+ support of merging projects on App level

src/App/DocumentPyImp.cpp

@@ -31,6 +31,7 @@
 #include <Base/FileInfo.h>
 #include "DocumentObject.h"
 #include "DocumentObjectPy.h"
+#include "MergeDocuments.h"
 
 // inclusion of the generated files (generated By DocumentPy.xml)
 #include "DocumentPy.h"
@@ -135,6 +136,22 @@ PyObject*  DocumentPy::restore(PyObject * args)
     Py_Return;
 }
 
+PyObject*  DocumentPy::mergeProject(PyObject * args)
+{
+    char* filename;
+    if (!PyArg_ParseTuple(args, "s", &filename))     // convert args: Python->C 
+        return NULL;                             // NULL triggers exception 
+
+    PY_TRY {
+        Base::FileInfo fi(filename);
+        Base::ifstream str(fi, std::ios::in | std::ios::binary);
+        App::Document* doc = getDocumentPtr();
+        MergeDocuments md(doc);
+        md.importObjects(str);
+        Py_Return;
+    } PY_CATCH;
+}
+
 PyObject*  DocumentPy::exportGraphviz(PyObject * args)
 {
     char* fn=0;