from collections import defaultdict import os import json import csv import datasets _DESCRIPTION = """ A large-scale multilingual speech corpus for representation learning, semi-supervised learning and interpretation. """ _CITATION = """ @inproceedings{wang-etal-2021-voxpopuli, title = "{V}ox{P}opuli: A Large-Scale Multilingual Speech Corpus for Representation Learning, Semi-Supervised Learning and Interpretation", author = "Wang, Changhan and Riviere, Morgane and Lee, Ann and Wu, Anne and Talnikar, Chaitanya and Haziza, Daniel and Williamson, Mary and Pino, Juan and Dupoux, Emmanuel", booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)", month = aug, year = "2021", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2021.acl-long.80", doi = "10.18653/v1/2021.acl-long.80", pages = "993--1003", } """ _HOMEPAGE = "https://github.com/facebookresearch/voxpopuli" _LICENSE = "CC0, also see https://www.europarl.europa.eu/legal-notice/en/" _ASR_LANGUAGES = [ "en", "de", "fr", "es", "pl", "it", "ro", "hu", "cs", "nl", "fi", "hr", "sk", "sl", "et", "lt" ] _ASR_ACCENTED_LANGUAGES = [ "en_accented" ] _LANGUAGES = _ASR_LANGUAGES + _ASR_ACCENTED_LANGUAGES _BASE_DATA_DIR = "https://huggingface.co/datasets/polinaeterna/voxpopuli/resolve/main/data/" _N_SHARDS_FILE = _BASE_DATA_DIR + "n_files.json" _AUDIO_ARCHIVE_PATH = _BASE_DATA_DIR + "{lang}/{split}/{split}_part_{n_shard}.tar.gz" _METADATA_PATH = _BASE_DATA_DIR + "{lang}/asr_{split}.tsv" class VoxpopuliConfig(datasets.BuilderConfig): """BuilderConfig for VoxPopuli.""" def __init__(self, name, **kwargs): """ Args: name: `string`, name of dataset config **kwargs: keyword arguments forwarded to super. """ super().__init__(name=name, **kwargs) self.languages = _LANGUAGES if name == "all" else [name] # self.data_root_dis = {lang: _DATA_DIR.format(lang) for lang in self.languages} class Voxpopuli(datasets.GeneratorBasedBuilder): """The VoxPopuli dataset.""" VERSION = datasets.Version("1.3.0") # TODO: version BUILDER_CONFIGS = [ VoxpopuliConfig( name=name, version=datasets.Version("1.3.0"), ) for name in _LANGUAGES + ["all"] ] DEFAULT_WRITER_BATCH_SIZE = 256 # SET THIS TO A LOWER VALUE IF IT USES TOO MUCH RAM SPACE def _info(self): features = datasets.Features( { "path": datasets.Value("string"), "language": datasets.ClassLabel(names=_LANGUAGES), "raw_text": datasets.Value("string"), "normalized_text": datasets.Value("string"), "audio": datasets.Audio(sampling_rate=16_000), # "segment_id": datasets.Value("int16"), # TODO } ) return datasets.DatasetInfo( description=_DESCRIPTION, features=features, homepage=_HOMEPAGE, license=_LICENSE, citation=_CITATION, ) def _split_generators(self, dl_manager): n_shards_path = dl_manager.download_and_extract(_N_SHARDS_FILE) with open(n_shards_path) as f: n_shards = json.load(f) audio_urls = defaultdict(dict) for lang in self.config.languages: for split in ["train", "test", "dev"]: audio_urls[split][lang] = [_AUDIO_ARCHIVE_PATH.format(lang=lang, split=split, n_shard=i) for i in range(n_shards[lang][split])] meta_urls = defaultdict(dict) for split in ["train", "test", "dev"]: meta_urls[split][lang] = _METADATA_PATH.format(lang=lang, split=split) # dl_manager.download_config.num_proc = len(urls) meta_paths = dl_manager.download_and_extract(meta_urls) audio_paths = dl_manager.download(audio_urls) local_extracted_audio_paths = ( dl_manager.extract(audio_paths) if not dl_manager.is_streaming else { "train": [None] * len(audio_paths["train"]), "dev": [None] * len(audio_paths["dev"]), "test": [None] * len(audio_paths["test"]), } ) return [ datasets.SplitGenerator( name=datasets.Split.TRAIN, gen_kwargs={ "audio_archives": {lang: [dl_manager.iter_archive(archive) for archive in lang_archives] for lang, lang_archives in audio_paths["train"].items()}, "local_extracted_audio_archives_paths": local_extracted_audio_paths["train"] if local_extracted_audio_paths else None, "metadata_paths": meta_paths["train"], } ), datasets.SplitGenerator( name=datasets.Split.VALIDATION, gen_kwargs={ "audio_archives": {lang: [dl_manager.iter_archive(archive) for archive in lang_archives] for lang, lang_archives in audio_paths["dev"].items()}, "local_extracted_audio_archives_paths": local_extracted_audio_paths["dev"] if local_extracted_audio_paths else None, "metadata_paths": meta_paths["dev"], } ), datasets.SplitGenerator( name=datasets.Split.TEST, gen_kwargs={ "audio_archives": {lang: [dl_manager.iter_archive(archive) for archive in lang_archives] for lang, lang_archives in audio_paths["test"].items()}, "local_extracted_audio_archives_paths": local_extracted_audio_paths["test"] if local_extracted_audio_paths else None, "metadata_paths": meta_paths["test"], } ), ] def _generate_examples(self, audio_archives, local_extracted_audio_archives_paths, metadata_paths): assert len(metadata_paths) == len(audio_archives) for lang in self.config.languages: meta_path = metadata_paths[lang] with open(meta_path) as f: metadata = {x["id"]: x for x in csv.DictReader(f, delimiter="\t")} for audio_archive, local_extracted_audio_archive_path in zip(audio_archives[lang], local_extracted_audio_archives_paths[lang]): for audio_filename, audio_file in audio_archive: audio_id = audio_filename.split(os.sep)[-1].split(".wav")[0] path = os.path.join(local_extracted_audio_archive_path, audio_filename) if local_extracted_audio_archive_path else audio_filename yield audio_id, { "path": path, "language": lang, "raw_text": metadata[audio_id]["raw_text"], "normalized_text": metadata[audio_id]["normalized_text"], "audio": {"path": path, "bytes": audio_file.read()} }