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gguf-py : export chat templates (#4125)

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* gguf-py : export chat templates

* llama.cpp : escape new lines in gguf kv info prints

* gguf-py : bump version

* gguf-py : check chat_template type

* gguf-py : initialize chat_template
This commit is contained in:
slaren
2023-11-19 11:10:52 +01:00
committed by GitHub
parent 28a2e6e7d4
commit e937066420
5 changed files with 34 additions and 15 deletions
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14
gguf-py/gguf/vocab.py
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@ -13,6 +13,7 @@ class SpecialVocab:
merges: list[str]
add_special_token: dict[str, bool]
special_token_ids: dict[str, int]
chat_template: str | None
def __init__(
self, path: str | os.PathLike[str], load_merges: bool = False,
@ -24,6 +25,7 @@ class SpecialVocab:
self.n_vocab = n_vocab
self.load_merges = load_merges
self.merges = []
self.chat_template = None
if special_token_types is not None:
self.special_token_types = special_token_types
else:
@ -67,6 +69,10 @@ class SpecialVocab:
if not quiet:
print(f'gguf: Setting add_{typ}_token to {value}')
add_handler(value)
if self.chat_template is not None:
if not quiet:
print(f'gguf: Setting chat_template to {self.chat_template}')
gw.add_chat_template(self.chat_template)
def _load(self, path: Path) -> None:
self._try_load_from_tokenizer_json(path)
@ -132,6 +138,14 @@ class SpecialVocab:
return True
with open(tokenizer_config_file, encoding = 'utf-8') as f:
tokenizer_config = json.load(f)
chat_template = tokenizer_config.get('chat_template')
if chat_template is None or isinstance(chat_template, str):
self.chat_template = chat_template
else:
print(
f'gguf: WARNING: Bad type for chat_template field in {tokenizer_config_file!r} - ignoring',
file = sys.stderr
)
for typ in self.special_token_types:
add_entry = tokenizer_config.get(f'add_{typ}_token')
if isinstance(add_entry, bool):