Part Module New Feature: Parabola & ArcOfParabola

- Completed Parabola c++ implementation and python wrapper implementation
- Created ArOfParabola c++ and python wrapper implementation

src/Mod/Part/App/ArcPyImp.cpp

@@ -26,16 +26,21 @@
 # include <gp_Circ.hxx>
 # include <Geom_Circle.hxx>
 # include <gp_Elips.hxx>
+# include <gp_Parab.hxx>
 # include <Geom_Ellipse.hxx>
+# include <Geom_Parabola.hxx>
 # include <Geom_TrimmedCurve.hxx>
 # include <GC_MakeArcOfCircle.hxx>
 # include <GC_MakeArcOfEllipse.hxx>
+# include <GC_MakeArcOfParabola.hxx>
 #endif
 
+
 #include "ArcPy.h"
 #include "ArcPy.cpp"
 #include "CirclePy.h"
 #include "EllipsePy.h"
+#include "ParabolaPy.h"
 #include "OCCError.h"
 
 #include <Base/VectorPy.h>
@@ -133,6 +138,32 @@ int ArcPy::PyInit(PyObject* args, PyObject* /*kwd*/)
         }
     }
 
+
+    PyErr_Clear();
+    if (PyArg_ParseTuple(args, "O!dd|O!", &(Part::ParabolaPy::Type), &o, &u1, &u2, &PyBool_Type, &sense)) {
+        try {
+            Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast
+                (static_cast<ParabolaPy*>(o)->getGeomParabolaPtr()->handle());
+            GC_MakeArcOfParabola arc(parabola->Parab(), u1, u2, PyObject_IsTrue(sense) ? Standard_True : Standard_False);
+            if (!arc.IsDone()) {
+                PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(arc.Status()));
+                return -1;
+            }
+
+            getGeomTrimmedCurvePtr()->setHandle(arc.Value());
+            return 0;
+        }
+        catch (Standard_Failure) {
+            Handle_Standard_Failure e = Standard_Failure::Caught();
+            PyErr_SetString(PartExceptionOCCError, e->GetMessageString());
+            return -1;
+        }
+        catch (...) {
+            PyErr_SetString(PartExceptionOCCError, "creation of arc failed");
+            return -1;
+        }
+    }
+
     // All checks failed
     PyErr_SetString(PyExc_TypeError, "Arc constructor expects a conic curve and a parameter range");
     return -1;