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Process EXIF orientation for uploaded files

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Thomas Sileo 2022-09-03 10:15:37 +02:00
parent 16da166ee1
commit f7671f0585
1 changed files with 13 additions and 7 deletions
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20
app/uploads.py
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@ -5,6 +5,7 @@ import blurhash # type: ignore
from fastapi import UploadFile
from loguru import logger
from PIL import Image
from PIL import ImageOps
from sqlalchemy import select
from app import activitypub as ap
@ -46,10 +47,12 @@ async def save_upload(db_session: AsyncSession, f: UploadFile) -> models.Upload:
height = None
if f.content_type.startswith("image"):
image_blurhash = blurhash.encode(f.file, x_components=4, y_components=3)
f.file.seek(0)
with Image.open(f.file) as _original_image:
# Fix image orientation (as we will remove the info from the EXIF
# metadata)
original_image = ImageOps.exif_transpose(_original_image)
with Image.open(f.file) as original_image:
# Re-creating the image drop the EXIF metadata
destination_image = Image.new(
original_image.mode,
original_image.size,
@ -57,13 +60,16 @@ async def save_upload(db_session: AsyncSession, f: UploadFile) -> models.Upload:
destination_image.putdata(original_image.getdata())
destination_image.save(
dest_filename,
format=original_image.format,
format=_original_image.format,
)
with open(dest_filename, "rb") as dest_f:
image_blurhash = blurhash.encode(dest_f, x_components=4, y_components=3)
try:
width, height = original_image.size
original_image.thumbnail((740, 740))
original_image.save(
width, height = destination_image.size
destination_image.thumbnail((740, 740))
destination_image.save(
UPLOAD_DIR / f"{content_hash}_resized",
format="webp",
)