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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 = 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()
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