Datasets:
Matej Klemen
Fix issue with some default language tags being incorrectly formatted using IOB2
0389c7f
| import os | |
| import re | |
| import xml.etree.ElementTree as ET | |
| import datasets | |
| XML_NAMESPACE = "{http://www.w3.org/XML/1998/namespace}" | |
| DEFAULT_LANG = "default" | |
| _CITATION = """\ | |
| @misc{janes_preklop, | |
| title = {Tweet code-switching corpus Janes-Preklop 1.0}, | |
| author = {Reher, {\v S}pela and Erjavec, Toma{\v z} and Fi{\v s}er, Darja}, | |
| url = {http://hdl.handle.net/11356/1154}, | |
| note = {Slovenian language resource repository {CLARIN}.{SI}}, | |
| copyright = {Creative Commons - Attribution-{ShareAlike} 4.0 International ({CC} {BY}-{SA} 4.0)}, | |
| issn = {2820-4042}, | |
| year = {2017} | |
| } | |
| """ | |
| _DESCRIPTION = """\ | |
| Janes-Preklop is a corpus of Slovene tweets that is manually annotated for code-switching (the use of words from two | |
| or more languages within one sentence or utterance), according to the supplied typology. | |
| """ | |
| _HOMEPAGE = "http://nl.ijs.si/janes/" | |
| _LICENSE = "Creative Commons - Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)" | |
| _URLS = { | |
| "janes_preklop_tei": "https://www.clarin.si/repository/xmlui/bitstream/handle/11356/1154/Janes-Preklop.TEI.zip" | |
| } | |
| def namespace(element): | |
| # https://stackoverflow.com/a/12946675 | |
| m = re.match(r'\{.*\}', element.tag) | |
| return m.group(0) if m else '' | |
| def word_info(wordlike_tag, _namespace): | |
| if wordlike_tag.tag == f"{_namespace}c": | |
| return None, None | |
| elif wordlike_tag.tag in {f"{_namespace}w", f"{_namespace}pc"}: | |
| _word = wordlike_tag.text.strip() | |
| return [_word], None | |
| words, lang = [], [] | |
| if wordlike_tag.tag == f"{_namespace}choice": | |
| # Ignore <orig>, keep <reg>ularized text | |
| reg_tag = wordlike_tag.find(f"{_namespace}reg") | |
| for _child in reg_tag: | |
| _child_words, _child_langs = word_info(_child, _namespace) | |
| if _child_words is None: | |
| continue | |
| words.extend(_child_words) | |
| if _child_langs is None: | |
| _child_langs = [DEFAULT_LANG for _ in range(len(_child_words))] | |
| lang.extend(_child_langs) | |
| return words, lang | |
| elif wordlike_tag.tag == f"{_namespace}seg": | |
| codeswitch_lang = wordlike_tag.attrib.get(f"{XML_NAMESPACE}lang", DEFAULT_LANG) | |
| _seg_words, _seg_langs = [], [] | |
| for _child in wordlike_tag: | |
| _child_words, _child_langs = word_info(_child, _namespace) | |
| if _child_words is None: | |
| continue | |
| _seg_words.extend(_child_words) | |
| if _child_langs is None: | |
| _child_langs = [codeswitch_lang for _ in range(len(_child_words))] | |
| _seg_langs.extend(_child_langs) | |
| if codeswitch_lang != DEFAULT_LANG: | |
| _seg_langs = [codeswitch_lang for _ in _seg_langs] | |
| if _seg_langs[0] != DEFAULT_LANG: | |
| _seg_langs[0] = f"B-{_seg_langs[0]}" | |
| for _i in range(1, len(_seg_words)): | |
| _seg_langs[_i] = f"I-{_seg_langs[_i]}" | |
| words.extend(_seg_words) | |
| lang.extend(_seg_langs) | |
| return words, lang | |
| class JanesPreklop(datasets.GeneratorBasedBuilder): | |
| """Code-switched Slovene tweet dataset. """ | |
| VERSION = datasets.Version("1.0.0") | |
| def _info(self): | |
| features = datasets.Features( | |
| { | |
| "id": datasets.Value("string"), | |
| "words": datasets.Sequence(datasets.Value("string")), | |
| "language": datasets.Sequence(datasets.Value("string")) | |
| } | |
| ) | |
| return datasets.DatasetInfo( | |
| description=_DESCRIPTION, | |
| features=features, | |
| homepage=_HOMEPAGE, | |
| license=_LICENSE, | |
| citation=_CITATION, | |
| ) | |
| def _split_generators(self, dl_manager): | |
| urls = _URLS["janes_preklop_tei"] | |
| data_dir = dl_manager.download_and_extract(urls) | |
| return [ | |
| datasets.SplitGenerator( | |
| name=datasets.Split.TRAIN, | |
| gen_kwargs={"file_path": os.path.join(data_dir, "Janes-Preklop.TEI", "janes.preklop.body.xml")}, | |
| ) | |
| ] | |
| def _generate_examples(self, file_path): | |
| curr_doc = ET.parse(file_path) | |
| root = curr_doc.getroot() | |
| NAMESPACE = namespace(root) | |
| idx_ex = 0 | |
| for curr_ex in root.iterfind(f"{NAMESPACE}ab"): | |
| ex_words, ex_langs = [], [] | |
| for child_tag in curr_ex: | |
| if child_tag.tag not in {f"{NAMESPACE}s", f"{NAMESPACE}c"}: | |
| continue | |
| if child_tag.tag == f"{NAMESPACE}c": | |
| continue | |
| # Iterate over elements of a <s>entence | |
| for word_or_seg_tag in child_tag: | |
| _words, _langs = word_info(word_or_seg_tag, NAMESPACE) | |
| if _words is None: | |
| continue | |
| if _langs is None: | |
| _langs = [DEFAULT_LANG for _ in range(len(_words))] | |
| ex_words.extend(_words) | |
| ex_langs.extend(_langs) | |
| yield idx_ex, { | |
| "id": curr_ex.attrib[f"{XML_NAMESPACE}id"], | |
| "words": ex_words, | |
| "language": ex_langs | |
| } | |
| idx_ex += 1 | |