, wrapper->_wrappedPtr);
|
|
|
if (!result.isEmpty()) {
|
|
|
return result;
|
|
|
}
|
|
|
}
|
|
|
if (wrapper->_wrappedPtr || wrapper->_obj) {
|
|
|
// next, try to call py_toString
|
|
|
PythonQtMemberInfo info = wrapper->classInfo()->member("py_toString");
|
|
|
if (info._type == PythonQtMemberInfo::Slot) {
|
|
|
PyObject* resultObj = PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, info._slot, NULL, NULL, wrapper->_wrappedPtr);
|
|
|
if (resultObj) {
|
|
|
// TODO this is one conversion too much, would be nicer to call the slot directly...
|
|
|
result = PythonQtConv::PyObjGetString(resultObj);
|
|
|
Py_DECREF(resultObj);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
static PyObject * PythonQtInstanceWrapper_str(PyObject * obj)
|
|
|
{
|
|
|
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
|
|
|
|
|
|
// QByteArray should be directly returned as a str
|
|
|
if (wrapper->classInfo()->metaTypeId()==QVariant::ByteArray) {
|
|
|
QByteArray* b = (QByteArray*) wrapper->_wrappedPtr;
|
|
|
if (b->data()) {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromStringAndSize(b->data(), b->size());
|
|
|
#else
|
|
|
return PyString_FromStringAndSize(b->data(), b->size());
|
|
|
#endif
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_New(0, 0);
|
|
|
#else
|
|
|
return PyString_FromString("");
|
|
|
#endif
|
|
|
}
|
|
|
}
|
|
|
|
|
|
const char* typeName = obj->ob_type->tp_name;
|
|
|
QObject *qobj = wrapper->_obj;
|
|
|
QString str = getStringFromObject(wrapper);
|
|
|
if (!str.isEmpty()) {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("%s", str.toLatin1().constData());
|
|
|
#else
|
|
|
return PyString_FromFormat("%s", str.toLatin1().constData());
|
|
|
#endif
|
|
|
}
|
|
|
if (wrapper->_wrappedPtr) {
|
|
|
if (wrapper->_obj) {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s C++ Object at %p wrapped by %s at %p>", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p)", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
|
|
|
#endif
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s C++ Object at %p>", typeName, wrapper->_wrappedPtr);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr);
|
|
|
#endif
|
|
|
}
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s QObject at %p>", typeName, qobj);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (QObject %p)", typeName, qobj);
|
|
|
#endif
|
|
|
}
|
|
|
}
|
|
|
|
|
|
static PyObject * PythonQtInstanceWrapper_repr(PyObject * obj)
|
|
|
{
|
|
|
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
|
|
|
const char* typeName = obj->ob_type->tp_name;
|
|
|
|
|
|
QObject *qobj = wrapper->_obj;
|
|
|
QString str = getStringFromObject(wrapper);
|
|
|
if (!str.isEmpty()) {
|
|
|
if (str.startsWith(typeName)) {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("%s", str.toLatin1().constData());
|
|
|
#else
|
|
|
return PyString_FromFormat("%s", str.toLatin1().constData());
|
|
|
#endif
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s %s at %p>", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr ? wrapper->_wrappedPtr : qobj);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (%s, at: %p)", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr ? wrapper->_wrappedPtr : qobj);
|
|
|
#endif
|
|
|
}
|
|
|
}
|
|
|
if (wrapper->_wrappedPtr) {
|
|
|
if (wrapper->_obj) {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s C++ object at %p wrapped by %s at %p>", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (C++ object at: %p wrapped by %s at: %p)", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj);
|
|
|
#endif
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s C++ object at %p>", typeName, wrapper->_wrappedPtr);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (C++ object at: %p)", typeName, wrapper->_wrappedPtr);
|
|
|
#endif
|
|
|
}
|
|
|
} else {
|
|
|
#ifdef PY3K
|
|
|
return PyUnicode_FromFormat("<%s %s at %p>", typeName, wrapper->classInfo()->className(), qobj);
|
|
|
#else
|
|
|
return PyString_FromFormat("%s (%s at: %p)", typeName, wrapper->classInfo()->className(), qobj);
|
|
|
#endif
|
|
|
}
|
|
|
}
|
|
|
|
|
|
static int PythonQtInstanceWrapper_builtin_nonzero(PyObject *obj)
|
|
|
{
|
|
|
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj;
|
|
|
return (wrapper->_wrappedPtr == NULL && wrapper->_obj == NULL)?0:1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static long PythonQtInstanceWrapper_hash(PythonQtInstanceWrapper *obj)
|
|
|
{
|
|
|
if (obj->_wrappedPtr != NULL) {
|
|
|
return reinterpret_cast<long>(obj->_wrappedPtr);
|
|
|
} else {
|
|
|
QObject* qobj = obj->_obj; // get pointer from QPointer wrapper
|
|
|
return reinterpret_cast<long>(qobj);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// we override nb_nonzero, so that one can do 'if' expressions to test for a NULL ptr
|
|
|
static PyNumberMethods PythonQtInstanceWrapper_as_number = {
|
|
|
0, /* nb_add */
|
|
|
0, /* nb_subtract */
|
|
|
0, /* nb_multiply */
|
|
|
#ifndef PY3K
|
|
|
0, /* nb_divide */
|
|
|
#endif
|
|
|
0, /* nb_remainder */
|
|
|
0, /* nb_divmod */
|
|
|
0, /* nb_power */
|
|
|
0, /* nb_negative */
|
|
|
0, /* nb_positive */
|
|
|
0, /* nb_absolute */
|
|
|
PythonQtInstanceWrapper_builtin_nonzero, /* nb_nonzero / nb_bool in Py3K */
|
|
|
0, /* nb_invert */
|
|
|
0, /* nb_lshift */
|
|
|
0, /* nb_rshift */
|
|
|
0, /* nb_and */
|
|
|
0, /* nb_xor */
|
|
|
0, /* nb_or */
|
|
|
#ifndef PY3K
|
|
|
0, /* nb_coerce */
|
|
|
#endif
|
|
|
0, /* nb_int */
|
|
|
0, /* nb_long / nb_reserved in Py3K */
|
|
|
0, /* nb_float */
|
|
|
#ifndef PY3K
|
|
|
0, /* nb_oct */
|
|
|
0, /* nb_hex */
|
|
|
#endif
|
|
|
0, /* nb_inplace_add */
|
|
|
0, /* nb_inplace_subtract */
|
|
|
0, /* nb_inplace_multiply */
|
|
|
#ifndef PY3K
|
|
|
0, /* nb_inplace_divide */
|
|
|
#endif
|
|
|
0, /* nb_inplace_remainder */
|
|
|
0, /* nb_inplace_power */
|
|
|
0, /* nb_inplace_lshift */
|
|
|
0, /* nb_inplace_rshift */
|
|
|
0, /* nb_inplace_and */
|
|
|
0, /* nb_inplace_xor */
|
|
|
0, /* nb_inplace_or */
|
|
|
0, /* nb_floor_divide */
|
|
|
0, /* nb_true_divide */
|
|
|
0, /* nb_inplace_floor_divide */
|
|
|
0, /* nb_inplace_true_divide */
|
|
|
#ifdef PY3K
|
|
|
0, /* nb_index in Py3K */
|
|
|
#endif
|
|
|
};
|
|
|
|
|
|
PyTypeObject PythonQtInstanceWrapper_Type = {
|
|
|
PyVarObject_HEAD_INIT(&PythonQtClassWrapper_Type, 0)
|
|
|
"PythonQt.PythonQtInstanceWrapper", /*tp_name*/
|
|
|
sizeof(PythonQtInstanceWrapper), /*tp_basicsize*/
|
|
|
0, /*tp_itemsize*/
|
|
|
(destructor)PythonQtInstanceWrapper_dealloc, /*tp_dealloc*/
|
|
|
0, /*tp_print*/
|
|
|
0, /*tp_getattr*/
|
|
|
0, /*tp_setattr*/
|
|
|
0, /*tp_compare*/
|
|
|
PythonQtInstanceWrapper_repr, /*tp_repr*/
|
|
|
&PythonQtInstanceWrapper_as_number, /*tp_as_number*/
|
|
|
0, /*tp_as_sequence*/
|
|
|
0, /*tp_as_mapping*/
|
|
|
(hashfunc)PythonQtInstanceWrapper_hash, /*tp_hash */
|
|
|
0, /*tp_call*/
|
|
|
PythonQtInstanceWrapper_str, /*tp_str*/
|
|
|
PythonQtInstanceWrapper_getattro, /*tp_getattro*/
|
|
|
PythonQtInstanceWrapper_setattro, /*tp_setattro*/
|
|
|
0, /*tp_as_buffer*/
|
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE /*| Py_TPFLAGS_CHECKTYPES FIXME Py_TPFLAGS_CHECKTYPES removal */, /*tp_flags*/
|
|
|
"PythonQtInstanceWrapper object", /* tp_doc */
|
|
|
0, /* tp_traverse */
|
|
|
0, /* tp_clear */
|
|
|
(richcmpfunc)PythonQtInstanceWrapper_richcompare, /* tp_richcompare */
|
|
|
0, /* tp_weaklistoffset */
|
|
|
0, /* tp_iter */
|
|
|
0, /* tp_iternext */
|
|
|
PythonQtInstanceWrapper_methods, /* tp_methods */
|
|
|
0, /* tp_members */
|
|
|
0, /* tp_getset */
|
|
|
0, /* tp_base */
|
|
|
0, /* tp_dict */
|
|
|
0, /* tp_descr_get */
|
|
|
0, /* tp_descr_set */
|
|
|
0, /* tp_dictoffset */
|
|
|
(initproc)PythonQtInstanceWrapper_init, /* tp_init */
|
|
|
0, /* tp_alloc */
|
|
|
PythonQtInstanceWrapper_new, /* tp_new */
|
|
|
};
|
|
|
|
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|
//-------------------------------------------------------
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|
|
|
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|
