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transformers/docs/source/ko/fast_tokenizers.md
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first commit
2026-06-05 16:53:03 +08:00

3.4 KiB

🤗 Tokenizers 라이브러리의 토크나이저 사용하기use-tokenizers-from-tokenizers

[PreTrainedTokenizerFast]는 🤗 Tokenizers 라이브러리에 기반합니다. 🤗 Tokenizers 라이브러리의 토크나이저는 🤗 Transformers로 매우 간단하게 불러올 수 있습니다.

구체적인 내용에 들어가기 전에, 몇 줄의 코드로 더미 토크나이저를 만들어 보겠습니다:

>>> from tokenizers import Tokenizer
>>> from tokenizers.models import BPE
>>> from tokenizers.trainers import BpeTrainer
>>> from tokenizers.pre_tokenizers import Whitespace

>>> tokenizer = Tokenizer(BPE(unk_token="[UNK]"))
>>> trainer = BpeTrainer(special_tokens=["[UNK]", "[CLS]", "[SEP]", "[PAD]", "[MASK]"])

>>> tokenizer.pre_tokenizer = Whitespace()
>>> files = [...]
>>> tokenizer.train(files, trainer)

우리가 정의한 파일을 통해 이제 학습된 토크나이저를 갖게 되었습니다. 이 런타임에서 계속 사용하거나 JSON 파일로 저장하여 나중에 사용할 수 있습니다.

토크나이저 객체로부터 직접 불러오기loading-directly-from-the-tokenizer-object

🤗 Transformers 라이브러리에서 이 토크나이저 객체를 활용하는 방법을 살펴보겠습니다. [PreTrainedTokenizerFast] 클래스는 인스턴스화된 토크나이저 객체를 인수로 받아 쉽게 인스턴스화할 수 있습니다:

>>> from transformers import PreTrainedTokenizerFast

>>> fast_tokenizer = PreTrainedTokenizerFast(tokenizer_object=tokenizer)

이제 fast_tokenizer 객체는 🤗 Transformers 토크나이저에서 공유하는 모든 메소드와 함께 사용할 수 있습니다! 자세한 내용은 토크나이저 페이지를 참조하세요.

JSON 파일에서 불러오기loading-from-a-JSON-file

JSON 파일에서 토크나이저를 불러오기 위해, 먼저 토크나이저를 저장해 보겠습니다:

>>> tokenizer.save("tokenizer.json")

JSON 파일을 저장한 경로는 tokenizer_file 매개변수를 사용하여 [PreTrainedTokenizerFast] 초기화 메소드에 전달할 수 있습니다:

>>> from transformers import PreTrainedTokenizerFast

>>> fast_tokenizer = PreTrainedTokenizerFast(tokenizer_file="tokenizer.json")

이제 fast_tokenizer 객체는 🤗 Transformers 토크나이저에서 공유하는 모든 메소드와 함께 사용할 수 있습니다! 자세한 내용은 토크나이저 페이지를 참조하세요.