220 lines
8.8 KiB
C++
220 lines
8.8 KiB
C++
/***************************************************************************
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* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
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* *
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* This file is part of the FreeCAD CAx development system. *
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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 Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 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 *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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#endif
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#include <Base/Console.h>
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#include <Base/Interpreter.h>
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#include <Base/Reader.h>
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#include <App/DocumentObjectPy.h>
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#include "FeaturePython.h"
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#include "FeaturePythonPyImp.h"
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using namespace App;
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FeaturePythonImp::FeaturePythonImp(App::DocumentObject* o) : object(o)
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{
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}
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FeaturePythonImp::~FeaturePythonImp()
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{
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}
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/*!
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Calls the execute() method of the Python feature class. If the Python feature class doesn't have an execute()
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method or if it returns False this method also return false and true otherwise.
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*/
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bool FeaturePythonImp::execute()
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{
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// Run the execute method of the proxy object.
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Base::PyGILStateLocker lock;
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try {
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Property* proxy = object->getPropertyByName("Proxy");
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if (proxy && proxy->getTypeId() == PropertyPythonObject::getClassTypeId()) {
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Py::Object feature = static_cast<PropertyPythonObject*>(proxy)->getValue();
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if (feature.hasAttr(std::string("execute"))) {
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if (feature.hasAttr("__object__")) {
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Py::Callable method(feature.getAttr(std::string("execute")));
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Py::Tuple args;
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Py::Object res = method.apply(args);
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if (res.isBoolean() && !res.isTrue())
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return false;
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return true;
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}
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else {
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Py::Callable method(feature.getAttr(std::string("execute")));
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Py::Tuple args(1);
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args.setItem(0, Py::Object(object->getPyObject(), true));
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Py::Object res = method.apply(args);
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if (res.isBoolean() && !res.isTrue())
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return false;
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return true;
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}
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}
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}
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}
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catch (Py::Exception&) {
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Base::PyException e; // extract the Python error text
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e.ReportException();
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std::stringstream str;
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str << object->Label.getValue() << ": " << e.what();
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throw Base::RuntimeError(str.str());
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}
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return false;
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}
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void FeaturePythonImp::onBeforeChange(const Property* prop)
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{
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// Run the execute method of the proxy object.
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Base::PyGILStateLocker lock;
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try {
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Property* proxy = object->getPropertyByName("Proxy");
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if (proxy && proxy->getTypeId() == PropertyPythonObject::getClassTypeId()) {
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Py::Object feature = static_cast<PropertyPythonObject*>(proxy)->getValue();
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if (feature.hasAttr(std::string("onBeforeChange"))) {
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if (feature.hasAttr("__object__")) {
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Py::Callable method(feature.getAttr(std::string("onBeforeChange")));
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Py::Tuple args(1);
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std::string prop_name = object->getPropertyName(prop);
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args.setItem(0, Py::String(prop_name));
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method.apply(args);
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}
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else {
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Py::Callable method(feature.getAttr(std::string("onBeforeChange")));
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Py::Tuple args(2);
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args.setItem(0, Py::Object(object->getPyObject(), true));
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std::string prop_name = object->getPropertyName(prop);
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args.setItem(1, Py::String(prop_name));
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method.apply(args);
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}
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}
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}
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}
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catch (Py::Exception&) {
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Base::PyException e; // extract the Python error text
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e.ReportException();
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}
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}
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void FeaturePythonImp::onChanged(const Property* prop)
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{
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// Run the execute method of the proxy object.
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Base::PyGILStateLocker lock;
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try {
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Property* proxy = object->getPropertyByName("Proxy");
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if (proxy && proxy->getTypeId() == PropertyPythonObject::getClassTypeId()) {
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Py::Object feature = static_cast<PropertyPythonObject*>(proxy)->getValue();
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if (feature.hasAttr(std::string("onChanged"))) {
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if (feature.hasAttr("__object__")) {
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Py::Callable method(feature.getAttr(std::string("onChanged")));
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Py::Tuple args(1);
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std::string prop_name = object->getPropertyName(prop);
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args.setItem(0, Py::String(prop_name));
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method.apply(args);
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}
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else {
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Py::Callable method(feature.getAttr(std::string("onChanged")));
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Py::Tuple args(2);
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args.setItem(0, Py::Object(object->getPyObject(), true));
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std::string prop_name = object->getPropertyName(prop);
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args.setItem(1, Py::String(prop_name));
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method.apply(args);
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}
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}
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}
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}
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catch (Py::Exception&) {
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Base::PyException e; // extract the Python error text
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e.ReportException();
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}
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}
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void FeaturePythonImp::onDocumentRestored()
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{
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// Run the execute method of the proxy object.
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Base::PyGILStateLocker lock;
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try {
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Property* proxy = object->getPropertyByName("Proxy");
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if (proxy && proxy->getTypeId() == PropertyPythonObject::getClassTypeId()) {
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Py::Object feature = static_cast<PropertyPythonObject*>(proxy)->getValue();
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if (feature.hasAttr(std::string("onDocumentRestored"))) {
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if (feature.hasAttr("__object__")) {
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Py::Callable method(feature.getAttr(std::string("onDocumentRestored")));
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Py::Tuple args;
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method.apply(args);
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}
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else {
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Py::Callable method(feature.getAttr(std::string("onDocumentRestored")));
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Py::Tuple args(1);
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args.setItem(0, Py::Object(object->getPyObject(), true));
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method.apply(args);
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}
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}
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}
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}
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catch (Py::Exception&) {
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Base::PyException e; // extract the Python error text
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e.ReportException();
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}
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}
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PyObject *FeaturePythonImp::getPyObject(void)
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{
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// ref counter is set to 1
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return new FeaturePythonPyT<DocumentObjectPy>(object);
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}
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// ---------------------------------------------------------
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namespace App {
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PROPERTY_SOURCE_TEMPLATE(App::FeaturePython, App::DocumentObject)
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template<> const char* App::FeaturePython::getViewProviderName(void) const {
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return "Gui::ViewProviderPythonFeature";
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}
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template<> PyObject* App::FeaturePython::getPyObject(void) {
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if (PythonObject.is(Py::_None())) {
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// ref counter is set to 1
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PythonObject = Py::Object(new FeaturePythonPyT<DocumentObjectPy>(this),true);
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}
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return Py::new_reference_to(PythonObject);
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}
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// explicit template instantiation
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template class AppExport FeaturePythonT<DocumentObject>;
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}
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// ---------------------------------------------------------
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namespace App {
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PROPERTY_SOURCE_TEMPLATE(App::GeometryPython, App::GeoFeature)
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template<> const char* App::GeometryPython::getViewProviderName(void) const {
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return "Gui::ViewProviderPythonGeometry";
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}
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// explicit template instantiation
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template class AppExport FeaturePythonT<GeoFeature>;}
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