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convert to RGB (from ARGB) when saving as JPEG #288

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viennet merged 1 commits from jmplace/ScoDoc-Lille:fix_rgb_exception into master 2022-01-22 12:33:15 +01:00
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1 changed files with 4 additions and 2 deletions
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6
app/views/scodoc.py
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@ -266,14 +266,16 @@ def _return_logo(name="header", dept_id="", small=False, strict: bool = True):
suffix = logo.suffix
if small:
with PILImage.open(logo.filepath) as im:
im.thumbnail(SMALL_SIZE)
stream = io.BytesIO()
# on garde le même format (on pourrait plus simplement générer systématiquement du JPEG)
fmt = { # adapt suffix to be compliant with PIL save format
"PNG": "PNG",
"JPG": "JPEG",
"JPEG": "JPEG",
}[suffix.upper()]
if fmt == "JPEG":
im = im.convert("RGB")
im.thumbnail(SMALL_SIZE)
stream = io.BytesIO()
im.save(stream, fmt)
stream.seek(0)
return send_file(stream, mimetype=f"image/{fmt}")