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Code Issues Projects Releases Packages Wiki Activity Actions 10

improve image minification logic

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This commit is contained in:
Jared Dueck 2025-08-03 12:29:52 -05:00
commit b073758bf7
1 changed files with 48 additions and 32 deletions
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80
mealie/pkgs/img/minify.py
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@ -71,33 +71,41 @@ class ABCMinifier(ABC):
class PillowMinifier(ABCMinifier):
@staticmethod
def _convert_image(
image_file: Path, image_format: ImageFormat, dest: Path | None = None, quality: int = 100
image_file: Path | None = None, image_format: ImageFormat, dest: Path | None = None, quality: int = 100, img: Image.Image | None = None
) -> Path:
"""
Converts an image to the specified format in-place. The original image is not
removed. By default, the quality is set to 100.
"""
if img is None:
if image_file is None:
raise ValueError("Must provide either image_file or img.")
img = Image.open(image_file)
img = Image.open(image_file)
img = ImageOps.exif_transpose(img)
if img.mode not in image_format.modes:
img = img.convert(image_format.modes[0])
dest = dest or image_file.with_suffix(image_format.suffix)
if dest is None:
if image_file is None:
raise ValueError("If dest is not provided, image_file must be.")
dest = image_file.with_suffix(image_format.suffix)
img.save(dest, image_format.format, quality=quality)
return dest
@staticmethod
def to_jpg(image_file: Path, dest: Path | None = None, quality: int = 100) -> Path:
return PillowMinifier._convert_image(image_file, JPG, dest, quality)
def to_jpg(image_file_path: Path | None = None, dest_path: Path | None = None, quality: int = 100, img: Image.Image | None = None) -> Path:
return PillowMinifier._convert_image(image_file_path, JPG, dest_path, quality, img)
@staticmethod
def to_webp(image_file: Path, dest: Path | None = None, quality: int = 100) -> Path:
return PillowMinifier._convert_image(image_file, WEBP, dest, quality)
def to_webp(image_file_path: Path | None = None, dest_path: Path | None = None, quality: int = 100, img: Image.Image | None = None) -> Path:
return PillowMinifier._convert_image(image_file_path, WEBP, dest_path, quality, img)
@staticmethod
def crop_center(pil_img: Image, crop_width=300, crop_height=300):
def crop_center(pil_img: Image, crop_width=300, crop_height=300) -> Image.Image:
img_width, img_height = pil_img.size
return pil_img.crop(
(
@ -117,36 +125,44 @@ class PillowMinifier(ABCMinifier):
tiny_dest = image_file.parent.joinpath("tiny-original.webp")
if not force and min_dest.exists() and tiny_dest.exists() and org_dest.exists():
self._logger.info(f"{image_file.name} already minified")
self._logger.info(f"{image_file.name} already exists in all formats")
return
success = False
if self._opts.original:
if not force and org_dest.exists():
self._logger.info(f"{image_file.name} already minified")
else:
PillowMinifier.to_webp(image_file, org_dest, quality=70)
success = True
try:
with Image.open(image_file) as img:
if self._opts.miniature:
if not force and min_dest.exists():
self._logger.info(f"{image_file.name} already minified")
else:
PillowMinifier.to_webp(image_file, min_dest, quality=70)
self._logger.info(f"{image_file.name} minified")
success = True
if self._opts.original:
if not force and org_dest.exists():
self._logger.info(f"{org_dest} already minified")
else:
result_path = PillowMinifier.to_webp(dest_path=org_dest, quality=80, img=img.copy())
self._logger.info(f"{result_path} created")
success = True
if self._opts.tiny:
if not force and tiny_dest.exists():
self._logger.info(f"{image_file.name} already minified")
else:
img = Image.open(image_file)
img = ImageOps.exif_transpose(img)
tiny_image = PillowMinifier.crop_center(img)
tiny_image.save(tiny_dest, WEBP.format, quality=70)
self._logger.info("Tiny image saved")
success = True
if self._opts.miniature:
if not force and min_dest.exists():
self._logger.info(f"{min_dest} already minified")
else:
mini = img.copy()
mini.thumbnail((1024, 1024), Image.LANCZOS)
result_path = PillowMinifier.to_webp(dest_path=min_dest, quality=70, img=mini)
self._logger.info(f"{result_path} created")
success = True
if self._opts.tiny:
if not force and tiny_dest.exists():
self._logger.info(f"{tiny_dest} already minified")
else:
tiny_image = PillowMinifier.crop_center(ImageOps.exif_transpose(img.copy()))
result_path = PillowMinifier.to_webp(dest_path=tiny_dest, quality=70, img=tiny_image)
self._logger.info(f"{result_path} created")
success = True
except Exception as e:
self._logger.error(f"[ERROR] Failed to minify {image_file.name}. Error: {e}")
raise
if self._purge and success:
self.purge(image_file)