diff options
Diffstat (limited to 'modules/textual_inversion/preprocess.py')
| -rw-r--r-- | modules/textual_inversion/preprocess.py | 85 |
1 files changed, 58 insertions, 27 deletions
diff --git a/modules/textual_inversion/preprocess.py b/modules/textual_inversion/preprocess.py index 886cf0c3..33eaddb6 100644 --- a/modules/textual_inversion/preprocess.py +++ b/modules/textual_inversion/preprocess.py @@ -1,5 +1,6 @@ import os
from PIL import Image, ImageOps
+import math
import platform
import sys
import tqdm
@@ -11,7 +12,7 @@ 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):
+def preprocess(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru=False, split_threshold=0.5, overlap_ratio=0.2):
try:
if process_caption:
shared.interrogator.load()
@@ -21,7 +22,7 @@ def preprocess(process_src, process_dst, process_width, process_height, process_ 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)
+ preprocess_work(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru, split_threshold, overlap_ratio)
finally:
@@ -33,11 +34,13 @@ def preprocess(process_src, process_dst, process_width, process_height, process_ -def preprocess_work(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru=False):
+def preprocess_work(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru=False, split_threshold=0.5, overlap_ratio=0.2):
width = process_width
height = process_height
src = os.path.abspath(process_src)
dst = os.path.abspath(process_dst)
+ split_threshold = max(0.0, min(1.0, split_threshold))
+ overlap_ratio = max(0.0, min(0.9, overlap_ratio))
assert src != dst, 'same directory specified as source and destination'
@@ -48,7 +51,7 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro shared.state.textinfo = "Preprocessing..."
shared.state.job_count = len(files)
- def save_pic_with_caption(image, index):
+ def save_pic_with_caption(image, index, existing_caption=None):
caption = ""
if process_caption:
@@ -66,17 +69,49 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro basename = f"{index:05}-{subindex[0]}-{filename_part}"
image.save(os.path.join(dst, f"{basename}.png"))
+ if preprocess_txt_action == 'prepend' and existing_caption:
+ caption = existing_caption + ' ' + caption
+ elif preprocess_txt_action == 'append' and existing_caption:
+ caption = caption + ' ' + existing_caption
+ elif preprocess_txt_action == 'copy' and existing_caption:
+ caption = existing_caption
+
+ caption = caption.strip()
+
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)
+ def save_pic(image, index, existing_caption=None):
+ save_pic_with_caption(image, index, existing_caption=existing_caption)
if process_flip:
- save_pic_with_caption(ImageOps.mirror(image), index)
+ save_pic_with_caption(ImageOps.mirror(image), index, existing_caption=existing_caption)
+
+ 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]
@@ -86,31 +121,27 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro except Exception:
continue
+ existing_caption = None
+ existing_caption_filename = os.path.splitext(filename)[0] + '.txt'
+ if os.path.exists(existing_caption_filename):
+ with open(existing_caption_filename, 'r', encoding="utf8") as file:
+ existing_caption = file.read()
+
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((width, height * img.height // img.width))
-
- top = img.crop((0, 0, width, height))
- save_pic(top, index)
-
- bot = img.crop((0, img.height - height, width, img.height))
- save_pic(bot, index)
- elif process_split and is_wide:
- img = img.resize((width * img.width // img.height, height))
-
- left = img.crop((0, 0, width, height))
- save_pic(left, index)
+ 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
- right = img.crop((img.width - width, 0, img.width, height))
- save_pic(right, index)
+ if process_split and ratio < 1.0 and ratio <= split_threshold:
+ for splitted in split_pic(img, inverse_xy):
+ save_pic(splitted, index, existing_caption=existing_caption)
else:
img = images.resize_image(1, img, width, height)
- save_pic(img, index)
+ save_pic(img, index, existing_caption=existing_caption)
shared.state.nextjob()
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