From: ageay <ageay>
Date: Wed, 22 May 2013 06:18:45 +0000 (+0000)
Subject: When NULL is returned as pointer of non instanciable class no more raise in python... 
X-Git-Tag: V6_main_FINAL~79
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=5b6bb10848ab47751ba7c3451a2af1079d6d03b2;p=tools%2Fmedcoupling.git

When NULL is returned as pointer of non instanciable class no more raise in python but Py_None returned.
---

diff --git a/src/MEDCoupling_Swig/MEDCouplingBasicsTest.py b/src/MEDCoupling_Swig/MEDCouplingBasicsTest.py
index e4db8f607..54597d51b 100644
--- a/src/MEDCoupling_Swig/MEDCouplingBasicsTest.py
+++ b/src/MEDCoupling_Swig/MEDCouplingBasicsTest.py
@@ -583,6 +583,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertTrue(not fieldOnNodes1.isEqual(fieldOnCells1,1e-12,1e-15));
         #
         fieldOnCells2=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME);
+        self.assertEqual(fieldOnCells2.getMesh(),None) # to check that convertMesh wrapping do not raise but return Py_None
         self.assertTrue(not fieldOnCells1.isEqual(fieldOnCells2,1e-12,1e-15));
         self.assertTrue(not fieldOnCells2.isEqual(fieldOnCells1,1e-12,1e-15));
         fieldOnCells1=MEDCouplingFieldDouble.New(ON_CELLS,ONE_TIME);
diff --git a/src/MEDCoupling_Swig/MEDCouplingTypemaps.i b/src/MEDCoupling_Swig/MEDCouplingTypemaps.i
index f505246a4..9d3a75684 100644
--- a/src/MEDCoupling_Swig/MEDCouplingTypemaps.i
+++ b/src/MEDCoupling_Swig/MEDCouplingTypemaps.i
@@ -409,6 +409,11 @@ PyObject *ToNumPyArray(MCData *self, int npyObjectType, const char *MCDataStr)
 static PyObject *convertMesh(ParaMEDMEM::MEDCouplingMesh *mesh, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!mesh)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::MEDCouplingUMesh *>(mesh))
     ret=SWIG_NewPointerObj((void*)mesh,SWIGTYPE_p_ParaMEDMEM__MEDCouplingUMesh,owner);
   if(dynamic_cast<ParaMEDMEM::MEDCouplingExtrudedMesh *>(mesh))
@@ -425,6 +430,11 @@ static PyObject *convertMesh(ParaMEDMEM::MEDCouplingMesh *mesh, int owner) throw
 static PyObject *convertFieldDiscretization(ParaMEDMEM::MEDCouplingFieldDiscretization *fd, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!fd)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::MEDCouplingFieldDiscretizationP0 *>(fd))
     ret=SWIG_NewPointerObj(reinterpret_cast<void*>(fd),SWIGTYPE_p_ParaMEDMEM__MEDCouplingFieldDiscretizationP0,owner);
   if(dynamic_cast<ParaMEDMEM::MEDCouplingFieldDiscretizationP1 *>(fd))
@@ -443,6 +453,11 @@ static PyObject *convertFieldDiscretization(ParaMEDMEM::MEDCouplingFieldDiscreti
 static PyObject *convertDataArrayChar(ParaMEDMEM::DataArrayChar *dac, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!dac)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::DataArrayByte *>(dac))
     ret=SWIG_NewPointerObj((void*)dac,SWIGTYPE_p_ParaMEDMEM__DataArrayByte,owner);
   if(dynamic_cast<ParaMEDMEM::DataArrayAsciiChar *>(dac))
@@ -455,6 +470,11 @@ static PyObject *convertDataArrayChar(ParaMEDMEM::DataArrayChar *dac, int owner)
 static PyObject *convertDataArray(ParaMEDMEM::DataArray *dac, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!dac)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::DataArrayDouble *>(dac))
     ret=SWIG_NewPointerObj((void*)dac,SWIGTYPE_p_ParaMEDMEM__DataArrayDouble,owner);
   if(dynamic_cast<ParaMEDMEM::DataArrayInt *>(dac))
@@ -471,6 +491,11 @@ static PyObject *convertDataArray(ParaMEDMEM::DataArray *dac, int owner) throw(I
 static PyObject* convertMultiFields(ParaMEDMEM::MEDCouplingMultiFields *mfs, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!mfs)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::MEDCouplingFieldOverTime *>(mfs))
     ret=SWIG_NewPointerObj((void*)mfs,SWIGTYPE_p_ParaMEDMEM__MEDCouplingFieldOverTime,owner);
   else
diff --git a/src/MEDLoader/MEDFileField.cxx b/src/MEDLoader/MEDFileField.cxx
index 07e3cedb4..bf3253cdd 100644
--- a/src/MEDLoader/MEDFileField.cxx
+++ b/src/MEDLoader/MEDFileField.cxx
@@ -39,6 +39,9 @@ extern med_geometry_type typmai3[32];
 
 using namespace ParaMEDMEM;
 
+const char MEDFileField1TSWithoutSDA::TYPE_STR[]="FLOAT64";
+const char MEDFileIntField1TSWithoutSDA::TYPE_STR[]="INT32";
+
 MEDFileFieldLoc *MEDFileFieldLoc::New(med_idt fid, const char *locName)
 {
   return new MEDFileFieldLoc(fid,locName);
@@ -3350,6 +3353,67 @@ void MEDFileFieldGlobsReal::appendLoc(const char *locName, INTERP_KERNEL::Normal
 
 //= MEDFileAnyTypeField1TSWithoutSDA
 
+/*!
+ * Prints a string describing \a this field into a stream. This string is outputted 
+ * by \c print Python command.
+ *  \param [in] bkOffset - number of white spaces printed at the beginning of each line.
+ *  \param [in,out] oss - the out stream.
+ *  \param [in] f1tsId - the field index within a MED file. If \a f1tsId < 0, the tiny
+ *          info id printed, else, not.
+ */
+void MEDFileAnyTypeField1TSWithoutSDA::simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const
+{
+  std::string startOfLine(bkOffset,' ');
+  oss << startOfLine << "Field ";
+  if(bkOffset==0)
+    oss << "[Type=" << getTypeStr() << "] ";
+  oss << "on One time Step ";
+  if(f1tsId>=0)
+    oss << "(" << f1tsId << ") ";
+  oss << "on iteration=" << _iteration << " order=" << _order << "." << std::endl;
+  oss << startOfLine << "Time attached is : " << _dt << " [" << _dt_unit << "]." << std::endl;
+  const DataArray *arr=getUndergroundDataArray();
+  if(arr)
+    {
+      const std::vector<std::string> &comps=arr->getInfoOnComponents();
+      if(f1tsId<0)
+        {
+          oss << startOfLine << "Field Name : \"" << arr->getName() << "\"." << std::endl;
+          oss << startOfLine << "Field has " << comps.size() << " components with the following infos :" << std::endl;
+          for(std::vector<std::string>::const_iterator it=comps.begin();it!=comps.end();it++)
+            oss << startOfLine << "  -  \"" << (*it) << "\"" << std::endl;
+        }
+      if(arr->isAllocated())
+        {
+          oss << startOfLine << "Whole field contains " << arr->getNumberOfTuples() << " tuples." << std::endl;
+        }
+      else
+        oss << startOfLine << "The array of the current field has not allocated yet !" << std::endl;
+    }
+  else
+    {
+      oss << startOfLine << "Field infos are empty ! Not defined yet !" << std::endl;
+    }
+  oss << startOfLine << "----------------------" << std::endl;
+  if(!_field_per_mesh.empty())
+    {
+      int i=0;
+      for(std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileFieldPerMesh > >::const_iterator it2=_field_per_mesh.begin();it2!=_field_per_mesh.end();it2++,i++)
+        {
+          const MEDFileFieldPerMesh *cur=(*it2);
+          if(cur)
+            cur->simpleRepr(bkOffset,oss,i);
+          else
+            oss << startOfLine << "Field per mesh #" << i << " is not defined !" << std::endl;
+        }
+    }
+  else
+    {
+      oss << startOfLine << "Field is not defined on any meshes !" << std::endl;
+    }
+  oss << startOfLine << "----------------------" << std::endl;
+}
+
 MEDFileAnyTypeField1TSWithoutSDA::MEDFileAnyTypeField1TSWithoutSDA(const char *fieldName, int csit, int iteration, int order):_iteration(iteration),_order(order),_csit(csit)
 {
 }
@@ -4234,64 +4298,6 @@ MEDFileField1TSWithoutSDA *MEDFileField1TSWithoutSDA::New(const char *fieldName,
   return new MEDFileField1TSWithoutSDA(fieldName,csit,iteration,order,infos);
 }
 
-/*!
- * Prints a string describing \a this field into a stream. This string is outputted 
- * by \c print Python command.
- *  \param [in] bkOffset - number of white spaces printed at the beginning of each line.
- *  \param [in,out] oss - the out stream.
- *  \param [in] f1tsId - the field index within a MED file. If \a f1tsId < 0, the tiny
- *          info id printed, else, not.
- */
-void MEDFileField1TSWithoutSDA::simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const
-{
-  std::string startOfLine(bkOffset,' ');
-  oss << startOfLine << "Field on One time Step ";
-  if(f1tsId>=0)
-    oss << "(" << f1tsId << ") ";
-  oss << "on iteration=" << _iteration << " order=" << _order << "." << std::endl;
-  oss << startOfLine << "Time attached is : " << _dt << " [" << _dt_unit << "]." << std::endl;
-  const DataArrayDouble *arr=_arr;
-  if(arr)
-    {
-      const std::vector<std::string> &comps=arr->getInfoOnComponents();
-      if(f1tsId<0)
-        {
-          oss << startOfLine << "Field Name : \"" << arr->getName() << "\"." << std::endl;
-          oss << startOfLine << "Field has " << comps.size() << " components with the following infos :" << std::endl;
-          for(std::vector<std::string>::const_iterator it=comps.begin();it!=comps.end();it++)
-            oss << startOfLine << "  -  \"" << (*it) << "\"" << std::endl;
-        }
-      if(arr->isAllocated())
-        {
-          oss << startOfLine << "Whole field contains " << arr->getNumberOfTuples() << " tuples." << std::endl;
-        }
-      else
-        oss << startOfLine << "The array of the current field has not allocated yet !" << std::endl;
-    }
-  else
-    {
-      oss << startOfLine << "Field infos are empty ! Not defined yet !" << std::endl;
-    }
-  oss << startOfLine << "----------------------" << std::endl;
-  if(!_field_per_mesh.empty())
-    {
-      int i=0;
-      for(std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileFieldPerMesh > >::const_iterator it2=_field_per_mesh.begin();it2!=_field_per_mesh.end();it2++,i++)
-        {
-          const MEDFileFieldPerMesh *cur=(*it2);
-          if(cur)
-            cur->simpleRepr(bkOffset,oss,i);
-          else
-            oss << startOfLine << "Field per mesh #" << i << " is not defined !" << std::endl;
-        }
-    }
-  else
-    {
-      oss << startOfLine << "Field is not defined on any meshes !" << std::endl;
-    }
-  oss << startOfLine << "----------------------" << std::endl;
-}
-
 /*!
  * Returns all attributes and values of parts of \a this field lying on a given mesh.
  * Each part differs from other ones by a type of supporting mesh entity. The _i_-th
@@ -4367,6 +4373,11 @@ DataArrayDouble *MEDFileField1TSWithoutSDA::getUndergroundDataArrayDouble() cons
     return 0;
 }
 
+const char *MEDFileField1TSWithoutSDA::getTypeStr() const throw(INTERP_KERNEL::Exception)
+{
+  return TYPE_STR;
+}
+
 /*!
  * Returns a pointer to the underground DataArrayDouble instance. So the
  * caller should not decrRef() it. This method allows for a direct access to the field
@@ -4522,6 +4533,11 @@ MEDFileIntField1TSWithoutSDA::MEDFileIntField1TSWithoutSDA(const char *fieldName
   arr->setInfoAndChangeNbOfCompo(infos);
 }
 
+const char *MEDFileIntField1TSWithoutSDA::getTypeStr() const throw(INTERP_KERNEL::Exception)
+{
+  return TYPE_STR;
+}
+
 /*!
  * Returns a pointer to the underground DataArrayInt instance. So the
  * caller should not decrRef() it. This method allows for a direct access to the field
@@ -4597,19 +4613,6 @@ DataArrayInt *MEDFileIntField1TSWithoutSDA::getUndergroundDataArrayIntExt(std::v
   return getUndergroundDataArrayInt();
 }
 
-/*!
- * Prints a string describing \a this field into a stream. This string is outputted 
- * by \c print Python command.
- *  \param [in] bkOffset - number of white spaces printed at the beginning of each line.
- *  \param [in,out] oss - the out stream.
- *  \param [in] f1tsId - the field index within a MED file. If \a f1tsId < 0, the tiny
- *          info id printed, else, not.
- */
-void MEDFileIntField1TSWithoutSDA::simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const
-{
-  // to implement (to factorize)
-}
-
 MEDFileAnyTypeField1TSWithoutSDA *MEDFileIntField1TSWithoutSDA::shallowCpy() const throw(INTERP_KERNEL::Exception)
 {
   return new MEDFileIntField1TSWithoutSDA(*this);
@@ -6218,7 +6221,7 @@ void MEDFileAnyTypeFieldMultiTSWithoutSDA::setName(const char *name)
 void MEDFileAnyTypeFieldMultiTSWithoutSDA::simpleRepr(int bkOffset, std::ostream& oss, int fmtsId) const
 {
   std::string startLine(bkOffset,' ');
-  oss << startLine << "Field multi time steps";
+  oss << startLine << "Field multi time steps [Type=" << getTypeStr() << "]";
   if(fmtsId>=0)
     oss << " (" << fmtsId << ")";
   oss << " has the following name: \"" << _name << "\"." << std::endl;
@@ -6689,6 +6692,11 @@ MEDFileAnyTypeField1TSWithoutSDA *MEDFileFieldMultiTSWithoutSDA::createNew1TSWit
   return new MEDFileField1TSWithoutSDA;
 }
 
+const char *MEDFileFieldMultiTSWithoutSDA::getTypeStr() const throw(INTERP_KERNEL::Exception)
+{
+  return MEDFileField1TSWithoutSDA::TYPE_STR;
+}
+
 MEDFileAnyTypeFieldMultiTSWithoutSDA *MEDFileFieldMultiTSWithoutSDA::shallowCpy() const throw(INTERP_KERNEL::Exception)
 {
   return new MEDFileFieldMultiTSWithoutSDA(*this);
@@ -6853,6 +6861,11 @@ MEDFileAnyTypeField1TSWithoutSDA *MEDFileIntFieldMultiTSWithoutSDA::createNew1TS
   return new MEDFileIntField1TSWithoutSDA;
 }
 
+const char *MEDFileIntFieldMultiTSWithoutSDA::getTypeStr() const throw(INTERP_KERNEL::Exception)
+{
+  return MEDFileIntField1TSWithoutSDA::TYPE_STR;
+}
+
 MEDFileAnyTypeFieldMultiTSWithoutSDA *MEDFileIntFieldMultiTSWithoutSDA::shallowCpy() const throw(INTERP_KERNEL::Exception)
 {
   return new MEDFileIntFieldMultiTSWithoutSDA(*this);
diff --git a/src/MEDLoader/MEDFileField.hxx b/src/MEDLoader/MEDFileField.hxx
index efea43ad8..4c48b05b1 100644
--- a/src/MEDLoader/MEDFileField.hxx
+++ b/src/MEDLoader/MEDFileField.hxx
@@ -465,9 +465,10 @@ namespace ParaMEDMEM
     int copyTinyInfoFrom(const MEDCouplingFieldDouble *field, const DataArray *arr) throw(INTERP_KERNEL::Exception);
     void setFieldNoProfileSBT(const MEDCouplingFieldDouble *field, const DataArray *arr, MEDFileFieldGlobsReal& glob) throw(INTERP_KERNEL::Exception);
     void setFieldProfile(const MEDCouplingFieldDouble *field, const DataArray *arrOfVals, const MEDFileMesh *mesh, int meshDimRelToMax, const DataArrayInt *profile, MEDFileFieldGlobsReal& glob) throw(INTERP_KERNEL::Exception);
-    virtual void simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const = 0;
+    virtual void simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const;
     virtual MEDFileAnyTypeField1TSWithoutSDA *deepCpy() const throw(INTERP_KERNEL::Exception) = 0;
     virtual MEDFileAnyTypeField1TSWithoutSDA *shallowCpy() const throw(INTERP_KERNEL::Exception) = 0;
+    virtual const char *getTypeStr() const throw(INTERP_KERNEL::Exception) = 0;
     virtual DataArray *getUndergroundDataArray() const throw(INTERP_KERNEL::Exception) = 0;
     virtual DataArray *getUndergroundDataArrayExt(std::vector< std::pair<std::pair<INTERP_KERNEL::NormalizedCellType,int>,std::pair<int,int> > >& entries) const throw(INTERP_KERNEL::Exception) = 0;
     virtual void setArray(DataArray *arr) throw(INTERP_KERNEL::Exception) = 0;
@@ -505,7 +506,7 @@ namespace ParaMEDMEM
   class MEDLOADER_EXPORT MEDFileField1TSWithoutSDA : public MEDFileAnyTypeField1TSWithoutSDA
   {
   public:
-    void simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const;
+    const char *getTypeStr() const throw(INTERP_KERNEL::Exception);
     DataArray *getUndergroundDataArray() const throw(INTERP_KERNEL::Exception);
     DataArray *getUndergroundDataArrayExt(std::vector< std::pair<std::pair<INTERP_KERNEL::NormalizedCellType,int>,std::pair<int,int> > >& entries) const throw(INTERP_KERNEL::Exception);
     DataArrayDouble *getUndergroundDataArrayDouble() const throw(INTERP_KERNEL::Exception);
@@ -527,6 +528,8 @@ namespace ParaMEDMEM
     const DataArrayDouble *getOrCreateAndGetArrayDouble() const;
   protected:
     MEDCouplingAutoRefCountObjectPtr< DataArrayDouble > _arr;
+  public:
+    static const char TYPE_STR[];
   };
 
   /*!
@@ -537,9 +540,9 @@ namespace ParaMEDMEM
   public:
     MEDFileIntField1TSWithoutSDA();
     static MEDFileIntField1TSWithoutSDA *New(const char *fieldName, int csit, int iteration, int order, const std::vector<std::string>& infos);
-    void simpleRepr(int bkOffset, std::ostream& oss, int f1tsId) const;
     MEDFileAnyTypeField1TSWithoutSDA *deepCpy() const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeField1TSWithoutSDA *shallowCpy() const throw(INTERP_KERNEL::Exception);
+    const char *getTypeStr() const throw(INTERP_KERNEL::Exception);
     DataArray *getUndergroundDataArray() const throw(INTERP_KERNEL::Exception);
     DataArray *getUndergroundDataArrayExt(std::vector< std::pair<std::pair<INTERP_KERNEL::NormalizedCellType,int>,std::pair<int,int> > >& entries) const throw(INTERP_KERNEL::Exception);
     void setArray(DataArray *arr) throw(INTERP_KERNEL::Exception);
@@ -554,6 +557,8 @@ namespace ParaMEDMEM
     MEDFileIntField1TSWithoutSDA(const char *fieldName, int csit, int iteration, int order, const std::vector<std::string>& infos);
   protected:
     MEDCouplingAutoRefCountObjectPtr< DataArrayInt > _arr;
+  public:
+    static const char TYPE_STR[];
   };
 
   /*!
@@ -720,6 +725,7 @@ namespace ParaMEDMEM
   public:
     std::size_t getHeapMemorySize() const;
     virtual MEDFileAnyTypeFieldMultiTSWithoutSDA *deepCpy() const throw(INTERP_KERNEL::Exception);
+    virtual const char *getTypeStr() const throw(INTERP_KERNEL::Exception) = 0;
     virtual MEDFileAnyTypeFieldMultiTSWithoutSDA *shallowCpy() const throw(INTERP_KERNEL::Exception) = 0;
     virtual MEDFileAnyTypeField1TSWithoutSDA *createNew1TSWithoutSDAEmptyInstance() const throw(INTERP_KERNEL::Exception) = 0;
     const std::vector<std::string>& getInfo() const throw(INTERP_KERNEL::Exception);
@@ -773,6 +779,7 @@ namespace ParaMEDMEM
   public:
     static MEDFileFieldMultiTSWithoutSDA *New(med_idt fid, const char *fieldName, med_field_type fieldTyp, const std::vector<std::string>& infos, int nbOfStep) throw(INTERP_KERNEL::Exception);
     MEDFileFieldMultiTSWithoutSDA(med_idt fid, int fieldId) throw(INTERP_KERNEL::Exception);
+    const char *getTypeStr() const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeFieldMultiTSWithoutSDA *shallowCpy() const throw(INTERP_KERNEL::Exception);
     std::vector< std::vector<DataArrayDouble *> > getFieldSplitedByType2(int iteration, int order, const char *mname, std::vector<INTERP_KERNEL::NormalizedCellType>& types, std::vector< std::vector<TypeOfField> >& typesF, std::vector< std::vector<std::string> >& pfls, std::vector< std::vector<std::string> >& locs) const throw(INTERP_KERNEL::Exception);
   protected:
@@ -789,6 +796,7 @@ namespace ParaMEDMEM
   public:
     static MEDFileIntFieldMultiTSWithoutSDA *New(med_idt fid, const char *fieldName, med_field_type fieldTyp, const std::vector<std::string>& infos, int nbOfStep) throw(INTERP_KERNEL::Exception);
     MEDFileIntFieldMultiTSWithoutSDA(med_idt fid, int fieldId) throw(INTERP_KERNEL::Exception);
+    const char *getTypeStr() const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeFieldMultiTSWithoutSDA *shallowCpy() const throw(INTERP_KERNEL::Exception);
   protected:
     MEDFileIntFieldMultiTSWithoutSDA(const char *fieldName);
diff --git a/src/MEDLoader/Swig/MEDLoaderCommon.i b/src/MEDLoader/Swig/MEDLoaderCommon.i
index 6e18524a8..cf2f117fd 100644
--- a/src/MEDLoader/Swig/MEDLoaderCommon.i
+++ b/src/MEDLoader/Swig/MEDLoaderCommon.i
@@ -1326,6 +1326,11 @@ namespace ParaMEDMEM
         return MEDFileIntField1TS::New(fileName,fieldName,iteration,order);
       }
 
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+
       PyObject *getFieldAtLevel(TypeOfField type, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
       {
         DataArrayInt *ret1=0;
@@ -1838,6 +1843,11 @@ namespace ParaMEDMEM
         return MEDFileIntFieldMultiTS::New(fileName,fieldName);
       }
 
+      std::string __str__() const throw(INTERP_KERNEL::Exception)
+      {
+        return self->simpleRepr();
+      }
+
       PyObject *getFieldAtLevel(TypeOfField type, int iteration, int order, int meshDimRelToMax, int renumPol=0) const throw(INTERP_KERNEL::Exception)
       {
         DataArrayInt *ret1=0;
diff --git a/src/MEDLoader/Swig/MEDLoaderTypemaps.i b/src/MEDLoader/Swig/MEDLoaderTypemaps.i
index bbfad3650..50283b8f8 100644
--- a/src/MEDLoader/Swig/MEDLoaderTypemaps.i
+++ b/src/MEDLoader/Swig/MEDLoaderTypemaps.i
@@ -23,6 +23,11 @@
 static PyObject* convertMEDFileMesh(ParaMEDMEM::MEDFileMesh* mesh, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!mesh)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<ParaMEDMEM::MEDFileUMesh *>(mesh))
     ret=SWIG_NewPointerObj((void*)mesh,SWIGTYPE_p_ParaMEDMEM__MEDFileUMesh,owner);
   if(dynamic_cast<ParaMEDMEM::MEDFileCMesh *>(mesh))
@@ -37,6 +42,11 @@ static PyObject* convertMEDFileMesh(ParaMEDMEM::MEDFileMesh* mesh, int owner) th
 static PyObject* convertMEDFileParameter1TS(ParaMEDMEM::MEDFileParameter1TS* p1ts, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!p1ts)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<MEDFileParameterDouble1TS *>(p1ts))
     ret=SWIG_NewPointerObj((void*)p1ts,SWIGTYPE_p_ParaMEDMEM__MEDFileParameterDouble1TS,owner);
   if(dynamic_cast<MEDFileParameterDouble1TSWTI *>(p1ts))
@@ -49,6 +59,11 @@ static PyObject* convertMEDFileParameter1TS(ParaMEDMEM::MEDFileParameter1TS* p1t
 static PyObject* convertMEDFileField1TS(ParaMEDMEM::MEDFileAnyTypeField1TS *p, int owner) throw(INTERP_KERNEL::Exception)
 {
   PyObject *ret=0;
+  if(!p)
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<MEDFileField1TS *>(p))
     ret=SWIG_NewPointerObj((void*)p,SWIGTYPE_p_ParaMEDMEM__MEDFileField1TS,owner);
   if(dynamic_cast<MEDFileIntField1TS *>(p))
@@ -62,7 +77,10 @@ static PyObject* convertMEDFileFieldMultiTS(ParaMEDMEM::MEDFileAnyTypeFieldMulti
 {
   PyObject *ret=0;
   if(!p)
-    return SWIG_NewPointerObj((void*)0,SWIGTYPE_p_ParaMEDMEM__MEDFileFieldMultiTS,owner);
+    {
+      Py_XINCREF(Py_None);
+      return Py_None;
+    }
   if(dynamic_cast<MEDFileFieldMultiTS *>(p))
     ret=SWIG_NewPointerObj((void*)p,SWIGTYPE_p_ParaMEDMEM__MEDFileFieldMultiTS,owner);
   if(dynamic_cast<MEDFileIntFieldMultiTS *>(p))
diff --git a/src/MEDLoader/Test/SauvLoaderTest.cxx b/src/MEDLoader/Test/SauvLoaderTest.cxx
index fdc9146a4..113633c73 100644
--- a/src/MEDLoader/Test/SauvLoaderTest.cxx
+++ b/src/MEDLoader/Test/SauvLoaderTest.cxx
@@ -219,7 +219,7 @@ void SauvLoaderTest::testMed2Sauv()
   MEDFileFields* pointeFields = pointeMed->getFields();
   for ( int i = 0; i < pointeFields->getNumberOfFields(); ++i )
     {
-      MEDCouplingAutoRefCountObjectPtr<MEDFileFieldMultiTS> ts = dynamic_cast<MEDFileFieldMultiTS *>(pointeFields->getFieldAtPos(i));
+      MEDCouplingAutoRefCountObjectPtr<MEDFileAnyTypeFieldMultiTS> ts = pointeFields->getFieldAtPos(i);
       if ( std::string("fieldnodeint") == ts->getName())
         {
           pointeFields->destroyFieldAtPos( i );