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Improve error message when model file is missing #2041

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Improve error message when model file is missing #2041

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26 changes: 18 additions & 8 deletions llama_cpp/llama.py
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Original file line number Diff line number Diff line change
Expand Up @@ -369,15 +369,25 @@ def __init__(
if not os.path.exists(model_path):
raise ValueError(f"Model path does not exist: {model_path}")

self._model = self._stack.enter_context(
contextlib.closing(
internals.LlamaModel(
path_model=self.model_path,
params=self.model_params,
verbose=self.verbose,
try:
self._model = self._stack.enter_context(
contextlib.closing(
internals.LlamaModel(
path_model=self.model_path,
params=self.model_params,
verbose=self.verbose,
)
)
)
)
)
except RuntimeError as e:
if "No such file or directory" in str(e):
raise FileNotFoundError(
f"Model file not found at '{self.model_path}'. "
"Make sure the .gguf model file exists at the given path."
) from e
else:
raise


# Override tokenizer
self.tokenizer_ = tokenizer or LlamaTokenizer(self)
Expand Down