From d54c21df7e2669c6cd7492713479d1aeb5846883 Mon Sep 17 00:00:00 2001 From: compilade Date: Mon, 16 Sep 2024 03:30:22 -0400 Subject: [PATCH] convert : identify missing model files (#9397) --- convert_hf_to_gguf.py | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/convert_hf_to_gguf.py b/convert_hf_to_gguf.py index f026977e9..c7e6ae0ca 100755 --- a/convert_hf_to_gguf.py +++ b/convert_hf_to_gguf.py @@ -132,12 +132,14 @@ class Model: def get_tensors(self) -> Iterator[tuple[str, Tensor]]: tensor_names_from_parts: set[str] = set() - if len(self.part_names) > 1: + index_name = "model.safetensors" if self.is_safetensors else "pytorch_model.bin" + index_name += ".index.json" + index_file = self.dir_model / index_name + + if index_file.is_file(): self.tensor_names = set() - index_name = "model.safetensors" if self.is_safetensors else "pytorch_model.bin" - index_name += ".index.json" logger.info(f"gguf: loading model weight map from '{index_name}'") - with open(self.dir_model / index_name, "r", encoding="utf-8") as f: + with open(index_file, "r", encoding="utf-8") as f: index: dict[str, Any] = json.load(f) weight_map = index.get("weight_map") if weight_map is None or not isinstance(weight_map, dict): @@ -145,6 +147,7 @@ class Model: self.tensor_names.update(weight_map.keys()) else: self.tensor_names = tensor_names_from_parts + weight_map = {} for part_name in self.part_names: logger.info(f"gguf: loading model part '{part_name}'") @@ -171,9 +174,17 @@ class Model: data = LazyTorchTensor.from_eager(data) yield name, data - # only verify tensor name presence; it doesn't matter if they are not in the right files - if len(sym_diff := tensor_names_from_parts.symmetric_difference(self.tensor_names)) > 0: - raise ValueError(f"Mismatch between weight map and model parts for tensor names: {sym_diff}") + # verify tensor name presence and identify potentially missing files + if len(tensor_names_from_parts.symmetric_difference(self.tensor_names)) > 0: + missing = sorted(self.tensor_names.difference(tensor_names_from_parts)) + extra = sorted(tensor_names_from_parts.difference(self.tensor_names)) + missing_files = sorted(set(weight_map[n] for n in missing if n in weight_map)) + if len(extra) == 0 and len(missing_files) > 0: + raise ValueError(f"Missing or incomplete model files: {missing_files}") + else: + raise ValueError("Mismatch between weight map and model parts for tensor names:\n" + f"Missing tensors: {missing}\n" + f"Extra tensors: {extra}") def format_tensor_name(self, key: gguf.MODEL_TENSOR, bid: int | None = None, suffix: str = ".weight") -> str: if key not in gguf.MODEL_TENSORS[self.model_arch]: