Gui: extend PythonWrapper:

* add methods to wrap/unwrap QDir
* add method to load QtUiTools module

src/Gui/WidgetFactory.cpp

@@ -422,8 +422,39 @@ QIcon *PythonWrapper::toQIcon(PyObject *pyobj)
     return 0;
 }
 
+Py::Object PythonWrapper::fromQDir(const QDir& dir)
+{
+#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
+    const char* typeName = typeid(dir).name();
+    PyObject* pyobj = Shiboken::Object::newObject(reinterpret_cast<SbkObjectType*>(getPyTypeObjectForTypeName<QDir>()),
+        const_cast<QDir*>(&dir), false, false, typeName);
+    if (pyobj)
+        return Py::asObject(pyobj);
+#endif
+    throw Py::RuntimeError("Failed to wrap icon");
+}
+
+QDir* PythonWrapper::toQDir(PyObject* pyobj)
+{
+#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
+    PyTypeObject* type = getPyTypeObjectForTypeName<QDir>();
+    if (type) {
+        if (Shiboken::Object::checkType(pyobj)) {
+            SbkObject* sbkobject = reinterpret_cast<SbkObject*>(pyobj);
+            void* cppobject = Shiboken::Object::cppPointer(sbkobject, type);
+            return reinterpret_cast<QDir*>(cppobject);
+        }
+    }
+#else
+    Q_UNUSED(pyobj);
+#endif
+    return nullptr;
+}
+
 Py::Object PythonWrapper::fromQObject(QObject* object, const char* className)
 {
+    if (!object)
+        return Py::None();
 #if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
     // Access shiboken/PySide via C++
     //
@@ -563,6 +594,21 @@ bool PythonWrapper::loadWidgetsModule()
     return true;
 }
 
+bool PythonWrapper::loadUiToolsModule()
+{
+#if defined (HAVE_SHIBOKEN2) && defined(HAVE_PYSIDE2)
+    // QtUiTools
+    static PyTypeObject** SbkPySide2_QtUiToolsTypes = nullptr;
+    if (!SbkPySide2_QtUiToolsTypes) {
+        Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide2.QtUiTools"));
+        if (requiredModule.isNull())
+            return false;
+        SbkPySide2_QtUiToolsTypes = Shiboken::Module::getTypes(requiredModule);
+    }
+#endif
+    return true;
+}
+
 void PythonWrapper::createChildrenNameAttributes(PyObject* root, QObject* object)
 {
     Q_FOREACH (QObject* child, object->children()) {

src/Gui/WidgetFactory.h

@@ -35,6 +35,10 @@
 #include "PropertyPage.h"
 #include <CXX/Extensions.hxx>
 
+QT_BEGIN_NAMESPACE
+class QDir;
+QT_END_NAMESPACE
+
 namespace Gui {
   namespace Dialog{
     class PreferencePage;
@@ -47,6 +51,7 @@ public:
     bool loadCoreModule();
     bool loadGuiModule();
     bool loadWidgetsModule();
+    bool loadUiToolsModule();
 
     bool toCString(const Py::Object&, std::string&);
     QObject* toQObject(const Py::Object&);
@@ -60,6 +65,8 @@ public:
      */
     Py::Object fromQIcon(const QIcon*);
     QIcon *toQIcon(PyObject *pyobj);
+    Py::Object fromQDir(const QDir&);
+    QDir* toQDir(PyObject* pyobj);
     static void createChildrenNameAttributes(PyObject* root, QObject* object);
     static void setParent(PyObject* pyWdg, QObject* parent);
 };