""" 最简单的tokenizer """ import json from vocab.gpt_nexo_20b.tokenizer.tokenizer import HFTokenizer tokenizer = HFTokenizer("20B_tokenizer.json") print("vocab_size with added_tokens:", tokenizer.vocab_size) vocab = tokenizer.vocab def test_single_token(): """ 单个字符的编码(一个字符可能会编码成多个id) """ for word in "中国解决方法黑白侗鸩,。!?;": encoding = tokenizer.tokenize(word) for token_id in encoding: decode_str = tokenizer.detokenize([token_id]) # 特殊字符解码后会统一变成 �,对应 "\ufffd" # token = tokenizer.tokenizer.id_to_token(token_id) print(word, token_id, decode_str, json.dumps(decode_str), ) # print(word, token_id, decode_str, json.dumps(decode_str), token, json.dumps(token)) def test_encode(): text = "中国解决方法黑白侗鸩,。!?;一个人去哪里 一 个" encoding = tokenizer.tokenize(text) for token_id in encoding: decode_str = tokenizer.detokenize([token_id]) # 特殊字符解码后会统一变成 �,对应 "\ufffd" token = tokenizer.tokenizer.id_to_token(token_id) print(token_id, decode_str, json.dumps(decode_str), token, json.dumps(token)) test_encode()