--- /dev/null
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// Author : Anthony GEAY (EDF R&D)
+
+#include "SALOMESDS_PickelizedPyObjServer.hxx"
+#include "SALOMESDS_DataScopeServer.hxx"
+#include "SALOMESDS_Exception.hxx"
+
+#include <iostream>
+#include <sstream>
+
+using namespace SALOMESDS;
+
+PickelizedPyObjServer::PickelizedPyObjServer(DataScopeServer *father, const std::string& varName, const SALOME::ByteVec& value):BasicDataServer(father,varName),_self(0)
+{
+ setSerializedContentInternal(value);
+}
+
+//! obj is consumed
+PickelizedPyObjServer::PickelizedPyObjServer(DataScopeServer *father, const std::string& varName, PyObject *obj):BasicDataServer(father,varName),_self(0)
+{
+ setNewPyObj(obj);
+}
+
+PickelizedPyObjServer::~PickelizedPyObjServer()
+{
+ Py_XDECREF(_self);
+}
+
+/*!
+ * Called remotely -> to protect against throw
+ */
+SALOME::ByteVec *PickelizedPyObjServer::fetchSerializedContent()
+{
+ Py_XINCREF(_self);//because pickelize consume _self
+ return FromCppToByteSeq(pickelize(_self));
+}
+
+void PickelizedPyObjServer::FromByteSeqToCpp(const SALOME::ByteVec& bsToBeConv, std::string& ret)
+{
+ std::size_t sz(bsToBeConv.length());
+ ret.resize(sz,' ');
+ char *buf(const_cast<char *>(ret.c_str()));
+ for(std::size_t i=0;i<sz;i++)
+ buf[i]=bsToBeConv[i];
+}
+
+SALOME::ByteVec *PickelizedPyObjServer::FromCppToByteSeq(const std::string& strToBeConv)
+{
+ SALOME::ByteVec *ret(new SALOME::ByteVec);
+ const char *buf(strToBeConv.c_str());
+ std::size_t sz(strToBeConv.size());
+ ret->length(sz);
+ for(std::size_t i=0;i<sz;i++)
+ (*ret)[i]=buf[i];
+ return ret;
+}
+
+//! New reference returned
+PyObject *PickelizedPyObjServer::getPyObjFromPickled(const std::string& pickledData)
+{
+ std::size_t sz(pickledData.size());
+ PyObject *pickledDataPy(PyString_FromStringAndSize(NULL,sz));// agy : do not use PyString_FromString because std::string hides a vector of byte.
+ char *buf(PyString_AsString(pickledDataPy));// this buf can be used thanks to python documentation.
+ const char *inBuf(pickledData.c_str());
+ std::copy(inBuf,inBuf+sz,buf);
+ PyObject *selfMeth(PyObject_GetAttrString(_father->getPickler(),"loads"));
+ PyObject *args(PyTuple_New(1)); PyTuple_SetItem(args,0,pickledDataPy);
+ PyObject *ret(PyObject_CallObject(selfMeth,args));
+ Py_XDECREF(args);
+ Py_XDECREF(selfMeth);
+ return ret;
+}
+
+//! obj is consumed by this method.
+std::string PickelizedPyObjServer::pickelize(PyObject *obj)
+{
+ PyObject *args(PyTuple_New(2));
+ PyTuple_SetItem(args,0,obj);
+ PyTuple_SetItem(args,1,PyInt_FromLong(2));// because "assert(cPickle.HIGHEST_PROTOCOL is 2)"
+ PyObject *selfMeth(PyObject_GetAttrString(_father->getPickler(),"dumps"));
+ PyObject *retPy(PyObject_CallObject(selfMeth,args));
+ Py_XDECREF(selfMeth);
+ Py_XDECREF(args);
+ std::size_t sz(PyString_Size(retPy));
+ std::string ret(sz,'\0');
+ const char *buf(PyString_AsString(retPy));
+ char *inBuf(const_cast<char *>(ret.c_str()));
+ for(std::size_t i=0;i<sz;i++)
+ inBuf[i]=buf[i];
+ Py_XDECREF(retPy);
+ return ret;
+}
+
+//! obj is consumed by this method.
+void PickelizedPyObjServer::setNewPyObj(PyObject *obj)
+{
+ if(!obj)
+ throw Exception("PickelizedPyObjServer::setNewPyObj : trying to assign a NULL pyobject in this !");
+ if(obj==_self)
+ return ;
+ if(PyList_Check(obj)==0 && PyDict_Check(obj)==0 && PyTuple_Check(obj)==0 && PyString_Check(obj)==0 && PyInt_Check(obj)==0 && PyBool_Check(obj)==0 && PyFloat_Check(obj)==0 && obj!=Py_None)
+ throw Exception("PickelizedPyObjServer::setNewPyObj : Supported python types are [list,tuple,dict,str,int,bool,float,None] !");
+ if(_self)
+ {
+ PyObject *selfType(PyObject_Type(_self));
+ if(PyObject_IsInstance(obj,selfType)!=1)
+ {
+ Py_XDECREF(obj);
+ Py_XDECREF(selfType);
+ throw Exception("PickelizedPyObjServer::setNewPyObj : type of new object is not the same than those previously set !");
+ }
+ else
+ Py_XDECREF(selfType);
+ }
+ Py_XDECREF(_self);
+ _self=obj;
+}
+
+void PickelizedPyObjServer::setSerializedContentInternal(const SALOME::ByteVec& newValue)
+{
+ std::string data;
+ FromByteSeqToCpp(newValue,data);
+ setNewPyObj(getPyObjFromPickled(data));
+}
+
+PyObject *PickelizedPyObjServer::CreateDftObjFromType(PyObject *globals, const std::string& typeName)
+{
+ PyObject *builtins(PyDict_GetItemString(globals,"__builtins__"));
+ if(!builtins)
+ throw Exception("PickelizedPyObjServer constructor : no __builtins__ in globals !");
+ PyObject *builtins2(PyModule_GetDict(builtins));
+ if(!builtins2)
+ throw Exception("PickelizedPyObjServer constructor : internal error fail to invoke __dict__ on __builtins__ !");
+ PyObject *tmp(PyDict_GetItemString(builtins2,typeName.c_str()));
+ if(!tmp)
+ {
+ std::ostringstream oss; oss << "PickelizedPyObjServer::CreateDftObjFromType : Invalid type name \"" << typeName << "\" !";
+ throw Exception(oss.str());
+ }
+ PyObject *args(PyTuple_New(0));
+ PyObject *ret(PyObject_CallObject(tmp,args));
+ Py_XDECREF(args);
+ return ret;
+}
