src/Container/SALOME_Container.py

   1 #! /usr/bin/env python
   2 #  -*- coding: iso-8859-1 -*-
   3 # Copyright (C) 2007-2014  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, or (at your option) any later version.
  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
  25 #  SALOME Container : implementation of container and engine for Kernel
  26 #  File   : SALOME_Container.py
  27 #  Author : Paul RASCLE, EDF
  28 #  Module : SALOME
  29 #  $Header$
  30
  31 ## @package SALOME_Container
  32 # \brief python implementation of container interface for Kernel
  33 #
  34
  35 import os
  36 import sys
  37 import string
  38 import traceback
  39 import imp
  40 from omniORB import CORBA, PortableServer
  41 import SALOMEDS
  42 import Engines, Engines__POA
  43 from SALOME_NamingServicePy import *
  44 from SALOME_ComponentPy import *
  45 import SALOME_PyNode
  46
  47 from SALOME_utilities import *
  48 from Utils_Identity import getShortHostName
  49 from launchConfigureParser import verbose
  50
  51 #=============================================================================
  52
  53 #define an implementation of the container interface for embedding in Container implemented in C++
  54
  55 class SALOME_Container_i:
  56     _orb = None
  57     _poa = None
  58     _containerName = ""
  59     _naming_service = None
  60
  61     #-------------------------------------------------------------------------
  62
  63     def __init__(self ,containerName, containerIORStr):
  64         MESSAGE( "SALOME_Container_i::__init__" )
  65         self._orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
  66         self._poa = self._orb.resolve_initial_references("RootPOA")
  67         self._containerName = containerName
  68         if verbose(): print "SALOME_Container.SALOME_Container_i : _containerName ",self._containerName
  69         #self._naming_service = SALOME_NamingServicePy_i(self._orb)
  70         self._container = self._orb.string_to_object(containerIORStr)
  71
  72     #-------------------------------------------------------------------------
  73
  74     def import_component(self, componentName):
  75         MESSAGE( "SALOME_Container_i::import_component" )
  76         ret=""
  77         try:
  78             if verbose(): print "try import ",componentName
  79             __import__(componentName)
  80             if verbose(): print "import ",componentName," successful"
  81         except ImportError,e:
  82             #can't import python module componentName
  83             #try to find it in python path
  84             try:
  85               fp, pathname, description = imp.find_module(componentName)
  86               if fp:fp.close()
  87               #module file found in path
  88               ret="Component "+componentName+": Python implementation found but it can't be loaded\n"
  89               ret=ret+traceback.format_exc(10)
  90             except ImportError,ee:
  91               ret="ImplementationNotFound"
  92             except:
  93               if verbose():print "error when calling find_module"
  94               ret="ImplementationNotFound"
  95         except:
  96             ret="Component "+componentName+": Python implementation found but it can't be loaded\n"
  97             ret=ret+traceback.format_exc(10)
  98             if verbose():
  99               traceback.print_exc()
 100               print "import ",componentName," not possible"
 101         return ret
 102
 103     #-------------------------------------------------------------------------
 104
 105     def create_component_instance(self, componentName, instanceName, studyId):
 106         MESSAGE( "SALOME_Container_i::create_component_instance" )
 107         comp_iors=""
 108         ret=""
 109         try:
 110             component=__import__(componentName)
 111             factory=getattr(component,componentName)
 112             comp_i=factory(self._orb,
 113                            self._poa,
 114                            self._container,
 115                            self._containerName,
 116                            instanceName,
 117                            componentName)
 118
 119             MESSAGE( "SALOME_Container_i::create_component_instance : OK")
 120             comp_o = comp_i._this()
 121             comp_iors = self._orb.object_to_string(comp_o)
 122         except:
 123             ret=traceback.format_exc(10)
 124             traceback.print_exc()
 125             MESSAGE( "SALOME_Container_i::create_component_instance : NOT OK")
 126         return comp_iors, ret
 127
 128
 129     def create_pynode(self,nodeName,code):
 130         try:
 131           node=SALOME_PyNode.PyNode_i(nodeName,code,self._poa,self)
 132           id_o = self._poa.activate_object(node)
 133           comp_o = self._poa.id_to_reference(id_o)
 134           comp_iors = self._orb.object_to_string(comp_o)
 135           return 0,comp_iors
 136         except:
 137           exc_typ,exc_val,exc_fr=sys.exc_info()
 138           l=traceback.format_exception(exc_typ,exc_val,exc_fr)
 139           return 1,"".join(l)
 140
 141     def create_pyscriptnode(self,nodeName,code):
 142         try:
 143           node=SALOME_PyNode.PyScriptNode_i(nodeName,code,self._poa,self)
 144           id_o = self._poa.activate_object(node)
 145           comp_o = self._poa.id_to_reference(id_o)
 146           comp_iors = self._orb.object_to_string(comp_o)
 147           return 0,comp_iors
 148         except:
 149           exc_typ,exc_val,exc_fr=sys.exc_info()
 150           l=traceback.format_exception(exc_typ,exc_val,exc_fr)
 151           return 1,"".join(l)