PythonQtInstanceWrapper.cpp
726 lines
| 25.3 KiB
| text/x-c
|
CppLexer
/ src / PythonQtInstanceWrapper.cpp
ezust
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r0 | /* | ||
| * | ||||
florianlink
|
r133 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | ||
|
ezust
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r0 | * | ||
| * 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 | ||||
| * | ||||
|
florianlink
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r133 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | ||
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r0 | * 28359 Bremen, Germany or: | ||
| * | ||||
| * http://www.mevis.de | ||||
| * | ||||
| */ | ||||
| //---------------------------------------------------------------------------------- | ||||
| /*! | ||||
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florianlink
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r16 | // \file PythonQtInstanceWrapper.cpp | ||
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ezust
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r0 | // \author Florian Link | ||
| // \author Last changed by $Author: florian $ | ||||
| // \date 2006-05 | ||||
| */ | ||||
| //---------------------------------------------------------------------------------- | ||||
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florianlink
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r16 | #include "PythonQtInstanceWrapper.h" | ||
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r0 | #include <QObject> | ||
| #include "PythonQt.h" | ||||
| #include "PythonQtSlot.h" | ||||
| #include "PythonQtClassInfo.h" | ||||
| #include "PythonQtConversion.h" | ||||
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florianlink
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r18 | #include "PythonQtClassWrapper.h" | ||
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florianlink
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r21 | PythonQtClassInfo* PythonQtInstanceWrapperStruct::classInfo() | ||
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r18 | { | ||
| // take the class info from our type object | ||||
| return ((PythonQtClassWrapper*)ob_type)->_classInfo; | ||||
| } | ||||
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r0 | |||
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r16 | static void PythonQtInstanceWrapper_deleteObject(PythonQtInstanceWrapper* self, bool force = false) { | ||
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r119 | |||
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florianlink
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r15 | // is this a C++ wrapper? | ||
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r0 | if (self->_wrappedPtr) { | ||
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r18 | //mlabDebugConst("Python","c++ wrapper removed " << self->_wrappedPtr << " " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); | ||
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r119 | |||
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r0 | PythonQt::priv()->removeWrapperPointer(self->_wrappedPtr); | ||
| // we own our qobject, so we delete it now: | ||||
| delete self->_obj; | ||||
| self->_obj = NULL; | ||||
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r18 | if (force || self->classInfo()->hasOwnerMethodButNoOwner(self->_wrappedPtr) || self->_ownedByPythonQt) { | ||
| int type = self->classInfo()->metaTypeId(); | ||||
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r10 | if (self->_useQMetaTypeDestroy && type>=0) { | ||
| // use QMetaType to destroy the object | ||||
| QMetaType::destroy(type, self->_wrappedPtr); | ||||
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r0 | } else { | ||
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r24 | PythonQtSlotInfo* slot = self->classInfo()->destructor(); | ||
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r10 | if (slot) { | ||
| void* args[2]; | ||||
| args[0] = NULL; | ||||
| args[1] = &self->_wrappedPtr; | ||||
| slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args); | ||||
| self->_wrappedPtr = NULL; | ||||
| } else { | ||||
| if (type>=0) { | ||||
| // use QMetaType to destroy the object | ||||
| QMetaType::destroy(type, self->_wrappedPtr); | ||||
| } else { | ||||
| // TODO: warn about not being able to destroy the object? | ||||
| } | ||||
| } | ||||
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ezust
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r0 | } | ||
| } | ||||
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florianlink
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r4 | } else { | ||
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r18 | //mlabDebugConst("Python","qobject wrapper removed " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); | ||
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r4 | if (self->_objPointerCopy) { | ||
| PythonQt::priv()->removeWrapperPointer(self->_objPointerCopy); | ||||
| } | ||||
| if (self->_obj) { | ||||
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r15 | if (force || self->_ownedByPythonQt) { | ||
| if (force || !self->_obj->parent()) { | ||||
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r4 | delete self->_obj; | ||
| } | ||||
| } else { | ||||
| if (self->_obj->parent()==NULL) { | ||||
| // tell someone who is interested that the qobject is no longer wrapped, if it has no parent | ||||
| PythonQt::qObjectNoLongerWrappedCB(self->_obj); | ||||
| } | ||||
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ezust
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r0 | } | ||
| } | ||||
| } | ||||
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r4 | self->_obj = NULL; | ||
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r10 | } | ||
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r16 | static void PythonQtInstanceWrapper_dealloc(PythonQtInstanceWrapper* self) | ||
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r10 | { | ||
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r16 | PythonQtInstanceWrapper_deleteObject(self); | ||
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r4 | self->_obj.~QPointer<QObject>(); | ||
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r0 | self->ob_type->tp_free((PyObject*)self); | ||
| } | ||||
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r55 | static PyObject* PythonQtInstanceWrapper_new(PyTypeObject *type, PyObject * /*args*/, PyObject * /*kwds*/) | ||
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ezust
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r0 | { | ||
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r24 | //PythonQtClassWrapper *classType = (PythonQtClassWrapper*)type; | ||
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r16 | PythonQtInstanceWrapper *self; | ||
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r18 | static PyObject* emptyTuple = NULL; | ||
| if (emptyTuple==NULL) { | ||||
| emptyTuple = PyTuple_New(0); | ||||
| } | ||||
| self = (PythonQtInstanceWrapper*)PyBaseObject_Type.tp_new(type, emptyTuple, NULL); | ||||
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r4 | |||
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r0 | if (self != NULL) { | ||
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r4 | new (&self->_obj) QPointer<QObject>(); | ||
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r0 | self->_wrappedPtr = NULL; | ||
| self->_ownedByPythonQt = false; | ||||
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r10 | self->_useQMetaTypeDestroy = false; | ||
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r24 | self->_isShellInstance = false; | ||
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r0 | } | ||
| return (PyObject *)self; | ||||
| } | ||||
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florianlink
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r22 | int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds) | ||
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ezust
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r0 | { | ||
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r18 | if (args == PythonQtPrivate::dummyTuple()) { | ||
| // we are called from the internal PythonQt API, so our data will be filled later on... | ||||
| return 0; | ||||
| } | ||||
| // we are called from python, try to construct our object | ||||
| if (self->classInfo()->constructors()) { | ||||
| void* directCPPPointer = NULL; | ||||
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r41 | PythonQtSlotFunction_CallImpl(self->classInfo(), NULL, self->classInfo()->constructors(), args, kwds, NULL, &directCPPPointer); | ||
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r18 | if (PyErr_Occurred()) { | ||
| return -1; | ||||
| } | ||||
| if (directCPPPointer) { | ||||
| // change ownershipflag to be owned by PythonQt | ||||
| self->_ownedByPythonQt = true; | ||||
| self->_useQMetaTypeDestroy = false; | ||||
| if (self->classInfo()->isCPPWrapper()) { | ||||
| self->_wrappedPtr = directCPPPointer; | ||||
| // TODO xxx: if there is a wrapper factory, we might want to generate a wrapper for our class?! | ||||
| } else { | ||||
| self->setQObject((QObject*)directCPPPointer); | ||||
| } | ||||
| // register with PythonQt | ||||
| PythonQt::priv()->addWrapperPointer(directCPPPointer, self); | ||||
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r24 | |||
| PythonQtShellSetInstanceWrapperCB* cb = self->classInfo()->shellSetInstanceWrapperCB(); | ||||
| if (cb) { | ||||
| // if we are a derived python class, we set the wrapper | ||||
| // to activate the shell class, otherwise we just ignore that it is a shell... | ||||
| // we detect it be checking if the type does not have PythonQtInstanceWrapper_Type as direct base class, | ||||
| // which is the case for all non-python derived types | ||||
| if (((PyObject*)self)->ob_type->tp_base != &PythonQtInstanceWrapper_Type) { | ||||
| // set the wrapper and remember that we have a shell instance! | ||||
| (*cb)(directCPPPointer, self); | ||||
| self->_isShellInstance = true; | ||||
| } | ||||
| } | ||||
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florianlink
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r18 | } | ||
| } else { | ||||
| QString error = QString("No constructors available for ") + self->classInfo()->className(); | ||||
| PyErr_SetString(PyExc_ValueError, error.toLatin1().data()); | ||||
| return -1; | ||||
| } | ||||
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r0 | return 0; | ||
| } | ||||
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r119 | static PyObject *PythonQtInstanceWrapper_richcompare(PythonQtInstanceWrapper* wrapper, PyObject* other, int code) | ||
| { | ||||
| bool validPtrs = false; | ||||
| bool areSamePtrs = false; | ||||
| if (PyObject_TypeCheck((PyObject*)wrapper, &PythonQtInstanceWrapper_Type)) { | ||||
| if (PyObject_TypeCheck(other, &PythonQtInstanceWrapper_Type)) { | ||||
| validPtrs = true; | ||||
| PythonQtInstanceWrapper* w1 = wrapper; | ||||
| PythonQtInstanceWrapper* w2 = (PythonQtInstanceWrapper*)other; | ||||
| // check pointers directly | ||||
| if (w1->_wrappedPtr != NULL) { | ||||
| if (w1->_wrappedPtr == w2->_wrappedPtr) { | ||||
| areSamePtrs = true; | ||||
| } | ||||
| } else if (w1->_obj == w2->_obj) { | ||||
| areSamePtrs = true; | ||||
| } | ||||
| } else if (other == Py_None) { | ||||
| validPtrs = true; | ||||
| if (wrapper->_obj || wrapper->_wrappedPtr) { | ||||
| areSamePtrs = false; | ||||
| } else { | ||||
| areSamePtrs = true; | ||||
| } | ||||
| } | ||||
| } | ||||
| if ((wrapper->classInfo()->typeSlots() & PythonQt::Type_RichCompare) == 0) { | ||||
| // shortcut if richcompare is not supported: | ||||
| if (validPtrs && code == Py_EQ) { | ||||
| return PythonQtConv::GetPyBool(areSamePtrs); | ||||
| } else if (validPtrs && code == Py_NE) { | ||||
| return PythonQtConv::GetPyBool(!areSamePtrs); | ||||
| } | ||||
| Py_INCREF(Py_NotImplemented); | ||||
| return Py_NotImplemented; | ||||
| } | ||||
| QByteArray memberName; | ||||
| switch (code) { | ||||
| case Py_LT: | ||||
| { | ||||
| static QByteArray name = "__lt__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| case Py_LE: | ||||
| { | ||||
| static QByteArray name = "__le__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| case Py_EQ: | ||||
| { | ||||
| static QByteArray name = "__eq__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| case Py_NE: | ||||
| { | ||||
| static QByteArray name = "__ne__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| case Py_GT: | ||||
| { | ||||
| static QByteArray name = "__gt__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| case Py_GE: | ||||
| { | ||||
| static QByteArray name = "__ge__"; | ||||
| memberName = name; | ||||
| } | ||||
| break; | ||||
| } | ||||
| PythonQtMemberInfo opSlot = wrapper->classInfo()->member(memberName); | ||||
| if (opSlot._type == PythonQtMemberInfo::Slot) { | ||||
| // TODO get rid of tuple | ||||
| PyObject* args = PyTuple_New(1); | ||||
| Py_INCREF(other); | ||||
| PyTuple_SET_ITEM(args, 0, other); | ||||
| PyObject* result = PythonQtSlotFunction_CallImpl(wrapper->classInfo(), wrapper->_obj, opSlot._slot, args, NULL, wrapper->_wrappedPtr); | ||||
| Py_DECREF(args); | ||||
| return result; | ||||
| } else { | ||||
| // not implemented, let python try something else! | ||||
| Py_INCREF(Py_NotImplemented); | ||||
| return Py_NotImplemented; | ||||
| } | ||||
| } | ||||
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florianlink
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r30 | static PyObject *PythonQtInstanceWrapper_classname(PythonQtInstanceWrapper* obj) | ||
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ezust
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r0 | { | ||
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florianlink
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r30 | return PyString_FromString(obj->ob_type->tp_name); | ||
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ezust
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r0 | } | ||
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r30 | static PyObject *PythonQtInstanceWrapper_help(PythonQtInstanceWrapper* obj) | ||
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ezust
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r0 | { | ||
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r30 | return PythonQt::self()->helpCalled(obj->classInfo()); | ||
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ezust
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r0 | } | ||
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r16 | static PyObject *PythonQtInstanceWrapper_delete(PythonQtInstanceWrapper * self) | ||
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florianlink
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r10 | { | ||
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r16 | PythonQtInstanceWrapper_deleteObject(self, true); | ||
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r10 | Py_INCREF(Py_None); | ||
| return Py_None; | ||||
| } | ||||
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r0 | |||
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r16 | static PyMethodDef PythonQtInstanceWrapper_methods[] = { | ||
| {"className", (PyCFunction)PythonQtInstanceWrapper_classname, METH_NOARGS, | ||||
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r0 | "Return the classname of the object" | ||
| }, | ||||
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r16 | {"help", (PyCFunction)PythonQtInstanceWrapper_help, METH_NOARGS, | ||
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r0 | "Shows the help of available methods for this class" | ||
| }, | ||||
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florianlink
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r16 | {"delete", (PyCFunction)PythonQtInstanceWrapper_delete, METH_NOARGS, | ||
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florianlink
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r10 | "Deletes the C++ object (at your own risk, my friend!)" | ||
| }, | ||||
| {NULL, NULL, 0, NULL} /* Sentinel */ | ||||
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r0 | }; | ||
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r16 | static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name) | ||
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ezust
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r0 | { | ||
| const char *attributeName; | ||||
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r16 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; | ||
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r4 | |||
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r0 | if ((attributeName = PyString_AsString(name)) == NULL) { | ||
| return NULL; | ||||
| } | ||||
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r4 | |||
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r24 | if (qstrcmp(attributeName, "__dict__")==0) { | ||
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r34 | PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name); | ||
| dict = PyDict_Copy(dict); | ||||
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r78 | if (wrapper->_obj) { | ||
| // only the properties are missing, the rest is already available from | ||||
| // PythonQtClassWrapper... | ||||
| QStringList l = wrapper->classInfo()->propertyList(); | ||||
| foreach (QString name, l) { | ||||
| PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data()); | ||||
| if (o) { | ||||
| PyDict_SetItemString(dict, name.toLatin1().data(), o); | ||||
| Py_DECREF(o); | ||||
| } else { | ||||
| std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data(); | ||||
| } | ||||
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r34 | } | ||
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r85 | |||
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r119 | QList<QByteArray> dynamicProps = wrapper->_obj->dynamicPropertyNames(); | ||
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r85 | 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(); | ||||
| } | ||||
| } | ||||
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florianlink
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r24 | } | ||
| // 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; | ||||
| } | ||||
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r27 | PyErr_Clear(); | ||
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r24 | |||
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r0 | // mlabDebugConst("Python","get " << attributeName); | ||
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r4 | |||
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r18 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); | ||
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r0 | switch (member._type) { | ||
| case PythonQtMemberInfo::Property: | ||||
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r16 | if (wrapper->_obj) { | ||
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r27 | if (member._property.userType() != QVariant::Invalid) { | ||
| return PythonQtConv::QVariantToPyObject(member._property.read(wrapper->_obj)); | ||||
| } else { | ||||
| Py_INCREF(Py_None); | ||||
| return Py_None; | ||||
| } | ||||
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florianlink
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r78 | } 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; | ||||
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r0 | } | ||
| break; | ||||
| case PythonQtMemberInfo::Slot: | ||||
| return PythonQtSlotFunction_New(member._slot, obj, NULL); | ||||
| break; | ||||
| case PythonQtMemberInfo::EnumValue: | ||||
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r72 | { | ||
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r78 | PyObject* enumValue = member._enumValue; | ||
| Py_INCREF(enumValue); | ||||
| return enumValue; | ||||
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florianlink
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r72 | } | ||
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r51 | break; | ||
| case PythonQtMemberInfo::EnumWrapper: | ||||
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florianlink
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r72 | { | ||
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r78 | PyObject* enumWrapper = member._enumWrapper; | ||
| Py_INCREF(enumWrapper); | ||||
| return enumWrapper; | ||||
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r72 | } | ||
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r0 | break; | ||
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r85 | case PythonQtMemberInfo::NotFound: | ||
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r113 | { | ||
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r116 | static const QByteArray getterString("py_get_"); | ||
| // check for a getter slot | ||||
| PythonQtMemberInfo member = wrapper->classInfo()->member(getterString + attributeName); | ||||
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r113 | 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); | ||||
| } | ||||
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r85 | } | ||
| } | ||||
| break; | ||||
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r78 | default: | ||
| // is an invalid type, go on | ||||
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r8 | break; | ||
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ezust
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r0 | } | ||
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r4 | |||
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r78 | // look for the internal methods (className(), help()) | ||
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r16 | PyObject* internalMethod = Py_FindMethod( PythonQtInstanceWrapper_methods, obj, (char*)attributeName); | ||
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ezust
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r0 | if (internalMethod) { | ||
| return internalMethod; | ||||
| } | ||||
| PyErr_Clear(); | ||||
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r22 | 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) { | ||||
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r81 | return PythonQt::priv()->wrapQObject(child); | ||
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r22 | } | ||
| } | ||||
| } | ||||
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r4 | |||
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r18 | QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'"; | ||
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r0 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||
| return NULL; | ||||
| } | ||||
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florianlink
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r16 | static int PythonQtInstanceWrapper_setattro(PyObject *obj,PyObject *name,PyObject *value) | ||
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ezust
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r0 | { | ||
| QString error; | ||||
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r113 | const char *attributeName; | ||
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r16 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; | ||
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r4 | |||
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r0 | if ((attributeName = PyString_AsString(name)) == NULL) | ||
| return -1; | ||||
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r4 | |||
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r18 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); | ||
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ezust
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r0 | if (member._type == PythonQtMemberInfo::Property) { | ||
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r48 | |||
| 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; | ||||
| } | ||||
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r119 | |||
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ezust
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r0 | 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()) { | ||||
|
florianlink
|
r16 | success = prop.write(wrapper->_obj, v); | ||
|
ezust
|
r0 | } | ||
| 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 { | ||||
|
florianlink
|
r30 | error = QString("Property '") + attributeName + "' of " + obj->ob_type->tp_name + " object is not writable"; | ||
|
ezust
|
r0 | } | ||
|
florianlink
|
r30 | } 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::EnumValue) { | ||||
| error = QString("EnumValue '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; | ||||
|
florianlink
|
r51 | } else if (member._type == PythonQtMemberInfo::EnumWrapper) { | ||
| error = QString("Enum '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; | ||||
|
florianlink
|
r30 | } else if (member._type == PythonQtMemberInfo::NotFound) { | ||
|
florianlink
|
r116 | // check for a setter slot | ||
|
florianlink
|
r119 | static const QByteArray setterString("py_set_"); | ||
|
florianlink
|
r116 | PythonQtMemberInfo setter = wrapper->classInfo()->member(setterString + attributeName); | ||
|
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|
r113 | 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; | ||||
| } | ||||
|
florianlink
|
r85 | // 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; | ||||
| } | ||||
| } | ||||
| } | ||||
|
florianlink
|
r119 | |||
|
florianlink
|
r30 | // 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"; | ||||
|
ezust
|
r0 | } | ||
| } | ||||
|
florianlink
|
r4 | |||
|
ezust
|
r0 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||
| return -1; | ||||
| } | ||||
|
florianlink
|
r116 | 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; | ||||
| } | ||||
| } | ||||
| // 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; | ||||
| } | ||||
|
florianlink
|
r16 | static PyObject * PythonQtInstanceWrapper_str(PyObject * obj) | ||
|
florianlink
|
r10 | { | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
|
florianlink
|
r125 | |||
| // QByteArray should be directly returned as a str | ||||
| if (wrapper->classInfo()->metaTypeId()==QVariant::ByteArray) { | ||||
| QByteArray* b = (QByteArray*) wrapper->_wrappedPtr; | ||||
| if (b->data()) { | ||||
| return PyString_FromStringAndSize(b->data(), b->size()); | ||||
| } else { | ||||
| return PyString_FromString(""); | ||||
| } | ||||
| } | ||||
|
florianlink
|
r22 | const char* typeName = obj->ob_type->tp_name; | ||
|
florianlink
|
r16 | QObject *qobj = wrapper->_obj; | ||
|
florianlink
|
r116 | QString str = getStringFromObject(wrapper); | ||
| if (!str.isEmpty()) { | ||||
| return PyString_FromFormat("%s", str.toLatin1().constData()); | ||||
| } | ||||
|
florianlink
|
r16 | if (wrapper->_wrappedPtr) { | ||
| if (wrapper->_obj) { | ||||
|
florianlink
|
r22 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); | ||
|
florianlink
|
r10 | } else { | ||
|
florianlink
|
r22 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); | ||
|
florianlink
|
r10 | } | ||
| } else { | ||||
|
florianlink
|
r22 | return PyString_FromFormat("%s (QObject %p)", typeName, qobj); | ||
|
florianlink
|
r10 | } | ||
| } | ||||
|
florianlink
|
r16 | static PyObject * PythonQtInstanceWrapper_repr(PyObject * obj) | ||
|
ezust
|
r0 | { | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
|
florianlink
|
r22 | const char* typeName = obj->ob_type->tp_name; | ||
|
florianlink
|
r119 | |||
|
florianlink
|
r16 | QObject *qobj = wrapper->_obj; | ||
|
florianlink
|
r116 | QString str = getStringFromObject(wrapper); | ||
| if (!str.isEmpty()) { | ||||
| if (str.startsWith(typeName)) { | ||||
| return PyString_FromFormat("%s", str.toLatin1().constData()); | ||||
| } else { | ||||
|
florianlink
|
r22 | return PyString_FromFormat("%s(%s, %p)", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr); | ||
|
florianlink
|
r116 | } | ||
| } | ||||
| if (wrapper->_wrappedPtr) { | ||||
|
florianlink
|
r16 | if (wrapper->_obj) { | ||
|
florianlink
|
r22 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); | ||
|
ezust
|
r0 | } else { | ||
|
florianlink
|
r22 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); | ||
|
ezust
|
r0 | } | ||
| } else { | ||||
|
florianlink
|
r55 | return PyString_FromFormat("%s (%s %p)", typeName, wrapper->classInfo()->className(), qobj); | ||
|
ezust
|
r0 | } | ||
| } | ||||
|
florianlink
|
r119 | static int PythonQtInstanceWrapper_builtin_nonzero(PyObject *obj) | ||
|
ezust
|
r0 | { | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
| return (wrapper->_wrappedPtr == NULL && wrapper->_obj == NULL)?0:1; | ||||
|
ezust
|
r0 | } | ||
|
florianlink
|
r4 | |||
|
florianlink
|
r16 | static long PythonQtInstanceWrapper_hash(PythonQtInstanceWrapper *obj) | ||
|
florianlink
|
r4 | { | ||
| 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); | ||||
| } | ||||
| } | ||||
|
ezust
|
r0 | // we override nb_nonzero, so that one can do 'if' expressions to test for a NULL ptr | ||
|
florianlink
|
r16 | static PyNumberMethods PythonQtInstanceWrapper_as_number = { | ||
|
ezust
|
r0 | 0, /* nb_add */ | ||
| 0, /* nb_subtract */ | ||||
| 0, /* nb_multiply */ | ||||
| 0, /* nb_divide */ | ||||
| 0, /* nb_remainder */ | ||||
| 0, /* nb_divmod */ | ||||
| 0, /* nb_power */ | ||||
| 0, /* nb_negative */ | ||||
| 0, /* nb_positive */ | ||||
| 0, /* nb_absolute */ | ||||
|
florianlink
|
r119 | PythonQtInstanceWrapper_builtin_nonzero, /* nb_nonzero */ | ||
|
ezust
|
r0 | 0, /* nb_invert */ | ||
| 0, /* nb_lshift */ | ||||
| 0, /* nb_rshift */ | ||||
| 0, /* nb_and */ | ||||
| 0, /* nb_xor */ | ||||
| 0, /* nb_or */ | ||||
| 0, /* nb_coerce */ | ||||
| 0, /* nb_int */ | ||||
| 0, /* nb_long */ | ||||
| 0, /* nb_float */ | ||||
| 0, /* nb_oct */ | ||||
| 0, /* nb_hex */ | ||||
| 0, /* nb_inplace_add */ | ||||
| 0, /* nb_inplace_subtract */ | ||||
| 0, /* nb_inplace_multiply */ | ||||
| 0, /* nb_inplace_divide */ | ||||
| 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 */ | ||||
| }; | ||||
|
florianlink
|
r16 | PyTypeObject PythonQtInstanceWrapper_Type = { | ||
|
florianlink
|
r18 | PyObject_HEAD_INIT(&PythonQtClassWrapper_Type) | ||
|
ezust
|
r0 | 0, /*ob_size*/ | ||
|
florianlink
|
r16 | "PythonQt.PythonQtInstanceWrapper", /*tp_name*/ | ||
| sizeof(PythonQtInstanceWrapper), /*tp_basicsize*/ | ||||
|
ezust
|
r0 | 0, /*tp_itemsize*/ | ||
|
florianlink
|
r16 | (destructor)PythonQtInstanceWrapper_dealloc, /*tp_dealloc*/ | ||
|
ezust
|
r0 | 0, /*tp_print*/ | ||
| 0, /*tp_getattr*/ | ||||
| 0, /*tp_setattr*/ | ||||
|
florianlink
|
r119 | 0, /*tp_compare*/ | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper_repr, /*tp_repr*/ | ||
| &PythonQtInstanceWrapper_as_number, /*tp_as_number*/ | ||||
|
ezust
|
r0 | 0, /*tp_as_sequence*/ | ||
| 0, /*tp_as_mapping*/ | ||||
|
florianlink
|
r16 | (hashfunc)PythonQtInstanceWrapper_hash, /*tp_hash */ | ||
|
ezust
|
r0 | 0, /*tp_call*/ | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper_str, /*tp_str*/ | ||
| PythonQtInstanceWrapper_getattro, /*tp_getattro*/ | ||||
| PythonQtInstanceWrapper_setattro, /*tp_setattro*/ | ||||
|
ezust
|
r0 | 0, /*tp_as_buffer*/ | ||
|
florianlink
|
r119 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_CHECKTYPES, /*tp_flags*/ | ||
|
florianlink
|
r16 | "PythonQtInstanceWrapper object", /* tp_doc */ | ||
|
ezust
|
r0 | 0, /* tp_traverse */ | ||
| 0, /* tp_clear */ | ||||
|
florianlink
|
r119 | (richcmpfunc)PythonQtInstanceWrapper_richcompare, /* tp_richcompare */ | ||
|
ezust
|
r0 | 0, /* tp_weaklistoffset */ | ||
| 0, /* tp_iter */ | ||||
| 0, /* tp_iternext */ | ||||
| 0, /* 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 */ | ||||
|
florianlink
|
r16 | (initproc)PythonQtInstanceWrapper_init, /* tp_init */ | ||
|
ezust
|
r0 | 0, /* tp_alloc */ | ||
|
florianlink
|
r16 | PythonQtInstanceWrapper_new, /* tp_new */ | ||
|
ezust
|
r0 | }; | ||
| //------------------------------------------------------- | ||||