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Code Issues Packages Projects Releases Wiki Activity

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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24
core/management/commands/populate.py
View File

@ -234,10 +234,10 @@ Welcome to the wiki page!
skia_profile = SithFile(
parent=profiles_root,
name=name,
file=resize_image(Image.open(BytesIO(f.read())), 400, "JPEG"),
file=resize_image(Image.open(BytesIO(f.read())), 400, "WEBP"),
owner=skia,
is_folder=False,
mime_type="image/jpeg",
mime_type="image/webp",
size=skia_profile_path.stat().st_size,
)
skia_profile.file.name = name
@ -368,10 +368,10 @@ Welcome to the wiki page!
richard_profile = SithFile(
parent=profiles_root,
name=name,
file=resize_image(Image.open(BytesIO(f.read())), 400, "JPEG"),
file=resize_image(Image.open(BytesIO(f.read())), 400, "WEBP"),
owner=richard,
is_folder=False,
mime_type="image/jpeg",
mime_type="image/webp",
size=richard_profile_path.stat().st_size,
)
richard_profile.file.name = name
@ -853,10 +853,10 @@ Welcome to the wiki page!
sli_profile = SithFile(
parent=profiles_root,
name=name,
file=resize_image(Image.open(BytesIO(f.read())), 400, "JPEG"),
file=resize_image(Image.open(BytesIO(f.read())), 400, "WEBP"),
owner=sli,
is_folder=False,
mime_type="image/jpeg",
mime_type="image/webp",
size=sli_profile_path.stat().st_size,
)
sli_profile.file.name = name
@ -887,10 +887,10 @@ Welcome to the wiki page!
krophil_profile = SithFile(
parent=profiles_root,
name=name,
file=resize_image(Image.open(BytesIO(f.read())), 400, "JPEG"),
file=resize_image(Image.open(BytesIO(f.read())), 400, "WEBP"),
owner=krophil,
is_folder=False,
mime_type="image/jpeg",
mime_type="image/webp",
size=krophil_profile_path.stat().st_size,
)
krophil_profile.file.name = name
@ -1217,13 +1217,13 @@ Welcome to the wiki page!
parent=album,
name=p.name,
file=resize_image(
Image.open(BytesIO(p.read_bytes())), 1000, "JPEG"
Image.open(BytesIO(p.read_bytes())), 1000, "WEBP"
),
owner=root,
is_folder=False,
is_in_sas=True,
is_moderated=True,
mime_type="image/jpeg",
mime_type="image/webp",
size=p.stat().st_size,
)
pict.file.name = p.name
@ -1252,10 +1252,10 @@ Welcome to the wiki page!
skia_profile = SithFile(
parent=profiles_root,
name=name,
file=resize_image(Image.open(BytesIO(f.read())), 400, "JPEG"),
file=resize_image(Image.open(BytesIO(f.read())), 400, "WEBP"),
owner=skia,
is_folder=False,
mime_type="image/jpeg",
mime_type="image/webp",
size=skia_profile_path.stat().st_size,
)
skia_profile.file.name = name

6
core/templates/core/user_edit.jinja
View File

@ -164,7 +164,7 @@
/* Stop camera */
this.video.pause()
this.video.srcObject.getTracks().forEach((track) => {
if (track.readyState == 'live') {
if (track.readyState === 'live') {
track.stop();
}
});
@ -172,8 +172,8 @@
canvas.toBlob((blob) => {
let file = new File(
[blob],
"{% trans %}captured{% endtrans %}.png",
{ type: "image/jpeg" },
"{% trans %}captured{% endtrans %}.webp",
{ type: "image/webp" },
);
let list = new DataTransfer();

10
core/utils.py
View File

@ -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,

3
core/views/files.py
View File

@ -12,6 +12,7 @@
# OR WITHIN THE LOCAL FILE "LICENSE"
#
#
import mimetypes
from urllib.parse import quote, urljoin
# This file contains all the views that concern the page model
@ -77,7 +78,7 @@ def send_file(
raise Http404
with open(filepath, "rb") as filename:
response.content = FileWrapper(filename)
response["Content-Type"] = f.mime_type
response["Content-Type"] = mimetypes.guess_type(filepath)[0]
response["Last-Modified"] = http_date(f.date.timestamp())
response["Content-Length"] = filepath.stat().st_size
return response

10
core/views/forms.py
View File

@ -239,10 +239,6 @@ class UserProfileForm(forms.ModelForm):
"quote": forms.Textarea,
}
def generate_name(self, field_name, f):
field_name = field_name[:-4]
return field_name + str(self.instance.id) + "." + f.content_type.split("/")[-1]
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
@ -278,11 +274,11 @@ class UserProfileForm(forms.ModelForm):
im = Image.open(BytesIO(f.read()))
new_file = SithFile(
parent=parent,
name=self.generate_name(field, f),
file=resize_image(im, 400, f.content_type.split("/")[-1]),
name=f"{field.removesuffix('_pict')}_{self.instance.id}.webp",
file=resize_image(im, 400, "webp"),
owner=self.instance,
is_folder=False,
mime_type=f.content_type,
mime_type="image/wepb",
size=f.size,
moderator=self.instance,
is_moderated=True,

22
sas/models.py
View File

@ -110,19 +110,25 @@ class Picture(SasFile):
im = exif_auto_rotate(im)
except:
pass
file = resize_image(im, max(im.size), self.mime_type.split("/")[-1])
thumb = resize_image(im, 200, self.mime_type.split("/")[-1])
compressed = resize_image(im, 1200, self.mime_type.split("/")[-1])
# convert the compressed image and the thumbnail into webp
# The original image keeps its original type, because it's not
# meant to be shown on the website, but rather to keep the real image
# for less frequent cases (like downloading the pictures of an user)
extension = self.mime_type.split("/")[-1]
file = resize_image(im, max(im.size), extension)
thumb = resize_image(im, 200, "webp")
compressed = resize_image(im, 1200, "webp")
if overwrite:
self.file.delete()
self.thumbnail.delete()
self.compressed.delete()
new_extension_name = self.name.removesuffix(extension) + "webp"
self.file = file
self.file.name = self.name
self.thumbnail = thumb
self.thumbnail.name = self.name
self.thumbnail.name = new_extension_name
self.compressed = compressed
self.compressed.name = self.name
self.compressed.name = new_extension_name
self.save()
def rotate(self, degree):
@ -224,9 +230,9 @@ class Album(SasFile):
.first()
)
if p and p.file:
im = Image.open(BytesIO(p.file.read()))
self.file = resize_image(im, 200, "jpeg")
self.file.name = self.name + "/thumb.jpg"
image = resize_image(Image.open(BytesIO(p.file.read())), 200, "webp")
self.file = image
self.file.name = f"{self.name}/thumb.webp"
self.save()