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Update files from the datasets library (from 1.0.0)

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Release notes: https://github.com/huggingface/datasets/releases/tag/1.0.0

Files changed (3) hide show
  1. .gitattributes +27 -0
  2. dataset_infos.json +1 -0
  3. wikipedia.py +563 -0
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dataset_infos.json ADDED
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wikipedia.py ADDED
@@ -0,0 +1,563 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # coding=utf-8
2
+ # Copyright 2020 The TensorFlow Datasets Authors and the HuggingFace Datasets Authors.
3
+ #
4
+ # Licensed under the Apache License, Version 2.0 (the "License");
5
+ # you may not use this file except in compliance with the License.
6
+ # You may obtain a copy of the License at
7
+ #
8
+ # http://www.apache.org/licenses/LICENSE-2.0
9
+ #
10
+ # Unless required by applicable law or agreed to in writing, software
11
+ # distributed under the License is distributed on an "AS IS" BASIS,
12
+ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
+ # See the License for the specific language governing permissions and
14
+ # limitations under the License.
15
+
16
+ # Lint as: python3
17
+ """Wikipedia dataset containing cleaned articles of all languages."""
18
+
19
+ from __future__ import absolute_import, division, print_function
20
+
21
+ import codecs
22
+ import json
23
+ import logging
24
+ import re
25
+ import xml.etree.cElementTree as etree
26
+
27
+ import six
28
+
29
+ import datasets
30
+
31
+
32
+ if six.PY3:
33
+ import bz2 # pylint:disable=g-import-not-at-top
34
+ else:
35
+ # py2's built-in bz2 package does not support reading from file objects.
36
+ import bz2file as bz2 # pylint:disable=g-import-not-at-top
37
+
38
+ _CITATION = """\
39
+ @ONLINE {wikidump,
40
+ author = {Wikimedia Foundation},
41
+ title = {Wikimedia Downloads},
42
+ url = {https://dumps.wikimedia.org}
43
+ }
44
+ """
45
+
46
+ _DESCRIPTION = """\
47
+ Wikipedia dataset containing cleaned articles of all languages.
48
+ The datasets are built from the Wikipedia dump
49
+ (https://dumps.wikimedia.org/) with one split per language. Each example
50
+ contains the content of one full Wikipedia article with cleaning to strip
51
+ markdown and unwanted sections (references, etc.).
52
+ """
53
+
54
+ _LICENSE = (
55
+ "This work is licensed under the Creative Commons Attribution-ShareAlike "
56
+ "3.0 Unported License. To view a copy of this license, visit "
57
+ "http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to "
58
+ "Creative Commons, PO Box 1866, Mountain View, CA 94042, USA."
59
+ )
60
+
61
+ # Source: https://en.wikipedia.org/wiki/List_of_Wikipedias (accessed 3/1/2019)
62
+ # Removed because no articles: hz.
63
+ WIKIPEDIA_LANGUAGES = [
64
+ "aa",
65
+ "ab",
66
+ "ace",
67
+ "ady",
68
+ "af",
69
+ "ak",
70
+ "als",
71
+ "am",
72
+ "an",
73
+ "ang",
74
+ "ar",
75
+ "arc",
76
+ "arz",
77
+ "as",
78
+ "ast",
79
+ "atj",
80
+ "av",
81
+ "ay",
82
+ "az",
83
+ "azb",
84
+ "ba",
85
+ "bar",
86
+ "bat-smg",
87
+ "bcl",
88
+ "be",
89
+ "be-x-old",
90
+ "bg",
91
+ "bh",
92
+ "bi",
93
+ "bjn",
94
+ "bm",
95
+ "bn",
96
+ "bo",
97
+ "bpy",
98
+ "br",
99
+ "bs",
100
+ "bug",
101
+ "bxr",
102
+ "ca",
103
+ "cbk-zam",
104
+ "cdo",
105
+ "ce",
106
+ "ceb",
107
+ "ch",
108
+ "cho",
109
+ "chr",
110
+ "chy",
111
+ "ckb",
112
+ "co",
113
+ "cr",
114
+ "crh",
115
+ "cs",
116
+ "csb",
117
+ "cu",
118
+ "cv",
119
+ "cy",
120
+ "da",
121
+ "de",
122
+ "din",
123
+ "diq",
124
+ "dsb",
125
+ "dty",
126
+ "dv",
127
+ "dz",
128
+ "ee",
129
+ "el",
130
+ "eml",
131
+ "en",
132
+ "eo",
133
+ "es",
134
+ "et",
135
+ "eu",
136
+ "ext",
137
+ "fa",
138
+ "ff",
139
+ "fi",
140
+ "fiu-vro",
141
+ "fj",
142
+ "fo",
143
+ "fr",
144
+ "frp",
145
+ "frr",
146
+ "fur",
147
+ "fy",
148
+ "ga",
149
+ "gag",
150
+ "gan",
151
+ "gd",
152
+ "gl",
153
+ "glk",
154
+ "gn",
155
+ "gom",
156
+ "gor",
157
+ "got",
158
+ "gu",
159
+ "gv",
160
+ "ha",
161
+ "hak",
162
+ "haw",
163
+ "he",
164
+ "hi",
165
+ "hif",
166
+ "ho",
167
+ "hr",
168
+ "hsb",
169
+ "ht",
170
+ "hu",
171
+ "hy",
172
+ "ia",
173
+ "id",
174
+ "ie",
175
+ "ig",
176
+ "ii",
177
+ "ik",
178
+ "ilo",
179
+ "inh",
180
+ "io",
181
+ "is",
182
+ "it",
183
+ "iu",
184
+ "ja",
185
+ "jam",
186
+ "jbo",
187
+ "jv",
188
+ "ka",
189
+ "kaa",
190
+ "kab",
191
+ "kbd",
192
+ "kbp",
193
+ "kg",
194
+ "ki",
195
+ "kj",
196
+ "kk",
197
+ "kl",
198
+ "km",
199
+ "kn",
200
+ "ko",
201
+ "koi",
202
+ "krc",
203
+ "ks",
204
+ "ksh",
205
+ "ku",
206
+ "kv",
207
+ "kw",
208
+ "ky",
209
+ "la",
210
+ "lad",
211
+ "lb",
212
+ "lbe",
213
+ "lez",
214
+ "lfn",
215
+ "lg",
216
+ "li",
217
+ "lij",
218
+ "lmo",
219
+ "ln",
220
+ "lo",
221
+ "lrc",
222
+ "lt",
223
+ "ltg",
224
+ "lv",
225
+ "mai",
226
+ "map-bms",
227
+ "mdf",
228
+ "mg",
229
+ "mh",
230
+ "mhr",
231
+ "mi",
232
+ "min",
233
+ "mk",
234
+ "ml",
235
+ "mn",
236
+ "mr",
237
+ "mrj",
238
+ "ms",
239
+ "mt",
240
+ "mus",
241
+ "mwl",
242
+ "my",
243
+ "myv",
244
+ "mzn",
245
+ "na",
246
+ "nah",
247
+ "nap",
248
+ "nds",
249
+ "nds-nl",
250
+ "ne",
251
+ "new",
252
+ "ng",
253
+ "nl",
254
+ "nn",
255
+ "no",
256
+ "nov",
257
+ "nrm",
258
+ "nso",
259
+ "nv",
260
+ "ny",
261
+ "oc",
262
+ "olo",
263
+ "om",
264
+ "or",
265
+ "os",
266
+ "pa",
267
+ "pag",
268
+ "pam",
269
+ "pap",
270
+ "pcd",
271
+ "pdc",
272
+ "pfl",
273
+ "pi",
274
+ "pih",
275
+ "pl",
276
+ "pms",
277
+ "pnb",
278
+ "pnt",
279
+ "ps",
280
+ "pt",
281
+ "qu",
282
+ "rm",
283
+ "rmy",
284
+ "rn",
285
+ "ro",
286
+ "roa-rup",
287
+ "roa-tara",
288
+ "ru",
289
+ "rue",
290
+ "rw",
291
+ "sa",
292
+ "sah",
293
+ "sat",
294
+ "sc",
295
+ "scn",
296
+ "sco",
297
+ "sd",
298
+ "se",
299
+ "sg",
300
+ "sh",
301
+ "si",
302
+ "simple",
303
+ "sk",
304
+ "sl",
305
+ "sm",
306
+ "sn",
307
+ "so",
308
+ "sq",
309
+ "sr",
310
+ "srn",
311
+ "ss",
312
+ "st",
313
+ "stq",
314
+ "su",
315
+ "sv",
316
+ "sw",
317
+ "szl",
318
+ "ta",
319
+ "tcy",
320
+ "te",
321
+ "tet",
322
+ "tg",
323
+ "th",
324
+ "ti",
325
+ "tk",
326
+ "tl",
327
+ "tn",
328
+ "to",
329
+ "tpi",
330
+ "tr",
331
+ "ts",
332
+ "tt",
333
+ "tum",
334
+ "tw",
335
+ "ty",
336
+ "tyv",
337
+ "udm",
338
+ "ug",
339
+ "uk",
340
+ "ur",
341
+ "uz",
342
+ "ve",
343
+ "vec",
344
+ "vep",
345
+ "vi",
346
+ "vls",
347
+ "vo",
348
+ "wa",
349
+ "war",
350
+ "wo",
351
+ "wuu",
352
+ "xal",
353
+ "xh",
354
+ "xmf",
355
+ "yi",
356
+ "yo",
357
+ "za",
358
+ "zea",
359
+ "zh",
360
+ "zh-classical",
361
+ "zh-min-nan",
362
+ "zh-yue",
363
+ "zu",
364
+ ]
365
+
366
+ _BASE_URL_TMPL = "https://dumps.wikimedia.org/{lang}wiki/{date}/"
367
+ _INFO_FILE = "dumpstatus.json"
368
+
369
+
370
+ class WikipediaConfig(datasets.BuilderConfig):
371
+ """BuilderConfig for Wikipedia."""
372
+
373
+ def __init__(self, language=None, date=None, **kwargs):
374
+ """BuilderConfig for Wikipedia.
375
+
376
+ Args:
377
+ language: string, the language code for the Wikipedia dump to use.
378
+ date: string, date of the Wikipedia dump in YYYYMMDD format. A list of
379
+ available dates can be found at https://dumps.wikimedia.org/enwiki/.
380
+ **kwargs: keyword arguments forwarded to super.
381
+ """
382
+ super(WikipediaConfig, self).__init__(
383
+ name="{0}.{1}".format(date, language),
384
+ description="Wikipedia dataset for {0}, parsed from {1} dump.".format(language, date),
385
+ **kwargs,
386
+ )
387
+ self.date = date
388
+ self.language = language
389
+
390
+
391
+ _VERSION = datasets.Version("1.0.0", "")
392
+
393
+
394
+ class Wikipedia(datasets.BeamBasedBuilder):
395
+ """Wikipedia dataset."""
396
+
397
+ # Use mirror (your.org) to avoid download caps.
398
+
399
+ BUILDER_CONFIGS = [
400
+ WikipediaConfig(
401
+ version=_VERSION,
402
+ language=lang,
403
+ date="20200501",
404
+ ) # pylint:disable=g-complex-comprehension
405
+ for lang in WIKIPEDIA_LANGUAGES
406
+ ]
407
+
408
+ def _info(self):
409
+ return datasets.DatasetInfo(
410
+ description=_DESCRIPTION,
411
+ features=datasets.Features({"title": datasets.Value("string"), "text": datasets.Value("string")}),
412
+ # No default supervised_keys.
413
+ supervised_keys=None,
414
+ homepage="https://dumps.wikimedia.org",
415
+ citation=_CITATION,
416
+ )
417
+
418
+ def _split_generators(self, dl_manager, pipeline):
419
+ def _base_url(lang):
420
+ return _BASE_URL_TMPL.format(lang=lang.replace("-", "_"), date=self.config.date)
421
+
422
+ lang = self.config.language
423
+
424
+ info_url = _base_url(lang) + _INFO_FILE
425
+ # Use dictionary since testing mock always returns the same result.
426
+ downloaded_files = dl_manager.download_and_extract({"info": info_url})
427
+
428
+ xml_urls = []
429
+ total_bytes = 0
430
+ with open(downloaded_files["info"], encoding="utf-8") as f:
431
+ dump_info = json.load(f)
432
+ multistream_dump_info = dump_info["jobs"]["articlesmultistreamdump"]
433
+ assert (
434
+ multistream_dump_info["status"] == "done"
435
+ ), "Specified dump (%s) multistream status is not 'done': %s" % (
436
+ _base_url(lang),
437
+ multistream_dump_info["status"],
438
+ )
439
+
440
+ for fname, info in multistream_dump_info["files"].items():
441
+ if ".xml" not in fname:
442
+ continue
443
+ total_bytes += info["size"]
444
+ xml_urls.append(_base_url(lang) + fname)
445
+
446
+ # Use dictionary since testing mock always returns the same result.
447
+ downloaded_files = dl_manager.download({"xml": xml_urls})
448
+ if not pipeline.is_local():
449
+ downloaded_files = dl_manager.ship_files_with_pipeline(downloaded_files, pipeline)
450
+
451
+ return [
452
+ datasets.SplitGenerator( # pylint:disable=g-complex-comprehension
453
+ name=datasets.Split.TRAIN, gen_kwargs={"filepaths": downloaded_files["xml"], "language": lang}
454
+ )
455
+ ]
456
+
457
+ def _build_pcollection(self, pipeline, filepaths, language):
458
+ """Build PCollection of examples in the raw (text) form."""
459
+ import apache_beam as beam
460
+ import mwparserfromhell
461
+
462
+ def _extract_content(filepath):
463
+ """Extracts article content from a single WikiMedia XML file."""
464
+ logging.info("generating examples from = %s", filepath)
465
+ with beam.io.filesystems.FileSystems.open(filepath) as f:
466
+ f = bz2.BZ2File(filename=f)
467
+ if six.PY3:
468
+ # Workaround due to:
469
+ # https://github.com/tensorflow/tensorflow/issues/33563
470
+ utf_f = codecs.getreader("utf-8")(f)
471
+ else:
472
+ utf_f = f
473
+
474
+ # To clear root, to free-up more memory than just `elem.clear()`.
475
+ context = etree.iterparse(utf_f, events=("end",))
476
+ context = iter(context)
477
+ unused_event, root = next(context)
478
+ for unused_event, elem in context:
479
+ if not elem.tag.endswith("page"):
480
+ continue
481
+ namespace = elem.tag[:-4]
482
+ title = elem.find("./{0}title".format(namespace)).text
483
+ ns = elem.find("./{0}ns".format(namespace)).text
484
+ id_ = elem.find("./{0}id".format(namespace)).text
485
+
486
+ # Filter pages that are not in the "main" namespace.
487
+ if ns != "0":
488
+ root.clear()
489
+ continue
490
+
491
+ raw_content = elem.find("./{0}revision/{0}text".format(namespace)).text
492
+ root.clear()
493
+
494
+ # Filter redirects.
495
+ if raw_content is None or raw_content.lower().startswith("#redirect"):
496
+ beam.metrics.Metrics.counter(language, "filtered-redirects").inc()
497
+ continue
498
+
499
+ beam.metrics.Metrics.counter(language, "extracted-examples").inc()
500
+ yield (id_, title, raw_content)
501
+
502
+ def _clean_content(inputs):
503
+ """Cleans raw wikicode to extract text."""
504
+ id_, title, raw_content = inputs
505
+ try:
506
+ text = _parse_and_clean_wikicode(raw_content, parser=mwparserfromhell)
507
+ except (mwparserfromhell.parser.ParserError) as e:
508
+ beam.metrics.Metrics.counter(language, "parser-error").inc()
509
+ logging.error("mwparserfromhell ParseError: %s", e)
510
+ return
511
+
512
+ if not text:
513
+ beam.metrics.Metrics.counter(language, "empty-clean-examples").inc()
514
+ return
515
+
516
+ beam.metrics.Metrics.counter(language, "cleaned-examples").inc()
517
+
518
+ yield id_, {"title": title, "text": text}
519
+
520
+ return (
521
+ pipeline
522
+ | "Initialize" >> beam.Create(filepaths)
523
+ | "Extract content" >> beam.FlatMap(_extract_content)
524
+ | "Distribute" >> beam.transforms.Reshuffle()
525
+ | "Clean content" >> beam.FlatMap(_clean_content)
526
+ )
527
+
528
+
529
+ def _parse_and_clean_wikicode(raw_content, parser):
530
+ """Strips formatting and unwanted sections from raw page content."""
531
+ wikicode = parser.parse(raw_content)
532
+
533
+ # Filters for references, tables, and file/image links.
534
+ re_rm_wikilink = re.compile("^(?:File|Image|Media):", flags=re.IGNORECASE | re.UNICODE)
535
+
536
+ def rm_wikilink(obj):
537
+ return bool(re_rm_wikilink.match(six.text_type(obj.title)))
538
+
539
+ def rm_tag(obj):
540
+ return six.text_type(obj.tag) in {"ref", "table"}
541
+
542
+ def rm_template(obj):
543
+ return obj.name.lower() in {"reflist", "notelist", "notelist-ua", "notelist-lr", "notelist-ur", "notelist-lg"}
544
+
545
+ def try_remove_obj(obj, section):
546
+ try:
547
+ section.remove(obj)
548
+ except ValueError:
549
+ # For unknown reasons, objects are sometimes not found.
550
+ pass
551
+
552
+ section_text = []
553
+ # Filter individual sections to clean.
554
+ for section in wikicode.get_sections(flat=True, include_lead=True, include_headings=True):
555
+ for obj in section.ifilter_wikilinks(matches=rm_wikilink, recursive=True):
556
+ try_remove_obj(obj, section)
557
+ for obj in section.ifilter_templates(matches=rm_template, recursive=True):
558
+ try_remove_obj(obj, section)
559
+ for obj in section.ifilter_tags(matches=rm_tag, recursive=True):
560
+ try_remove_obj(obj, section)
561
+
562
+ section_text.append(section.strip_code().strip())
563
+ return "\n\n".join(section_text)