src/Container/SALOME_Container.py

   1 #! /usr/bin/env python
   2 #  -*- coding: iso-8859-1 -*-
   3 #  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   4 #
   5 #  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   6 #  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   7 #
   8 #  This library is free software; you can redistribute it and/or
   9 #  modify it under the terms of the GNU Lesser General Public
  10 #  License as published by the Free Software Foundation; either
  11 #  version 2.1 of the License.
  12 #
  13 #  This library is distributed in the hope that it will be useful,
  14 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 #  Lesser General Public License for more details.
  17 #
  18 #  You should have received a copy of the GNU Lesser General Public
  19 #  License along with this library; if not, write to the Free Software
  20 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21 #
  22 #  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  23 #
  24 #  SALOME Container : implementation of container and engine for Kernel
  25 #  File   : SALOME_Container.py
  26 #  Author : Paul RASCLE, EDF
  27 #  Module : SALOME
  28 #  $Header$
  29 #
  30 ## @package SALOME_Container
  31 # \brief python implementation of container interface for Kernel
  32 #
  33 #
  34
  35 import os
  36 import sys
  37 import string
  38 import traceback
  39 from omniORB import CORBA, PortableServer
  40 import SALOMEDS
  41 import Engines, Engines__POA
  42 from SALOME_NamingServicePy import *
  43 from SALOME_ComponentPy import *
  44 import SALOME_PyNode
  45
  46 from SALOME_utilities import *
  47 from Utils_Identity import getShortHostName
  48 from launchConfigureParser import verbose
  49
  50 #=============================================================================
  51
  52 #define an implementation of the container interface for embedding in Container implemented in C++
  53
  54 class SALOME_Container_i:
  55     _orb = None
  56     _poa = None
  57     _containerName = ""
  58     _naming_service = None
  59
  60     #-------------------------------------------------------------------------
  61
  62     def __init__(self ,containerName, containerIORStr):
  63         MESSAGE( "SALOME_Container_i::__init__" )
  64         self._orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
  65         self._poa = self._orb.resolve_initial_references("RootPOA")
  66         self._containerName = containerName
  67         if verbose(): print "SALOME_Container.SALOME_Container_i : _containerName ",self._containerName
  68         #self._naming_service = SALOME_NamingServicePy_i(self._orb)
  69         self._container = self._orb.string_to_object(containerIORStr)
  70
  71     #-------------------------------------------------------------------------
  72
  73     def import_component(self, componentName):
  74         MESSAGE( "SALOME_Container_i::import_component" )
  75         ret=""
  76         try:
  77             if verbose(): print "try import ",componentName
  78             __import__(componentName)
  79             if verbose(): print "import ",componentName," successful"
  80         except:
  81             import traceback
  82             ret=traceback.format_exc(10)
  83             if verbose():
  84               traceback.print_exc()
  85               print "import ",componentName," not possible"
  86         return ret
  87
  88     #-------------------------------------------------------------------------
  89
  90     def create_component_instance(self, componentName, instanceName, studyId):
  91         MESSAGE( "SALOME_Container_i::create_component_instance" )
  92         comp_iors=""
  93         try:
  94             component=__import__(componentName)
  95             factory=getattr(component,componentName)
  96             comp_i=factory(self._orb,
  97                            self._poa,
  98                            self._container,
  99                            self._containerName,
 100                            instanceName,
 101                            componentName)
 102
 103             MESSAGE( "SALOME_Container_i::create_component_instance : OK")
 104             comp_o = comp_i._this()
 105             comp_iors = self._orb.object_to_string(comp_o)
 106         except:
 107             import traceback
 108             traceback.print_exc()
 109             MESSAGE( "SALOME_Container_i::create_component_instance : NOT OK")
 110         return comp_iors
 111
 112
 113     def create_pynode(self,nodeName,code):
 114         try:
 115           node=SALOME_PyNode.PyNode_i(nodeName,code,self._poa)
 116           id_o = self._poa.activate_object(node)
 117           comp_o = self._poa.id_to_reference(id_o)
 118           comp_iors = self._orb.object_to_string(comp_o)
 119           return 0,comp_iors
 120         except:
 121           exc_typ,exc_val,exc_fr=sys.exc_info()
 122           l=traceback.format_exception(exc_typ,exc_val,exc_fr)
 123           return 1,"".join(l)