import os from PIL import Image, ImageOps import math import platform import sys import tqdm import time from modules import shared, images from modules.shared import opts, cmd_opts if cmd_opts.deepdanbooru: import modules.deepbooru as deepbooru def preprocess(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru=False): try: if process_caption: shared.interrogator.load() if process_caption_deepbooru: db_opts = deepbooru.create_deepbooru_opts() db_opts[deepbooru.OPT_INCLUDE_RANKS] = False deepbooru.create_deepbooru_process(opts.interrogate_deepbooru_score_threshold, db_opts) preprocess_work(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru) finally: if process_caption: shared.interrogator.send_blip_to_ram() if process_caption_deepbooru: deepbooru.release_process() def preprocess_work(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru=False): width = process_width height = process_height src = os.path.abspath(process_src) dst = os.path.abspath(process_dst) split_threshold = 0.5 overlap_ratio = 0.2 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) def save_pic_with_caption(image, index): caption = "" if process_caption: caption += shared.interrogator.generate_caption(image) if process_caption_deepbooru: if len(caption) > 0: caption += ", " caption += deepbooru.get_tags_from_process(image) filename_part = filename filename_part = os.path.splitext(filename_part)[0] filename_part = os.path.basename(filename_part) basename = f"{index:05}-{subindex[0]}-{filename_part}" image.save(os.path.join(dst, f"{basename}.png")) if len(caption) > 0: with open(os.path.join(dst, f"{basename}.txt"), "w", encoding="utf8") as file: file.write(caption) 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) def split_pic(image, inverse_xy): if inverse_xy: from_w, from_h = image.height, image.width to_w, to_h = height, width else: from_w, from_h = image.width, image.height to_w, to_h = width, height h = from_h * to_w // from_w if inverse_xy: image = image.resize((h, to_w)) else: image = image.resize((to_w, h)) split_count = math.ceil((h - to_h * overlap_ratio) / (to_h * (1.0 - overlap_ratio))) y_step = (h - to_h) / (split_count - 1) for i in range(split_count): y = int(y_step * i) if inverse_xy: splitted = image.crop((y, 0, y + to_h, to_w)) else: splitted = image.crop((0, y, to_w, y + to_h)) yield splitted for index, imagefile in enumerate(tqdm.tqdm(files)): subindex = [0] filename = os.path.join(src, imagefile) try: img = Image.open(filename).convert("RGB") except Exception: continue if shared.state.interrupted: break if img.height > img.width: ratio = (img.width * height) / (img.height * width) inverse_xy = False else: ratio = (img.height * width) / (img.width * height) inverse_xy = True if process_split and ratio < 1.0 and ratio <= split_threshold: for splitted in split_pic(img, inverse_xy): save_pic(splitted, index) else: img = images.resize_image(1, img, width, height) save_pic(img, index) shared.state.nextjob()