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import os
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import gzip
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import datasets
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logger = datasets.logging.get_logger(__name__)
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_DESCRIPTION = """
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This is a version of the Kubhist 2 dataset created, curated and made available by Språkbanken Text (SBX) at the University of Gothenburg (Sweden) under the CC BY 4.0 license.
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This is a a corpus of OCRed newspapers from Sweden spanning the 1640s to the 1900s.
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The original data is available with many types of annotation in XML at https://spraakbanken.gu.se/en/resources/kubhist2.
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A good description of the data is available in this blog entry by Dana Dannélls: https://spraakbanken.gu.se/blogg/index.php/2019/09/15/the-kubhist-corpus-of-swedish-newspapers/
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In a nutshell, this hugginface dataset version offers:
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- only the OCRed text
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- available in decadal subsets
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License is CC BY 4.0 with attribution.
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"""
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_HOMEPAGE = "https://github.com/iguanodon-ai/kubhist2"
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_LICENSE = "CC BY 4.0"
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_BASE_DIR = "text"
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_URLS = {'1640': os.path.join(_BASE_DIR, '1640/1640.txt.gz'),
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'1650': os.path.join(_BASE_DIR, '1650/1650.txt.gz'),
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'1660': os.path.join(_BASE_DIR, '1660/1660.txt.gz'),
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'1670': os.path.join(_BASE_DIR, '1670/1670.txt.gz'),
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'1680': os.path.join(_BASE_DIR, '1680/1680.txt.gz'),
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'1690': os.path.join(_BASE_DIR, '1690/1690.txt.gz'),
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'1700': os.path.join(_BASE_DIR, '1700/1700.txt.gz'),
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'1710': os.path.join(_BASE_DIR, '1710/1710.txt.gz'),
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'1720': os.path.join(_BASE_DIR, '1720/1720.txt.gz'),
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'1730': os.path.join(_BASE_DIR, '1730/1730.txt.gz'),
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'1740': os.path.join(_BASE_DIR, '1740/1740.txt.gz'),
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'1750': os.path.join(_BASE_DIR, '1750/1750.txt.gz'),
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'1760': os.path.join(_BASE_DIR, '1760/1760.txt.gz'),
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'1770': os.path.join(_BASE_DIR, '1770/1770.txt.gz'),
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'1780': os.path.join(_BASE_DIR, '1780/1780.txt.gz'),
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'1790': os.path.join(_BASE_DIR, '1790/1790.txt.gz'),
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'1800': os.path.join(_BASE_DIR, '1800/1800.txt.gz'),
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'1810': os.path.join(_BASE_DIR, '1810/1810.txt.gz'),
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'1820': os.path.join(_BASE_DIR, '1820/1820.txt.gz'),
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'1830': os.path.join(_BASE_DIR, '1830/1830.txt.gz'),
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'1840': os.path.join(_BASE_DIR, '1840/1840.txt.gz'),
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'1850': os.path.join(_BASE_DIR, '1850/1850.txt.gz'),
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'1860': os.path.join(_BASE_DIR, '1860/1860.txt.gz'),
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'1870': os.path.join(_BASE_DIR, '1870/1870.txt.gz'),
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'1880': os.path.join(_BASE_DIR, '1880/1880.txt.gz'),
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'1890': os.path.join(_BASE_DIR, '1890/1890.txt.gz'),
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'1900': os.path.join(_BASE_DIR, '1900/1900.txt.gz'),
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'all': os.path.join(_BASE_DIR, 'all/all.txt.gz'),
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}
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class Kubhist2Config(datasets.BuilderConfig):
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def __init__(self, period="all", **kwargs):
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if str(period) not in _URLS:
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self.period = "all"
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else:
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self.period = str(period)
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super().__init__(**kwargs)
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class Kubhist2(datasets.GeneratorBasedBuilder):
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BUILDER_CONFIG_CLASS = Kubhist2Config
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BUILDER_CONFIGS = [
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Kubhist2Config(
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name=key,
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version=datasets.Version("1.0.0"),
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description=f"Kubhist2: {key}",
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period=key
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)
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for key in _URLS
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]
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DEFAULT_CONFIG_NAME = "all"
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def _info(self):
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return datasets.DatasetInfo(
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description=_DESCRIPTION,
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features=datasets.Features({
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"text": datasets.Value("string"),
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}),
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supervised_keys=None,
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homepage=_HOMEPAGE,
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license=_LICENSE,
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citation=_CITATION,
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)
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def _split_generators(self, dl_manager):
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data_path = os.path.join(dl_manager.manual_dir, _URLS[self.config.period])
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return [
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datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": data_path}),
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]
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def _generate_examples(self, filepath):
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"""Yields lines from the compressed .txt.gz file as individual examples."""
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with gzip.open(filepath, "rt", encoding="utf-8") as f:
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for i, line in enumerate(f):
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yield i, {"text": line.strip()}
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