Fix: Add a warning about a low image DPI which may cause OCR to fail (#4708)

diff --git a/src/paperless_tesseract/parsers.py b/src/paperless_tesseract/parsers.py
index f64ea8adf11f7040b1faa8e79c07efc7549ab9bc..3523da7bde4a482abad0f76aaa03f1d664e2ea63 100644 (file)
--- a/src/paperless_tesseract/parsers.py
+++ b/src/paperless_tesseract/parsers.py
@@ -244,6 +244,10 @@ class RasterisedDocumentParser(DocumentParser):
                     f"no DPI information is present in this image and "
                     f"OCR_IMAGE_DPI is not set.",
                 )
+            if ocrmypdf_args["image_dpi"] < 70:  # pragma: no cover
+                self.log.warning(
+                    f"Image DPI of {ocrmypdf_args['image_dpi']} is low, OCR may fail",
+                )
 
         if settings.OCR_USER_ARGS and not safe_fallback:
             try: