import os from PIL import Image, ImageOps import tqdm from modules import shared, images def preprocess(process_src, process_dst, process_flip, process_split, process_caption): size = 512 src = os.path.abspath(process_src) dst = os.path.abspath(process_dst) assert src != dst, 'same directory specified as source and desitnation' os.makedirs(dst, exist_ok=True) files = os.listdir(src) shared.state.textinfo = "Preprocessing..." shared.state.job_count = len(files) if process_caption: shared.interrogator.load() def save_pic_with_caption(image, index): if process_caption: caption = "-" + shared.interrogator.generate_caption(image) else: caption = "" image.save(os.path.join(dst, f"{index:05}-{subindex[0]}{caption}.png")) subindex[0] += 1 def save_pic(image, index): save_pic_with_caption(image, index) if process_flip: save_pic_with_caption(ImageOps.mirror(image), index) for index, imagefile in enumerate(tqdm.tqdm(files)): subindex = [0] filename = os.path.join(src, imagefile) img = Image.open(filename).convert("RGB") if shared.state.interrupted: break ratio = img.height / img.width is_tall = ratio > 1.35 is_wide = ratio < 1 / 1.35 if process_split and is_tall: img = img.resize((size, size * img.height // img.width)) top = img.crop((0, 0, size, size)) save_pic(top, index) bot = img.crop((0, img.height - size, size, img.height)) save_pic(bot, index) elif process_split and is_wide: img = img.resize((size * img.width // img.height, size)) left = img.crop((0, 0, size, size)) save_pic(left, index) right = img.crop((img.width - size, 0, img.width, size)) save_pic(right, index) else: img = images.resize_image(1, img, size, size) save_pic(img, index) shared.state.nextjob() if process_caption: shared.interrogator.send_blip_to_ram()