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import os
import torch
import numpy as np
from PIL import Image, ImageOps
from .utils import BIGMAX
from .logger import logger
class LoadImagesFromDirectory:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"directory": ("STRING", {"default": ""}),
},
"optional": {
"image_load_cap": ("INT", {"default": 0, "min": 0, "max": BIGMAX, "step": 1}),
"start_index": ("INT", {"default": 0, "min": 0, "max": BIGMAX, "step": 1}),
}
}
RETURN_TYPES = ("IMAGE", "MASK", "INT")
FUNCTION = "load_images"
CATEGORY = ""
def load_images(self, directory: str, image_load_cap: int = 0, start_index: int = 0):
if not os.path.isdir(directory):
raise FileNotFoundError(f"Directory '{directory} cannot be found.'")
dir_files = os.listdir(directory)
if len(dir_files) == 0:
raise FileNotFoundError(f"No files in directory '{directory}'.")
dir_files = sorted(dir_files)
dir_files = [os.path.join(directory, x) for x in dir_files]
# start at start_index
dir_files = dir_files[start_index:]
images = []
masks = []
limit_images = False
if image_load_cap > 0:
limit_images = True
image_count = 0
for image_path in dir_files:
if os.path.isdir(image_path):
continue
if limit_images and image_count >= image_load_cap:
break
i = Image.open(image_path)
i = ImageOps.exif_transpose(i)
image = i.convert("RGB")
image = np.array(image).astype(np.float32) / 255.0
image = torch.from_numpy(image)[None,]
if 'A' in i.getbands():
mask = np.array(i.getchannel('A')).astype(np.float32) / 255.0
mask = 1. - torch.from_numpy(mask)
else:
mask = torch.zeros((64,64), dtype=torch.float32, device="cpu")
images.append(image)
masks.append(mask)
image_count += 1
if len(images) == 0:
raise FileNotFoundError(f"No images could be loaded from directory '{directory}'.")
return (torch.cat(images, dim=0), torch.stack(masks, dim=0), image_count)
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