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community: Fix the problem of error reporting when OCR extracts text from PDF. #29378

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merged 4 commits into from
Jan 23, 2025
Merged

community: Fix the problem of error reporting when OCR extracts text from PDF. #29378

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a0011d3
Fix the problem of error reporting when OCR extracts text from PDF.
jiangtongxueya Jan 23, 2025
9d907dc
Adjust the length of code lines.
jiangtongxueya Jan 23, 2025
f92f351
Code formatting
jiangtongxueya Jan 23, 2025
fa90550
format
ccurme Jan 23, 2025
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6 changes: 6 additions & 0 deletions libs/community/langchain_community/document_loaders/parsers/pdf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -311,6 +311,12 @@ def _extract_images_from_page(self, page: pypdf.PageObject) -> str:
)
elif xObject[obj]["/Filter"][1:] in _PDF_FILTER_WITH_LOSS:
images.append(xObject[obj].get_data())
elif (
isinstance(xObject[obj]["/Filter"], list)
and xObject[obj]["/Filter"]
and xObject[obj]["/Filter"][0][1:] in _PDF_FILTER_WITH_LOSS
):
images.append(xObject[obj].get_data())
else:
warnings.warn("Unknown PDF Filter!")
return extract_from_images_with_rapidocr(images)
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