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#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import argparse
from fairseq.data import Dictionary, data_utils, indexed_dataset
def get_parser():
parser = argparse.ArgumentParser(
description="writes text from binarized file to stdout"
)
# fmt: off
parser.add_argument('--dataset-impl', help='dataset implementation',
choices=indexed_dataset.get_available_dataset_impl())
parser.add_argument('--dict', metavar='FP', help='dictionary containing known words', default=None)
parser.add_argument('--input', metavar='FP', required=True, help='binarized file to read')
# fmt: on
return parser
def main():
parser = get_parser()
args = parser.parse_args()
dictionary = Dictionary.load(args.dict) if args.dict is not None else None
dataset = data_utils.load_indexed_dataset(
args.input,
dictionary,
dataset_impl=args.dataset_impl,
default="lazy",
)
for tensor_line in dataset:
if dictionary is None:
line = " ".join([str(int(x)) for x in tensor_line])
else:
line = dictionary.string(tensor_line)
print(line)
if __name__ == "__main__":
main()
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