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#
# Pyserini: Python interface to the Anserini IR toolkit built on Lucene
#
# 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 json
import os
import argparse
def convert_collection(args):
print('Converting collection...')
file_index = 0
with open(args.collection_path, encoding='utf-8') as f:
for i, line in enumerate(f):
doc_id, doc_text = line.rstrip().split('\t')
if i % args.max_docs_per_file == 0:
if i > 0:
output_jsonl_file.close()
output_path = os.path.join(args.output_folder, 'docs{:02d}.json'.format(file_index))
output_jsonl_file = open(output_path, 'w', encoding='utf-8', newline='\n')
file_index += 1
output_dict = {'id': doc_id, 'contents': doc_text}
output_jsonl_file.write(json.dumps(output_dict) + '\n')
if i % 100000 == 0:
print(f'Converted {i:,} docs, writing into file {file_index}')
output_jsonl_file.close()
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Convert MSMARCO tsv passage collection into jsonl files for Anserini.')
parser.add_argument('--collection-path', required=True, help='Path to MS MARCO tsv collection.')
parser.add_argument('--output-folder', required=True, help='Output folder.')
parser.add_argument('--max-docs-per-file', default=1000000, type=int,
help='Maximum number of documents in each jsonl file.')
args = parser.parse_args()
if not os.path.exists(args.output_folder):
os.makedirs(args.output_folder)
convert_collection(args)
print('Done!')
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