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fix: handle encrypted pdf decryption error #195

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Merged
merged 1 commit into from
Jul 21, 2025
Merged

fix: handle encrypted pdf decryption error #195

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4 changes: 4 additions & 0 deletions context_chat_backend/chain/ingest/doc_loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
from odfdo import Document
from pandas import read_csv, read_excel
from pypdf import PdfReader
from pypdf.errors import FileNotDecryptedError as PdfFileNotDecryptedError
from striprtf import striprtf

logger = logging.getLogger('ccb.doc_loader')
Expand Down Expand Up @@ -133,6 +134,9 @@ def decode_source(source: UploadFile) -> str | None:
result = source.file.read().decode('utf-8', 'ignore')
source.file.close()
return result
except PdfFileNotDecryptedError:
logger.warning(f'PDF file ({source.filename}) is encrypted and cannot be read')
return None
except Exception:
logger.exception(f'Error decoding source file ({source.filename})', stack_info=True)
return None
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1 change: 1 addition & 0 deletions requirements.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
apscheduler
chromadb
cryptography
ctransformers
epub2txt
fastapi
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