text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  # Copyright 2017--2018 Amazon.com, Inc. or its affiliates. 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. A copy of the License
  # is located at
  #
  #     http://aws.amazon.com/apache2.0/
  #
  # or in the "license" file accompanying this file. This file 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.
  
  __version__ = '1.5.1'
  __description__ = 'Hassle-free computation of shareable, comparable, and reproducible BLEU, chrF, and TER scores'
  
  
  from .utils import smart_open, SACREBLEU_DIR, download_test_set
  from .utils import get_source_file, get_reference_files
  from .utils import get_available_testsets, get_langpairs_for_testset
  from .dataset import DATASETS
  from .tokenizers import TOKENIZERS, DEFAULT_TOKENIZER
  from .metrics import BLEU, CHRF
  
  # Backward compatibility functions for old style API access (<= 1.4.10)
  from .compat import *
  
  # Other shorthands for backward-compatibility with <= 1.4.10
  extract_ngrams = BLEU.extract_ngrams
  extract_char_ngrams = CHRF.extract_char_ngrams
  ref_stats = BLEU.reference_stats
  compute_bleu = BLEU.compute_bleu
  