code: def _set_adapter(model, adapter_name):
      def check_adapter_name(adapter_name):
          if isinstance(adapter_name, str):
              return adapter_name
  
          # adapter_name is a list of str
          if len(adapter_name) > 1:
              raise ValueError(
                  "Only one adapter can be set at a time for modules_to_save"
              )
          elif len(adapter_name) == 0:
              raise ValueError(
                  "Please specify at least one adapter to set"
              )
          adapter_name = adapter_name[0]
          return adapter_name
  
      for module in model.modules():
          if isinstance(module, ModulesToSaveWrapper):
              # only check the adapter_name if we actually encounter a ModulesToSaveWrapper, otherwise we don't care
              adapter_name = check_adapter_name(adapter_name)
              module.set_adapter(adapter_name)
  
imports: import copy
  import inspect
  import warnings
  from typing import Optional, Tuple
  import accelerate
  import torch
  from accelerate.hooks import add_hook_to_module, remove_hook_from_module
  from accelerate.utils import is_npu_available, is_xpu_available
  from safetensors.torch import storage_ptr, storage_size
  from ..import_utils import is_auto_gptq_available, is_torch_tpu_available
  from .constants import CONFIG_NAME, EMBEDDING_LAYER_NAMES, INCLUDE_LINEAR_LAYERS_SHORTHAND, SAFETENSORS_WEIGHTS_NAME, TRANSFORMERS_MODELS_TO_ADALORA_TARGET_MODULES_MAPPING, TRANSFORMERS_MODELS_TO_IA3_FEEDFORWARD_MODULES_MAPPING, TRANSFORMERS_MODELS_TO_IA3_TARGET_MODULES_MAPPING, TRANSFORMERS_MODELS_TO_LORA_TARGET_MODULES_MAPPING, TRANSFORMERS_MODELS_TO_PREFIX_TUNING_POSTPROCESS_MAPPING, WEIGHTS_NAME, bloom_model_postprocess_past_key_value, starcoder_model_postprocess_past_key_value
label_desc: Use image node_id 8 for calling a global function with example usage: _set_adapter(model, adapter_name) and returns: adapter_name, adapter_name