doc-nodes/nodes/DOC_SaveImageAndAddToHistory.py

90 lines
3.8 KiB
Python

import os
import folder_paths
import json
from PIL import Image
from PIL.PngImagePlugin import PngInfo
from comfy.cli_args import args
import numpy as np
class DOC_SaveImageAndAddToHistory:
def __init__(self):
self.output_dir = folder_paths.get_output_directory()
self.type = "output"
self.prefix_append = ""
self.compress_level = 4
self.history_filename = "generation_history.jsonl"
def _get_history_path(self):
return os.path.join(self.output_dir, self.history_filename)
def _append_history(self, entry):
history_path = self._get_history_path()
# Crea il file se non esiste
with open(history_path, "a", encoding="utf-8") as f:
f.write(json.dumps(entry, ensure_ascii=False) + "\n")
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"images": ("IMAGE", {"tooltip": "The images to save."}),
"filename_prefix": ("STRING", {"default": "ComfyUI", "tooltip": "The prefix for the file to save. This may include formatting information such as %date:yyyy-MM-dd% or %Empty Latent Image.width% to include values from nodes."}),
"llm_prompt": ("STRING", {"default": "Drag your original prompt here...", "tooltip": "The text prompt given to the LLM to generate the final prompt."}),
"final_prompt": ("STRING", {"default": "Drag the final prompt here...", "tooltip": "The text prompt used to generate the image."}),
"steps": ("INT", {"default": 30, "tooltip": "The number of steps used to generate the image."}),
"cfg": ("FLOAT", {"default": 3.5, "tooltip": "The CFG scale used to guide the image generation."}),
},
"hidden": {
"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"
},
}
RETURN_TYPES = ()
FUNCTION = "save_images"
OUTPUT_NODE = True
CATEGORY = "DOC"
DESCRIPTION = "Saves the input images to your ComfyUI output directory and store prompt-image mapping in a global history file."
def save_images(self, images, filename_prefix="ComfyUI", llm_prompt=None, final_prompt=None, steps=None, cfg=None, prompt=None, extra_pnginfo=None):
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()
for (batch_number, image) in enumerate(images):
i = 255. * image.cpu().numpy()
img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
metadata = None
if not args.disable_metadata:
metadata = PngInfo()
if prompt is not None:
metadata.add_text("prompt", json.dumps(prompt))
if extra_pnginfo is not None:
for x in extra_pnginfo:
metadata.add_text(x, json.dumps(extra_pnginfo[x]))
filename_with_batch_num = filename.replace("%batch_num%", str(batch_number))
file = f"{filename_with_batch_num}_{counter:05}_.png"
file_path = os.path.join(full_output_folder, file)
img.save(file_path, pnginfo=metadata, compress_level=self.compress_level)
results.append({
"filename": file,
"subfolder": subfolder,
"type": self.type
})
# Scrivi la riga di history
history_entry = {
"path": os.path.abspath(file_path),
"llm_prompt": llm_prompt,
"final_prompt": final_prompt,
"steps": steps,
"cfg": cfg
}
self._append_history(history_entry)
counter += 1
return { "ui": { "images": results } }