custom_nodes/ComfyUI_experiments/advanced_model_merging.py

import comfy_extras.nodes_model_merging

class ModelMergeBlockNumber(comfy_extras.nodes_model_merging.ModelMergeBlocks):
    @classmethod
    def INPUT_TYPES(s):
        arg_dict = { "model1": ("MODEL",),
                              "model2": ("MODEL",)}

        argument = ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01})

        arg_dict["time_embed."] = argument
        arg_dict["label_emb."] = argument

        for i in range(12):
            arg_dict["input_blocks.{}.".format(i)] = argument

        for i in range(3):
            arg_dict["middle_block.{}.".format(i)] = argument

        for i in range(12):
            arg_dict["output_blocks.{}.".format(i)] = argument

        arg_dict["out."] = argument

        return {"required": arg_dict}


NODE_CLASS_MAPPINGS = {
    "ModelMergeBlockNumber": ModelMergeBlockNumber,
}