0000764: Serialize Shape to python String

src/Mod/Part/App/TopoShape.cpp

@@ -726,6 +726,11 @@ void TopoShape::exportBrep(const char *filename) const
         throw Base::Exception("Writing of BREP failed");
 }
 
+void TopoShape::exportBrep(std::ostream& out)
+{
+    BRepTools::Write(this->_Shape, out);
+}
+
 void TopoShape::exportStl(const char *filename) const
 {
     StlAPI_Writer writer;

src/Mod/Part/App/TopoShape.h

@@ -126,6 +126,7 @@ public:
     void exportIges(const char *FileName) const;
     void exportStep(const char *FileName) const;
     void exportBrep(const char *FileName) const;
+    void exportBrep(std::ostream&);
     void exportStl (const char *FileName) const;
     void exportFaceSet(double, double, std::ostream&) const;
     void exportLineSet(std::ostream&) const;

src/Mod/Part/App/TopoShapePy.xml

@@ -43,6 +43,11 @@ Sub-elements such as vertices, edges or faces are accessible as:
         <UserDocu>Export the content of this shape to an BREP file. BREP is a CasCade native format.</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="exportBrepToString" Const="true">
+      <Documentation>
+        <UserDocu>Export the content of this shape to a string in BREP format. BREP is a CasCade native format.</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="exportStl" Const="true">
       <Documentation>
         <UserDocu>Export the content of this shape to an STL mesh file.</UserDocu>
@@ -53,6 +58,11 @@ Sub-elements such as vertices, edges or faces are accessible as:
         <UserDocu>Import the content to this shape of a string in BREP format.</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="importBrepFromString">
+      <Documentation>
+        <UserDocu>Import the content to this shape from a string in BREP format.</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="extrude" Const="true">
       <Documentation>
         <UserDocu>Extrude the shape along a direction.</UserDocu>

src/Mod/Part/App/TopoShapePyImp.cpp

@@ -311,6 +311,32 @@ PyObject*  TopoShapePy::exportBrep(PyObject *args)
     Py_Return;
 }
 
+PyObject*  TopoShapePy::exportBrepToString(PyObject *args)
+{
+    if (!PyArg_ParseTuple(args, ""))
+        return NULL;
+
+    try {
+        // write brep file
+        std::stringstream str;
+        getTopoShapePtr()->exportBrep(str);
+        return Py::new_reference_to(Py::String(str.str()));
+    }
+    catch (const Base::Exception& e) {
+        PyErr_SetString(PyExc_Exception,e.what());
+        return NULL;
+    }
+    catch (const std::exception& e) {
+        PyErr_SetString(PyExc_Exception,e.what());
+        return NULL;
+    }
+    catch (Standard_Failure) {
+        Handle_Standard_Failure e = Standard_Failure::Caught();
+        PyErr_SetString(PyExc_Exception, e->GetMessageString());
+        return 0;
+    }
+}
+
 PyObject*  TopoShapePy::importBrep(PyObject *args)
 {
     PyObject* input;
@@ -335,6 +361,34 @@ PyObject*  TopoShapePy::importBrep(PyObject *args)
     Py_Return;
 }
 
+PyObject*  TopoShapePy::importBrepFromString(PyObject *args)
+{
+    char* input;
+    if (!PyArg_ParseTuple(args, "s", &input))
+        return NULL;
+
+    try {
+        // read brep
+        std::stringstream str(input);
+        getTopoShapePtr()->importBrep(str);
+    }
+    catch (const Base::Exception& e) {
+        PyErr_SetString(PyExc_Exception,e.what());
+        return NULL;
+    }
+    catch (const std::exception& e) {
+        PyErr_SetString(PyExc_Exception,e.what());
+        return NULL;
+    }
+    catch (Standard_Failure) {
+        Handle_Standard_Failure e = Standard_Failure::Caught();
+        PyErr_SetString(PyExc_Exception, e->GetMessageString());
+        return 0;
+    }
+
+    Py_Return;
+}
+
 PyObject*  TopoShapePy::exportStl(PyObject *args)
 {
     char* filename;