| | |
| | | |
| | | import sentencepiece as spm |
| | | from torch.utils.data import DataLoader |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.datasets.large_datasets.dataset import Dataset |
| | | from funasr.iterators.abs_iter_factory import AbsIterFactory |
| | | from funasr.text.abs_tokenizer import AbsTokenizer |
| | | from funasr.tokenizer.abs_tokenizer import AbsTokenizer |
| | | |
| | | |
| | | def read_symbol_table(symbol_table_file): |
| | |
| | | |
| | | class SentencepiecesTokenizer(AbsTokenizer): |
| | | def __init__(self, model: Union[Path, str]): |
| | | assert check_argument_types() |
| | | self.model = str(model) |
| | | self.sp = None |
| | | |
| | |
| | | return self.sp.DecodePieces(list(tokens)) |
| | | |
| | | |
| | | class ArkDataLoader(AbsIterFactory): |
| | | def __init__(self, data_list, dict_file, dataset_conf, frontend_conf=None, seg_dict_file=None, punc_dict_file=None, |
| | | bpemodel_file=None, mode="train"): |
| | | symbol_table = read_symbol_table(dict_file) if dict_file is not None else None |
| | | if seg_dict_file is not None: |
| | | seg_dict = load_seg_dict(seg_dict_file) |
| | | class LargeDataLoader(AbsIterFactory): |
| | | def __init__(self, args, mode="train"): |
| | | symbol_table, seg_dict, punc_dict, bpe_tokenizer = None, None, None, None |
| | | if hasattr(args, "token_list") and args.token_list is not None: |
| | | symbol_table = read_symbol_table(args.token_list) |
| | | if hasattr(args, "seg_dict_file") and args.seg_dict_file is not None: |
| | | seg_dict = load_seg_dict(args.seg_dict_file) |
| | | if hasattr(args, "punc_list") and args.punc_list is not None: |
| | | punc_dict = read_symbol_table(args.punc_list) |
| | | if hasattr(args, "bpemodel") and args.bpemodel is not None: |
| | | bpe_tokenizer = SentencepiecesTokenizer(args.bpemodel) |
| | | self.dataset_conf = args.dataset_conf |
| | | if "frontend_conf" not in args: |
| | | self.frontend_conf = None |
| | | else: |
| | | seg_dict = None |
| | | if punc_dict_file is not None: |
| | | punc_dict = read_symbol_table(punc_dict_file) |
| | | else: |
| | | punc_dict = None |
| | | self.dataset_conf = dataset_conf |
| | | self.frontend_conf = frontend_conf |
| | | self.frontend_conf = args.frontend_conf |
| | | self.speed_perturb = args.speed_perturb if hasattr(args, "speed_perturb") else None |
| | | logging.info("dataloader config: {}".format(self.dataset_conf)) |
| | | batch_mode = self.dataset_conf.get("batch_mode", "padding") |
| | | if bpemodel_file is not None: |
| | | bpe_tokenizer = SentencepiecesTokenizer(bpemodel_file) |
| | | else: |
| | | bpe_tokenizer = None |
| | | data_list = args.train_data_file if mode == "train" else args.valid_data_file |
| | | self.dataset = Dataset(data_list, symbol_table, seg_dict, punc_dict, bpe_tokenizer, |
| | | self.dataset_conf, self.frontend_conf, mode=mode, batch_mode=batch_mode) |
| | | self.dataset_conf, self.frontend_conf, |
| | | speed_perturb=self.speed_perturb if mode == "train" else None, |
| | | mode=mode, batch_mode=batch_mode) |
| | | |
| | | def build_iter(self, epoch, shuffle=True): |
| | | self.dataset.set_epoch(epoch) |