Datasets:
Languages:
English
Multilinguality:
monolingual
Size Categories:
10K<n<100K
Language Creators:
found
Annotations Creators:
no-annotation
Source Datasets:
original
Tags:
License:
# Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor. | |
# | |
# 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 os | |
import datasets | |
_CITATION = "" | |
# You can copy an official description | |
_DESCRIPTION = """\ | |
The dataset is based on the Hutter Prize (http://prize.hutter1.net) and contains the first 10^8 bytes of English Wikipedia in 2006 in XML | |
""" | |
_HOMEPAGE = "http://mattmahoney.net/dc/textdata.html" | |
_LICENSE = "" | |
# The HuggingFace Datasets library doesn't host the datasets but only points to the original files. | |
# This can be an arbitrary nested dict/list of URLs (see below in `_split_generators` method) | |
_URLS = {"source": "http://mattmahoney.net/dc/enwik8.zip"} | |
class Enwik8(datasets.GeneratorBasedBuilder): | |
VERSION = datasets.Version("1.1.0") | |
BUILDER_CONFIGS = [ | |
datasets.BuilderConfig( | |
name="enwik8", | |
version=VERSION, | |
description="This version of the dataset contains a split by line version with all content", | |
), | |
datasets.BuilderConfig( | |
name="enwik8-raw", | |
version=VERSION, | |
description="This version of the dataset contains a raw string version split with all content", | |
), | |
] | |
DEFAULT_CONFIG_NAME = "enwik8" | |
def _info(self): | |
return datasets.DatasetInfo( | |
description=_DESCRIPTION, | |
features=datasets.Features( | |
{ | |
"text": datasets.Value("string"), | |
} | |
), | |
homepage=_HOMEPAGE, | |
license=_LICENSE, | |
citation=_CITATION, | |
) | |
def _split_generators(self, dl_manager): | |
urls = _URLS["source"] | |
data_dir = dl_manager.download_and_extract(urls) | |
return [ | |
datasets.SplitGenerator( | |
name=datasets.Split.TRAIN, | |
gen_kwargs={ | |
"filepath": os.path.join(data_dir, "enwik8"), | |
"split": "train", | |
}, | |
) | |
] | |
# method parameters are unpacked from `gen_kwargs` as given in `_split_generators` | |
def _generate_examples(self, filepath, split): | |
with open(filepath, encoding="utf-8") as f: | |
if self.config.name.endswith("raw"): | |
yield 0, {"text": f.read()} | |
else: | |
for key, line in enumerate(f): | |
yield key, {"text": line.strip()} | |