Function delete_adapter_layers

src/diffusers/utils/peft_utils.py:224–243

(model, adapter_name)

def delete_adapter_layers(model, adapter_name):
    from peft.tuners.tuners_utils import BaseTunerLayer

    for module in model.modules():
        if isinstance(module, BaseTunerLayer):
            if hasattr(module, "delete_adapter"):
                module.delete_adapter(adapter_name)
            else:
                raise ValueError(
                    "The version of PEFT you are using is not compatible, please use a version that is greater than 0.6.1"
                )

    # For transformers integration - we need to pop the adapter from the config
    if getattr(model, "_hf_peft_config_loaded", False) and hasattr(model, "peft_config"):
        model.peft_config.pop(adapter_name, None)
        # In case all adapters are deleted, we need to delete the config
        # and make sure to set the flag to False
        if len(model.peft_config) == 0:
            del model.peft_config
            model._hf_peft_config_loaded = None


def set_weights_and_activate_adapters(model, adapter_names, weights):