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Delete openwebtext_script.py

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- # coding=utf-8
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- # Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor.
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- #
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- # Licensed under the Apache License, Version 2.0 (the "License");
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- # you may not use this file except in compliance with the License.
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- # You may obtain a copy of the License at
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- #
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- # http://www.apache.org/licenses/LICENSE-2.0
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- #
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- # Unless required by applicable law or agreed to in writing, software
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- # distributed under the License is distributed on an "AS IS" BASIS,
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- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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- # See the License for the specific language governing permissions and
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- # limitations under the License.
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- """The Open WebText Corpus"""
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-
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-
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- import os
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- import re
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- from itertools import chain
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-
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- import datasets
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-
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-
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- _CITATION = """\
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- @misc{Gokaslan2019OpenWeb,
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- title={OpenWebText Corpus},
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- author={Aaron Gokaslan*, Vanya Cohen*, Ellie Pavlick, Stefanie Tellex},
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- howpublished{\\url{http://Skylion007.github.io/OpenWebTextCorpus}},
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- year={2019}
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- }
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- """
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-
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- _DESCRIPTION = """\
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- An open-source replication of the WebText dataset from OpenAI.
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- """
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-
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- _URL = "https://zenodo.org/record/3834942/files/openwebtext.tar.xz"
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-
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-
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- class Openwebtext(datasets.GeneratorBasedBuilder):
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- """The Open WebText dataset."""
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-
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- BUILDER_CONFIGS = [
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- datasets.BuilderConfig(
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- name="plain_text",
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- description="Plain text",
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- version=datasets.Version("1.0.0"),
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- )
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- ]
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-
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- def _info(self):
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- return datasets.DatasetInfo(
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- description=_DESCRIPTION,
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- features=datasets.Features({"text": datasets.Value("string")}),
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- homepage="https://skylion007.github.io/OpenWebTextCorpus/",
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- citation=_CITATION,
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- )
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-
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- def _split_generators(self, dl_manager):
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- dl_dir = dl_manager.download_and_extract(_URL)
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- owt_dir = os.path.join(dl_dir, "openwebtext")
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- subset_xzs = [
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- os.path.join(owt_dir, file_name)
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- for file_name in sorted(os.listdir(owt_dir))
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- if file_name.endswith("xz") # filter out ...xz.lock
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- ]
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- ex_dirs = dl_manager.extract(subset_xzs, num_proc=round(os.cpu_count() * 0.75))
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- nested_txt_files = [
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- [
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- os.path.join(ex_dir, txt_file_name)
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- for txt_file_name in sorted(os.listdir(ex_dir))
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- if txt_file_name.endswith("txt")
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- ]
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- for ex_dir in ex_dirs
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- ]
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- txt_files = chain(*nested_txt_files)
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- train_end_idx = int(0.9 * len(txt_files))
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- val_end_idx = train_end_idx + int(0.05 * len(txt_files))
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- return [
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- datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"txt_files": txt_files[:train_end_idx], "split": "train"}),
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- datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={"txt_files": txt_files[train_end_idx:val_end_idx], "split": "validation"}),
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- datasets.SplitGenerator(name=datasets.Split.TEST, gen_kwargs={"txt_files": txt_files[val_end_idx:], "split": "test"})
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- ]
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-
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- def _generate_examples(self, txt_files):
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- """Yields examples."""
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- for idx, filepath in enumerate(txt_files):
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- with open(filepath, encoding="utf-8") as f:
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- yield idx, {"text": re.sub("\n\n\n+", "\n\n", f.read()).strip()}