mirror of
https://github.com/storytold/storyteller-ml.git
synced 2026-10-18 07:41:03 +00:00
Brandon Thomas
48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import List
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from sacremoses import MosesDetokenizer, MosesPunctNormalizer, MosesTokenizer
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class MosesProcessor:
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"""
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Tokenizer, Detokenizer and Normalizer utilities in Moses
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"""
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def __init__(self, lang_id: str):
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self.moses_tokenizer = MosesTokenizer(lang=lang_id)
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self.moses_detokenizer = MosesDetokenizer(lang=lang_id)
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self.normalizer = MosesPunctNormalizer(lang=lang_id)
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def detokenize(self, tokens: List[str]) -> str:
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"""
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Detokenizes a list of tokens
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Args:
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tokens: list of strings as tokens
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Returns:
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detokenized string
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"""
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return self.moses_detokenizer.detokenize(tokens)
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def tokenize(self, text: str):
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"""
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Tokenizes text using Moses -> Sentencepiece.
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"""
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return self.moses_tokenizer.tokenize(text, escape=False, return_str=True)
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def normalize(self, text: str):
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return self.normalizer.normalize(text)
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