PolyFormer / fairseq /examples /roberta /preprocess_RACE.py
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init commit
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#!/usr/bin/env python
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
import argparse
import json
import os
import re
class InputExample:
def __init__(self, paragraph, qa_list, label):
self.paragraph = paragraph
self.qa_list = qa_list
self.label = label
def get_examples(data_dir, set_type):
"""
Extract paragraph and question-answer list from each json file
"""
examples = []
levels = ["middle", "high"]
set_type_c = set_type.split("-")
if len(set_type_c) == 2:
levels = [set_type_c[1]]
set_type = set_type_c[0]
for level in levels:
cur_dir = os.path.join(data_dir, set_type, level)
for filename in os.listdir(cur_dir):
cur_path = os.path.join(cur_dir, filename)
with open(cur_path, "r") as f:
cur_data = json.load(f)
answers = cur_data["answers"]
options = cur_data["options"]
questions = cur_data["questions"]
context = cur_data["article"].replace("\n", " ")
context = re.sub(r"\s+", " ", context)
for i in range(len(answers)):
label = ord(answers[i]) - ord("A")
qa_list = []
question = questions[i]
for j in range(4):
option = options[i][j]
if "_" in question:
qa_cat = question.replace("_", option)
else:
qa_cat = " ".join([question, option])
qa_cat = re.sub(r"\s+", " ", qa_cat)
qa_list.append(qa_cat)
examples.append(InputExample(context, qa_list, label))
return examples
def main():
"""
Helper script to extract paragraphs questions and answers from RACE datasets.
"""
parser = argparse.ArgumentParser()
parser.add_argument(
"--input-dir",
help="input directory for downloaded RACE dataset",
)
parser.add_argument(
"--output-dir",
help="output directory for extracted data",
)
args = parser.parse_args()
if not os.path.exists(args.output_dir):
os.makedirs(args.output_dir, exist_ok=True)
for set_type in ["train", "dev", "test-middle", "test-high"]:
examples = get_examples(args.input_dir, set_type)
qa_file_paths = [
os.path.join(args.output_dir, set_type + ".input" + str(i + 1))
for i in range(4)
]
qa_files = [open(qa_file_path, "w") for qa_file_path in qa_file_paths]
outf_context_path = os.path.join(args.output_dir, set_type + ".input0")
outf_label_path = os.path.join(args.output_dir, set_type + ".label")
outf_context = open(outf_context_path, "w")
outf_label = open(outf_label_path, "w")
for example in examples:
outf_context.write(example.paragraph + "\n")
for i in range(4):
qa_files[i].write(example.qa_list[i] + "\n")
outf_label.write(str(example.label) + "\n")
for f in qa_files:
f.close()
outf_label.close()
outf_context.close()
if __name__ == "__main__":
main()