commit d711fa71e94f3a433a779a3913beea85d2a2947e
Author: brucew4yn3rp <batknights5678@gmail.com>
Date:   Sat Jul 19 23:09:54 2025 -0400

    Save Selective Data to ComfyUI metadata

diff --git a/__init__.py b/__init__.py
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+++ b/__init__.py
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+from .node import SaveImage
+
+NODE_CLASS_MAPPINGS = {
+    "Save Image (Selective Metadata)": SaveImage,
+}
+
+__all__ = ['NODE_CLASS_MAPPINGS']
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diff --git a/__pycache__/__init__.cpython-310.pyc b/__pycache__/__init__.cpython-310.pyc
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diff --git a/__pycache__/node.cpython-310.pyc b/__pycache__/node.cpython-310.pyc
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diff --git a/node.py b/node.py
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+++ b/node.py
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+import os
+import json
+import numpy as np
+from PIL import ExifTags, Image, PngImagePlugin
+from comfy.cli_args import args
+import folder_paths
+
+class SaveImage:
+    def __init__(self):
+        self.output_dir = folder_paths.get_output_directory()
+        self.type = "output"
+        self.prefix_append = ""
+        self.quality = 95  # Default quality for WebP
+        self.method = 6    # Compression method for WebP
+        self.compress_level = 4  # Default PNG compression level
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "images": ("IMAGE", {"tooltip": "The images to save."}),
+                "filename_prefix": ("STRING", {"default": "ComfyUI", "tooltip": "The prefix for the file to save."})
+            },
+            "optional": {
+                "key_1": ("STRING", {"default": "", "tooltip": "Metadata key 1"}),
+                "metadata_1": ("STRING", {"default": "", "tooltip": "Metadata value 1"}),
+                "key_2": ("STRING", {"default": "", "tooltip": "Metadata key 2"}),
+                "metadata_2": ("STRING", {"default": "", "tooltip": "Metadata value 2"}),
+                "key_3": ("STRING", {"default": "", "tooltip": "Metadata key 3"}),
+                "metadata_3": ("STRING", {"default": "", "tooltip": "Metadata value 3"}),
+                "key_4": ("STRING", {"default": "", "tooltip": "Metadata key 4"}),
+                "metadata_4": ("STRING", {"default": "", "tooltip": "Metadata value 4"}),
+                "key_5": ("STRING", {"default": "", "tooltip": "Metadata key 5"}),
+                "metadata_5": ("STRING", {"default": "", "tooltip": "Metadata value 5"}),
+            },
+            "hidden": {
+                "unique_id": "UNIQUE_ID",
+                "extra_pnginfo": "EXTRA_PNGINFO",
+                "prompt": "PROMPT"
+            }
+        }
+
+
+
+    RETURN_TYPES = ()
+    FUNCTION = "save_images"
+    OUTPUT_NODE = True
+    CATEGORY = "image"
+    DESCRIPTION = "Saves the input images as PNG or WebP with dynamic metadata key-value pairs."
+
+    def save_images(self, images, filename_prefix="ComfyUI", unique_id=None, **kwargs):
+        filename_prefix += self.prefix_append
+        full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path(
+            filename_prefix, self.output_dir, images[0].shape[1], images[0].shape[0]
+        )
+        results = list()
+
+        # Extract dynamic metadata from kwargs
+        dynamic_metadata = {}
+        for i in range(1, 6):
+            key = kwargs.get(f"key_{i}", "").strip()
+            value = kwargs.get(f"metadata_{i}", "").strip()
+            if key:
+                dynamic_metadata[key] = value
+
+        for batch_number, image in enumerate(images):
+            i = 255. * image.cpu().numpy()
+            img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
+            filename_with_batch_num = filename.replace("%batch_num%", str(batch_number))
+            file = f"{filename_with_batch_num}_{counter:05}_.png"
+
+            metadata = None
+            if not args.disable_metadata and dynamic_metadata:
+                metadata = PngImagePlugin.PngInfo()
+                for key, value in dynamic_metadata.items():
+                    metadata.add_text(key, value)
+
+            img.save(
+                os.path.join(full_output_folder, file),
+                pnginfo=metadata,
+                compress_level=self.compress_level
+            )
+
+            results.append({
+                "filename": file,
+                "subfolder": subfolder,
+                "type": self.type
+            })
+            counter += 1
+
+        return {"ui": {"images": results}}
+
+# Node registration
+NODE_CLASS_MAPPINGS = {
+    "SaveImage": SaveImage
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "SaveImage": "Save Image with Dynamic Metadata"
+}
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