74 lines
3.1 KiB
Python
74 lines
3.1 KiB
Python
import os
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import comfy.sd
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def get_sub_directory_list(base_path):
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"""Returns a list of sub-directories within the given base path."""
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base_directory = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', 'models', base_path))
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print(f"SD15UNETLoader:Looking for sub-directories in: {base_directory}")
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if os.path.exists(base_directory):
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sub_dirs = [d for d in os.listdir(base_directory) if os.path.isdir(os.path.join(base_directory, d))]
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print(f"SD15UNETLoader:Found sub-directories: {sub_dirs}")
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return sub_dirs
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else:
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print(f"SD15UNETLoader:Path does not exist: {base_directory}")
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return []
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def handle_corrupted_file(unet_folder):
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"""Handle corrupted UNET folder by renaming it and logging the action."""
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corrupted_path = unet_folder + ".corrupted"
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try:
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os.rename(unet_folder, corrupted_path)
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print(f"SD15UNETLoader:Moved corrupted folder to: {corrupted_path}")
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except PermissionError as e:
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print(f"SD15UNETLoader:PermissionError while moving corrupted folder: {e}")
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raise PermissionError(f"SD15UNETLoader:Permission denied while moving: {unet_folder}")
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except Exception as e:
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print(f"SD15UNETLoader:Error while moving corrupted folder: {e}")
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raise e
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class SD15UNETLoader:
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"sub_directory": (get_sub_directory_list("diffusers/SD15"),),
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}
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}
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RETURN_TYPES = ("MODEL",)
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FUNCTION = "load_unet"
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CATEGORY = "DiffusersLoader/SD1.5"
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def load_unet(self, sub_directory):
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unet_folder = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', 'models', 'diffusers', 'SD15', sub_directory, 'unet'))
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diffusion_model_path = self.find_safetensors_file(unet_folder)
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print(f"SD15UNETLoader:Attempting to load UNET model from: {diffusion_model_path}")
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if not os.path.exists(diffusion_model_path):
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raise FileNotFoundError(f"{os.path.basename(diffusion_model_path)} not found in the directory: {diffusion_model_path}")
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try:
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model = comfy.sd.load_unet(diffusion_model_path)
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return (model,)
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except PermissionError as e:
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print(f"SD15UNETLoader:PermissionError: {e}")
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raise PermissionError(f"SD15UNETLoader:Permission denied: {diffusion_model_path}")
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except Exception as e:
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print(f"SD15UNETLoader:Error loading UNET model: {e}")
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handle_corrupted_file(unet_folder)
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raise e
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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 os.path.join(directory, file)
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raise FileNotFoundError(f"SD15UNETLoader:No .safetensors file found in {directory}")
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# Ensure the node is registered properly
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NODE_CLASS_MAPPINGS = {"SD15UNETLoader": SD15UNETLoader}
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NODE_DISPLAY_NAME_MAPPINGS = {"SD15UNETLoader": "SD1.5 UNET Loader"}
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__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]
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