src/runtime/PythonNode.cxx

   1 // Copyright (C) 2006-2016  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "RuntimeSALOME.hxx"
  21 #include "PythonNode.hxx"
  22 #include "PythonPorts.hxx"
  23 #include "TypeCode.hxx"
  24 #include "AutoGIL.hxx"
  25 #include "Container.hxx"
  26 #include "SalomeContainer.hxx"
  27 #include "SalomeHPContainer.hxx"
  28 #include "SalomeContainerTmpForHP.hxx"
  29 #include "ConversionException.hxx"
  30
  31 #include "PyStdout.hxx"
  32 #include <iostream>
  33 #include <sstream>
  34 #include <fstream>
  35
  36 #ifdef WIN32
  37 #include <process.h>
  38 #define getpid _getpid
  39 #endif
  40
  41 #if PY_VERSION_HEX < 0x02050000
  42 typedef int Py_ssize_t;
  43 #endif
  44
  45 //#define _DEVDEBUG_
  46 #include "YacsTrace.hxx"
  47
  48 using namespace YACS::ENGINE;
  49 using namespace std;
  50
  51 const char PythonEntry::SCRIPT_FOR_SIMPLE_SERIALIZATION[]="import pickle\n"
  52     "def pickleForVarSimplePyth2009(val):\n"
  53     "  return pickle.dumps(val,-1)\n"
  54     "\n";
  55
  56 const char PythonNode::IMPL_NAME[]="Python";
  57 const char PythonNode::KIND[]="Python";
  58
  59 const char PythonNode::SCRIPT_FOR_SERIALIZATION[]="import pickle\n"
  60     "def pickleForDistPyth2009(kws):\n"
  61     "  return pickle.dumps(((),kws),-1)\n"
  62     "\n"
  63     "def unPickleForDistPyth2009(st):\n"
  64     "  args=pickle.loads(st)\n"
  65     "  return args\n";
  66
  67 const char PythonNode::REMOTE_NAME[]="remote";
  68
  69 const char PythonNode::DPL_INFO_NAME[]="my_dpl_localization";
  70
  71 const char PyFuncNode::SCRIPT_FOR_SERIALIZATION[]="import pickle\n"
  72     "def pickleForDistPyth2009(*args,**kws):\n"
  73     "  return pickle.dumps((args,kws),-1)\n"
  74     "\n"
  75     "def unPickleForDistPyth2009(st):\n"
  76     "  args=pickle.loads(st)\n"
  77     "  return args\n";
  78
  79
  80 PythonEntry::PythonEntry():_context(0),_pyfuncSer(0),_pyfuncUnser(0),_pyfuncSimpleSer(0)
  81 {
  82 }
  83
  84 PythonEntry::~PythonEntry()
  85 {
  86   AutoGIL agil;
  87   DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
  88   // not Py_XDECREF of _pyfuncUnser because it is returned by PyDict_GetItem -> borrowed
  89   // not Py_XDECREF of _pyfuncSer because it is returned by PyDict_GetItem -> borrowed
  90   Py_XDECREF(_context);
  91 }
  92
  93 void PythonEntry::commonRemoteLoadPart1(InlineNode *reqNode)
  94 {
  95   DEBTRACE( "---------------PythonEntry::CommonRemoteLoad function---------------" );
  96   Container *container(reqNode->getContainer());
  97   bool isContAlreadyStarted(false);
  98   if(container)
  99     {
 100       isContAlreadyStarted=container->isAlreadyStarted(reqNode);
 101       if(!isContAlreadyStarted)
 102         {
 103           try
 104           {
 105               container->start(reqNode);
 106           }
 107           catch(Exception& e)
 108           {
 109               reqNode->setErrorDetails(e.what());
 110               throw e;
 111           }
 112         }
 113     }
 114   else
 115     {
 116       std::string what("PythonEntry::CommonRemoteLoad : a load operation requested on \"");
 117       what+=reqNode->getName(); what+="\" with no container specified.";
 118       reqNode->setErrorDetails(what);
 119       throw Exception(what);
 120     }
 121 }
 122
 123 Engines::Container_var PythonEntry::commonRemoteLoadPart2(InlineNode *reqNode, bool& isInitializeRequested)
 124 {
 125   Container *container(reqNode->getContainer());
 126   Engines::Container_var objContainer=Engines::Container::_nil();
 127   if(!container)
 128     throw Exception("No container specified !");
 129   SalomeContainer *containerCast0(dynamic_cast<SalomeContainer *>(container));
 130   SalomeHPContainerBase *containerCast1(dynamic_cast<SalomeHPContainerBase *>(container));
 131   if(containerCast0)
 132     objContainer=containerCast0->getContainerPtr(reqNode);
 133   else if(containerCast1)
 134     {
 135       objContainer=containerCast1->getContainerPtr(reqNode);
 136     }
 137   else
 138     throw Exception("Unrecognized type of container ! Salome one is expected for PythonNode/PyFuncNode !");
 139   if(CORBA::is_nil(objContainer))
 140     throw Exception("Container corba pointer is NULL for PythonNode !");
 141   isInitializeRequested=false;
 142   try
 143   {
 144       if(containerCast0)
 145         {
 146           createRemoteAdaptedPyInterpretor(objContainer);
 147         }
 148       else
 149         {
 150           Engines::PyNodeBase_var dftPyScript(retrieveDftRemotePyInterpretorIfAny(objContainer));
 151           if(CORBA::is_nil(dftPyScript))
 152             {
 153               isInitializeRequested=true;
 154               createRemoteAdaptedPyInterpretor(objContainer);
 155             }
 156           else
 157             assignRemotePyInterpretor(dftPyScript);
 158         }
 159   }
 160   catch( const SALOME::SALOME_Exception& ex )
 161   {
 162       std::string msg="Exception on remote python node creation ";
 163       msg += '\n';
 164       msg += ex.details.text.in();
 165       reqNode->setErrorDetails(msg);
 166       throw Exception(msg);
 167   }
 168   Engines::PyNodeBase_var pynode(getRemoteInterpreterHandle());
 169   if(CORBA::is_nil(pynode))
 170     throw Exception("In PythonNode the ref in NULL ! ");
 171   return objContainer;
 172 }
 173
 174 void PythonEntry::commonRemoteLoadPart3(InlineNode *reqNode, Engines::Container_ptr objContainer, bool isInitializeRequested)
 175 {
 176   Container *container(reqNode->getContainer());
 177   Engines::PyNodeBase_var pynode(getRemoteInterpreterHandle());
 178   ///
 179   {
 180     AutoGIL agil;
 181     const char *picklizeScript(getSerializationScript());
 182     PyObject *res=PyRun_String(picklizeScript,Py_file_input,_context,_context);
 183     PyObject *res2(PyRun_String(SCRIPT_FOR_SIMPLE_SERIALIZATION,Py_file_input,_context,_context));
 184     if(res == NULL || res2==NULL)
 185       {
 186         std::string errorDetails;
 187         PyObject* new_stderr = newPyStdOut(errorDetails);
 188         reqNode->setErrorDetails(errorDetails);
 189         PySys_SetObject((char*)"stderr", new_stderr);
 190         PyErr_Print();
 191         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 192         Py_DECREF(new_stderr);
 193         throw Exception("Error during load");
 194       }
 195     Py_DECREF(res); Py_DECREF(res2);
 196     _pyfuncSer=PyDict_GetItemString(_context,"pickleForDistPyth2009");
 197     _pyfuncUnser=PyDict_GetItemString(_context,"unPickleForDistPyth2009");
 198     _pyfuncSimpleSer=PyDict_GetItemString(_context,"pickleForVarSimplePyth2009");
 199     if(_pyfuncSer == NULL)
 200       {
 201         std::string errorDetails;
 202         PyObject *new_stderr(newPyStdOut(errorDetails));
 203         reqNode->setErrorDetails(errorDetails);
 204         PySys_SetObject((char*)"stderr", new_stderr);
 205         PyErr_Print();
 206         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 207         Py_DECREF(new_stderr);
 208         throw Exception("Error during load");
 209       }
 210     if(_pyfuncUnser == NULL)
 211       {
 212         std::string errorDetails;
 213         PyObject *new_stderr(newPyStdOut(errorDetails));
 214         reqNode->setErrorDetails(errorDetails);
 215         PySys_SetObject((char*)"stderr", new_stderr);
 216         PyErr_Print();
 217         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 218         Py_DECREF(new_stderr);
 219         throw Exception("Error during load");
 220       }
 221     if(_pyfuncSimpleSer == NULL)
 222       {
 223         std::string errorDetails;
 224         PyObject *new_stderr(newPyStdOut(errorDetails));
 225         reqNode->setErrorDetails(errorDetails);
 226         PySys_SetObject((char*)"stderr", new_stderr);
 227         PyErr_Print();
 228         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 229         Py_DECREF(new_stderr);
 230         throw Exception("Error during load");
 231       }
 232   }
 233   if(isInitializeRequested)
 234     {//This one is called only once at initialization in the container if an init-script is specified.
 235       try
 236       {
 237           std::string zeInitScriptKey(container->getProperty(HomogeneousPoolContainer::INITIALIZE_SCRIPT_KEY));
 238           if(!zeInitScriptKey.empty())
 239             pynode->executeAnotherPieceOfCode(zeInitScriptKey.c_str());
 240       }
 241       catch( const SALOME::SALOME_Exception& ex )
 242       {
 243           std::string msg="Exception on PythonNode::loadRemote python invocation of initializisation py script !";
 244           msg += '\n';
 245           msg += ex.details.text.in();
 246           reqNode->setErrorDetails(msg);
 247           throw Exception(msg);
 248       }
 249       DEBTRACE( "---------------End PyNode::loadRemote function---------------" );
 250     }
 251 }
 252
 253 std::string PythonEntry::GetContainerLog(const std::string& mode, Container *container, const Task *askingTask)
 254 {
 255   if(mode=="local")
 256     return "";
 257
 258   std::string msg;
 259   try
 260   {
 261       SalomeContainer *containerCast(dynamic_cast<SalomeContainer *>(container));
 262       SalomeHPContainer *objContainer2(dynamic_cast<SalomeHPContainer *>(container));
 263       if(containerCast)
 264         {
 265           Engines::Container_var objContainer(containerCast->getContainerPtr(askingTask));
 266           CORBA::String_var logname = objContainer->logfilename();
 267           DEBTRACE(logname);
 268           msg=logname;
 269           std::string::size_type pos = msg.find(":");
 270           msg=msg.substr(pos+1);
 271         }
 272       else if(objContainer2)
 273         {
 274           msg="Remote PythonNode is on HP Container : no log because no info of the location by definition of HP Container !";
 275         }
 276       else
 277         {
 278           msg="Not implemented yet for container log for that type of container !";
 279         }
 280   }
 281   catch(...)
 282   {
 283       msg = "Container no longer reachable";
 284   }
 285   return msg;
 286 }
 287
 288 void PythonEntry::commonRemoteLoad(InlineNode *reqNode)
 289 {
 290   commonRemoteLoadPart1(reqNode);
 291   bool isInitializeRequested;
 292   Engines::Container_var objContainer(commonRemoteLoadPart2(reqNode,isInitializeRequested));
 293   commonRemoteLoadPart3(reqNode,objContainer,isInitializeRequested);
 294 }
 295
 296 PythonNode::PythonNode(const PythonNode& other, ComposedNode *father):InlineNode(other,father)
 297 {
 298   _implementation=IMPL_NAME;
 299   {
 300     AutoGIL agil;
 301     _context=PyDict_New();
 302     if( PyDict_SetItemString( _context, "__builtins__", getSALOMERuntime()->getBuiltins() ))
 303       {
 304         stringstream msg;
 305         msg << "Impossible to set builtins" << __FILE__ << ":" << __LINE__;
 306         _errorDetails=msg.str();
 307         throw Exception(msg.str());
 308       }
 309   }
 310 }
 311
 312 PythonNode::PythonNode(const std::string& name):InlineNode(name)
 313 {
 314   _implementation=IMPL_NAME;
 315   {
 316     AutoGIL agil;
 317     _context=PyDict_New();
 318     if( PyDict_SetItemString( _context, "__builtins__", getSALOMERuntime()->getBuiltins() ))
 319       {
 320         stringstream msg;
 321         msg << "Impossible to set builtins" << __FILE__ << ":" << __LINE__;
 322         _errorDetails=msg.str();
 323         throw Exception(msg.str());
 324       }
 325   }
 326 }
 327
 328 PythonNode::~PythonNode()
 329 {
 330   if(!CORBA::is_nil(_pynode))
 331     {
 332       _pynode->UnRegister();
 333     }
 334 }
 335
 336 void PythonNode::checkBasicConsistency() const throw(YACS::Exception)
 337 {
 338   DEBTRACE("checkBasicConsistency");
 339   InlineNode::checkBasicConsistency();
 340   {
 341     AutoGIL agil;
 342     PyObject* res;
 343     res=Py_CompileString(_script.c_str(),getName().c_str(),Py_file_input);
 344     if(res == NULL)
 345       {
 346         std::string error="";
 347         PyObject* new_stderr = newPyStdOut(error);
 348         PySys_SetObject((char*)"stderr", new_stderr);
 349         PyErr_Print();
 350         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 351         Py_DECREF(new_stderr);
 352         throw Exception(error);
 353       }
 354     else
 355       Py_XDECREF(res);
 356   }
 357 }
 358
 359 void PythonNode::load()
 360 {
 361   DEBTRACE( "---------------PyNode::load function---------------" );
 362   if(_mode==PythonNode::REMOTE_NAME)
 363     loadRemote();
 364   else
 365     loadLocal();
 366 }
 367
 368 void PythonNode::loadLocal()
 369 {
 370   DEBTRACE( "---------------PyNode::loadLocal function---------------" );
 371   // do nothing
 372 }
 373
 374 void PythonNode::loadRemote()
 375 {
 376   commonRemoteLoad(this);
 377 }
 378
 379 void PythonNode::execute()
 380 {
 381   if(_mode==PythonNode::REMOTE_NAME)
 382     executeRemote();
 383   else
 384     executeLocal();
 385 }
 386
 387 void PythonNode::executeRemote()
 388 {
 389   DEBTRACE( "++++++++++++++ PyNode::executeRemote: " << getName() << " ++++++++++++++++++++" );
 390   if(!_pyfuncSer)
 391     throw Exception("DistributedPythonNode badly loaded");
 392   //
 393   if(dynamic_cast<HomogeneousPoolContainer *>(getContainer()))
 394     {
 395       bool dummy;
 396       commonRemoteLoadPart2(this,dummy);
 397       _pynode->assignNewCompiledCode(getScript().c_str());
 398     }
 399   //
 400   Engines::pickledArgs_var serializationInputCorba(new Engines::pickledArgs);
 401   {
 402       AutoGIL agil;
 403       PyObject *args(0),*ob(0);
 404       //===========================================================================
 405       // Get inputs in input ports, build a Python dict and pickle it
 406       //===========================================================================
 407       args = PyDict_New();
 408       std::list<InputPort *>::iterator iter2;
 409       int pos(0);
 410       for(iter2 = _setOfInputPort.begin(); iter2 != _setOfInputPort.end(); ++iter2)
 411         {
 412           InputPyPort *p=(InputPyPort *)*iter2;
 413           ob=p->getPyObj();
 414           PyDict_SetItemString(args,p->getName().c_str(),ob);
 415           pos++;
 416         }
 417 #ifdef _DEVDEBUG_
 418       PyObject_Print(args,stderr,Py_PRINT_RAW);
 419       std::cerr << endl;
 420 #endif
 421       PyObject *serializationInput(PyObject_CallFunctionObjArgs(_pyfuncSer,args,NULL));
 422       Py_DECREF(args);
 423       //The pickled string may contain NULL characters so use PyString_AsStringAndSize
 424       char *serializationInputC(0);
 425       Py_ssize_t len;
 426       if (PyBytes_AsStringAndSize(serializationInput, &serializationInputC, &len))
 427         throw Exception("DistributedPythonNode problem in python pickle");
 428       serializationInputCorba->length(len);
 429       for(int i=0; i < len ; i++)
 430         serializationInputCorba[i]=serializationInputC[i];
 431       Py_DECREF(serializationInput);
 432   }
 433
 434   //get the list of output argument names
 435   std::list<OutputPort *>::iterator iter;
 436   Engines::listofstring myseq;
 437   myseq.length(getNumberOfOutputPorts());
 438   int pos=0;
 439   for(iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); ++iter)
 440     {
 441       OutputPyPort *p=(OutputPyPort *)*iter;
 442       myseq[pos]=p->getName().c_str();
 443       DEBTRACE( "port name: " << p->getName() );
 444       DEBTRACE( "port kind: " << p->edGetType()->kind() );
 445       DEBTRACE( "port pos : " << pos );
 446       pos++;
 447     }
 448   //===========================================================================
 449   // Execute in remote Python node
 450   //===========================================================================
 451   DEBTRACE( "-----------------starting remote python invocation-----------------" );
 452   Engines::pickledArgs_var resultCorba;
 453   try
 454     {
 455       //pass outargsname and dict serialized
 456       resultCorba=_pynode->execute(myseq,serializationInputCorba);
 457     }
 458   catch( const SALOME::SALOME_Exception& ex )
 459     {
 460       std::string msg="Exception on remote python invocation";
 461       msg += '\n';
 462       msg += ex.details.text.in();
 463       _errorDetails=msg;
 464       throw Exception(msg);
 465     }
 466   DEBTRACE( "-----------------end of remote python invocation-----------------" );
 467   //===========================================================================
 468   // Get results, unpickle and put them in output ports
 469   //===========================================================================
 470   char *resultCorbaC=new char[resultCorba->length()+1];
 471   resultCorbaC[resultCorba->length()]='\0';
 472   for(int i=0;i<resultCorba->length();i++)
 473     resultCorbaC[i]=resultCorba[i];
 474
 475   {
 476       AutoGIL agil;
 477       PyObject *args(0),*ob(0);
 478       PyObject* resultPython=PyBytes_FromStringAndSize(resultCorbaC,resultCorba->length());
 479       delete [] resultCorbaC;
 480       args = PyTuple_New(1);
 481       PyTuple_SetItem(args,0,resultPython);
 482       PyObject *finalResult=PyObject_CallObject(_pyfuncUnser,args);
 483       Py_DECREF(args);
 484
 485       if (finalResult == NULL)
 486         {
 487           std::stringstream msg;
 488           msg << "Conversion with pickle of output ports failed !";
 489           msg << " : " << __FILE__ << ":" << __LINE__;
 490           _errorDetails=msg.str();
 491           throw YACS::ENGINE::ConversionException(msg.str());
 492         }
 493
 494       DEBTRACE( "-----------------PythonNode::outputs-----------------" );
 495       int nres=1;
 496       if(finalResult == Py_None)
 497         nres=0;
 498       else if(PyTuple_Check(finalResult))
 499         nres=PyTuple_Size(finalResult);
 500
 501       if(getNumberOfOutputPorts() != nres)
 502         {
 503           std::string msg="Number of output arguments : Mismatch between definition and execution";
 504           Py_DECREF(finalResult);
 505           _errorDetails=msg;
 506           throw Exception(msg);
 507         }
 508
 509       pos=0;
 510       try
 511       {
 512           for(iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); ++iter)
 513             {
 514               OutputPyPort *p=(OutputPyPort *)*iter;
 515               DEBTRACE( "port name: " << p->getName() );
 516               DEBTRACE( "port kind: " << p->edGetType()->kind() );
 517               DEBTRACE( "port pos : " << pos );
 518               if(PyTuple_Check(finalResult))
 519                 ob=PyTuple_GetItem(finalResult,pos) ;
 520               else
 521                 ob=finalResult;
 522               DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
 523               p->put(ob);
 524               pos++;
 525             }
 526           Py_DECREF(finalResult);
 527       }
 528       catch(ConversionException& ex)
 529       {
 530           Py_DECREF(finalResult);
 531           _errorDetails=ex.what();
 532           throw;
 533       }
 534   }
 535   DEBTRACE( "++++++++++++++ ENDOF PyNode::executeRemote: " << getName() << " ++++++++++++++++++++" );
 536 }
 537
 538 void PythonNode::executeLocal()
 539 {
 540   DEBTRACE( "++++++++++++++ PyNode::executeLocal: " << getName() << " ++++++++++++++++++++" );
 541   {
 542     AutoGIL agil;
 543
 544     DEBTRACE( "---------------PyNode::inputs---------------" );
 545     list<InputPort *>::iterator iter2;
 546     for(iter2 = _setOfInputPort.begin(); iter2 != _setOfInputPort.end(); iter2++)
 547       {
 548         InputPyPort *p=(InputPyPort *)*iter2;
 549         DEBTRACE( "port name: " << p->getName() );
 550         DEBTRACE( "port kind: " << p->edGetType()->kind() );
 551         PyObject* ob=p->getPyObj();
 552         DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
 553 #ifdef _DEVDEBUG_
 554         PyObject_Print(ob,stderr,Py_PRINT_RAW);
 555         cerr << endl;
 556 #endif
 557         int ier=PyDict_SetItemString(_context,p->getName().c_str(),ob);
 558         DEBTRACE( "after PyDict_SetItemString:ob refcnt: " << ob->ob_refcnt );
 559       }
 560
 561     DEBTRACE( "---------------End PyNode::inputs---------------" );
 562
 563     //calculation
 564     DEBTRACE( "----------------PyNode::calculation---------------" );
 565     DEBTRACE(  _script );
 566     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 567
 568     std::ostringstream stream;
 569     stream << "/tmp/PythonNode_";
 570     stream << getpid();
 571
 572     PyObject* code=Py_CompileString(_script.c_str(), stream.str().c_str(), Py_file_input);
 573     if(code == NULL)
 574       {
 575         _errorDetails="";
 576         PyObject* new_stderr = newPyStdOut(_errorDetails);
 577         PySys_SetObject((char*)"stderr", new_stderr);
 578         PyErr_Print();
 579         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 580         Py_DECREF(new_stderr);
 581         throw Exception("Error during execution");
 582       }
 583     PyObject *res = PyEval_EvalCode(  code, _context, _context);
 584
 585     Py_DECREF(code);
 586     Py_XDECREF(res);
 587     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 588     fflush(stdout);
 589     fflush(stderr);
 590     if(PyErr_Occurred ())
 591       {
 592         _errorDetails="";
 593         PyObject* new_stderr = newPyStdOut(_errorDetails);
 594         PySys_SetObject((char*)"stderr", new_stderr);
 595         ofstream errorfile(stream.str().c_str());
 596         if (errorfile.is_open())
 597           {
 598             errorfile << _script;
 599             errorfile.close();
 600           }
 601         PyErr_Print();
 602         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 603         Py_DECREF(new_stderr);
 604         throw Exception("Error during execution");
 605       }
 606
 607     DEBTRACE( "-----------------PyNode::outputs-----------------" );
 608     list<OutputPort *>::iterator iter;
 609     try
 610     {
 611         for(iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); iter++)
 612           {
 613             OutputPyPort *p=(OutputPyPort *)*iter;
 614             DEBTRACE( "port name: " << p->getName() );
 615             DEBTRACE( "port kind: " << p->edGetType()->kind() );
 616             PyObject *ob=PyDict_GetItemString(_context,p->getName().c_str());
 617             if(ob==NULL)
 618               {
 619                 std::string msg="Error during execution: there is no variable ";
 620                 msg=msg+p->getName()+" in node context";
 621                 _errorDetails=msg;
 622                 throw Exception(msg);
 623               }
 624             DEBTRACE( "PyNode::outputs::ob refcnt: " << ob->ob_refcnt );
 625 #ifdef _DEVDEBUG_
 626             PyObject_Print(ob,stderr,Py_PRINT_RAW);
 627             cerr << endl;
 628 #endif
 629             p->put(ob);
 630           }
 631     }
 632     catch(ConversionException& ex)
 633     {
 634         _errorDetails=ex.what();
 635         throw;
 636     }
 637
 638     DEBTRACE( "-----------------End PyNode::outputs-----------------" );
 639   }
 640   DEBTRACE( "++++++++++++++ End PyNode::execute: " << getName() << " ++++++++++++++++++++" );
 641 }
 642
 643 std::string PythonNode::getContainerLog()
 644 {
 645   return PythonEntry::GetContainerLog(_mode,_container,this);
 646 }
 647
 648 void PythonNode::shutdown(int level)
 649 {
 650   DEBTRACE("PythonNode::shutdown " << level);
 651   if(_mode=="local")return;
 652   if(_container)
 653     {
 654       if(!CORBA::is_nil(_pynode)) _pynode->UnRegister();
 655       _pynode=Engines::PyScriptNode::_nil();
 656       _container->shutdown(level);
 657     }
 658 }
 659
 660 Node *PythonNode::simpleClone(ComposedNode *father, bool editionOnly) const
 661 {
 662   return new PythonNode(*this,father);
 663 }
 664
 665 void PythonNode::createRemoteAdaptedPyInterpretor(Engines::Container_ptr objContainer)
 666 {
 667   if(!CORBA::is_nil(_pynode))
 668     _pynode->UnRegister();
 669   _pynode=objContainer->createPyScriptNode(getName().c_str(),getScript().c_str());
 670 }
 671
 672 Engines::PyNodeBase_var PythonNode::retrieveDftRemotePyInterpretorIfAny(Engines::Container_ptr objContainer) const
 673 {
 674   Engines::PyScriptNode_var ret(objContainer->getDefaultPyScriptNode(getName().c_str()));
 675   if(!CORBA::is_nil(ret))
 676     {
 677       ret->Register();
 678     }
 679   return Engines::PyNodeBase::_narrow(ret);
 680 }
 681
 682 void PythonNode::assignRemotePyInterpretor(Engines::PyNodeBase_var remoteInterp)
 683 {
 684   if(!CORBA::is_nil(_pynode))
 685     {
 686       Engines::PyScriptNode_var tmpp(Engines::PyScriptNode::_narrow(remoteInterp));
 687       if(_pynode->_is_equivalent(tmpp))
 688         return ;
 689     }
 690   if(!CORBA::is_nil(_pynode))
 691     _pynode->UnRegister();
 692   _pynode=Engines::PyScriptNode::_narrow(remoteInterp);
 693 }
 694
 695 Engines::PyNodeBase_var PythonNode::getRemoteInterpreterHandle()
 696 {
 697   return Engines::PyNodeBase::_narrow(_pynode);
 698 }
 699
 700 //! Create a new node of same type with a given name
 701 PythonNode* PythonNode::cloneNode(const std::string& name)
 702 {
 703   PythonNode* n=new PythonNode(name);
 704   n->setScript(_script);
 705   list<InputPort *>::iterator iter;
 706   for(iter = _setOfInputPort.begin(); iter != _setOfInputPort.end(); iter++)
 707     {
 708       InputPyPort *p=(InputPyPort *)*iter;
 709       DEBTRACE( "port name: " << p->getName() );
 710       DEBTRACE( "port kind: " << p->edGetType()->kind() );
 711       n->edAddInputPort(p->getName(),p->edGetType());
 712     }
 713   list<OutputPort *>::iterator iter2;
 714   for(iter2 = _setOfOutputPort.begin(); iter2 != _setOfOutputPort.end(); iter2++)
 715     {
 716       OutputPyPort *p=(OutputPyPort *)*iter2;
 717       DEBTRACE( "port name: " << p->getName() );
 718       DEBTRACE( "port kind: " << p->edGetType()->kind() );
 719       n->edAddOutputPort(p->getName(),p->edGetType());
 720     }
 721   return n;
 722 }
 723
 724 void PythonNode::applyDPLScope(ComposedNode *gfn)
 725 {
 726   std::vector< std::pair<std::string,int> > ret(getDPLScopeInfo(gfn));
 727   if(ret.empty())
 728     return ;
 729   //
 730   PyObject *ob(0);
 731   {
 732     AutoGIL agil;
 733     std::size_t sz(ret.size());
 734     ob=PyList_New(sz);
 735     for(std::size_t i=0;i<sz;i++)
 736       {
 737         const std::pair<std::string,int>& p(ret[i]);
 738         PyObject *elt(PyTuple_New(2));
 739         PyTuple_SetItem(elt,0,PyBytes_FromString(p.first.c_str()));
 740         PyTuple_SetItem(elt,1,PyLong_FromLong(p.second));
 741         PyList_SetItem(ob,i,elt);
 742       }
 743   }
 744   if(_mode==REMOTE_NAME)
 745     {
 746       Engines::pickledArgs_var serializationInputCorba(new Engines::pickledArgs);
 747       {
 748         AutoGIL agil;
 749         PyObject *serializationInput(PyObject_CallFunctionObjArgs(_pyfuncSimpleSer,ob,NULL));
 750         Py_XDECREF(ob);
 751         char *serializationInputC(0);
 752         Py_ssize_t len;
 753         if (PyBytes_AsStringAndSize(serializationInput, &serializationInputC, &len))
 754           throw Exception("DistributedPythonNode problem in python pickle");
 755         serializationInputCorba->length(len);
 756         for(int i=0; i < len ; i++)
 757           serializationInputCorba[i]=serializationInputC[i];
 758         Py_XDECREF(serializationInput);
 759       }
 760       _pynode->defineNewCustomVar(DPL_INFO_NAME,serializationInputCorba);
 761     }
 762   else
 763     {
 764       AutoGIL agil;
 765       PyDict_SetItemString(_context,DPL_INFO_NAME,ob);
 766       Py_XDECREF(ob);
 767     }
 768 }
 769
 770 PyFuncNode::PyFuncNode(const PyFuncNode& other, ComposedNode *father):InlineFuncNode(other,father),_pyfunc(0)
 771 {
 772   _implementation = PythonNode::IMPL_NAME;
 773   {
 774     AutoGIL agil;
 775     _context=PyDict_New();
 776     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 777     if( PyDict_SetItemString( _context, "__builtins__", getSALOMERuntime()->getBuiltins() ))
 778       {
 779         stringstream msg;
 780         msg << "Not possible to set builtins" << __FILE__ << ":" << __LINE__;
 781         _errorDetails=msg.str();
 782         throw Exception(msg.str());
 783       }
 784   }
 785 }
 786
 787 PyFuncNode::PyFuncNode(const std::string& name): InlineFuncNode(name),_pyfunc(0)
 788 {
 789
 790   _implementation = PythonNode::IMPL_NAME;
 791   DEBTRACE( "PyFuncNode::PyFuncNode " << name );
 792   {
 793     AutoGIL agil;
 794     _context=PyDict_New();
 795     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 796     if( PyDict_SetItemString( _context, "__builtins__", getSALOMERuntime()->getBuiltins() ))
 797       {
 798         stringstream msg;
 799         msg << "Not possible to set builtins" << __FILE__ << ":" << __LINE__;
 800         _errorDetails=msg.str();
 801         throw Exception(msg.str());
 802       }
 803   }
 804 }
 805
 806 PyFuncNode::~PyFuncNode()
 807 {
 808   if(!CORBA::is_nil(_pynode))
 809     {
 810       _pynode->UnRegister();
 811     }
 812 }
 813
 814 void PyFuncNode::init(bool start)
 815 {
 816   initCommonPartWithoutStateManagement(start);
 817   if(_state == YACS::DISABLED)
 818     {
 819       exDisabledState(); // to refresh propagation of DISABLED state
 820       return ;
 821     }
 822   if(start) //complete initialization
 823     setState(YACS::READY);
 824   else if(_state > YACS::LOADED)// WARNING FuncNode has internal vars (CEA usecase) ! Partial initialization (inside a loop). Exclusivity of funcNode.
 825     setState(YACS::TORECONNECT);
 826 }
 827
 828 void PyFuncNode::checkBasicConsistency() const throw(YACS::Exception)
 829 {
 830   DEBTRACE("checkBasicConsistency");
 831   InlineFuncNode::checkBasicConsistency();
 832   {
 833     AutoGIL agil;
 834     PyObject* res;
 835     res=Py_CompileString(_script.c_str(),getName().c_str(),Py_file_input);
 836     if(res == NULL)
 837       {
 838         std::string error="";
 839         PyObject* new_stderr = newPyStdOut(error);
 840         PySys_SetObject((char*)"stderr", new_stderr);
 841         PyErr_Print();
 842         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 843         Py_DECREF(new_stderr);
 844         throw Exception(error);
 845       }
 846     else
 847       Py_XDECREF(res);
 848   }
 849 }
 850
 851 void PyFuncNode::load()
 852 {
 853   DEBTRACE( "---------------PyfuncNode::load function---------------" );
 854   if(_mode==PythonNode::REMOTE_NAME)
 855     loadRemote();
 856   else
 857     loadLocal();
 858 }
 859
 860 void PyFuncNode::loadRemote()
 861 {
 862   commonRemoteLoad(this);
 863 }
 864
 865 void PyFuncNode::loadLocal()
 866 {
 867   DEBTRACE( "---------------PyFuncNode::load function " << getName() << " ---------------" );
 868   DEBTRACE(  _script );
 869
 870 #ifdef _DEVDEBUG_
 871   list<OutputPort *>::iterator iter;
 872   for(iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); iter++)
 873     {
 874       OutputPyPort *p=(OutputPyPort *)*iter;
 875       DEBTRACE( "port name: " << p->getName() );
 876       DEBTRACE( "port kind: " << p->edGetType()->kind() );
 877     }
 878 #endif
 879
 880   {
 881     AutoGIL agil;
 882     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 883
 884     std::ostringstream stream;
 885     stream << "/tmp/PythonNode_";
 886     stream << getpid();
 887
 888     PyObject* code=Py_CompileString(_script.c_str(), stream.str().c_str(), Py_file_input);
 889     if(code == NULL)
 890       {
 891         _errorDetails="";
 892         PyObject* new_stderr = newPyStdOut(_errorDetails);
 893         PySys_SetObject((char*)"stderr", new_stderr);
 894         PyErr_Print();
 895         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 896         Py_DECREF(new_stderr);
 897         throw Exception("Error during execution");
 898       }
 899     PyObject *res = PyEval_EvalCode( code, _context, _context);
 900     Py_DECREF(code);
 901     Py_XDECREF(res);
 902
 903     DEBTRACE( "_context refcnt: " << _context->ob_refcnt );
 904     if(PyErr_Occurred ())
 905       {
 906         _errorDetails="";
 907         PyObject* new_stderr = newPyStdOut(_errorDetails);
 908         PySys_SetObject((char*)"stderr", new_stderr);
 909         ofstream errorfile(stream.str().c_str());
 910         if (errorfile.is_open())
 911           {
 912             errorfile << _script;
 913             errorfile.close();
 914           }
 915         PyErr_Print();
 916         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 917         Py_DECREF(new_stderr);
 918         throw Exception("Error during execution");
 919         return;
 920       }
 921     _pyfunc=PyDict_GetItemString(_context,_fname.c_str());
 922     DEBTRACE( "_pyfunc refcnt: " << _pyfunc->ob_refcnt );
 923     if(_pyfunc == NULL)
 924       {
 925         _errorDetails="";
 926         PyObject* new_stderr = newPyStdOut(_errorDetails);
 927         PySys_SetObject((char*)"stderr", new_stderr);
 928         PyErr_Print();
 929         PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
 930         Py_DECREF(new_stderr);
 931         throw Exception("Error during execution");
 932       }
 933     DEBTRACE( "---------------End PyFuncNode::load function---------------" );
 934   }
 935 }
 936
 937 void PyFuncNode::execute()
 938 {
 939   if(_mode==PythonNode::REMOTE_NAME)
 940     executeRemote();
 941   else
 942     executeLocal();
 943 }
 944
 945 void PyFuncNode::executeRemote()
 946 {
 947   DEBTRACE( "++++++++++++++ PyFuncNode::executeRemote: " << getName() << " ++++++++++++++++++++" );
 948   if(!_pyfuncSer)
 949     throw Exception("DistributedPythonNode badly loaded");
 950   //
 951   if(dynamic_cast<HomogeneousPoolContainer *>(getContainer()))
 952     {
 953       bool dummy;
 954       commonRemoteLoadPart2(this,dummy);
 955       _pynode->executeAnotherPieceOfCode(getScript().c_str());
 956     }
 957   //
 958   Engines::pickledArgs_var serializationInputCorba(new Engines::pickledArgs);;
 959   {
 960       AutoGIL agil;
 961       PyObject *ob(0);
 962       //===========================================================================
 963       // Get inputs in input ports, build a Python tuple and pickle it
 964       //===========================================================================
 965       PyObject *args(PyTuple_New(getNumberOfInputPorts()));
 966       int pos(0);
 967       for(std::list<InputPort *>::iterator iter2 = _setOfInputPort.begin(); iter2 != _setOfInputPort.end(); iter2++,pos++)
 968         {
 969           InputPyPort *p=(InputPyPort *)*iter2;
 970           ob=p->getPyObj();
 971           Py_INCREF(ob);
 972           PyTuple_SetItem(args,pos,ob);
 973         }
 974 #ifdef _DEVDEBUG_
 975       PyObject_Print(args,stderr,Py_PRINT_RAW);
 976       std::cerr << endl;
 977 #endif
 978       PyObject *serializationInput=PyObject_CallObject(_pyfuncSer,args);
 979       Py_DECREF(args);
 980       //The pickled string may contain NULL characters so use PyString_AsStringAndSize
 981       char *serializationInputC(0);
 982       Py_ssize_t len;
 983       if (PyBytes_AsStringAndSize(serializationInput, &serializationInputC, &len))
 984         throw Exception("DistributedPythonNode problem in python pickle");
 985
 986       serializationInputCorba->length(len);
 987       for(int i=0; i < len ; i++)
 988         serializationInputCorba[i]=serializationInputC[i];
 989       Py_DECREF(serializationInput);
 990   }
 991
 992   //===========================================================================
 993   // Execute in remote Python node
 994   //===========================================================================
 995   DEBTRACE( "-----------------starting remote python invocation-----------------" );
 996   Engines::pickledArgs_var resultCorba;
 997   try
 998     {
 999       resultCorba=_pynode->execute(getFname().c_str(),serializationInputCorba);
1000     }
1001   catch( const SALOME::SALOME_Exception& ex )
1002     {
1003       std::string msg="Exception on remote python invocation";
1004       msg += '\n';
1005       msg += ex.details.text.in();
1006       _errorDetails=msg;
1007       throw Exception(msg);
1008     }
1009   DEBTRACE( "-----------------end of remote python invocation-----------------" );
1010   //===========================================================================
1011   // Get results, unpickle and put them in output ports
1012   //===========================================================================
1013   char *resultCorbaC=new char[resultCorba->length()+1];
1014   resultCorbaC[resultCorba->length()]='\0';
1015   for(int i=0;i<resultCorba->length();i++)
1016     resultCorbaC[i]=resultCorba[i];
1017
1018   {
1019       AutoGIL agil;
1020
1021       PyObject *resultPython(PyBytes_FromStringAndSize(resultCorbaC,resultCorba->length()));
1022       delete [] resultCorbaC;
1023       PyObject *args(PyTuple_New(1)),*ob(0);
1024       PyTuple_SetItem(args,0,resultPython);
1025       PyObject *finalResult=PyObject_CallObject(_pyfuncUnser,args);
1026       Py_DECREF(args);
1027
1028       DEBTRACE( "-----------------PythonNode::outputs-----------------" );
1029       int nres=1;
1030       if(finalResult == Py_None)
1031         nres=0;
1032       else if(PyTuple_Check(finalResult))
1033         nres=PyTuple_Size(finalResult);
1034
1035       if(getNumberOfOutputPorts() != nres)
1036         {
1037           std::string msg="Number of output arguments : Mismatch between definition and execution";
1038           Py_DECREF(finalResult);
1039           _errorDetails=msg;
1040           throw Exception(msg);
1041         }
1042
1043       try
1044       {
1045           int pos(0);
1046           for(std::list<OutputPort *>::iterator iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); iter++, pos++)
1047             {
1048               OutputPyPort *p=(OutputPyPort *)*iter;
1049               DEBTRACE( "port name: " << p->getName() );
1050               DEBTRACE( "port kind: " << p->edGetType()->kind() );
1051               DEBTRACE( "port pos : " << pos );
1052               if(PyTuple_Check(finalResult))
1053                 ob=PyTuple_GetItem(finalResult,pos) ;
1054               else
1055                 ob=finalResult;
1056               DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
1057               p->put(ob);
1058             }
1059           Py_DECREF(finalResult);
1060       }
1061       catch(ConversionException& ex)
1062       {
1063           Py_DECREF(finalResult);
1064           _errorDetails=ex.what();
1065           throw;
1066       }
1067   }
1068
1069   DEBTRACE( "++++++++++++++ ENDOF PyFuncNode::executeRemote: " << getName() << " ++++++++++++++++++++" );
1070 }
1071
1072 void PyFuncNode::executeLocal()
1073 {
1074   DEBTRACE( "++++++++++++++ PyFuncNode::execute: " << getName() << " ++++++++++++++++++++" );
1075
1076   int pos=0;
1077   PyObject* ob;
1078   if(!_pyfunc)throw Exception("PyFuncNode badly loaded");
1079   {
1080       AutoGIL agil;
1081       DEBTRACE( "---------------PyFuncNode::inputs---------------" );
1082       PyObject* args = PyTuple_New(getNumberOfInputPorts()) ;
1083       list<InputPort *>::iterator iter2;
1084       for(iter2 = _setOfInputPort.begin(); iter2 != _setOfInputPort.end(); iter2++)
1085         {
1086           InputPyPort *p=(InputPyPort *)*iter2;
1087           DEBTRACE( "port name: " << p->getName() );
1088           DEBTRACE( "port kind: " << p->edGetType()->kind() );
1089           ob=p->getPyObj();
1090 #ifdef _DEVDEBUG_
1091           PyObject_Print(ob,stderr,Py_PRINT_RAW);
1092           cerr << endl;
1093 #endif
1094           DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
1095           Py_INCREF(ob);
1096           PyTuple_SetItem(args,pos,ob);
1097           DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
1098           pos++;
1099         }
1100       DEBTRACE( "---------------End PyFuncNode::inputs---------------" );
1101
1102       DEBTRACE( "----------------PyFuncNode::calculation---------------" );
1103 #ifdef _DEVDEBUG_
1104       PyObject_Print(_pyfunc,stderr,Py_PRINT_RAW);
1105       cerr << endl;
1106       PyObject_Print(args,stderr,Py_PRINT_RAW);
1107       cerr << endl;
1108 #endif
1109       DEBTRACE( "_pyfunc refcnt: " << _pyfunc->ob_refcnt );
1110       PyObject* result = PyObject_CallObject( _pyfunc , args ) ;
1111       DEBTRACE( "_pyfunc refcnt: " << _pyfunc->ob_refcnt );
1112       Py_DECREF(args);
1113       fflush(stdout);
1114       fflush(stderr);
1115       if(result == NULL)
1116         {
1117           _errorDetails="";
1118           PyObject* new_stderr = newPyStdOut(_errorDetails);
1119           PySys_SetObject((char*)"stderr", new_stderr);
1120           std::ostringstream stream;
1121           stream << "/tmp/PythonNode_";
1122           stream << getpid();
1123           ofstream errorfile(stream.str().c_str());
1124           if (errorfile.is_open())
1125             {
1126               errorfile << _script;
1127               errorfile.close();
1128             }
1129           PyErr_Print();
1130           PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
1131           Py_DECREF(new_stderr);
1132           throw Exception("Error during execution");
1133         }
1134       DEBTRACE( "----------------End PyFuncNode::calculation---------------" );
1135
1136       DEBTRACE( "-----------------PyFuncNode::outputs-----------------" );
1137       int nres=1;
1138       if(result == Py_None)
1139         nres=0;
1140       else if(PyTuple_Check(result))
1141         nres=PyTuple_Size(result);
1142
1143       if(getNumberOfOutputPorts() != nres)
1144         {
1145           std::string msg="Number of output arguments : Mismatch between definition and execution";
1146           Py_DECREF(result);
1147           _errorDetails=msg;
1148           throw Exception(msg);
1149         }
1150
1151       pos=0;
1152 #ifdef _DEVDEBUG_
1153       PyObject_Print(result,stderr,Py_PRINT_RAW);
1154       cerr << endl;
1155 #endif
1156       list<OutputPort *>::iterator iter;
1157       try
1158       {
1159           for(iter = _setOfOutputPort.begin(); iter != _setOfOutputPort.end(); iter++)
1160             {
1161               OutputPyPort *p=(OutputPyPort *)*iter;
1162               DEBTRACE( "port name: " << p->getName() );
1163               DEBTRACE( "port kind: " << p->edGetType()->kind() );
1164               DEBTRACE( "port pos : " << pos );
1165               if(PyTuple_Check(result))ob=PyTuple_GetItem(result,pos) ;
1166               else ob=result;
1167               DEBTRACE( "ob refcnt: " << ob->ob_refcnt );
1168 #ifdef _DEVDEBUG_
1169               PyObject_Print(ob,stderr,Py_PRINT_RAW);
1170               cerr << endl;
1171 #endif
1172               p->put(ob);
1173               pos++;
1174             }
1175       }
1176       catch(ConversionException& ex)
1177       {
1178           Py_DECREF(result);
1179           _errorDetails=ex.what();
1180           throw;
1181       }
1182       DEBTRACE( "-----------------End PyFuncNode::outputs-----------------" );
1183       Py_DECREF(result);
1184   }
1185   DEBTRACE( "++++++++++++++ End PyFuncNode::execute: " << getName() << " ++++++++++++++++++++" );
1186 }
1187
1188 Node *PyFuncNode::simpleClone(ComposedNode *father, bool editionOnly) const
1189 {
1190   return new PyFuncNode(*this,father);
1191 }
1192
1193 void PyFuncNode::createRemoteAdaptedPyInterpretor(Engines::Container_ptr objContainer)
1194 {
1195   if(!CORBA::is_nil(_pynode))
1196     _pynode->UnRegister();
1197   _pynode=objContainer->createPyNode(getName().c_str(),getScript().c_str());
1198 }
1199
1200 Engines::PyNodeBase_var PyFuncNode::retrieveDftRemotePyInterpretorIfAny(Engines::Container_ptr objContainer) const
1201 {
1202   Engines::PyNode_var ret(objContainer->getDefaultPyNode(getName().c_str()));
1203   if(!CORBA::is_nil(ret))
1204     {
1205       ret->Register();
1206     }
1207   return Engines::PyNodeBase::_narrow(ret);
1208 }
1209
1210 void PyFuncNode::assignRemotePyInterpretor(Engines::PyNodeBase_var remoteInterp)
1211 {
1212   if(!CORBA::is_nil(_pynode))
1213     {
1214       Engines::PyNode_var tmpp(Engines::PyNode::_narrow(remoteInterp));
1215       if(_pynode->_is_equivalent(tmpp))
1216         return ;
1217     }
1218   if(!CORBA::is_nil(_pynode))
1219     _pynode->UnRegister();
1220   _pynode=Engines::PyNode::_narrow(remoteInterp);
1221 }
1222
1223 Engines::PyNodeBase_var PyFuncNode::getRemoteInterpreterHandle()
1224 {
1225   return Engines::PyNodeBase::_narrow(_pynode);
1226 }
1227
1228 //! Create a new node of same type with a given name
1229 PyFuncNode* PyFuncNode::cloneNode(const std::string& name)
1230 {
1231   PyFuncNode* n=new PyFuncNode(name);
1232   n->setScript(_script);
1233   n->setFname(_fname);
1234   list<InputPort *>::iterator iter;
1235   for(iter = _setOfInputPort.begin(); iter != _setOfInputPort.end(); iter++)
1236     {
1237       InputPyPort *p=(InputPyPort *)*iter;
1238       n->edAddInputPort(p->getName(),p->edGetType());
1239     }
1240   list<OutputPort *>::iterator iter2;
1241   for(iter2 = _setOfOutputPort.begin(); iter2 != _setOfOutputPort.end(); iter2++)
1242     {
1243       OutputPyPort *p=(OutputPyPort *)*iter2;
1244       n->edAddOutputPort(p->getName(),p->edGetType());
1245     }
1246   return n;
1247 }
1248
1249 std::string PyFuncNode::getContainerLog()
1250 {
1251   return PythonEntry::GetContainerLog(_mode,_container,this);
1252 }
1253
1254 void PyFuncNode::shutdown(int level)
1255 {
1256   DEBTRACE("PyFuncNode::shutdown " << level);
1257   if(_mode=="local")return;
1258   if(_container)
1259     {
1260       if(!CORBA::is_nil(_pynode)) _pynode->UnRegister();
1261       _pynode=Engines::PyNode::_nil();
1262       _container->shutdown(level);
1263     }
1264 }
1265