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import json
from tokenizers import Tokenizer
from data_sample.oov_base import jd_vocab_tokens
from zhon.hanzi import punctuation as zh_punc
def load_base_tokenizer(tokenizer_path):
print("loading", tokenizer_path)
data = json.load(open(tokenizer_path, "r", encoding="utf-8"))
tokenizer = Tokenizer.from_file(tokenizer_path)
print("vocab_size with added_tokens:", tokenizer.get_vocab_size(with_added_tokens=True))
return data, tokenizer
def append_token(word_list, base_tokenizer, unused_ids=None):
"""
append token to the end of vocab
"""
new_vocab = set()
new_merges = set()
data, base_tokenizer = base_tokenizer
vocab = data["model"]["vocab"]
merges = data["model"]["merges"]
vocab_size = base_tokenizer.get_vocab_size(with_added_tokens=True)
for word in word_list:
encoding = base_tokenizer.encode(word)
if len(encoding.ids) == 1:
continue
if len(encoding.ids) >= 4:
print("[ERROR]: encoding不能超过4", word, encoding)
tokens = [base_tokenizer.id_to_token(token_id) for token_id in encoding.ids]
if "\u00e6\u00a5\u0143" in tokens:
print(word)
add_tokens = [line.strip() for line in open("oov.add.txt", "r", encoding="utf-8")]
add_words = [token for token in add_tokens if len(token) > 1]
new_tokenizer = load_base_tokenizer("20B_tokenizer.1.json")
append_token(add_words, new_tokenizer)
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