import json import os import datasets from .configs import CONFIGS_MAP _BASE_URL = ( "https://huggingface.co/datasets/formospeech/AudioSCAN-XTTSv2-female/resolve/main/" ) _AUDIO_URL = _BASE_URL + "audio.tar.gz" class AudioSCANConfig(datasets.BuilderConfig): """BuilderConfig for CommonVoice.""" def __init__(self, **kwargs): super(AudioSCANConfig, self).__init__( version=datasets.Version("0.1.0", ""), **kwargs ) class LibrispeechASR(datasets.GeneratorBasedBuilder): DEFAULT_WRITER_BATCH_SIZE = 256 DEFAULT_CONFIG_NAME = "addprim_jump" BUILDER_CONFIGS = [] for config_name in CONFIGS_MAP.keys(): BUILDER_CONFIGS.append( AudioSCANConfig( name=config_name, description=None, ) ) def _info(self): return datasets.DatasetInfo( description="", features=datasets.Features( { "audio": datasets.Audio(sampling_rate=16_000), "out": datasets.Value("string"), "in": datasets.Value("string"), } ), license=None, supervised_keys=("audio", "out"), homepage=None, citation=None, task_templates=None, ) def _split_generators(self, dl_manager): archive_path = dl_manager.download(_AUDIO_URL) local_extracted_archive = ( dl_manager.extract(archive_path) if not dl_manager.is_streaming else {} ) split_meta_urls = { split_name: _BASE_URL + split_meta_path for split_name, split_meta_path in CONFIGS_MAP[self.config.name].items() } split_meta_paths = dl_manager.download_and_extract(split_meta_urls) splits = [] for split_name in CONFIGS_MAP[self.config.name].keys(): split = datasets.SplitGenerator( name=split_name, gen_kwargs={ "meta_path": split_meta_paths[split_name], "local_extracted_archive": local_extracted_archive, "files": dl_manager.iter_archive(archive_path), }, ) splits.append(split) return splits def _generate_examples(self, meta_path, local_extracted_archive, files): with open(meta_path, "r") as f: metadata = json.loads("[" + ",".join(f.readlines()) + "]") audio_data = {} for path, file in files: filename = os.path.basename(path) audio_data[filename] = file.read() key = 0 for item in metadata: path = ( os.path.join(local_extracted_archive, item["audio_path"]) if local_extracted_archive else item["audio_path"] ) yield ( key, { "in": item["in"], "out": item["out"], "audio": { "path": path, "bytes": audio_data[item["audio_path"]], }, }, ) key += 1