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Add filename and sha256 outputs to UnetLoaderGGUF #192

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Add filename and sha256 outputs to UnetLoaderGGUF #192

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20 changes: 18 additions & 2 deletions nodes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@
import torch
import logging
import collections
import hashlib
from functools import lru_cache

import comfy.sd
import comfy.utils
Expand Down Expand Up @@ -125,11 +127,21 @@ def INPUT_TYPES(s):
}
}

RETURN_TYPES = ("MODEL",)
RETURN_TYPES = ("MODEL", "STRING", "STRING")
RETURN_NAMES = ("MODEL", "filename", "sha256")
FUNCTION = "load_unet"
CATEGORY = "bootleg"
TITLE = "Unet Loader (GGUF)"

@staticmethod
@lru_cache(maxsize=None)
def hash_file(file_path):
hash_func = hashlib.sha256()
with open(file_path, "rb") as file:
while chunk := file.read(256 * 1024):
hash_func.update(chunk)
return hash_func.hexdigest()

def load_unet(self, unet_name, dequant_dtype=None, patch_dtype=None, patch_on_device=None):
ops = GGMLOps()

Expand Down Expand Up @@ -158,7 +170,11 @@ def load_unet(self, unet_name, dequant_dtype=None, patch_dtype=None, patch_on_de
raise RuntimeError("ERROR: Could not detect model type of: {}".format(unet_path))
model = GGUFModelPatcher.clone(model)
model.patch_on_device = patch_on_device
return (model,)

hash = self.hash_file(unet_path)

return (model, unet_name, hash)


class UnetLoaderGGUFAdvanced(UnetLoaderGGUF):
@classmethod
Expand Down