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Fix: Improve Memory Usage For Presentation (#8792)

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### What problem does this PR solve?
https://github.com/infiniflow/ragflow/issues/8791


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
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Stephen Hu 2025-07-11 11:35:25 +08:00 • committed by GitHub
parent 52dce4329d
commit 2b7adbd2d1
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1 changed files with 5 additions and 5 deletions
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10
rag/app/presentation.py
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@ -40,11 +40,11 @@ class Ppt(PptParser):
with slides.Presentation(BytesIO(fnm)) as presentation: with slides.Presentation(BytesIO(fnm)) as presentation:
for i, slide in enumerate(presentation.slides[from_page: to_page]): for i, slide in enumerate(presentation.slides[from_page: to_page]):
try: try:
buffered = BytesIO() with BytesIO() as buffered:
slide.get_thumbnail( slide.get_thumbnail(
0.5, 0.5).save( 0.5, 0.5).save(
buffered, drawing.imaging.ImageFormat.jpeg) buffered, drawing.imaging.ImageFormat.jpeg, quality=80)
imgs.append(Image.open(buffered)) imgs.append(Image.open(buffered))
except RuntimeError as e: except RuntimeError as e:
raise RuntimeError(f'ppt parse error at page {i+1}, original error: {str(e)}') from e raise RuntimeError(f'ppt parse error at page {i+1}, original error: {str(e)}') from e
assert len(imgs) == len( assert len(imgs) == len(