old_contents: import copy
  
  def add_a_field(cls, field):
      setattr(cls, field.string, field)
      pass
  
  def add_a_getter(cls, field):
      fieldname = field.string
      getter_template = copy.deepcopy(field.get_getterTemplate())
      getter_template.__doc__ = "get%s - method to get value of field: %s" % (fieldname,fieldname)
      getter_template.__name__ = "get%s" % fieldname
      setattr(cls, getter_template.__name__, classmethod(getter_template))
      pass
  
  class BaseOLiMSModel(object):
      '''
      This is the base class of all OLiMS model. In addition to models.Model, every OLiMS model will 
      be derived from this class and get all its code from a Bika Content class i.e. a Bika 
      content class will be converted to OLiMS model class by removing irrelevant code, 
      and adding derivation from this class, with the calling of following in the end
      
      DerivedModel_Of_BaseOLiMSModel.initialze(bika_schema)
      '''
             
      @classmethod
      def initialze(cls, schema):
          # take out each filed from the passed schema and:
          # 1. make a model variable for it, and assign this field to this variable
          # 2. make getter methods for each model variable defined in step 1
          for field in schema:
              add_a_field(cls, field)
              add_a_getter(cls, field)
              pass
          pass       
      pass
                                      
  
                      
new_contents: import copy
  
  def add_a_field(cls, field):
      setattr(cls, field.string, field)
      pass
  
  def add_a_getter(cls, field):
      fieldname = field.string
      getter_template = copy.deepcopy(field.get_getterTemplate())
      getter_template.__doc__ = "get%s - method to get value of field: %s" % (fieldname,fieldname)
      getter_template.__name__ = "get%s" % fieldname
      setattr(cls, getter_template.__name__, classmethod(getter_template))
      pass
  
  class BaseOLiMSModel(object):
      '''
      This is the base class of all OLiMS model. In addition to models.Model, every OLiMS model will 
      be derived from this class and get all its code from a Bika Content class i.e. a Bika 
      content class will be converted to OLiMS model class by removing irrelevant code, 
      and adding derivation from this class, with the calling of following in the end
      
      DerivedModel_Of_BaseOLiMSModel.initialze(bika_schema)
      '''
             
      @classmethod
      def initialze(cls, schema):
          # take out each filed from the passed schema and:
          # 1. make a model variable for it, and assign this field to this variable
          # 2. make getter methods for each model variable defined in step 1
          for field in schema:
              add_a_field(cls, field)
  #             add_a_getter(cls, field)
              pass
          pass       
      pass
                                      
  
                      
subject: Make comment of 'add_a_getter' method