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| import os | |
| from PIL import Image, ImageOps | |
| import platform | |
| import sys | |
| 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 destination' | |
| 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) | |
| caption = sanitize_caption(os.path.join(dst, f"{index:05}-{subindex[0]}"), caption, ".png") | |
| else: | |
| caption = filename | |
| caption = os.path.splitext(caption)[0] | |
| caption = os.path.basename(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() | |
| def sanitize_caption(base_path, original_caption, suffix): | |
| operating_system = platform.system().lower() | |
| if (operating_system == "windows"): | |
| invalid_path_characters = "\\/:*?\"<>|" | |
| max_path_length = 259 | |
| else: | |
| invalid_path_characters = "/" #linux/macos | |
| max_path_length = 1023 | |
| caption = original_caption | |
| for invalid_character in invalid_path_characters: | |
| caption = caption.replace(invalid_character, "") | |
| fixed_path_length = len(base_path) + len(suffix) | |
| if fixed_path_length + len(caption) <= max_path_length: | |
| return caption | |
| caption_tokens = caption.split() | |
| new_caption = "" | |
| for token in caption_tokens: | |
| last_caption = new_caption | |
| new_caption = new_caption + token + " " | |
| if (len(new_caption) + fixed_path_length - 1 > max_path_length): | |
| break | |
| print(f"\nPath will be too long. Truncated caption: {original_caption}\nto: {last_caption}", file=sys.stderr) | |
| return last_caption.strip() | |