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convert uploaded images to webp

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This commit is contained in:
thomas girod
2024-09-01 19:05:54 +02:00
parent b3e59b3829
commit dd07c374d7
6 changed files with 41 additions and 34 deletions
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10
core/utils.py
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@ -102,13 +102,17 @@ def scale_dimension(width, height, long_edge):
def resize_image(im, edge, img_format):
(w, h) = im.size
(width, height) = scale_dimension(w, h, long_edge=edge)
img_format = img_format.upper()
content = BytesIO()
# use the lanczos filter for antialiasing and discard the alpha channel
im = im.resize((width, height), Resampling.LANCZOS).convert("RGB")
im = im.resize((width, height), Resampling.LANCZOS)
if img_format == "JPEG":
# converting an image with an alpha channel to jpeg would cause a crash
im = im.convert("RGB")
try:
im.save(
fp=content,
format=img_format.upper(),
format=img_format,
quality=90,
optimize=True,
progressive=True,
@ -117,7 +121,7 @@ def resize_image(im, edge, img_format):
PIL.ImageFile.MAXBLOCK = im.size[0] * im.size[1]
im.save(
fp=content,
format=img_format.upper(),
format=img_format,
quality=90,
optimize=True,
progressive=True,