From: eap <eap@opencascade.com>
Date: Thu, 15 Dec 2005 07:33:07 +0000 (+0000)
Subject: PAL10494 (SMESH python dump uses idl interface). Add SMESH_2smeshpy, a converter... 
X-Git-Tag: T_Before_Join_BR_3_1_0deb~15
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=5a76185f8273ff737f5a752f5a6fbc5a1b717d39;p=modules%2Fsmesh.git

PAL10494 (SMESH python dump uses idl interface). Add SMESH_2smeshpy, a converter of IDL API to smesh.py API
---

diff --git a/src/SMESH_I/Makefile.in b/src/SMESH_I/Makefile.in
index 2d727cef8..5ea16f7fc 100644
--- a/src/SMESH_I/Makefile.in
+++ b/src/SMESH_I/Makefile.in
@@ -45,6 +45,7 @@ EXPORT_HEADERS= \
 	SMESH_subMesh_i.hxx \
 	SMESH_Mesh_i.hxx \
 	SMESH_Hypothesis_i.hxx \
+	SMESH_PythonDump.hxx \
 	SMESH.hxx
 
 EXPORT_PYSCRIPTS = smeshpy.py
@@ -70,7 +71,8 @@ LIB_SRC = \
         SMESH_3D_Algo_i.cxx \
 	SMESH_Filter_i.cxx \
 	SMESH_Group_i.cxx \
-	SMESH_Pattern_i.cxx
+	SMESH_Pattern_i.cxx \
+	SMESH_2smeshpy.cxx
 
 LIB_SERVER_IDL = SMESH_Gen.idl SMESH_Hypothesis.idl SMESH_Mesh.idl \
                  SALOME_Component.idl SALOME_Exception.idl \
diff --git a/src/SMESH_I/SMESH_2smeshpy.cxx b/src/SMESH_I/SMESH_2smeshpy.cxx
new file mode 100644
index 000000000..b3223350b
--- /dev/null
+++ b/src/SMESH_I/SMESH_2smeshpy.cxx
@@ -0,0 +1,1215 @@
+// File      : SMESH_2smeshpy.cxx
+// Created   : Fri Nov 18 13:20:10 2005
+// Author    : Edward AGAPOV (eap)
+
+#include "SMESH_2smeshpy.hxx"
+
+#include "SMESH_Gen_i.hxx"
+#include "utilities.h"
+#include "SMESH_PythonDump.hxx"
+#include "Resource_DataMapOfAsciiStringAsciiString.hxx"
+
+IMPLEMENT_STANDARD_HANDLE (_pyObject          ,Standard_Transient);
+IMPLEMENT_STANDARD_HANDLE (_pyCommand         ,Standard_Transient);
+IMPLEMENT_STANDARD_HANDLE (_pyGen             ,_pyObject);
+IMPLEMENT_STANDARD_HANDLE (_pyMesh            ,_pyObject);
+IMPLEMENT_STANDARD_HANDLE (_pyHypothesis      ,_pyObject);
+IMPLEMENT_STANDARD_HANDLE (_pyAlgorithm       ,_pyHypothesis);
+IMPLEMENT_STANDARD_HANDLE (_pyComplexParamHypo,_pyHypothesis);
+IMPLEMENT_STANDARD_HANDLE (_pyNumberOfSegmentsHyp,_pyHypothesis);
+
+using namespace std;
+using SMESH::TPythonDump;
+
+/*!
+ * \brief Container of commands into which the initial script is split.
+ *        It also contains data coresponding to SMESH_Gen contents
+ */
+static Handle(_pyGen) theGen;
+
+static TCollection_AsciiString theEmptyString;
+
+//#define DUMP_CONVERSION
+
+#if !defined(_DEBUG_) && defined(DUMP_CONVERSION)
+#undef DUMP_CONVERSION
+#endif
+
+//================================================================================
+/*!
+ * \brief Convert python script using commands of smesh.py
+  * \param theScript - Input script
+  * \retval TCollection_AsciiString - Convertion result
+ */
+//================================================================================
+
+TCollection_AsciiString
+SMESH_2smeshpy::ConvertScript(const TCollection_AsciiString& theScript,
+                              Resource_DataMapOfAsciiStringAsciiString& theEntry2AccessorMethod)
+{
+  theGen = new _pyGen( theEntry2AccessorMethod );
+
+  // split theScript into separate commands
+  int from = 1, end = theScript.Length(), to;
+  while ( from < end && ( to = theScript.Location( "\n", from, end )))
+  {
+    if ( to != from )
+      // cut out and store a command
+      theGen->AddCommand( theScript.SubString( from, to - 1 ));
+    from = to + 1;
+  }
+  // finish conversion
+  theGen->Flush();
+#ifdef DUMP_CONVERSION
+  cout << endl << " ######## RESULT ######## " << endl<< endl;
+#endif
+  // concat commands back into a script
+  TCollection_AsciiString aScript;
+  list< Handle(_pyCommand) >::iterator cmd = theGen->GetCommands().begin();
+  for ( ; cmd != theGen->GetCommands().end(); ++cmd ) {
+#ifdef DUMP_CONVERSION
+    cout << "## COM " << (*cmd)->GetOrderNb() << ": "<< (*cmd)->GetString() << endl;
+#endif
+    if ( !(*cmd)->IsEmpty() ) {
+      aScript += "\n";
+      aScript += (*cmd)->GetString();
+    }
+  }
+  aScript += "\n";
+
+  theGen.Nullify();
+
+  return aScript;
+}
+
+//================================================================================
+/*!
+ * \brief _pyGen constructor
+ */
+//================================================================================
+
+_pyGen::_pyGen(Resource_DataMapOfAsciiStringAsciiString& theEntry2AccessorMethod)
+  : _pyObject( new _pyCommand( TPythonDump::SMESHGenName(), 0 )),
+    myID2AccessorMethod( theEntry2AccessorMethod )
+{
+  myNbCommands = 0;
+  // make that GetID() to return TPythonDump::SMESHGenName()
+  GetCreationCmd()->GetString() += "=";
+}
+
+//================================================================================
+/*!
+ * \brief Convert a command using a specific converter
+  * \param theCommand - the command to convert
+  * \retval bool - convertion result
+ */
+//================================================================================
+
+void _pyGen::AddCommand( const TCollection_AsciiString& theCommand)
+{
+  // store theCommand in the sequence
+  myCommands.push_back( new _pyCommand( theCommand, ++myNbCommands ));
+
+  Handle(_pyCommand) aCommand = myCommands.back();
+#ifdef DUMP_CONVERSION
+  cout << "## COM " << myNbCommands << ": "<< aCommand->GetString() << endl;
+#endif
+
+  _pyID objID = aCommand->GetObject();
+
+  if ( objID.IsEmpty() )
+    return;
+
+  // SMESH_Gen method?
+  if ( objID == this->GetID() ) {
+    this->Process( aCommand );
+    return;
+  }
+  // SMESH_Mesh method?
+  map< _pyID, Handle(_pyMesh) >::iterator id_mesh = myMeshes.find( objID );
+  if ( id_mesh != myMeshes.end() ) {
+    id_mesh->second->Process( aCommand );
+    return;
+  }
+  // SMESH_Hypothesis method
+  list< Handle(_pyHypothesis) >::iterator hyp = myHypos.begin();
+  for ( ; hyp != myHypos.end(); ++hyp )
+    if ( !(*hyp)->IsAlgo() && objID == (*hyp)->GetID() )
+      (*hyp)->Process( aCommand );
+
+  // Mesh provides SMESH_IDSource interface used in SMESH_MeshEditor.
+  // Add access to wrapped mesh
+  if ( objID == TPythonDump::MeshEditorName() ) {
+    // in all SMESH_MeshEditor's commands, a SMESH_IDSource is the first arg
+    id_mesh = myMeshes.find( aCommand->GetArg( 1 ));
+    if ( id_mesh != myMeshes.end() )
+      aCommand->SetArg( 1 , aCommand->GetArg( 1 ) + ".GetMesh()" );
+  }
+}
+
+//================================================================================
+/*!
+ * \brief Convert the command or remember it for later conversion 
+  * \param theCommand - The python command calling a method of SMESH_Gen
+ */
+//================================================================================
+
+void _pyGen::Process( const Handle(_pyCommand)& theCommand )
+{
+  // there are methods to convert:
+  // CreateMesh( shape )
+  // CreateHypothesis( theHypType, theLibName )
+  // Compute( mesh, geom )
+
+  if ( theCommand->GetMethod() == "CreateMesh" )
+  {
+    Handle(_pyMesh) mesh = new _pyMesh( theCommand );
+    myMeshes.insert( make_pair( mesh->GetID(), mesh ));
+    return;
+  }
+
+  // CreateHypothesis()
+  if ( theCommand->GetMethod() == "CreateHypothesis" )
+  {
+    myHypos.push_back( _pyHypothesis::NewHypothesis( theCommand ));
+    return;
+  }
+
+  // smeshgen.Compute( mesh, geom ) --> mesh.Compute()
+  if ( theCommand->GetMethod() == "Compute" )
+  {
+    const _pyID& meshID = theCommand->GetArg( 1 );
+    map< _pyID, Handle(_pyMesh) >::iterator id_mesh = myMeshes.find( meshID );
+    if ( id_mesh != myMeshes.end() ) {
+      theCommand->SetObject( meshID );
+      theCommand->RemoveArgs();
+      id_mesh->second->Flush();
+      return;
+    }
+  }
+
+  // smeshgen.Method() --> smesh.smesh.Method()
+  theCommand->SetObject( SMESH_2smeshpy::GenName() );
+}
+
+//================================================================================
+/*!
+ * \brief Convert the remembered commands
+ */
+//================================================================================
+
+void _pyGen::Flush()
+{
+  map< _pyID, Handle(_pyMesh) >::iterator id_mesh = myMeshes.begin();
+  for ( ; id_mesh != myMeshes.end(); ++id_mesh )
+    if ( ! id_mesh->second.IsNull() )
+      id_mesh->second->Flush();
+
+  list< Handle(_pyHypothesis) >::iterator hyp = myHypos.begin();
+  for ( ; hyp != myHypos.end(); ++hyp )
+    if ( !hyp->IsNull() ) {
+      (*hyp)->Flush();
+      // smeshgen.CreateHypothesis() --> smesh.smesh.CreateHypothesis()
+      if ( !(*hyp)->GetCreationCmd()->IsEmpty() )
+        (*hyp)->GetCreationCmd()->SetObject( SMESH_2smeshpy::GenName() );
+    }
+}
+
+//================================================================================
+/*!
+ * \brief Find hypothesis by ID (entry)
+  * \param theHypID - The hypothesis ID
+  * \retval Handle(_pyHypothesis) - The found hypothesis
+ */
+//================================================================================
+
+Handle(_pyHypothesis) _pyGen::FindHyp( const _pyID& theHypID )
+{
+  list< Handle(_pyHypothesis) >::iterator hyp = myHypos.begin();
+  for ( ; hyp != myHypos.end(); ++hyp )
+    if ( !hyp->IsNull() && theHypID == (*hyp)->GetID() )
+      return *hyp;
+  return Handle(_pyHypothesis)();
+}
+
+//================================================================================
+/*!
+ * \brief Find algorithm the created algorithm
+  * \param theGeom - The shape ID the algorithm was created on
+  * \param theMesh - The mesh ID that created the algorithm
+  * \param dim - The algo dimension
+  * \retval Handle(_pyHypothesis) - The found algo
+ */
+//================================================================================
+
+Handle(_pyHypothesis) _pyGen::FindAlgo( const _pyID& theGeom, const _pyID& theMesh,
+                                      const TCollection_AsciiString& theAlgoType )
+{
+  list< Handle(_pyHypothesis) >::iterator hyp = myHypos.begin();
+  for ( ; hyp != myHypos.end(); ++hyp )
+    if ( !hyp->IsNull() &&
+         (*hyp)->IsAlgo() &&
+         (*hyp)->GetType() == theAlgoType &&
+         (*hyp)->GetGeom() == theGeom &&
+         (*hyp)->GetMesh() == theMesh )
+      return *hyp;
+  return 0;
+}
+
+//================================================================================
+/*!
+ * \brief Change order of commands in the script
+  * \param theCmd1 - One command
+  * \param theCmd2 - Another command
+ */
+//================================================================================
+
+void _pyGen::ExchangeCommands( Handle(_pyCommand) theCmd1, Handle(_pyCommand) theCmd2 )
+{
+  list< Handle(_pyCommand) >::iterator pos1, pos2;
+  pos1 = find( myCommands.begin(), myCommands.end(), theCmd1 );
+  pos2 = find( myCommands.begin(), myCommands.end(), theCmd2 );
+  myCommands.insert( pos1, theCmd2 );
+  myCommands.insert( pos2, theCmd1 );
+  myCommands.erase( pos1 );
+  myCommands.erase( pos2 );
+
+  int nb1 = theCmd1->GetOrderNb();
+  theCmd1->SetOrderNb( theCmd2->GetOrderNb() );
+  theCmd2->SetOrderNb( nb1 );
+}
+//================================================================================
+/*!
+ * \brief Set one command after the other
+  * \param theCmd - Command to move
+  * \param theAfterCmd - Command ater which to insert the first one
+ */
+//================================================================================
+
+void _pyGen::SetCommandAfter( Handle(_pyCommand) theCmd, Handle(_pyCommand) theAfterCmd )
+{
+  list< Handle(_pyCommand) >::iterator pos;
+  pos = find( myCommands.begin(), myCommands.end(), theCmd );
+  myCommands.erase( pos );
+  pos = find( myCommands.begin(), myCommands.end(), theAfterCmd );
+  myCommands.insert( ++pos, theCmd );
+
+  int i = 1;
+  for ( pos = myCommands.begin(); pos != myCommands.end(); ++pos)
+    (*pos)->SetOrderNb( i++ );
+}
+
+//================================================================================
+/*!
+ * \brief Set method to access to object wrapped with python class
+  * \param theID - The wrapped object entry
+  * \param theMethod - The accessor method
+ */
+//================================================================================
+
+void _pyGen::SetAccessorMethod(const _pyID& theID, const char* theMethod )
+{
+  myID2AccessorMethod.Bind( theID, (char*) theMethod );
+}
+
+//================================================================================
+/*!
+ * \brief Find out type of geom group
+  * \param grpID - The geom group entry
+  * \retval int - The type
+ */
+//================================================================================
+
+static bool sameGroupType( const _pyID&                   grpID,
+                           const TCollection_AsciiString& theType)
+{
+  // define group type as smesh.Mesh.Group() does
+  int type = -1;
+  SALOMEDS::Study_var study = SMESH_Gen_i::GetSMESHGen()->GetCurrentStudy();
+  SALOMEDS::SObject_var aSObj = study->FindObjectID( grpID.ToCString() );
+  if ( !aSObj->_is_nil() ) {
+    GEOM::GEOM_Object_var aGeomObj = GEOM::GEOM_Object::_narrow( aSObj->GetObject() );
+    if ( !aGeomObj->_is_nil() ) {
+      switch ( aGeomObj->GetShapeType() ) {
+      case GEOM::VERTEX: type = SMESH::NODE; break;
+      case GEOM::EDGE:   type = SMESH::EDGE; break;
+      case GEOM::FACE:   type = SMESH::FACE; break;
+      case GEOM::SOLID:
+      case GEOM::SHELL:  type = SMESH::VOLUME; break;
+      case GEOM::COMPOUND: {
+        GEOM::GEOM_Gen_var aGeomGen = SMESH_Gen_i::GetSMESHGen()->GetGeomEngine();
+        if ( !aGeomGen->_is_nil() ) {
+          GEOM::GEOM_IGroupOperations_var aGrpOp =
+            aGeomGen->GetIGroupOperations( study->StudyId() );
+          if ( !aGrpOp->_is_nil() ) {
+            switch ( aGrpOp->GetType( aGeomObj )) {
+            case TopAbs_VERTEX: type = SMESH::NODE; break;
+            case TopAbs_EDGE:   type = SMESH::EDGE; break;
+            case TopAbs_FACE:   type = SMESH::FACE; break;
+            case TopAbs_SOLID:  type = SMESH::VOLUME; break;
+            default:;
+            }
+          }
+        }
+      }
+      default:;
+      }
+    }
+  }
+  if ( type < 0 ) {
+    MESSAGE("Type of the group " << grpID << " not found");
+    return false;
+  }
+  if ( theType.IsIntegerValue() )
+    return type == theType.IntegerValue();
+
+  switch ( type ) {
+  case SMESH::NODE:   return theType.Location( "NODE", 1, theType.Length() );
+  case SMESH::EDGE:   return theType.Location( "EDGE", 1, theType.Length() );
+  case SMESH::FACE:   return theType.Location( "FACE", 1, theType.Length() );
+  case SMESH::VOLUME: return theType.Location( "VOLUME", 1, theType.Length() );
+  default:;
+  }
+  return false;
+}
+
+//================================================================================
+/*!
+ * \brief 
+  * \param theCreationCmd - 
+ */
+//================================================================================
+
+_pyMesh::_pyMesh(const Handle(_pyCommand) theCreationCmd): _pyObject(theCreationCmd)
+{
+  // convert my creation command
+  Handle(_pyCommand) creationCmd = GetCreationCmd();
+  creationCmd->SetObject( SMESH_2smeshpy::SmeshpyName() );
+  creationCmd->SetMethod( "Mesh" );
+
+  theGen->SetAccessorMethod( GetID(), "GetMesh()" );
+}
+
+//================================================================================
+/*!
+            case brief:
+            default:
+  * \param theCommand - Engine method called for this mesh
+ */
+//================================================================================
+
+void _pyMesh::Process( const Handle(_pyCommand)& theCommand )
+{
+  // smesh.py wraps the following methods:
+  //
+  // 1. GetSubMesh(geom, name) + AddHypothesis(geom, algo)
+  //     --> in Mesh_Algorithm.Create(mesh, geom, hypo, so)
+  // 2. AddHypothesis(geom, hyp)
+  //     --> in Mesh_Algorithm.Hypothesis(hyp, args, so)
+  // 3. CreateGroupFromGEOM(type, name, grp)
+  //     --> in Mesh.Group(grp, name="")
+  // 4. ExportToMED(f, opt, version)
+  //     --> in Mesh.ExportToMED( f, version, opt=0 )
+  // 5. ExportMED(f, opt)
+  //     --> in Mesh.ExportMED( f,opt=0 )
+  // 6. ExportDAT(f)
+  //     --> in Mesh.ExportDAT( f )
+  // 7. ExportUNV(f)
+  //     --> in Mesh.ExportUNV(f)
+  // 8. ExportSTL(f, ascii)
+  //     --> in Mesh.ExportSTL(f, ascii=1)
+
+  const TCollection_AsciiString method = theCommand->GetMethod();
+  if ( method == "GetSubMesh" ) {
+    mySubmeshes.push_back( theCommand );
+  }
+  else if ( method == "AddHypothesis" ) { // mesh.AddHypothesis(geom, HYPO )
+    myAddHypCmds.push_back( theCommand );
+    // set mesh to hypo
+    const _pyID& hypID = theCommand->GetArg( 2 );
+    Handle(_pyHypothesis) hyp = theGen->FindHyp( hypID );
+    if ( !hyp.IsNull() && hyp->GetMesh().IsEmpty() )
+      hyp->SetMesh( this->GetID() );
+  }
+  else if ( method == "CreateGroupFromGEOM" ) {// (type, name, grp)
+    _pyID grp = theCommand->GetArg( 3 );
+    if ( sameGroupType( grp, theCommand->GetArg( 1 )) ) { // --> Group(grp)
+      theCommand->SetMethod( "Group" );
+      theCommand->RemoveArgs();
+      theCommand->SetArg( 1, grp );
+    }
+    else {
+      AddMeshAccess( theCommand );
+    }
+  }
+  else if ( method == "ExportToMED" ) {//(f, opt, version)
+    // --> (f, version, opt)
+    _pyID opt = theCommand->GetArg( 2 );
+    _pyID ver = theCommand->GetArg( 3 );
+    theCommand->SetArg( 2, ver );
+    theCommand->SetArg( 3, opt );
+  }
+  else if ( method == "RemoveHypothesis" ) // (geom, hyp)
+  {
+    const _pyID & hypID = theCommand->GetArg( 2 );
+
+    // check if this mesh still has corresponding addition command
+    bool hasAddCmd = false;
+    list< Handle(_pyCommand) >::iterator cmd = myAddHypCmds.begin();
+    while ( cmd != myAddHypCmds.end() )
+    {
+      // AddHypothesis(geom, hyp)
+      if ( hypID == (*cmd)->GetArg( 2 )) { // erase both commands
+        theCommand->Clear();
+        (*cmd)->Clear();
+        cmd = myAddHypCmds.erase( cmd );
+        hasAddCmd = true;
+      }
+      else {
+        ++cmd;
+      }
+    }
+    if ( ! hasAddCmd ) {
+      // access to wrapped mesh
+      AddMeshAccess( theCommand );
+      // access to wrapped algo
+      Handle(_pyHypothesis) hyp = theGen->FindHyp( hypID );
+      if ( !hyp.IsNull() && hyp->IsAlgo() && hyp->IsWrapped() )
+        theCommand->SetArg( 2, theCommand->GetArg( 2 ) + ".GetAlgorithm()" );
+    }
+  }
+  else { // apply theCommand to the mesh wrapped by smeshpy mesh
+    AddMeshAccess( theCommand );
+  }
+}
+
+//================================================================================
+/*!
+ * \brief Convert creation and addition of all algos and hypos
+ */
+//================================================================================
+
+void _pyMesh::Flush()
+{
+  list < Handle(_pyCommand) >::iterator cmd, cmd2;
+  map< _pyID, Handle(_pyCommand) > algo2additionCmd;
+
+  // try to convert algo addition like this:
+  // mesh.AddHypothesis(geom, ALGO ) --> ALGO = mesh.Algo()
+  for ( cmd = myAddHypCmds.begin(); cmd != myAddHypCmds.end(); ++cmd )
+  {
+    Handle(_pyCommand) addCmd = *cmd;
+    const _pyID& algoID = addCmd->GetArg( 2 );
+    Handle(_pyHypothesis) algo = theGen->FindHyp( algoID );
+    if ( algo.IsNull() || !algo->IsAlgo() )
+      continue;
+    // try to convert
+    _pyID geom = addCmd->GetArg( 1 );
+    if ( algo->Addition2Creation( addCmd, this->GetID() )) // OK
+    {
+      algo2additionCmd[ algo->GetID() ] = addCmd;
+
+      if ( geom != GetGeom() ) // local algo
+      {
+        // mesh.AddHypothesis(geom, ALGO ) --> mesh.AlgoMethod(geom)
+        addCmd->SetArg( addCmd->GetNbArgs() + 1,
+                        TCollection_AsciiString( "geom=" ) + geom );
+        // sm = mesh.GetSubMesh(geom, name) --> sm = ALGO.GetSubMesh()
+        for ( cmd2 = mySubmeshes.begin(); cmd2 != mySubmeshes.end(); ++cmd2 ) {
+          Handle(_pyCommand) subCmd = *cmd2;
+          if ( geom == subCmd->GetArg( 1 )) {
+            subCmd->SetObject( algo->GetID() );
+            subCmd->RemoveArgs();
+            if ( addCmd->GetOrderNb() > subCmd->GetOrderNb() )
+              theGen->SetCommandAfter( subCmd, addCmd );
+          }
+        }
+      }
+    }
+    else // ALGO was already created
+    {
+      // mesh.AddHypothesis(geom, ALGO ) --> mesh.GetMesh().AddHypothesis(geom, ALGO )
+      AddMeshAccess( addCmd );
+      // mesh.GetMesh().AddHypothesis(geom, ALGO ) ->
+      // mesh.GetMesh().AddHypothesis(geom, ALGO.GetAlgorithm() )
+      addCmd->SetArg( 2, addCmd->GetArg( 2 ) + ".GetAlgorithm()" );
+    }
+  }
+
+  // try to convert hypo addition like this:
+  // mesh.AddHypothesis(geom, HYPO ) --> HYPO = algo.Hypo()
+  for ( cmd = myAddHypCmds.begin(); cmd != myAddHypCmds.end(); ++cmd )
+  {
+    Handle(_pyCommand) addCmd = *cmd;
+    const _pyID& hypID = addCmd->GetArg( 2 );
+    Handle(_pyHypothesis) hyp = theGen->FindHyp( hypID );
+    if ( hyp.IsNull() || hyp->IsAlgo() )
+      continue;
+    const _pyID& geom = addCmd->GetArg( 1 );
+    // find algo created on <geom> for this mesh
+    Handle(_pyHypothesis) algo = theGen->FindAlgo( geom, this->GetID(), hyp->GetType() );
+    //_pyID algoID = algo.IsNull() ? "" : algo->GetID();
+    if ( !algo.IsNull() && hyp->Addition2Creation( addCmd, this->GetID() )) // OK
+    {
+      addCmd->SetObject( algo->GetID() );
+      Handle(_pyCommand) algoCmd = algo2additionCmd[ algo->GetID() ];
+      if ( !algoCmd.IsNull() && algoCmd->GetOrderNb() > addCmd->GetOrderNb() )
+        // algo was created later than hyp
+        theGen->ExchangeCommands( algoCmd, addCmd );
+    }
+    else
+    {
+      AddMeshAccess( addCmd );
+    }
+  }
+
+  // sm = mesh.GetSubMesh(geom, name) --> sm = mesh.GetMesh().GetSubMesh(geom, name)
+  for ( cmd = mySubmeshes.begin(); cmd != mySubmeshes.end(); ++cmd ) {
+    Handle(_pyCommand) subCmd = *cmd;
+    if ( subCmd->GetNbArgs() > 0 )
+      AddMeshAccess( subCmd );
+  }
+  myAddHypCmds.clear();
+  mySubmeshes.clear();
+}
+
+//================================================================================
+/*!
+ * \brief _pyHypothesis constructor
+  * \param theCreationCmd - 
+ */
+//================================================================================
+
+_pyHypothesis::_pyHypothesis(const Handle(_pyCommand)& theCreationCmd):
+  _pyObject( theCreationCmd )
+{
+  myDim = myIsAlgo = /*myIsLocal = */myIsWrapped = myIsConverted = false;
+}
+
+//================================================================================
+/*!
+ * \brief Creates algorithm or hypothesis
+  * \param theCreationCmd - The engine command creating a hypothesis
+  * \retval Handle(_pyHypothesis) - Result _pyHypothesis
+ */
+//================================================================================
+
+Handle(_pyHypothesis) _pyHypothesis::NewHypothesis( const Handle(_pyCommand)& theCreationCmd)
+{
+  // theCreationCmd: CreateHypothesis( "theHypType", "theLibName" )
+  ASSERT (( theCreationCmd->GetMethod() == "CreateHypothesis"));
+
+  Handle(_pyHypothesis) hyp, algo;
+
+  // "theHypType"
+  const TCollection_AsciiString & hypTypeWithQuotes = theCreationCmd->GetArg( 1 );
+  if ( hypTypeWithQuotes.IsEmpty() )
+    return hyp;
+  // theHypType
+  TCollection_AsciiString  hypType =
+    hypTypeWithQuotes.SubString( 2, hypTypeWithQuotes.Length() - 1 );
+
+  algo = new _pyAlgorithm( theCreationCmd );
+  hyp  = new _pyHypothesis( theCreationCmd );
+
+  // 1D Regular_1D ----------
+  if ( hypType == "Regular_1D" ) {
+    algo->myDim = 1;
+    algo->myCreationMethod = "Segment";
+  }
+  else if ( hypType == "LocalLength" ) {
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "LocalLength";
+    hyp->myType = "Regular_1D";
+    hyp->myArgMethods.Append( "SetLength" );
+  }
+  else if ( hypType == "NumberOfSegments" ) {
+    hyp = new _pyNumberOfSegmentsHyp( theCreationCmd );
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "NumberOfSegments";
+    hyp->myType = "Regular_1D";
+    hyp->myArgMethods.Append( "SetNumberOfSegments" );
+    hyp->myArgMethods.Append( "SetScaleFactor" );
+  }
+  else if ( hypType == "Arithmetic1D" ) {
+    hyp = new _pyComplexParamHypo( theCreationCmd );
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "Arithmetic1D";
+    hyp->myType = "Regular_1D";
+  }
+  else if ( hypType == "StartEndLength" ) {
+    hyp = new _pyComplexParamHypo( theCreationCmd );
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "StartEndLength";
+    hyp->myType = "Regular_1D";
+  }
+  else if ( hypType == "Deflection1D" ) {
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "Deflection1D";
+    hyp->myArgMethods.Append( "SetDeflection" );
+    hyp->myType = "Regular_1D";
+  }
+  else if ( hypType == "Propagation" ) {
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "Propagation";
+    hyp->myType = "Regular_1D";
+  }
+  else if ( hypType == "AutomaticLength" ) {
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "AutomaticLength";
+    hyp->myType = "Regular_1D";
+  }
+  // 1D Python_1D ----------
+  else if ( hypType == "Python_1D" ) {
+    algo->myDim = 1;
+    algo->myCreationMethod = "Segment";
+    algo->myArgs.Append( "algo=smesh.PYTHON");
+  }
+  else if ( hypType == "PythonSplit1D" ) {
+    hyp->myDim = 1;
+    hyp->myCreationMethod = "PythonSplit1D";
+    hyp->myType = "Python_1D";
+    hyp->myArgMethods.Append( "SetNumberOfSegments");
+    hyp->myArgMethods.Append( "SetPythonLog10RatioFunction");
+  }
+  // 2D ----------
+  else if ( hypType == "MEFISTO_2D" ) {
+    algo->myDim = 2;
+    algo->myCreationMethod = "Triangle";
+  }
+  else if ( hypType == "MaxElementArea" ) {
+    hyp->myDim = 2;
+    hyp->myCreationMethod = "MaxElementArea";
+    hyp->myType = "MEFISTO_2D";
+    hyp->myArgMethods.Append( "SetMaxElementArea");
+  }
+  else if ( hypType == "LengthFromEdges" ) {
+    hyp->myDim = 2;
+    hyp->myCreationMethod = "LengthFromEdges";
+    hyp->myType = "MEFISTO_2D";
+  }
+  else if ( hypType == "Quadrangle_2D" ) {
+    algo->myDim = 2;
+    algo->myCreationMethod = "Quadrangle";
+  }
+  // 3D ----------
+  else if ( hypType == "NETGEN_3D") {
+    algo->myDim = 3;
+    algo->myCreationMethod = "Tetrahedron";
+    algo->myArgs.Append( "algo=smesh.NETGEN" );
+  }
+  else if ( hypType == "MaxElementVolume") {
+    hyp->myDim = 3;
+    hyp->myCreationMethod = "MaxElementVolume";
+    hyp->myType = "NETGEN_3D";
+    hyp->myArgMethods.Append( "SetMaxElementVolume" );
+  }
+  else if ( hypType == "GHS3D_3D" ) {
+    algo->myDim = 3;
+    algo->myCreationMethod = "Tetrahedron";
+    algo->myArgs.Append( "algo=smesh.GHS3D" );
+  }
+  else if ( hypType == "Hexa_3D" ) {
+    algo->myDim = 3;
+    algo->myCreationMethod = "Hexahedron";
+  }
+
+  if ( algo->GetDim() ) {
+    algo->myType = hypType;
+    return algo;
+  }
+  return hyp;
+}
+
+//================================================================================
+/*!
+ * \brief Convert the command adding a hypothesis to mesh into a smesh command
+  * \param theCmd - The command like mesh.AddHypothesis( geom, hypo )
+  * \param theAlgo - The algo that can create this hypo
+  * \retval bool - false if the command cant be converted
+ */
+//================================================================================
+
+bool _pyHypothesis::Addition2Creation( const Handle(_pyCommand)& theCmd,
+                                       const _pyID&              theMesh)
+{
+  ASSERT(( theCmd->GetMethod() == "AddHypothesis" ));
+
+  if ( !IsWrappable( theMesh ))
+    return false;
+
+  myIsWrapped = true;
+
+  if ( myIsWrapped )
+  {
+    // mesh.AddHypothesis(geom,hyp) --> hyp = theMesh.myCreationMethod(args)
+    theCmd->SetResultValue( GetID() );
+    theCmd->SetObject( theMesh );
+    theCmd->SetMethod( myCreationMethod );
+    // set args
+    theCmd->RemoveArgs();
+    for ( int i = 1; i <= myArgs.Length(); ++i ) {
+      if ( !myArgs( i ).IsEmpty() )
+        theCmd->SetArg( i, myArgs( i ));
+      else
+        theCmd->SetArg( i, "[]");
+    }
+
+    // clear commands setting arg values
+    list < Handle(_pyCommand) >::iterator argCmd = myArgCommands.begin();
+    for ( ; argCmd != myArgCommands.end(); ++argCmd )
+      (*argCmd)->Clear();
+  }
+  else
+  {
+//     // set arg commands after hypo creation
+//     list<Handle(_pyCommand)>::iterator argCmd = myArgCommands.begin();
+//     for ( ; argCmd != myArgCommands.end(); ++argCmd )
+//       if ( !(*argCmd)->IsEmpty() && GetCommandNb() > (*argCmd)->GetOrderNb() )
+//         theGen->ExchangeCommands( GetCreationCmd(), *argCmd );
+  }
+
+  // set unknown arg commands after hypo creation
+  Handle(_pyCommand) afterCmd = myIsWrapped ? theCmd : GetCreationCmd();
+  list<Handle(_pyCommand)>::iterator cmd = myUnknownCommands.begin();
+  for ( ; cmd != myUnknownCommands.end(); ++cmd ) {
+    if ( !(*cmd)->IsEmpty() && afterCmd->GetOrderNb() > (*cmd)->GetOrderNb() ) {
+      theGen->SetCommandAfter( *cmd, afterCmd );
+      afterCmd = *cmd;
+    }
+  }
+  myArgCommands.clear();
+  myUnknownCommands.clear();
+
+  return myIsWrapped;
+}
+
+//================================================================================
+/*!
+ * \brief Remember hypothesis parameter values
+ * \param theCommand - The called hypothesis method
+ */
+//================================================================================
+
+void _pyHypothesis::Process( const Handle(_pyCommand)& theCommand)
+{
+  ASSERT( !myIsAlgo );
+  // set args
+  for ( int i = 1; i <= myArgMethods.Length(); ++i ) {
+    if ( myArgMethods( i ) == theCommand->GetMethod() ) {
+      while ( myArgs.Length() < i )
+        myArgs.Append( "[]" );
+      myArgs( i ) = theCommand->GetArg( 1 ); // arg value
+      myArgCommands.push_back( theCommand );
+      return;
+    }
+  }
+  myUnknownCommands.push_back( theCommand );
+}
+
+//================================================================================
+/*!
+ * \brief Finish conversion
+ */
+//================================================================================
+
+void _pyHypothesis::Flush()
+{
+  if ( IsWrapped() )
+    GetCreationCmd()->Clear();
+}
+
+//================================================================================
+/*!
+ * \brief Remember hypothesis parameter values
+  * \param theCommand - The called hypothesis method
+ */
+//================================================================================
+
+void _pyComplexParamHypo::Process( const Handle(_pyCommand)& theCommand)
+{
+  // ex: hyp.SetLength(start, 1)
+  //     hyp.SetLength(end,   0)
+  ASSERT(( theCommand->GetMethod() == "SetLength" ));
+  ASSERT(( theCommand->GetArg( 2 ).IsIntegerValue() ));
+  int i = 2 - theCommand->GetArg( 2 ).IntegerValue();
+  while ( myArgs.Length() < i )
+    myArgs.Append( "[]" );
+  myArgs( i ) = theCommand->GetArg( 1 ); // arg value
+  myArgCommands.push_back( theCommand );
+}
+
+//================================================================================
+/*!
+ * \brief additionally to Addition2Creation, clears SetDistrType() command
+  * \param theCmd - AddHypothesis() command
+  * \param theMesh - mesh to which a hypothesis is added
+  * \retval bool - convertion result
+ */
+//================================================================================
+
+bool _pyNumberOfSegmentsHyp::Addition2Creation( const Handle(_pyCommand)& theCmd,
+                                                const _pyID&              theMesh)
+{
+  if ( IsWrappable( theMesh ) && myArgs.Length() > 1 ) {
+    list<Handle(_pyCommand)>::iterator cmd = myUnknownCommands.begin();
+    for ( ; cmd != myUnknownCommands.end(); ++cmd ) {
+      // clear SetDistrType()
+      if ( (*cmd)->GetString().Location( "SetDistrType", 1, (*cmd)->Length() ))
+        (*cmd)->Clear();
+    }
+  }
+  return _pyHypothesis::Addition2Creation( theCmd, theMesh );
+}
+
+//================================================================================
+/*!
+ * \brief _pyAlgorithm constructor
+  * \param theCreationCmd - The command like "algo = smeshgen.CreateHypothesis(type,lib)"
+ */
+//================================================================================
+
+_pyAlgorithm::_pyAlgorithm(const Handle(_pyCommand)& theCreationCmd)
+  : _pyHypothesis( theCreationCmd )
+{
+  myIsAlgo = true;
+}
+
+//================================================================================
+/*!
+ * \brief Convert the command adding an algorithm to mesh
+  * \param theCmd - The command like mesh.AddHypothesis( geom, algo )
+  * \param theMesh - The mesh needing this algo 
+  * \retval bool - false if the command cant be converted
+ */
+//================================================================================
+  
+bool _pyAlgorithm::Addition2Creation( const Handle(_pyCommand)& theCmd,
+                                      const _pyID&              theMeshID)
+{
+  if ( IsWrappable( theMeshID )) {
+
+    myGeom = theCmd->GetArg( 1 );
+
+    // mesh.AddHypothesis(geom,algo) --> theMeshID.myCreationMethod()
+    if ( _pyHypothesis::Addition2Creation( theCmd, theMeshID )) {
+      theGen->SetAccessorMethod( GetID(), "GetAlgorithm()" );
+      return true;
+    }
+  }
+  return false;
+}
+
+//================================================================================
+/*!
+ * \brief Return starting position of a part of python command
+  * \param thePartIndex - The index of command part
+  * \retval int - Part position
+ */
+//================================================================================
+
+int _pyCommand::GetBegPos( int thePartIndex )
+{
+  if ( IsEmpty() )
+    return EMPTY;
+  if ( myBegPos.Length() < thePartIndex )
+    return UNKNOWN;
+  return myBegPos( thePartIndex );
+}
+
+//================================================================================
+/*!
+ * \brief Store starting position of a part of python command
+  * \param thePartIndex - The index of command part
+  * \param thePosition - Part position
+ */
+//================================================================================
+
+void _pyCommand::SetBegPos( int thePartIndex, int thePosition )
+{
+  while ( myBegPos.Length() < thePartIndex )
+    myBegPos.Append( UNKNOWN );
+  myBegPos( thePartIndex ) = thePosition;
+}
+
+//================================================================================
+/*!
+ * \brief Return substring of python command looking like ResultValue = Obj.Meth()
+  * \retval const TCollection_AsciiString & - ResultValue substring
+ */
+//================================================================================
+
+const TCollection_AsciiString & _pyCommand::GetResultValue()
+{
+  if ( GetBegPos( RESULT_IND ) == UNKNOWN )
+  {
+    int begPos = myString.Location( "=", 1, Length() );
+    if ( begPos )
+      myRes = GetWord( myString, begPos, false );
+    else
+      begPos = EMPTY;
+    SetBegPos( RESULT_IND, begPos );
+  }
+  return myRes;
+}
+
+//================================================================================
+/*!
+ * \brief Return substring of python command looking like ResVal = Object.Meth()
+  * \retval const TCollection_AsciiString & - Object substring
+ */
+//================================================================================
+
+const TCollection_AsciiString & _pyCommand::GetObject()
+{
+  if ( GetBegPos( OBJECT_IND ) == UNKNOWN )
+  {
+    // beginning
+    int begPos = GetBegPos( RESULT_IND ) + myRes.Length();
+    if ( begPos < 1 )
+      begPos = myString.Location( "=", 1, Length() ) + 1;
+    // store
+    myObj = GetWord( myString, begPos, true );
+    SetBegPos( OBJECT_IND, begPos );
+  }
+  //SCRUTE(myObj);
+  return myObj;
+}
+
+//================================================================================
+/*!
+ * \brief Return substring of python command looking like ResVal = Obj.Method()
+  * \retval const TCollection_AsciiString & - Method substring
+ */
+//================================================================================
+
+const TCollection_AsciiString & _pyCommand::GetMethod()
+{
+  if ( GetBegPos( METHOD_IND ) == UNKNOWN )
+  {
+    // beginning
+    int begPos = GetBegPos( OBJECT_IND ) + myObj.Length();
+    bool forward = true;
+    if ( begPos < 1 ) {
+      begPos = myString.Location( "(", 1, Length() ) - 1;
+      forward = false;
+    }
+    // store
+    myMeth = GetWord( myString, begPos, forward );
+    SetBegPos( METHOD_IND, begPos );
+  }
+  //SCRUTE(myMeth);
+  return myMeth;
+}
+
+//================================================================================
+/*!
+ * \brief Return substring of python command looking like ResVal = Obj.Meth(Arg1,...)
+  * \retval const TCollection_AsciiString & - Arg<index> substring
+ */
+//================================================================================
+
+const TCollection_AsciiString & _pyCommand::GetArg( int index )
+{
+  if ( GetBegPos( ARG1_IND ) == UNKNOWN )
+  {
+    // find all args
+    int begPos = GetBegPos( METHOD_IND ) + myMeth.Length();
+    if ( begPos < 1 )
+      begPos = myString.Location( "(", 1, Length() ) + 1;
+
+    int i = 0, prevLen = 0;
+    while ( begPos != EMPTY ) {
+      begPos += prevLen;
+      // check if we are looking at the closing parenthesis
+      while ( begPos <= Length() && isspace( myString.Value( begPos )))
+        ++begPos;
+      if ( begPos > Length() || myString.Value( begPos ) == ')' )
+        break;
+      myArgs.Append( GetWord( myString, begPos, true, true ));
+      SetBegPos( ARG1_IND + i, begPos );
+      prevLen = myArgs.Last().Length();
+      if ( prevLen == 0 )
+        myArgs.Remove( myArgs.Length() ); // no more args
+      i++;
+    }
+  }
+  if ( myArgs.Length() < index )
+    return theEmptyString;
+  return myArgs( index );
+}
+
+//================================================================================
+/*!
+ * \brief Check if char is a word part
+  * \param c - The character to check
+  * \retval bool - The check result
+ */
+//================================================================================
+
+static inline bool isWord(const char c, const bool dotIsWord)
+{
+  return
+    !isspace(c) && c != ',' && c != '=' && c != ')' && c != '(' && ( dotIsWord || c != '.');
+}
+
+//================================================================================
+/*!
+ * \brief Looks for a word in the string and returns word's beginning
+  * \param theString - The input string
+  * \param theStartPos - The position to start the search, returning word's beginning
+  * \param theForward - The search direction
+  * \retval TCollection_AsciiString - The found word
+ */
+//================================================================================
+
+TCollection_AsciiString _pyCommand::GetWord( const TCollection_AsciiString & theString,
+                                            int &      theStartPos,
+                                            const bool theForward,
+                                            const bool dotIsWord )
+{
+  int beg = theStartPos, end = theStartPos;
+  theStartPos = EMPTY;
+  if ( beg < 1 || beg > theString.Length() )
+    return theEmptyString;
+
+  if ( theForward ) { // search forward
+    // beg
+    while ( beg <= theString.Length() && !isWord( theString.Value( beg ), dotIsWord))
+      ++beg;
+    if ( beg > theString.Length() )
+      return theEmptyString; // no word found
+    // end
+    end = beg + 1;
+    while ( end <= theString.Length() && isWord( theString.Value( end ), dotIsWord))
+      ++end;
+    --end;
+  }
+  else {  // search backward
+    // end
+    while ( end > 0 && !isWord( theString.Value( end ), dotIsWord))
+      --end;
+    if ( end == 0 )
+      return theEmptyString; // no word found
+    beg = end - 1;
+    while ( beg > 0 && isWord( theString.Value( beg ), dotIsWord))
+      --beg;
+    ++beg;
+  }
+  theStartPos = beg;
+  //cout << theString << " ---- " << beg << " - " << end << endl;
+  return theString.SubString( beg, end );
+}
+
+//================================================================================
+/*!
+ * \brief Look for position where not space char is
+  * \param theString - The string 
+  * \param thePos - The position to search from and which returns result
+  * \retval bool - false if there are only space after thePos in theString
+ * 
+ * 
+ */
+//================================================================================
+
+bool _pyCommand::SkipSpaces( const TCollection_AsciiString & theString, int & thePos )
+{
+  if ( thePos < 1 || thePos > theString.Length() )
+    return false;
+
+  while ( thePos <= theString.Length() && isspace( theString.Value( thePos )))
+    ++thePos;
+
+  return thePos <= theString.Length();
+}
+
+//================================================================================
+/*!
+ * \brief Modify a part of the command
+  * \param thePartIndex - The index of the part
+  * \param thePart - The new part string
+  * \param theOldPart - The old part
+ */
+//================================================================================
+
+void _pyCommand::SetPart(int thePartIndex, const TCollection_AsciiString& thePart,
+                        TCollection_AsciiString& theOldPart)
+{
+  int pos = GetBegPos( thePartIndex );
+  if ( pos <= Length() && theOldPart != thePart)
+  {
+    TCollection_AsciiString seperator;
+    if ( pos < 1 ) {
+      pos = GetBegPos( thePartIndex + 1 );
+      if ( pos < 1 ) return;
+      switch ( thePartIndex ) {
+      case RESULT_IND: seperator = " = "; break;
+      case OBJECT_IND: seperator = "."; break;
+      case METHOD_IND: seperator = "()"; break;
+      default:;
+      }
+    }      
+    myString.Remove( pos, theOldPart.Length() );
+    if ( !seperator.IsEmpty() )
+      myString.Insert( pos , seperator );
+    myString.Insert( pos, thePart );
+    // update starting positions of the following parts
+    int posDelta = thePart.Length() + seperator.Length() - theOldPart.Length();
+    for ( int i = thePartIndex + 1; i <= myBegPos.Length(); ++i ) {
+      if ( myBegPos( i ) > 0 )
+        myBegPos( i ) += posDelta;
+    }
+    theOldPart = thePart;
+  }
+}
+
+//================================================================================
+/*!
+ * \brief Set agrument
+  * \param index - The argument index, it counts from 1
+  * \param theArg - The argument string
+ */
+//================================================================================
+
+void _pyCommand::SetArg( int index, const TCollection_AsciiString& theArg)
+{
+  FindAllArgs();
+  int argInd = ARG1_IND + index - 1;
+  int pos = GetBegPos( argInd );
+  if ( pos < 1 ) // no index-th arg exist, append inexistent args
+  {
+    // find a closing parenthesis
+    pos = Length();
+    while ( pos > 0 && myString.Value( pos ) != ')' )
+      --pos;
+    if ( pos == 0 ) { // no parentheses at all
+      myString += "()";
+      pos = Length();
+    }
+    while ( myArgs.Length() < index ) {
+      if ( myArgs.Length() )
+        myString.Insert( pos++, "," );
+      myArgs.Append("None");
+      myString.Insert( pos, myArgs.Last() );
+      SetBegPos( ARG1_IND + myArgs.Length() - 1, pos );
+      pos += myArgs.Last().Length();
+    }
+  }
+  SetPart( argInd, theArg, myArgs( index ));
+}
+
+//================================================================================
+/*!
+ * \brief Empty arg list
+ */
+//================================================================================
+
+void _pyCommand::RemoveArgs()
+{
+  if ( int pos = myString.Location( '(', 1, Length() ))
+    myString.Trunc( pos );
+  myString += ")";
+  myArgs.Clear();
+  if ( myBegPos.Length() >= ARG1_IND )
+    myBegPos.Remove( ARG1_IND, myBegPos.Length() );
+}
diff --git a/src/SMESH_I/SMESH_2smeshpy.hxx b/src/SMESH_I/SMESH_2smeshpy.hxx
new file mode 100644
index 000000000..3ee180684
--- /dev/null
+++ b/src/SMESH_I/SMESH_2smeshpy.hxx
@@ -0,0 +1,251 @@
+// File      : SMESH_smesh.hxx
+// Created   : Fri Nov 18 12:05:18 2005
+// Author    : Edward AGAPOV (eap)
+
+#ifndef SMESH_smesh_HeaderFile
+#define SMESH_smesh_HeaderFile
+
+#include <Standard_DefineHandle.hxx>
+#include <Standard_Type.hxx>
+#include <Standard_Transient.hxx>
+#include <TCollection_AsciiString.hxx>
+#include <TColStd_SequenceOfAsciiString.hxx>
+#include <TColStd_SequenceOfInteger.hxx>
+
+#include <list>
+#include <map>
+
+/*!
+ * \brief Tool converting SMESH engine calls into commands defined in smesh.py
+ *
+ * This file was created in order to respond to requirement of bug PAL10494:
+ * SMESH python dump uses idl interface.
+ *
+ * The creation reason is that smesh.py commands defining hypotheses encapsulate
+ * several SMESH engine method calls. As well, the dependencies between smesh.py
+ * classes differ from ones between SMESH IDL interfaces.
+ * 
+ * The only API method here is SMESH_2smeshpy::ConvertScript(), the rest ones are
+ * for internal usage
+ */
+
+class Resource_DataMapOfAsciiStringAsciiString;
+
+class SMESH_2smeshpy
+{
+public:
+  /*!
+   * \brief Convert a python script using commands of smesh.py
+   * \param theScript - Input script
+   * \param theEntry2AccessorMethod - The returning method names to access to
+   *        objects wrapped with python class
+   * \retval TCollection_AsciiString - Convertion result
+   */
+  static TCollection_AsciiString
+  ConvertScript(const TCollection_AsciiString& theScript,
+                Resource_DataMapOfAsciiStringAsciiString& theEntry2AccessorMethod);
+
+  /*!
+   * \brief Return the name of the python file wrapping IDL API
+    * \retval TCollection_AsciiString - The file name
+   */
+  static char* SmeshpyName() { return "smesh"; }
+  static char* GenName() { return "smesh.smesh"; }
+};
+
+// =====================
+//    INTERNAL STUFF
+// =====================
+
+class _pyCommand;
+class _pyObject;
+class _pyGen;
+class _pyMesh;
+class _pyHypothesis;
+class _pyAlgorithm;
+
+DEFINE_STANDARD_HANDLE (_pyCommand   ,Standard_Transient);
+DEFINE_STANDARD_HANDLE (_pyObject    ,Standard_Transient);
+DEFINE_STANDARD_HANDLE (_pyGen       ,_pyObject);
+DEFINE_STANDARD_HANDLE (_pyMesh      ,_pyObject);
+DEFINE_STANDARD_HANDLE (_pyHypothesis,_pyObject);
+DEFINE_STANDARD_HANDLE (_pyAlgorithm ,_pyHypothesis);
+
+/*!
+ * \brief Class operating on a command string looking like
+ *        ResultValue = Object.Method( Arg1, Arg2,...)
+ */
+class _pyCommand: public Standard_Transient
+{
+  int myOrderNb; // position within the script
+  TCollection_AsciiString myString;
+  TCollection_AsciiString myRes, myObj, myMeth;
+  TColStd_SequenceOfAsciiString myArgs;
+  TColStd_SequenceOfInteger myBegPos; //!< where myRes, myObj, ... begin
+  enum { UNKNOWN=-1, EMPTY=0, RESULT_IND, OBJECT_IND, METHOD_IND, ARG1_IND };
+  int GetBegPos( int thePartIndex );
+  void SetBegPos( int thePartIndex, int thePosition );
+  void SetPart( int thePartIndex, const TCollection_AsciiString& theNewPart,
+                TCollection_AsciiString& theOldPart);
+  void FindAllArgs() { GetArg(1); }
+public:
+  _pyCommand() {};
+  _pyCommand( const TCollection_AsciiString& theString, int theNb )
+    : myString( theString ), myOrderNb( theNb ) {};
+  TCollection_AsciiString & GetString() { return myString; }
+  int GetOrderNb() const { return myOrderNb; }
+  void SetOrderNb( int theNb ) { myOrderNb = theNb; }
+  int Length() { return myString.Length(); }
+  void Clear() { myString.Clear(); myBegPos.Clear(); }
+  bool IsEmpty() const { return myString.IsEmpty(); }
+  const TCollection_AsciiString & GetResultValue();
+  const TCollection_AsciiString & GetObject();
+  const TCollection_AsciiString & GetMethod();
+  const TCollection_AsciiString & GetArg( int index );
+  int GetNbArgs() { FindAllArgs(); return myArgs.Length(); }
+  //Handle(TColStd_HSequenceOfAsciiString) GetArgs();
+  void SetResultValue( const TCollection_AsciiString& theResult )
+  { GetResultValue(); SetPart( RESULT_IND, theResult, myRes ); }
+  void SetObject(const TCollection_AsciiString& theObject)
+  { GetObject(); SetPart( OBJECT_IND, theObject, myObj ); }
+  void SetMethod(const TCollection_AsciiString& theMethod)
+  { GetMethod(); SetPart( METHOD_IND, theMethod, myMeth ); }
+  void SetArg( int index, const TCollection_AsciiString& theArg);
+  void RemoveArgs();
+  static bool SkipSpaces( const TCollection_AsciiString & theSring, int & thePos );
+  static TCollection_AsciiString GetWord( const TCollection_AsciiString & theSring,
+                                          int & theStartPos, const bool theForward,
+                                          const bool dotIsWord = false);
+};
+
+/*!
+ * \brief Root of all objects
+ */
+typedef TCollection_AsciiString _pyID;
+
+class _pyObject: public Standard_Transient
+{
+  Handle(_pyCommand) myCreationCmd;
+public:
+  _pyObject(const Handle(_pyCommand)& theCreationCmd): myCreationCmd(theCreationCmd) {}
+  const _pyID& GetID() { return myCreationCmd->GetResultValue(); }
+  const Handle(_pyCommand)& GetCreationCmd() { return myCreationCmd; }
+  int GetCommandNb() { return myCreationCmd->GetOrderNb(); }
+  virtual void Process(const Handle(_pyCommand) & theCommand) = 0;
+  virtual void Flush() = 0;
+};
+
+/*!
+ * \brief Class corresponding to SMESH_Gen. It holds info on existing
+ *        meshes and hypotheses
+ */
+class _pyGen: public _pyObject
+{
+public:
+  _pyGen(Resource_DataMapOfAsciiStringAsciiString& theEntry2AccessorMethod);
+  //~_pyGen();
+  void AddCommand( const TCollection_AsciiString& theCommand );
+  void Process( const Handle(_pyCommand)& theCommand );
+  void Flush();
+  Handle(_pyHypothesis) FindHyp( const _pyID& theHypID );
+  Handle(_pyHypothesis) FindAlgo( const _pyID& theGeom, const _pyID& theMesh,
+                                 const TCollection_AsciiString& theAlgoType);
+  void ExchangeCommands( Handle(_pyCommand) theCmd1, Handle(_pyCommand) theCmd2 );
+  void SetCommandAfter( Handle(_pyCommand) theCmd, Handle(_pyCommand) theAfterCmd );
+  std::list< Handle(_pyCommand) >& GetCommands() { return myCommands; }
+  void SetAccessorMethod(const _pyID& theID, const char* theMethod );
+private:
+  std::map< _pyID, Handle(_pyMesh) > myMeshes;
+  std::list< Handle(_pyHypothesis) > myHypos;
+  std::list< Handle(_pyCommand) >    myCommands;
+  int                                myNbCommands;
+  Resource_DataMapOfAsciiStringAsciiString& myID2AccessorMethod;
+};
+
+/*!
+ * \brief Contains commands concerning mesh substructures
+ */
+class _pyMesh: public _pyObject
+{
+  std::list< Handle(_pyCommand) > myAddHypCmds;
+  std::list< Handle(_pyCommand) > mySubmeshes; 
+public:
+  _pyMesh(const Handle(_pyCommand) theCreationCmd);
+  const _pyID& GetGeom() { return GetCreationCmd()->GetArg(1); }
+  void Process( const Handle(_pyCommand)& theCommand);
+  void Flush();
+private:
+  static void AddMeshAccess( const Handle(_pyCommand)& theCommand )
+  { theCommand->SetObject( theCommand->GetObject() + ".GetMesh()" ); }
+};
+
+/*!
+ * \brief Root class for smesh.Mesh_Algorithm
+ */
+class _pyHypothesis: public _pyObject
+{
+protected:
+  bool    myIsAlgo, /*myIsLocal, */myIsWrapped, myIsConverted;
+  int     myDim, myAdditionCmdNb;
+  _pyID    myGeom, myMesh;
+  TCollection_AsciiString       myCreationMethod, myType;
+  TColStd_SequenceOfAsciiString myArgs;
+  TColStd_SequenceOfAsciiString myArgMethods;
+  std::list<Handle(_pyCommand)>  myArgCommands;
+  std::list<Handle(_pyCommand)>  myUnknownCommands;
+public:
+  _pyHypothesis(const Handle(_pyCommand)& theCreationCmd);
+  virtual bool IsAlgo() const { return myIsAlgo; }
+  bool IsWrapped() const { return myIsWrapped; }
+  bool & IsConverted() { return myIsConverted; }
+  int GetDim() const { return myDim; }
+  const _pyID & GetGeom() const { return myGeom; }
+  void SetMesh( const _pyID& theMeshId) { if ( myMesh.IsEmpty() ) myMesh = theMeshId; }
+  const _pyID & GetMesh() const { return myMesh; }
+  const TCollection_AsciiString GetType() { return myType; }
+  bool IsWrappable(const _pyID& theMesh) { return !myIsWrapped && myMesh == theMesh; }
+  virtual bool Addition2Creation( const Handle(_pyCommand)& theAdditionCmd,
+                                  const _pyID&              theMesh);
+  static Handle(_pyHypothesis) NewHypothesis( const Handle(_pyCommand)& theCreationCmd);
+  //     bool HasMesh() const { return !myMesh.IsEmpty(); }
+  //     void SetGeom( const _pyID& theGeomID ) { myGeom = theGeomID; }
+  void Process( const Handle(_pyCommand)& theCommand);
+  void Flush();
+};
+
+/*!
+ * \brief Class for hypotheses having several parameters modified by one method
+ */
+class _pyComplexParamHypo: public _pyHypothesis
+{
+public:
+  _pyComplexParamHypo(const Handle(_pyCommand)& theCreationCmd): _pyHypothesis(theCreationCmd) {}
+  void Process( const Handle(_pyCommand)& theCommand);
+};
+DEFINE_STANDARD_HANDLE (_pyComplexParamHypo, _pyHypothesis);
+
+
+/*!
+ * \brief Class representing NumberOfSegments hypothesis
+ */
+class _pyNumberOfSegmentsHyp: public _pyHypothesis
+{
+public:
+  _pyNumberOfSegmentsHyp(const Handle(_pyCommand)& theCrCmd): _pyHypothesis(theCrCmd) {}
+  virtual bool Addition2Creation( const Handle(_pyCommand)& theAdditionCmd,
+                                  const _pyID&              theMesh);
+};
+DEFINE_STANDARD_HANDLE (_pyNumberOfSegmentsHyp, _pyHypothesis);
+
+/*!
+ * \brief Class representing smesh.Mesh_Algorithm
+ */
+class _pyAlgorithm: public _pyHypothesis
+{
+public:
+  _pyAlgorithm(const Handle(_pyCommand)& theCreationCmd);
+  virtual bool Addition2Creation( const Handle(_pyCommand)& theAdditionCmd,
+                                  const _pyID&              theMesh);
+};
+
+#endif