61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
import os
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import comfy.utils
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import torch
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class SDXLVAELoader:
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@staticmethod
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def get_base_path():
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# Adjust the base path to the location where the SDXL subdirectory is located
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base_path = os.path.join(os.path.dirname(__file__), '..', '..', 'models', 'diffusers', 'SDXL')
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base_path = os.path.abspath(base_path) # Convert to absolute path
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if not os.path.exists(base_path):
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raise FileNotFoundError(f"SDXLVAELoader:The base path '{base_path}' does not exist.")
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return base_path
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@staticmethod
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def get_subdirectories():
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base_path = SDXLVAELoader.get_base_path()
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return [name for name in os.listdir(base_path) if os.path.isdir(os.path.join(base_path, name))]
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@staticmethod
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def find_safetensors_file(directory):
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for file in os.listdir(directory):
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if file.endswith(".safetensors"):
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return file
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raise FileNotFoundError(f"SDXLVAELoader:No .safetensors file found in {directory}")
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@classmethod
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def INPUT_TYPES(cls):
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subdirectories = cls.get_subdirectories()
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return {
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"required": {
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"sub_directory": (subdirectories, ),
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}
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}
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RETURN_TYPES = ("VAE",)
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FUNCTION = "load_vae"
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CATEGORY = "DiffusersLoader/SDXL"
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def load_vae(self, sub_directory):
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base_path = self.get_base_path()
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vae_folder = os.path.join(base_path, sub_directory, "vae")
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vae_filename = self.find_safetensors_file(vae_folder)
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vae_path = os.path.join(vae_folder, vae_filename)
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full_path = os.path.abspath(vae_path)
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print(f"SDXLVAELoader:Attempting to load VAE model from: {full_path}")
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if not os.path.exists(full_path):
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raise FileNotFoundError(f"SDXLVAELoader:The VAE file '{full_path}' does not exist.")
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sd = comfy.utils.load_torch_file(full_path)
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vae = comfy.sd.VAE(sd=sd)
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return (vae,)
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# Ensure the node is registered properly
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NODE_CLASS_MAPPINGS = {"SDXLVAELoader": SDXLVAELoader}
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NODE_DISPLAY_NAME_MAPPINGS = {"SDXLVAELoader": "SDXL VAE Loader"}
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__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]
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