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| # This module is from [WeNet](https://github.com/wenet-e2e/wenet). | |
| # ## Citations | |
| # ```bibtex | |
| # @inproceedings{yao2021wenet, | |
| # title={WeNet: Production oriented Streaming and Non-streaming End-to-End Speech Recognition Toolkit}, | |
| # author={Yao, Zhuoyuan and Wu, Di and Wang, Xiong and Zhang, Binbin and Yu, Fan and Yang, Chao and Peng, Zhendong and Chen, Xiaoyu and Xie, Lei and Lei, Xin}, | |
| # booktitle={Proc. Interspeech}, | |
| # year={2021}, | |
| # address={Brno, Czech Republic }, | |
| # organization={IEEE} | |
| # } | |
| # @article{zhang2022wenet, | |
| # title={WeNet 2.0: More Productive End-to-End Speech Recognition Toolkit}, | |
| # author={Zhang, Binbin and Wu, Di and Peng, Zhendong and Song, Xingchen and Yao, Zhuoyuan and Lv, Hang and Xie, Lei and Yang, Chao and Pan, Fuping and Niu, Jianwei}, | |
| # journal={arXiv preprint arXiv:2203.15455}, | |
| # year={2022} | |
| # } | |
| # | |
| import re | |
| def read_lists(list_file): | |
| lists = [] | |
| with open(list_file, "r", encoding="utf8") as fin: | |
| for line in fin: | |
| lists.append(line.strip()) | |
| return lists | |
| def read_non_lang_symbols(non_lang_sym_path): | |
| """read non-linguistic symbol from file. | |
| The file format is like below: | |
| {NOISE}\n | |
| {BRK}\n | |
| ... | |
| Args: | |
| non_lang_sym_path: non-linguistic symbol file path, None means no any | |
| syms. | |
| """ | |
| if non_lang_sym_path is None: | |
| return None | |
| else: | |
| syms = read_lists(non_lang_sym_path) | |
| non_lang_syms_pattern = re.compile(r"(\[[^\[\]]+\]|<[^<>]+>|{[^{}]+})") | |
| for sym in syms: | |
| if non_lang_syms_pattern.fullmatch(sym) is None: | |
| class BadSymbolFormat(Exception): | |
| pass | |
| raise BadSymbolFormat( | |
| "Non-linguistic symbols should be " | |
| "formatted in {xxx}/<xxx>/[xxx], consider" | |
| " modify '%s' to meet the requirment. " | |
| "More details can be found in discussions here : " | |
| "https://github.com/wenet-e2e/wenet/pull/819" % (sym) | |
| ) | |
| return syms | |
| def read_symbol_table(symbol_table_file): | |
| symbol_table = {} | |
| with open(symbol_table_file, "r", encoding="utf8") as fin: | |
| for line in fin: | |
| arr = line.strip().split() | |
| assert len(arr) == 2 | |
| symbol_table[arr[0]] = int(arr[1]) | |
| return symbol_table | |