text: #!/usr/bin/python
  #
  #  Copyright 2002-2019 Barcelona Supercomputing Center (www.bsc.es)
  #
  #  Licensed under the Apache License, Version 2.0 (the "License");
  #  you may not use this file except in compliance with the License.
  #  You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #  See the License for the specific language governing permissions and
  #  limitations under the License.
  #
  
  # -*- coding: utf-8 -*-
  
  # For better print formatting
  from __future__ import print_function
  
  
  #
  # HELPER CLASS
  #
  
  class MyElement(object):
  
      def __init__(self, input_file):
          self.input_files = [input_file]
          self.processed = False
  
      def add_inputs(self, input_files):
          self.input_files.extend(input_files)
  
      def set_processed(self):
          self.processed = True
  