o i.@sddlZddlZddlZddlZddlmZmZmZmZm Z ddl m Z ddl m Z mZmZgdZeeeee ffZeeefZeeefZ d'dedeedefd d Zd edeeeffd d ZdededeefddZdededefddZdedeeeffddZ d(dedeedede eeeefffddZ d(deee fdeedede eeeeee ffffd d!Zdedeeeffd"d#Zd$edefd%d&ZdS))N)DictIterableOptionalTupleUnion)Tensor)SAFE_WEIGHTS_INDEX_NAMESAFE_WEIGHTS_NAME cached_file) get_safetensors_folderget_safetensors_headermatch_param_name merge_namesget_weight_mappingsget_nested_weight_mappings#get_nested_mappings_from_state_dict*get_quantization_parameter_to_path_mappingis_quantization_parampretrained_model_name_or_path cache_dirreturncCsxtj|r tj|St|t|dd}t|t|dd}|dur(tj|dS|dur4tj|dStd|d)a Given a Hugging Face stub or a local path, return the folder containing the safetensors weight files :param pretrained_model_name_or_path: local path to model or HF stub :param cache_dir: optional cache dir to search through, if none is specified the model will be searched for in the default TRANSFORMERS_CACHE :return: local folder containing model data F)r%_raise_exceptions_for_missing_entriesNrz7Could not locate safetensors weight or index file from .) ospathexistsabspathr r rsplit ValueError)rrsafetensors_path index_pathr!]/home/ubuntu/.local/lib/python3.10/site-packages/compressed_tensors/utils/safetensors_load.pyr *s. r rcCsZt|d}td|dd}||}t|}Wd|S1s&wY|S)z Extracts the metadata from a safetensors file as JSON :param safetensors_path: path to a safetensors file :return: dictionary of metadata extracted from the safetensors file rbzsZ    * 9 H  +