2 # -*- coding: iso-8859-1 -*-
3 # Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 # File : SALOME_PyNode.py
23 # Author : Christian CAREMOLI, EDF
27 import sys,traceback,string
34 class Generic(SALOME__POA.GenericObj):
35 """A Python implementation of the GenericObj CORBA IDL"""
36 def __init__(self,poa):
46 oid=self.poa.servant_to_id(self)
47 self.poa.deactivate_object(oid)
49 class PyNode_i (Engines__POA.PyNode,Generic):
50 """The implementation of the PyNode CORBA IDL"""
51 def __init__(self, nodeName,code,poa,my_container):
52 """Initialize the node : compilation in the local context"""
53 Generic.__init__(self,poa)
54 self.nodeName=nodeName
56 self.my_container=my_container._container
57 linecache.cache[nodeName]=0,None,string.split(code,'\n'),nodeName
58 ccode=compile(code,nodeName,'exec')
60 self.context["my_container"] = self.my_container
61 exec ccode in self.context
63 def execute(self,funcName,argsin):
64 """Execute the function funcName found in local context with pickled args (argsin)"""
66 argsin,kws=cPickle.loads(argsin)
67 func=self.context[funcName]
68 argsout=func(*argsin,**kws)
69 argsout=cPickle.dumps(argsout,-1)
72 exc_typ,exc_val,exc_fr=sys.exc_info()
73 l=traceback.format_exception(exc_typ,exc_val,exc_fr)
74 raise SALOME.SALOME_Exception(SALOME.ExceptionStruct(SALOME.BAD_PARAM,"".join(l),"PyNode: %s, function: %s" % (self.nodeName,funcName),0))
76 class PyScriptNode_i (Engines__POA.PyScriptNode,Generic):
77 """The implementation of the PyScriptNode CORBA IDL that executes a script"""
78 def __init__(self, nodeName,code,poa,my_container):
79 """Initialize the node : compilation in the local context"""
80 Generic.__init__(self,poa)
81 self.nodeName=nodeName
83 self.my_container=my_container._container
84 linecache.cache[nodeName]=0,None,string.split(code,'\n'),nodeName
85 self.ccode=compile(code,nodeName,'exec')
87 self.context["my_container"] = self.my_container
89 def execute(self,outargsname,argsin):
90 """Execute the script stored in attribute ccode with pickled args (argsin)"""
92 argsname,kws=cPickle.loads(argsin)
93 self.context.update(kws)
94 exec self.ccode in self.context
96 for arg in outargsname:
97 if not self.context.has_key(arg):
98 raise KeyError("There is no variable %s in context" % arg)
99 argsout.append(self.context[arg])
100 argsout=cPickle.dumps(tuple(argsout),-1)
103 exc_typ,exc_val,exc_fr=sys.exc_info()
104 l=traceback.format_exception(exc_typ,exc_val,exc_fr)
105 raise SALOME.SALOME_Exception(SALOME.ExceptionStruct(SALOME.BAD_PARAM,"".join(l),"PyScriptNode: %s, outargsname: %s" % (self.nodeName,outargsname),0))