src/Container/SALOME_Container.py

   1 #! /usr/bin/env python
   2 #  -*- coding: iso-8859-1 -*-
   3 # Copyright (C) 2007-2016  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 traceback
  38 import imp
  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 ImportError as e:
  81             #can't import python module componentName
  82             #try to find it in python path
  83             try:
  84               fp, pathname, description = imp.find_module(componentName)
  85               if fp:fp.close()
  86               #module file found in path
  87               ret="Component "+componentName+": Python implementation found but it can't be loaded\n"
  88               ret=ret+traceback.format_exc(10)
  89             except ImportError as ee:
  90               ret="ImplementationNotFound"
  91             except:
  92               if verbose():print("error when calling find_module")
  93               ret="ImplementationNotFound"
  94         except:
  95             ret="Component "+componentName+": Python implementation found but it can't be loaded\n"
  96             ret=ret+traceback.format_exc(10)
  97             if verbose():
  98               traceback.print_exc()
  99               print("import ",componentName," not possible")
 100         return ret
 101
 102     #-------------------------------------------------------------------------
 103
 104     def create_component_instance(self, componentName, instanceName):
 105         MESSAGE( "SALOME_Container_i::create_component_instance" )
 106         comp_iors=""
 107         ret=""
 108         try:
 109             component=__import__(componentName)
 110             factory=getattr(component,componentName)
 111             comp_i=factory(self._orb,
 112                            self._poa,
 113                            self._container,
 114                            self._containerName,
 115                            instanceName,
 116                            componentName)
 117
 118             MESSAGE( "SALOME_Container_i::create_component_instance : OK")
 119             comp_o = comp_i._this()
 120             comp_iors = self._orb.object_to_string(comp_o)
 121         except:
 122             ret=traceback.format_exc(10)
 123             traceback.print_exc()
 124             MESSAGE( "SALOME_Container_i::create_component_instance : NOT OK")
 125         return comp_iors, ret
 126
 127
 128     def create_pynode(self,nodeName,code):
 129         try:
 130           node=SALOME_PyNode.PyNode_i(nodeName,code,self._poa,self)
 131           id_o = self._poa.activate_object(node)
 132           comp_o = self._poa.id_to_reference(id_o)
 133           comp_iors = self._orb.object_to_string(comp_o)
 134           return 0,comp_iors
 135         except:
 136           exc_typ,exc_val,exc_fr=sys.exc_info()
 137           l=traceback.format_exception(exc_typ,exc_val,exc_fr)
 138           return 1,"".join(l)
 139
 140     def create_pyscriptnode(self,nodeName,code):
 141         try:
 142           node=SALOME_PyNode.PyScriptNode_i(nodeName,code,self._poa,self)
 143           id_o = self._poa.activate_object(node)
 144           comp_o = self._poa.id_to_reference(id_o)
 145           comp_iors = self._orb.object_to_string(comp_o)
 146           return 0,comp_iors
 147         except:
 148           exc_typ,exc_val,exc_fr=sys.exc_info()
 149           l=traceback.format_exception(exc_typ,exc_val,exc_fr)
 150           return 1,"".join(l)