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""" Kathbath Dataset""" |
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import csv |
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import os |
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import tarfile |
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import datasets |
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from datasets.utils.py_utils import size_str |
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from .languages import LANGUAGES |
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from .release_stats import STATS |
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_CITATION = """\ |
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@misc{https://doi.org/10.48550/arxiv.2208.11761, |
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doi = {10.48550/ARXIV.2208.11761}, |
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url = {https://arxiv.org/abs/2208.11761}, |
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author = {Javed, Tahir and Bhogale, Kaushal Santosh and Raman, Abhigyan and Kunchukuttan, Anoop and Kumar, Pratyush and Khapra, Mitesh M.}, |
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title = {IndicSUPERB: A Speech Processing Universal Performance Benchmark for Indian languages}, |
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publisher = {arXiv}, |
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year = {2022}, |
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copyright = {arXiv.org perpetual, non-exclusive license} |
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} |
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""" |
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_HOMEPAGE = "https://ai4bharat.iitm.ac.in/indic-superb/" |
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_LICENSE = "https://creativecommons.org/publicdomain/zero/1.0/" |
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_DATA_URL = "https://huggingface.co/datasets/ai4bharat/kathbath/resolve/main/data" |
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class KathbathConfig(datasets.BuilderConfig): |
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"""BuilderConfig for Kathbath.""" |
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def __init__(self, name, version, **kwargs): |
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self.language = kwargs.pop("language", None) |
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self.release_date = kwargs.pop("release_date", None) |
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self.num_clips = kwargs.pop("num_clips", None) |
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self.num_speakers = kwargs.pop("num_speakers", None) |
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self.total_hr = kwargs.pop("total_hr", None) |
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self.size_bytes = kwargs.pop("size_bytes", None) |
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self.size_human = size_str(self.size_bytes) |
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description = ( |
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f"Kathbath speech to text dataset in {self.language} released on {self.release_date}. " |
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f"The dataset comprises {self.total_hr} hours of transcribed speech data" |
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) |
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super(KathbathConfig, self).__init__( |
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name=name, |
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version=datasets.Version(version), |
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description=description, |
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**kwargs, |
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) |
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class Kathbath(datasets.GeneratorBasedBuilder): |
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DEFAULT_CONFIG_NAME = "_all_" |
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BUILDER_CONFIGS = [ |
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KathbathConfig( |
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name=lang, |
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version=STATS["version"], |
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language=LANGUAGES[lang], |
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release_date=STATS["date"], |
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total_hr=float(lang_stats["totalHrs"]) if lang_stats["totalHrs"] else None, |
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) |
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for lang, lang_stats in STATS["locales"].items() |
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] |
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def _info(self): |
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total_languages = len(STATS["locales"]) |
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total_hours = self.config.total_hr |
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description = ( |
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"LibriVox-Indonesia is a speech dataset generated from LibriVox with only languages from Indonesia." |
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f"The dataset currently consists of {total_hours} hours of speech " |
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f"in {total_languages} languages, but more voices and languages are always added." |
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) |
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features = datasets.Features( |
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{ |
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"path": datasets.Value("string"), |
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"language": datasets.Value("string"), |
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"speaker": datasets.Value("string"), |
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"sentence": datasets.Value("string"), |
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"audio": datasets.features.Audio(sampling_rate=16000) |
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} |
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) |
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return datasets.DatasetInfo( |
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description=description, |
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features=features, |
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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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version=self.config.version, |
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) |
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def _split_generators(self, dl_manager): |
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"""Returns SplitGenerators.""" |
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dl_manager.download_config.ignore_url_params = True |
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audio_path = {} |
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local_extracted_archive = {} |
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metadata_path = {} |
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split_type = {"train": datasets.Split.TRAIN, "valid": datasets.Split.VALIDATION, "test_unknown": datasets.Split.TEST, "test_known": datasets.Split.TEST} |
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for split in split_type: |
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if split == 'train': |
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audio_paths = [ |
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f"{_DATA_URL}/audio_{split}.tar.partaa", |
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f"{_DATA_URL}/audio_{split}.tar.partab", |
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f"{_DATA_URL}/audio_{split}.tar.partac", |
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] |
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audio_path[split] = dl_manager.download(audio_paths) |
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for path in audio_path[split]: |
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try: |
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local_extracted_archive[split] = dl_manager.extract(audio_path[split]) if not dl_manager.is_streaming else None |
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except tarfile.ReadError: |
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pass |
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else: |
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audio_paths = [f"{_DATA_URL}/audio_{split}.tar"] |
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audio_path[split] = dl_manager.download(audio_paths) |
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local_extracted_archive[split] = dl_manager.extract(audio_path[split]) if not dl_manager.is_streaming else None |
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metadata_path[split] = dl_manager.download(f"{_DATA_URL}/metadata_{split}.tsv") |
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path_to_clips = "kb_data_clean_m4a" |
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return [ |
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datasets.SplitGenerator( |
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name=split_type[split], |
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gen_kwargs={ |
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"local_extracted_archive": local_extracted_archive[split], |
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"audio_files": dl_manager.iter_archive(audio_path[split]), |
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"metadata_path": metadata_path[split], |
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"path_to_clips": path_to_clips, |
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}, |
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) for split in split_type |
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] |
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def _generate_examples( |
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self, |
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local_extracted_archive, |
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audio_files, |
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metadata_path, |
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path_to_clips, |
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): |
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"""Yields examples.""" |
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data_fields = list(self._info().features.keys()) |
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metadata = {} |
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with open(metadata_path, "r", encoding="utf-8") as f: |
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reader = csv.DictReader(f, delimiter="\t") |
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for row in reader: |
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if self.config.name == "_all_" or self.config.name == row["language"]: |
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row["path"] = os.path.join(path_to_clips, row["path"]) |
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for field in data_fields: |
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if field not in row: |
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row[field] = "" |
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metadata[row["path"]] = row |
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id_ = 0 |
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for path, f in audio_files: |
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if path in metadata: |
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result = dict(metadata[path]) |
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path = os.path.join(local_extracted_archive, path) if local_extracted_archive else path |
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result["audio"] = {"path": path, "bytes": f.read()} |
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result["path"] = path |
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yield id_, result |
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id_ += 1 |
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