wehub-resource-sync
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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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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import collections
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import os
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from paddle.dataset.common import md5file
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from paddle.utils.download import get_path_from_url
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from ..utils.env import DATA_HOME
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from .dataset import DatasetBuilder
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__all__ = ["PTB"]
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class PTB(DatasetBuilder):
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"""
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This is the Penn Treebank Project: Release 2 CDROM, featuring a million
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words of 1989 Wall Street Journal material.
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"""
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URL = "https://bj.bcebos.com/paddlenlp/datasets/rnnlm/simple-examples.tgz"
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MD5 = "30177ea32e27c525793142b6bf2c8e2d"
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META_INFO = collections.namedtuple("META_INFO", ("file", "md5"))
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SPLITS = {
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"train": META_INFO(
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os.path.join("simple-examples", "data", "ptb.train.txt"), "f26c4b92c5fdc7b3f8c7cdcb991d8420"
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),
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"valid": META_INFO(
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os.path.join("simple-examples", "data", "ptb.valid.txt"), "aa0affc06ff7c36e977d7cd49e3839bf"
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),
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"test": META_INFO(os.path.join("simple-examples", "data", "ptb.test.txt"), "8b80168b89c18661a38ef683c0dc3721"),
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}
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def _get_data(self, mode, **kwargs):
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default_root = os.path.join(DATA_HOME, self.__class__.__name__)
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filename, data_hash = self.SPLITS[mode]
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fullname = os.path.join(default_root, filename)
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if not os.path.exists(fullname) or (data_hash and not md5file(fullname) == data_hash):
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get_path_from_url(self.URL, default_root, self.MD5)
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return fullname
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def _read(self, filename, *args):
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with open(filename, "r", encoding="utf-8") as f:
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for line in f:
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line_stripped = line.strip()
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yield {"sentence": line_stripped}
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