128 lines
4.9 KiB
Python
128 lines
4.9 KiB
Python
import os
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import torch
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import numpy as np
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import re
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from PIL import Image, ImageOps
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import folder_paths
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import datetime
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from .nodes_batch_images import batch_images
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VALID_EXTENSIONS = {'.png', '.jpg', '.jpeg', '.webp', '.bmp', '.jfif'}
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def _natural_sort_key(s):
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return [int(text) if text.isdigit() else text.lower() for text in re.split('([0-9]+)', s)]
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def _list_image_files(directory):
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if not os.path.isdir(directory):
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raise FileNotFoundError(f"Directory not found: {directory}")
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files = [f for f in os.listdir(directory) if os.path.splitext(f)[1].lower() in VALID_EXTENSIONS]
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files.sort(key=_natural_sort_key)
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return files
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def _load_image_tensor(file_path):
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"""读取单张图片 → (1, H, W, C) float32 张量。"""
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img = Image.open(file_path)
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img = ImageOps.exif_transpose(img)
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image = img.convert("RGB")
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image = np.array(image).astype(np.float32) / 255.0
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return torch.from_numpy(image)[None,]
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# ============================================================
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# XB_BatchFolderLoader — 图片序列加载（单张步进）
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# ============================================================
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class XB_BatchFolderLoader:
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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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"directory": ("STRING", {"default": ""}),
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"seed": ("INT", {"default": 0, "min": 0, "max": 9999999, "step": 1, "tooltip": "Built-in auto-stepper using the seed mechanism"}),
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}
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}
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RETURN_TYPES = ("IMAGE", "MASK", "STRING", "STRING")
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RETURN_NAMES = ("IMAGE", "MASK", "FILE_NAME", "TOTAL_COUNT")
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FUNCTION = "load_images"
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CATEGORY = "XB_ToolBox/Batch_Process"
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def load_images(self, directory, seed):
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if not os.path.isdir(directory):
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raise FileNotFoundError(f"Directory not found: {directory}")
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valid_extensions = {'.png', '.jpg', '.jpeg', '.webp', '.bmp', '.jfif'}
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files = [f for f in os.listdir(directory) if os.path.splitext(f)[1].lower() in valid_extensions]
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def natural_sort_key(s):
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return [int(text) if text.isdigit() else text.lower() for text in re.split('([0-9]+)', s)]
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files.sort(key=natural_sort_key)
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if not files:
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raise Exception(f"No valid images found in directory: {directory}")
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total_count = len(files)
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current_file_idx = seed % total_count
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file_path = os.path.join(directory, files[current_file_idx])
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raw_name = os.path.splitext(files[current_file_idx])[0]
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today_str = datetime.datetime.now().strftime("%Y-%m-%d")
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formatted_file_name = f"Images/Batch/{today_str}/{raw_name}"
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total_count_display = f"Total images detected: {total_count}"
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img = Image.open(file_path)
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img = ImageOps.exif_transpose(img)
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image = img.convert("RGB")
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image = np.array(image).astype(np.float32) / 255.0
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image = torch.from_numpy(image)[None,]
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if 'A' in img.getbands():
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mask = np.array(img.getchannel('A')).astype(np.float32) / 255.0
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mask = 1. - torch.from_numpy(mask)
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mask = mask.unsqueeze(0) # (H, W) → (1, H, W)
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else:
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mask = torch.zeros((1, image.shape[1], image.shape[2]), dtype=torch.float32)
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return (image, mask, formatted_file_name, total_count_display)
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# ============================================================
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# XB_BatchFolderBatchLoader — 图片批量加载（一次读取多张）
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# ============================================================
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class XB_BatchFolderBatchLoader:
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"""选择文件夹后一次性批量加载多张图片，合并成一个图像批次传给下游（等价于批量图像节点接多张图）。"""
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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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"directory": ("STRING", {"default": ""}),
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"count": ("INT", {"default": 4, "min": 1, "max": 500, "step": 1,
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"tooltip": "本次批量加载的图片数量"}),
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"skip": ("INT", {"default": 0, "min": 0, "max": 999999, "step": 1,
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"tooltip": "跳过前 N 张，便于多次分批处理"}),
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}
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}
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RETURN_TYPES = ("IMAGE",)
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RETURN_NAMES = ("IMAGES",)
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FUNCTION = "load_batch"
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CATEGORY = "XB_ToolBox/Batch_Process"
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def load_batch(self, directory, count, skip):
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files = _list_image_files(directory)
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if not files:
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raise Exception(f"No valid images found in directory: {directory}")
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selected = files[skip:skip + count]
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if not selected:
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raise Exception(
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f"No images left: skipped {skip} of {len(files)} images in {directory}"
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)
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images = [_load_image_tensor(os.path.join(directory, f)) for f in selected]
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return (batch_images(images),) |