Update version of opus_paracrawl dataset (#4816)

* Update script to 9 version

* Clean code

* Remove configs for unsupported languages

* Update dataset card

* Update metadata JSON

* Update dummy data paths

* Fix quality in citation

Commit from https://github.com/huggingface/datasets/commit/965a537a151dc1d78719791cc40eaaa599563c08

README.md

@@ -18,13 +18,12 @@ language:
 - fr
 - ga
 - gl
-- ha
 - hr
 - hu
-- ig
 - is
 - it
 - km
+- ko
 - lt
 - lv
 - mt
@@ -44,6 +43,8 @@ language:
 - sv
 - sw
 - tl
+- uk
+- zh
 license:
 - cc0-1.0
 multilinguality:
@@ -102,7 +103,7 @@ configs:
 
 - **Homepage:** http://opus.nlpl.eu/ParaCrawl.php
 - **Repository:** None
-- **Paper:** http://www.lrec-conf.org/proceedings/lrec2012/pdf/463_Paper.pdf
+- **Paper:** [ParaCrawl: Web-Scale Acquisition of Parallel Corpora](https://aclanthology.org/2020.acl-main.417/)
 - **Leaderboard:** [More Information Needed]
 - **Point of Contact:** [More Information Needed]
 
@@ -110,7 +111,11 @@ configs:
 
 Parallel corpora from Web Crawls collected in the ParaCrawl project.
 
-Tha dataset contains 40 languages and 41 bitexts.
+Tha dataset contains:
+- 42 languages, 43 bitexts
+- total number of files: 59,996
+- total number of tokens: 56.11G
+- total number of sentence fragments: 3.13G
 
 To load a language pair which isn't part of the config, all you need to do is specify the language code as pairs,
 e.g.
@@ -142,13 +147,12 @@ The languages in the dataset are:
 - fr
 - ga
 - gl
-- ha
 - hr
 - hu
-- ig
 - is
 - it
 - km
+- ko
 - lt
 - lv
 - mt
@@ -168,6 +172,8 @@ The languages in the dataset are:
 - sv
 - sw
 - tl
+- uk
+- zh
 
 ## Dataset Structure
 
@@ -252,19 +258,52 @@ The dataset contains a single `train` split.
 
 ### Citation Information
 
+```bibtex
+@inproceedings{banon-etal-2020-paracrawl,
+    title = "{P}ara{C}rawl: Web-Scale Acquisition of Parallel Corpora",
+    author = "Ba{\~n}{\'o}n, Marta  and
+      Chen, Pinzhen  and
+      Haddow, Barry  and
+      Heafield, Kenneth  and
+      Hoang, Hieu  and
+      Espl{\`a}-Gomis, Miquel  and
+      Forcada, Mikel L.  and
+      Kamran, Amir  and
+      Kirefu, Faheem  and
+      Koehn, Philipp  and
+      Ortiz Rojas, Sergio  and
+      Pla Sempere, Leopoldo  and
+      Ram{\'\i}rez-S{\'a}nchez, Gema  and
+      Sarr{\'\i}as, Elsa  and
+      Strelec, Marek  and
+      Thompson, Brian  and
+      Waites, William  and
+      Wiggins, Dion  and
+      Zaragoza, Jaume",
+    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
+    month = jul,
+    year = "2020",
+    address = "Online",
+    publisher = "Association for Computational Linguistics",
+    url = "https://aclanthology.org/2020.acl-main.417",
+    doi = "10.18653/v1/2020.acl-main.417",
+    pages = "4555--4567",
+}
+```
+
 ```bibtex
 @InProceedings{TIEDEMANN12.463,
-author = {J{\"o}rg Tiedemann},
-title = {Parallel Data, Tools and Interfaces in OPUS},
-booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},
-year = {2012},
-month = {may},
-date = {23-25},
-address = {Istanbul, Turkey},
-editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Ugur Dogan and Bente Maegaard and Joseph Mariani and Jan Odijk and Stelios Piperidis},
-publisher = {European Language Resources Association (ELRA)},
-isbn = {978-2-9517408-7-7},
-language = {english}
+  author = {Jörg Tiedemann},
+  title = {Parallel Data, Tools and Interfaces in OPUS},
+  booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},
+  year = {2012},
+  month = {may},
+  date = {23-25},
+  address = {Istanbul, Turkey},
+  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Uğur Doğan and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},
+  publisher = {European Language Resources Association (ELRA)},
+  isbn = {978-2-9517408-7-7},
+  language = {english}
 }
 ```
 

dataset_infos.json

@@ -1 +1 @@
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null, "_type": "Value"}, "translation": {"languages": ["el", "en"], "id": null, "_type": "Translation"}}, "post_processed": null, "supervised_keys": null, "builder_name": "opus_para_crawl", "config_name": "el-en", "version": {"version_str": "1.0.0", "description": null, "major": 1, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 3184968051, "num_examples": 9402646, "dataset_name": "opus_para_crawl"}}, "download_checksums": {"https://object.pouta.csc.fi/OPUS-ParaCrawl/v7.1/moses/el-en.txt.zip": {"num_bytes": 1125985964, "checksum": "3927d5751765bbcb44f8a11d2bbcde1f54bd777c1bd873f06c5a03e80a96aa0c"}}, "download_size": 1125985964, "post_processing_size": null, "dataset_size": 3184968051, "size_in_bytes": 4310954015}, "en-ha": {"description": "Parallel corpora from Web Crawls collected in the ParaCrawl project\n40 languages, 41 bitexts\ntotal number of files: 20,995\ntotal number of tokens: 21.40G\ntotal number of sentence fragments: 1.12G\n", "citation": 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\"https://aclanthology.org/2020.acl-main.417\",\n    doi = \"10.18653/v1/2020.acl-main.417\",\n    pages = \"4555--4567\",\n}\n@InProceedings{TIEDEMANN12.463,\n  author = {J\u00f6rg Tiedemann},\n  title = {Parallel Data, Tools and Interfaces in OPUS},\n  booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},\n  year = {2012},\n  month = {may},\n  date = {23-25},\n  address = {Istanbul, Turkey},\n  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet U\u011fur Do\u011fan and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},\n  publisher = {European Language Resources Association (ELRA)},\n  isbn = {978-2-9517408-7-7},\n  language = {english}\n}\n", "homepage": "http://opus.nlpl.eu/ParaCrawl.php", "license": "", "features": {"id": {"dtype": "string", "id": null, "_type": "Value"}, "translation": {"languages": ["en", "tl"], "id": null, "_type": "Translation"}}, "post_processed": null, "supervised_keys": null, "task_templates": null, "builder_name": "opus_paracrawl", "config_name": "en-tl", "version": {"version_str": "9.0.0", "description": null, "major": 9, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 82502798, "num_examples": 248689, "dataset_name": "opus_paracrawl"}}, "download_checksums": {"https://object.pouta.csc.fi/OPUS-ParaCrawl/v9/moses/en-tl.txt.zip": {"num_bytes": 32933118, "checksum": "fb2bfa61b3b0ba87621adf39ed512e2cffe8adb31def6aa0deba1fc1c889cdc6"}}, "download_size": 32933118, "post_processing_size": null, "dataset_size": 82502798, "size_in_bytes": 115435916}, "es-gl": {"description": "Parallel corpora from Web Crawls collected in the ParaCrawl project.\n\n42 languages, 43 bitexts\ntotal number of files: 59,996\ntotal number of tokens: 56.11G\ntotal number of sentence fragments: 3.13G\n", "citation": "@inproceedings{banon-etal-2020-paracrawl,\n    title = \"{P}ara{C}rawl: Web-Scale Acquisition of Parallel Corpora\",\n    author = \"Ba{\\~n}{'o}n, Marta  and\n      Chen, Pinzhen  and\n      Haddow, Barry  and\n      Heafield, Kenneth  and\n      Hoang, Hieu  and\n      Espl{\\`a}-Gomis, Miquel  and\n      Forcada, Mikel L.  and\n      Kamran, Amir  and\n      Kirefu, Faheem  and\n      Koehn, Philipp  and\n      Ortiz Rojas, Sergio  and\n      Pla Sempere, Leopoldo  and\n      Ram{'\\i}rez-S{'a}nchez, Gema  and\n      Sarr{'\\i}as, Elsa  and\n      Strelec, Marek  and\n      Thompson, Brian  and\n      Waites, William  and\n      Wiggins, Dion  and\n      Zaragoza, Jaume\",\n    booktitle = \"Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics\",\n    month = jul,\n    year = \"2020\",\n    address = \"Online\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://aclanthology.org/2020.acl-main.417\",\n    doi = \"10.18653/v1/2020.acl-main.417\",\n    pages = \"4555--4567\",\n}\n@InProceedings{TIEDEMANN12.463,\n  author = {J\u00f6rg Tiedemann},\n  title = {Parallel Data, Tools and Interfaces in OPUS},\n  booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},\n  year = {2012},\n  month = {may},\n  date = {23-25},\n  address = {Istanbul, Turkey},\n  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet U\u011fur Do\u011fan and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},\n  publisher = {European Language Resources Association (ELRA)},\n  isbn = {978-2-9517408-7-7},\n  language = {english}\n}\n", "homepage": "http://opus.nlpl.eu/ParaCrawl.php", "license": "", "features": {"id": {"dtype": "string", "id": null, "_type": "Value"}, "translation": {"languages": ["es", "gl"], "id": null, "_type": "Translation"}}, "post_processed": null, "supervised_keys": null, "task_templates": null, "builder_name": "opus_paracrawl", "config_name": "es-gl", "version": {"version_str": "9.0.0", "description": null, "major": 9, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 582660901, "num_examples": 1879689, "dataset_name": "opus_paracrawl"}}, "download_checksums": {"https://object.pouta.csc.fi/OPUS-ParaCrawl/v9/moses/es-gl.txt.zip": {"num_bytes": 236696353, "checksum": "72fa701435f45a52abcf665d90f943cf64222070d4ba2ce8098e5acedaa74ec6"}}, "download_size": 236696353, "post_processing_size": null, "dataset_size": 582660901, "size_in_bytes": 819357254}}

opus_paracrawl.py

@@ -20,37 +20,66 @@ import datasets
 
 
 _DESCRIPTION = """\
-Parallel corpora from Web Crawls collected in the ParaCrawl project
-40 languages, 41 bitexts
-total number of files: 20,995
-total number of tokens: 21.40G
-total number of sentence fragments: 1.12G
+Parallel corpora from Web Crawls collected in the ParaCrawl project.
+
+42 languages, 43 bitexts
+total number of files: 59,996
+total number of tokens: 56.11G
+total number of sentence fragments: 3.13G
 """
-_HOMEPAGE_URL = "http://opus.nlpl.eu/ParaCrawl.php"
-_CITATION = """\
+_HOMEPAGE = "http://opus.nlpl.eu/ParaCrawl.php"
+_CITATION = r"""\
+@inproceedings{banon-etal-2020-paracrawl,
+    title = "{P}ara{C}rawl: Web-Scale Acquisition of Parallel Corpora",
+    author = "Ba{\~n}{\'o}n, Marta  and
+      Chen, Pinzhen  and
+      Haddow, Barry  and
+      Heafield, Kenneth  and
+      Hoang, Hieu  and
+      Espl{\`a}-Gomis, Miquel  and
+      Forcada, Mikel L.  and
+      Kamran, Amir  and
+      Kirefu, Faheem  and
+      Koehn, Philipp  and
+      Ortiz Rojas, Sergio  and
+      Pla Sempere, Leopoldo  and
+      Ram{\'\i}rez-S{\'a}nchez, Gema  and
+      Sarr{\'\i}as, Elsa  and
+      Strelec, Marek  and
+      Thompson, Brian  and
+      Waites, William  and
+      Wiggins, Dion  and
+      Zaragoza, Jaume",
+    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
+    month = jul,
+    year = "2020",
+    address = "Online",
+    publisher = "Association for Computational Linguistics",
+    url = "https://aclanthology.org/2020.acl-main.417",
+    doi = "10.18653/v1/2020.acl-main.417",
+    pages = "4555--4567",
+}
 @InProceedings{TIEDEMANN12.463,
-  author = {J{\"o}rg Tiedemann},
+  author = {Jörg Tiedemann},
   title = {Parallel Data, Tools and Interfaces in OPUS},
   booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},
   year = {2012},
   month = {may},
   date = {23-25},
   address = {Istanbul, Turkey},
-  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Ugur Dogan and Bente Maegaard and Joseph Mariani and Jan Odijk and Stelios Piperidis},
+  editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Uğur Doğan and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},
   publisher = {European Language Resources Association (ELRA)},
   isbn = {978-2-9517408-7-7},
   language = {english}
- }
+}
 """
 
-_VERSION = "1.0.0"
+_VERSION = "9.0.0"
 _BASE_NAME = "ParaCrawl.{}.{}"
-_BASE_URL = "https://object.pouta.csc.fi/OPUS-ParaCrawl/v7.1/moses/{}-{}.txt.zip"
+_BASE_URL = "https://object.pouta.csc.fi/OPUS-ParaCrawl/v9/moses/{}-{}.txt.zip"
 # Please note that only few pairs are shown here. You can use config to generate data for all language pairs
 _LANGUAGE_PAIRS = [
     ("el", "en"),
-    ("en", "ha"),
-    ("en", "ig"),
     ("en", "km"),
     ("en", "so"),
     ("de", "pl"),
@@ -95,7 +124,7 @@ class OpusParaCrawl(datasets.GeneratorBasedBuilder):
                 },
             ),
             supervised_keys=None,
-            homepage=_HOMEPAGE_URL,
+            homepage=_HOMEPAGE,
             citation=_CITATION,
         )
 
@@ -110,21 +139,17 @@ class OpusParaCrawl(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, datapath):
-        l1, l2 = self.config.lang1, self.config.lang2
-        folder = l1 + "-" + l2
-        l1_file = _BASE_NAME.format(folder, l1)
-        l2_file = _BASE_NAME.format(folder, l2)
-        l1_path = os.path.join(datapath, l1_file)
-        l2_path = os.path.join(datapath, l2_file)
-        with open(l1_path, encoding="utf-8") as f1, open(l2_path, encoding="utf-8") as f2:
-            for sentence_counter, (x, y) in enumerate(zip(f1, f2)):
-                x = x.strip()
-                y = y.strip()
-                result = (
-                    sentence_counter,
-                    {
-                        "id": str(sentence_counter),
-                        "translation": {l1: x, l2: y},
-                    },
-                )
-                yield result
+        lang1, lang2 = self.config.lang1, self.config.lang2
+        folder = lang1 + "-" + lang2
+        lang1_filename = _BASE_NAME.format(folder, lang1)
+        lang2_filename = _BASE_NAME.format(folder, lang2)
+        lang1_path = os.path.join(datapath, lang1_filename)
+        lang2_path = os.path.join(datapath, lang2_filename)
+        with open(lang1_path, encoding="utf-8") as f1, open(lang2_path, encoding="utf-8") as f2:
+            for id_, (lang1_sentence, lang2_sentence) in enumerate(zip(f1, f2)):
+                lang1_sentence = lang1_sentence.strip()
+                lang2_sentence = lang2_sentence.strip()
+                yield id_, {
+                    "id": str(id_),
+                    "translation": {lang1: lang1_sentence, lang2: lang2_sentence},
+                }