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gate tokenizer.model saving

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This commit is contained in:
Datta Nimmaturi 2026-04-21 06:25:29 +00:00
commit b408ddf7e5
1 changed files with 29 additions and 1 deletions
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30
unsloth/save.py
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@ -258,6 +258,31 @@ def check_if_sentencepiece_model(
return sentencepiece_model
_TOKENIZER_MODEL_CACHE = {}
def _has_tokenizer_model(tokenizer, token = None):
tokenizer = tokenizer.tokenizer if hasattr(tokenizer, "tokenizer") else tokenizer
if tokenizer is None:
return False
source = getattr(tokenizer, "name_or_path", None)
if not isinstance(source, str) or not source:
return False
if os.path.isdir(source):
return os.path.isfile(os.path.join(source, "tokenizer.model"))
if source not in _TOKENIZER_MODEL_CACHE:
try:
repo_info = HfApi(token = token).model_info(source, files_metadata = False)
_TOKENIZER_MODEL_CACHE[source] = any(
sibling.rfilename == "tokenizer.model" for sibling in repo_info.siblings
)
except Exception:
_TOKENIZER_MODEL_CACHE[source] = False
return _TOKENIZER_MODEL_CACHE[source]
def _preserve_sentencepiece_tokenizer_assets(
tokenizer,
save_directory,
@ -299,7 +324,10 @@ def _preserve_sentencepiece_tokenizer_assets(
tokenizer_model = os.path.join(save_directory, "tokenizer.model")
downloaded_path = None
if not os.path.isfile(tokenizer_model):
if not os.path.isfile(tokenizer_model) and _has_tokenizer_model(
tokenizer,
token = token,
):
source = getattr(tokenizer, "name_or_path", None)
if isinstance(source, str) and source:
if os.path.isdir(source):