text: # Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
  #
  # 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.
  """
  Data alignment.
  """
  import argparse
  import paddle_fl.mpc.data_utils.alignment as alignment
  
  
  def parse_args():
      """
      Parse arguments.
      """
      parser = argparse.ArgumentParser(description=__doc__)
      parser.add_argument("--party_id", type=int, help="the id of this party")
      parser.add_argument("--endpoints", type=str,
                          default='0:127.0.0.1:11111,1:127.0.0.1:22222',
                          help="id:ip:port info")
      parser.add_argument("--data_file", type=str, help="data file")
      parser.add_argument("--is_receiver", action='store_true', help="whether is receiver")
      args = parser.parse_args()
      return args
  
  
  def do_align(args):
      """
      Do alignment.
      """
      # read data from file
      input_set = set()
      for line in open(args.data_file, 'r'):
          input_set.add(line.strip())
      # do alignment
      result = alignment.align(input_set=input_set,
                               party_id=args.party_id,
                               endpoints=args.endpoints,
                               is_receiver=args.is_receiver)
      return result
  
  
  if __name__ == '__main__':
      # use signal for interrupt from keyboard
      import signal
      signal.signal(signal.SIGINT, signal.SIG_DFL)
  
      args = parse_args()
      print('ARGUMENTS: party_id={}, endpoints={}, is_receiver={}, data_file={}'
            .format(args.party_id, args.endpoints, args.is_receiver, args.data_file))
      align_rst = do_align(args)
      print("Alignment result is: {}".format(align_rst))
  