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__author__ = "receyuki"
__filename__ = "image_data_reader.py"
__copyright__ = "Copyright 2023"
__email__ = "receyuki@gmail.com"
import json
from xml.dom import minidom
import piexif
import piexif.helper
from PIL import Image
from PIL.PngImagePlugin import PngInfo
PARAMETER_PLACEHOLDER = " "
from .format import (
A1111,
EasyDiffusion,
InvokeAI,
NovelAI,
ComfyUI,
DrawThings,
SwarmUI,
Fooocus,
)
class ImageDataReader:
def __init__(self, file, is_txt: bool = False):
self._height = None
self._width = None
self._info = {}
self._positive = ""
self._negative = ""
self._positive_sdxl = {}
self._negative_sdxl = {}
self._setting = ""
self._raw = ""
self._tool = ""
self._parameter_key = ["model", "sampler", "seed", "cfg", "steps", "size"]
self._parameter = dict.fromkeys(self._parameter_key, PARAMETER_PLACEHOLDER)
self._is_txt = is_txt
self._is_sdxl = False
self._format = ""
self._parser = None
self.read_data(file)
def read_data(self, file):
if self._is_txt:
self._raw = file.read()
self._parser = A1111(raw=self._raw)
return
with Image.open(file) as f:
self._width = f.width
self._height = f.height
self._info = f.info
self._format = f.format
# swarm legacy format
try:
exif = json.loads(f.getexif().get(0x0110))
if "sui_image_params" in exif:
self._tool = "StableSwarmUI"
self._parser = SwarmUI(info=exif)
except TypeError:
if f.format == "PNG":
if "parameters" in self._info:
# swarm format
if "sui_image_params" in self._info.get("parameters"):
self._tool = "StableSwarmUI"
self._parser = SwarmUI(raw=self._info.get("parameters"))
# a1111 png compatible format
else:
if "prompt" in self._info:
self._tool = "ComfyUI\n(A1111 compatible)"
else:
self._tool = "A1111 webUI"
self._parser = A1111(info=self._info)
# easydiff png format
elif (
"negative_prompt" in self._info
or "Negative Prompt" in self._info
):
self._tool = "Easy Diffusion"
self._parser = EasyDiffusion(info=self._info)
# invokeai3 format
elif "invokeai_metadata" in self._info:
self._tool = "InvokeAI"
self._parser = InvokeAI(info=self._info)
# invokeai2 format
elif "sd-metadata" in self._info:
self._tool = "InvokeAI"
self._parser = InvokeAI(info=self._info)
# invokeai legacy dream format
elif "Dream" in self._info:
self._tool = "InvokeAI"
self._parser = InvokeAI(info=self._info)
# novelai format
elif self._info.get("Software") == "NovelAI":
self._tool = "NovelAI"
self._parser = NovelAI(
info=self._info, width=self._width, height=self._height
)
# comfyui format
elif "prompt" in self._info:
self._tool = "ComfyUI"
self._parser = ComfyUI(
info=self._info, width=self._width, height=self._height
)
# fooocus format
elif "Comment" in self._info:
try:
self._tool = "Fooocus"
self._parser = Fooocus(
info=json.loads(self._info.get("Comment"))
)
except:
print("Fooocus format error")
# drawthings format
elif "XML:com.adobe.xmp" in self._info:
try:
data = minidom.parseString(
self._info.get("XML:com.adobe.xmp")
)
data_json = json.loads(
data.getElementsByTagName("exif:UserComment")[0]
.childNodes[1]
.childNodes[1]
.childNodes[0]
.data
)
except:
print("Draw things format error")
else:
self._tool = "Draw Things"
self._parser = DrawThings(info=data_json)
elif f.format in ["JPEG", "WEBP"]:
# fooocus jpeg format
if "comment" in self._info:
try:
self._tool = "Fooocus"
self._parser = Fooocus(
info=json.loads(self._info.get("comment"))
)
except:
print("Fooocus format error")
else:
try:
exif = piexif.load(self._info.get("exif")) or {}
user_comment = exif.get("Exif").get(
piexif.ExifIFD.UserComment
)
except TypeError:
print("empty jpeg")
except Exception:
pass
else:
# swarm format
if "sui_image_params" in user_comment[8:].decode("utf-16"):
self._tool = "StableSwarmUI"
self._parser = SwarmUI(
raw=user_comment[8:].decode("utf-16")
)
else:
self._raw = piexif.helper.UserComment.load(user_comment)
# easydiff jpeg and webp format
if self._raw[0] == "{":
self._tool = "Easy Diffusion"
self._parser = EasyDiffusion(raw=self._raw)
# a1111 jpeg and webp format
else:
self._tool = "A1111 webUI"
self._parser = A1111(raw=self._raw)
@staticmethod
def remove_data(image_file):
with Image.open(image_file) as f:
image_data = list(f.getdata())
image_without_exif = Image.new(f.mode, f.size)
image_without_exif.putdata(image_data)
return image_without_exif
@staticmethod
def save_image(image_path, new_path, image_format, data=None):
metadata = None
if data:
match image_format:
case "PNG":
metadata = PngInfo()
metadata.add_text("parameters", data)
case "JPEG" | "WEBP":
metadata = piexif.dump(
{
"Exif": {
piexif.ExifIFD.UserComment: piexif.helper.UserComment.dump(
data, encoding="unicode"
)
},
}
)
with Image.open(image_path) as f:
try:
match image_format:
case "PNG":
if data:
f.save(new_path, pnginfo=metadata)
else:
f.save(new_path)
case "JPEG":
f.save(new_path, quality="keep")
if data:
piexif.insert(metadata, str(new_path))
case "WEBP":
f.save(new_path, quality=100, lossless=True)
if data:
piexif.insert(metadata, str(new_path))
except:
print("Save error")
def prompt_to_line(self):
return self._parser.prompt_to_line()
@property
def height(self):
return self._parser.height
@property
def width(self):
return self._parser.width
@property
def info(self):
return self._info
@property
def positive(self):
return self._parser.positive
@property
def negative(self):
return self._parser.negative
@property
def positive_sdxl(self):
return self._parser.positive_sdxl
@property
def negative_sdxl(self):
return self._parser.negative_sdxl
@property
def setting(self):
return self._parser.setting
@property
def raw(self):
return self._parser.raw
@property
def tool(self):
return self._tool
@property
def parameter(self):
return self._parser.parameter
@property
def format(self):
return self._format
@property
def is_sdxl(self):
return self._parser.is_sdxl
@property
def props(self):
return self._parser.props
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