# Copyright (C) 2007-2012   EDF R&D
#
# 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.
#
# 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
#
import re
from convert_python import PythonParser

def entryPoint():
   """
   Return a dictionary containing the description needed to load the plugin
   """
   return {
          'name' : 'openturns_study',
          'factory' : OTStudyParser
          }

class OTStudyParser(PythonParser):
   """
   This converter works like PythonParser, except that it also initializes all
   model variables to None in order to avoid Python syntax errors when loading
   a file with a different or inexistent definition of variables.
   """
   # We look for pattern "ModelVariable=NOMVAR,"
   pattern_model_variable = re.compile(r'ModelVariable\s*=\s*(\w+)\s*,')

   def convert(self, outformat, appli=None):
      text = PythonParser.convert(self, outformat, appli)
      varnames = self.pattern_model_variable.findall(text)
      newtext = ""
      for var in varnames:
         newtext += "%s = None\n" % var
      newtext += text
      return newtext
