create a standard data object based on CSV file

def _create_from_csv(self):
        """
        create a standard data object based on CSV file
        """
       
        import aikif.dataTools.cls_datatable as cl
        fle = cl.DataTable(self.input_data, ',')
        fle.load_to_array()
        self.content['data'] = fle.arr
        
        
        lg.record_process('_create_from_csv', 'read ' + self._calc_size_stats() + ' from ' + self.input_data)