Add a dataset loading script

README.md

@@ -1,3 +1,117 @@
 ---
-license: cc-by-sa-3.0
+dataset_info:
+- config_name: corpus-jawiki-20230403
+  features:
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3569619848
+    num_examples: 24387500
+  download_size: 1297833377
+  dataset_size: 3569619848
+- config_name: corpus-jawiki-20230403-cirrus
+  features:
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 4779055224
+    num_examples: 28018607
+  download_size: 1730081783
+  dataset_size: 4779055224
+- config_name: corpus-jawiki-20230403-filtered-large
+  features:
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3027074884
+    num_examples: 20133720
+  download_size: 1092808039
+  dataset_size: 3027074884
+- config_name: paragraphs-jawiki-20230403
+  features:
+  - name: id
+    dtype: string
+  - name: pageid
+    dtype: int64
+  - name: revid
+    dtype: int64
+  - name: paragraph_index
+    dtype: int64
+  - name: title
+    dtype: string
+  - name: section
+    dtype: string
+  - name: text
+    dtype: string
+  - name: html_tag
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 4417130987
+    num_examples: 9668476
+  download_size: 1489512230
+  dataset_size: 4417130987
+- config_name: passages-c300-jawiki-20230403
+  features:
+  - name: id
+    dtype: int64
+  - name: pageid
+    dtype: int64
+  - name: revid
+    dtype: int64
+  - name: title
+    dtype: string
+  - name: section
+    dtype: string
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3939431360
+    num_examples: 6639833
+  download_size: 1402596784
+  dataset_size: 3939431360
+- config_name: passages-c400-jawiki-20230403
+  features:
+  - name: id
+    dtype: int64
+  - name: pageid
+    dtype: int64
+  - name: revid
+    dtype: int64
+  - name: title
+    dtype: string
+  - name: section
+    dtype: string
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3868482519
+    num_examples: 5555583
+  download_size: 1393661115
+  dataset_size: 3868482519
+- config_name: passages-para-jawiki-20230403
+  features:
+  - name: id
+    dtype: int64
+  - name: pageid
+    dtype: int64
+  - name: revid
+    dtype: int64
+  - name: title
+    dtype: string
+  - name: section
+    dtype: string
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3751418134
+    num_examples: 9397066
+  download_size: 1296071247
+  dataset_size: 3751418134
 ---

wikipedia-utils.py

@@ -0,0 +1,104 @@
+# 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.
+"""Wikipedia-Utils: Preprocessed Wikipedia Texts for NLP"""
+
+
+import json
+from typing import Dict, Iterator, List, Tuple, Union
+
+import datasets
+
+
+_DESCRIPTION = "Preprocessed Wikipedia texts generated with scripts in singletongue/wikipedia-utils repo."
+
+_HOMEPAGE = "https://github.com/singletongue/wikipedia-utils"
+
+_LICENSE = "The content of Wikipedia is licensed under the CC-BY-SA 3.0 and GFDL licenses."
+
+_URL_BASE = "https://github.com/singletongue/wikipedia-utils/releases/download"
+_URLS = {
+    "corpus-jawiki-20230403": f"{_URL_BASE}/2023-04-03/corpus-jawiki-20230403.txt.gz",
+    "corpus-jawiki-20230403-cirrus": f"{_URL_BASE}/2023-04-03/corpus-jawiki-20230403-cirrus.txt.gz",
+    "corpus-jawiki-20230403-filtered-large": f"{_URL_BASE}/2023-04-03/corpus-jawiki-20230403-filtered-large.txt.gz",
+    "paragraphs-jawiki-20230403": f"{_URL_BASE}/2023-04-03/paragraphs-jawiki-20230403.json.gz",
+    "passages-c300-jawiki-20230403": f"{_URL_BASE}/2023-04-03/passages-c300-jawiki-20230403.json.gz",
+    "passages-c400-jawiki-20230403": f"{_URL_BASE}/2023-04-03/passages-c400-jawiki-20230403.json.gz",
+    "passages-para-jawiki-20230403": f"{_URL_BASE}/2023-04-03/passages-para-jawiki-20230403.json.gz",
+}
+
+_VERSION = datasets.Version("1.0.0")
+
+
+class WikipediaUtils(datasets.GeneratorBasedBuilder):
+    """Wikipedia-Utils dataset."""
+
+    BUILDER_CONFIGS = [datasets.BuilderConfig(name=name, version=_VERSION) for name in _URLS.keys()]
+
+    def _info(self) -> datasets.DatasetInfo:
+        if self.config.name.startswith("corpus"):
+            features = datasets.Features({"text": datasets.Value("string")})
+        elif self.config.name.startswith("paragraphs"):
+            features = datasets.Features(
+                {
+                    "id": datasets.Value("string"),
+                    "pageid": datasets.Value("int64"),
+                    "revid": datasets.Value("int64"),
+                    "paragraph_index": datasets.Value("int64"),
+                    "title": datasets.Value("string"),
+                    "section": datasets.Value("string"),
+                    "text": datasets.Value("string"),
+                    "html_tag": datasets.Value("string"),
+                }
+            )
+        elif self.config.name.startswith("passages"):
+            features = datasets.Features(
+                {
+                    "id": datasets.Value("int64"),
+                    "pageid": datasets.Value("int64"),
+                    "revid": datasets.Value("int64"),
+                    "title": datasets.Value("string"),
+                    "section": datasets.Value("string"),
+                    "text": datasets.Value("string"),
+                }
+            )
+        else:
+            raise ValueError("Invalid dataset config name is specified.")
+
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=features,
+            homepage=_HOMEPAGE,
+            license=_LICENSE,
+        )
+
+    def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]:
+        url = _URLS[self.config.name]
+        filepath = dl_manager.download_and_extract(url)
+        return [datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": filepath})]
+
+    def _generate_examples(self, filepath: str) -> Iterator[Tuple[int, Dict[str, Union[int, str]]]]:
+        if self.config.name.startswith("corpus"):
+            with open(filepath) as f:
+                for id_, line in enumerate(f):
+                    line = line.rstrip("\n")
+                    yield id_, {"text": line}
+
+        elif self.config.name.startswith(("paragraphs", "passages")):
+            with open(filepath) as f:
+                for line in f:
+                    item = json.loads(line)
+                    yield item["id"], item
+
+        else:
+            raise ValueError("Invalid dataset config name is specified.")