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fix(gguf-py): special tokens are no longer skipped when add_<token>_token is set to false (#5487)

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* fix(gguf-py): special tokens are no longer skipped when add_<token>_token is set to false

* fix(gguf-py): added missing cls and mask token ids to the gguf metadata
This commit is contained in:
Michaël de Vries 2024-02-15 14:14:37 +01:00 committed by GitHub
parent 0d4177126b
commit 73122473ff
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3 changed files with 11 additions and 5 deletions
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4
gguf-py/gguf/constants.py
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@ -73,6 +73,8 @@ class Keys:
UNK_ID = "tokenizer.ggml.unknown_token_id" UNK_ID = "tokenizer.ggml.unknown_token_id"
SEP_ID = "tokenizer.ggml.seperator_token_id" SEP_ID = "tokenizer.ggml.seperator_token_id"
PAD_ID = "tokenizer.ggml.padding_token_id" PAD_ID = "tokenizer.ggml.padding_token_id"
CLS_ID = "tokenizer.ggml.cls_token_id"
MASK_ID = "tokenizer.ggml.mask_token_id"
ADD_BOS = "tokenizer.ggml.add_bos_token" ADD_BOS = "tokenizer.ggml.add_bos_token"
ADD_EOS = "tokenizer.ggml.add_eos_token" ADD_EOS = "tokenizer.ggml.add_eos_token"
ADD_PREFIX = "tokenizer.ggml.add_space_prefix" ADD_PREFIX = "tokenizer.ggml.add_space_prefix"
@ -685,5 +687,7 @@ KEY_TOKENIZER_EOS_ID = Keys.Tokenizer.EOS_ID
KEY_TOKENIZER_UNK_ID = Keys.Tokenizer.UNK_ID KEY_TOKENIZER_UNK_ID = Keys.Tokenizer.UNK_ID
KEY_TOKENIZER_SEP_ID = Keys.Tokenizer.SEP_ID KEY_TOKENIZER_SEP_ID = Keys.Tokenizer.SEP_ID
KEY_TOKENIZER_PAD_ID = Keys.Tokenizer.PAD_ID KEY_TOKENIZER_PAD_ID = Keys.Tokenizer.PAD_ID
KEY_TOKENIZER_CLS_ID = Keys.Tokenizer.CLS_ID
KEY_TOKENIZER_MASK_ID = Keys.Tokenizer.MASK_ID
KEY_TOKENIZER_HF_JSON = Keys.Tokenizer.HF_JSON KEY_TOKENIZER_HF_JSON = Keys.Tokenizer.HF_JSON
KEY_TOKENIZER_RWKV = Keys.Tokenizer.RWKV KEY_TOKENIZER_RWKV = Keys.Tokenizer.RWKV

6
gguf-py/gguf/gguf_writer.py
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@ -414,6 +414,12 @@ class GGUFWriter:
def add_pad_token_id(self, id: int) -> None: def add_pad_token_id(self, id: int) -> None:
self.add_uint32(Keys.Tokenizer.PAD_ID, id) self.add_uint32(Keys.Tokenizer.PAD_ID, id)
def add_cls_token_id(self, id: int) -> None:
self.add_uint32(Keys.Tokenizer.CLS_ID, id)
def add_mask_token_id(self, id: int) -> None:
self.add_uint32(Keys.Tokenizer.MASK_ID, id)
def add_add_bos_token(self, value: bool) -> None: def add_add_bos_token(self, value: bool) -> None:
self.add_bool(Keys.Tokenizer.ADD_BOS, value) self.add_bool(Keys.Tokenizer.ADD_BOS, value)

6
gguf-py/gguf/vocab.py
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@ -29,7 +29,7 @@ class SpecialVocab:
if special_token_types is not None: if special_token_types is not None:
self.special_token_types = special_token_types self.special_token_types = special_token_types
else: else:
self.special_token_types = ('bos', 'eos', 'unk', 'sep', 'pad') self.special_token_types = ('bos', 'eos', 'unk', 'sep', 'pad', 'cls', 'mask')
self._load(Path(path)) self._load(Path(path))
def __repr__(self) -> str: def __repr__(self) -> str:
@ -152,10 +152,6 @@ class SpecialVocab:
add_entry = tokenizer_config.get(f'add_{typ}_token') add_entry = tokenizer_config.get(f'add_{typ}_token')
if isinstance(add_entry, bool): if isinstance(add_entry, bool):
self.add_special_token[typ] = add_entry self.add_special_token[typ] = add_entry
if not added_tokens:
# We will need this to get the content for the token, so if it's empty
# may as well just give up.
continue
entry = tokenizer_config.get(f'{typ}_token') entry = tokenizer_config.get(f'{typ}_token')
if isinstance(entry, str): if isinstance(entry, str):
tc_content = entry tc_content = entry