36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
# Copyright 2020 The HuggingFace Team. 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.
|
|
import re
|
|
|
|
from filelock import FileLock
|
|
|
|
|
|
try:
|
|
import nltk
|
|
|
|
NLTK_AVAILABLE = True
|
|
except (ImportError, ModuleNotFoundError):
|
|
NLTK_AVAILABLE = False
|
|
|
|
if NLTK_AVAILABLE:
|
|
with FileLock(".lock") as lock:
|
|
nltk.download("punkt", quiet=True)
|
|
|
|
|
|
def add_newline_to_end_of_each_sentence(x: str) -> str:
|
|
"""This was added to get rougeLsum scores matching published rougeL scores for BART and PEGASUS."""
|
|
re.sub("<n>", "", x) # remove pegasus newline char
|
|
assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
|
|
return "\n".join(nltk.sent_tokenize(x))
|