From 86081f7d0a24a875f384dad2d0cad0d9edc12233 Mon Sep 17 00:00:00 2001
From: jfa <jfa@opencascade.com>
Date: Tue, 15 Aug 2006 09:50:00 +0000
Subject: [PATCH] PAL12755: EDF: SALOME frozen with Load Script and a Python
 Module. Additional fix.

---
 src/GEOMGUI/GeometryGUI_Swig.i | 62 ++++++++++++++++++++++++----------
 1 file changed, 44 insertions(+), 18 deletions(-)

diff --git a/src/GEOMGUI/GeometryGUI_Swig.i b/src/GEOMGUI/GeometryGUI_Swig.i
index 9bda1a914..2001fed2e 100644
--- a/src/GEOMGUI/GeometryGUI_Swig.i
+++ b/src/GEOMGUI/GeometryGUI_Swig.i
@@ -1,23 +1,23 @@
 //  GEOM GEOMGUI : GUI for Geometry component
 //
 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
-// 
-//  This library is free software; you can redistribute it and/or 
-//  modify it under the terms of the GNU Lesser General Public 
-//  License as published by the Free Software Foundation; either 
-//  version 2.1 of the License. 
-// 
-//  This library is distributed in the hope that it will be useful, 
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
-//  Lesser General Public License for more details. 
-// 
-//  You should have received a copy of the GNU Lesser General Public 
-//  License along with this library; if not, write to the Free Software 
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
-// 
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 //
 //
@@ -30,6 +30,32 @@
 #include "GeometryGUI_Swig.hxx"
 %}
 
+/*
+  managing C++ exception in the Python API
+*/
+%exception
+{
+  class PyAllowThreadsGuard {
+   public:
+    // Py_BEGIN_ALLOW_THREADS
+    PyAllowThreadsGuard() { _save = PyEval_SaveThread(); }
+    // Py_END_ALLOW_THREADS
+    ~PyAllowThreadsGuard() { PyEval_RestoreThread(_save); }
+   private:
+    PyThreadState *_save;
+  };
+
+  PyAllowThreadsGuard guard;
+
+  try {
+    $action
+  }
+  catch(...) {
+    PyErr_SetString(PyExc_RuntimeError,"Unknown exception caught");
+    return NULL;
+  }
+}
+
 class GEOM_Swig
 {
  public:
@@ -47,6 +73,6 @@ class GEOM_Swig
   void setTransparency(const char* Entry, float transp, bool isUpdated =true);
   void setDeflection(const char* Entry, float deflect);
   const char* getShapeTypeIcon(const char *Ior);
-  
+
   bool initGeomGen();
 };