Recommit: Fix OCR and add PDF tools
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ae52759871
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4f1c8ea005
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@ -0,0 +1,60 @@
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Start processing 10 pages concurrently
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2 page already has text! - rasterizing text and running OCR anyway
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3 page already has text! - rasterizing text and running OCR anyway
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4 page already has text! - rasterizing text and running OCR anyway
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5 page already has text! - rasterizing text and running OCR anyway
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6 page already has text! - rasterizing text and running OCR anyway
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7 page already has text! - rasterizing text and running OCR anyway
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8 page already has text! - rasterizing text and running OCR anyway
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9 page already has text! - rasterizing text and running OCR anyway
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10 page already has text! - rasterizing text and running OCR anyway
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11 page already has text! - rasterizing text and running OCR anyway
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12 page already has text! - rasterizing text and running OCR anyway
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13 page already has text! - rasterizing text and running OCR anyway
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14 page already has text! - rasterizing text and running OCR anyway
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15 page already has text! - rasterizing text and running OCR anyway
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16 page already has text! - rasterizing text and running OCR anyway
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17 page already has text! - rasterizing text and running OCR anyway
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18 page already has text! - rasterizing text and running OCR anyway
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11 [tesseract] lots of diacritics - possibly poor OCR
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19 page already has text! - rasterizing text and running OCR anyway
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20 page already has text! - rasterizing text and running OCR anyway
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21 page already has text! - rasterizing text and running OCR anyway
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22 page already has text! - rasterizing text and running OCR anyway
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23 page already has text! - rasterizing text and running OCR anyway
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24 page already has text! - rasterizing text and running OCR anyway
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25 page already has text! - rasterizing text and running OCR anyway
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26 page already has text! - rasterizing text and running OCR anyway
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27 page already has text! - rasterizing text and running OCR anyway
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28 page already has text! - rasterizing text and running OCR anyway
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29 page already has text! - rasterizing text and running OCR anyway
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30 page already has text! - rasterizing text and running OCR anyway
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31 page already has text! - rasterizing text and running OCR anyway
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20 [tesseract] lots of diacritics - possibly poor OCR
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32 page already has text! - rasterizing text and running OCR anyway
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33 page already has text! - rasterizing text and running OCR anyway
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34 page already has text! - rasterizing text and running OCR anyway
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35 page already has text! - rasterizing text and running OCR anyway
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36 page already has text! - rasterizing text and running OCR anyway
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26 [tesseract] lots of diacritics - possibly poor OCR
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37 page already has text! - rasterizing text and running OCR anyway
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31 [tesseract] lots of diacritics - possibly poor OCR
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38 page already has text! - rasterizing text and running OCR anyway
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.64 savings: 39.0%
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Total file size ratio: 0.59 savings: -68.4%
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Output file is a PDF/A-2B (as expected)
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The output file size is 1.68× larger than the input file.
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Possible reasons for this include:
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--force-ocr was issued, causing transcoding.
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The optional dependency 'jbig2' was not found, so some image optimizations could not be attempted.
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The optional dependency 'pngquant' was not found, so some image optimizations could not be attempted.
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PDF/A conversion was enabled. (Try `--output-type pdf`.)
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@ -0,0 +1,17 @@
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Start processing 10 pages concurrently
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12 [tesseract] lots of diacritics - possibly poor OCR
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15 [tesseract] lots of diacritics - possibly poor OCR
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37 [tesseract] lots of diacritics - possibly poor OCR
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47 [tesseract] lots of diacritics - possibly poor OCR
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49 [tesseract] lots of diacritics - possibly poor OCR
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.26 savings: 20.7%
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Total file size ratio: 0.91 savings: -9.6%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,13 @@
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Start processing 10 pages concurrently
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21 [tesseract] lots of diacritics - possibly poor OCR
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.21 savings: 17.6%
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Total file size ratio: 0.97 savings: -3.3%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,53 @@
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Start processing 10 pages concurrently
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1 page already has text! - rasterizing text and running OCR anyway
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2 page already has text! - rasterizing text and running OCR anyway
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3 page already has text! - rasterizing text and running OCR anyway
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4 page already has text! - rasterizing text and running OCR anyway
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5 page already has text! - rasterizing text and running OCR anyway
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6 page already has text! - rasterizing text and running OCR anyway
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7 page already has text! - rasterizing text and running OCR anyway
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8 page already has text! - rasterizing text and running OCR anyway
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9 page already has text! - rasterizing text and running OCR anyway
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10 page already has text! - rasterizing text and running OCR anyway
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11 page already has text! - rasterizing text and running OCR anyway
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12 page already has text! - rasterizing text and running OCR anyway
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13 page already has text! - rasterizing text and running OCR anyway
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14 page already has text! - rasterizing text and running OCR anyway
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15 page already has text! - rasterizing text and running OCR anyway
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16 page already has text! - rasterizing text and running OCR anyway
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17 page already has text! - rasterizing text and running OCR anyway
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18 page already has text! - rasterizing text and running OCR anyway
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19 page already has text! - rasterizing text and running OCR anyway
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20 page already has text! - rasterizing text and running OCR anyway
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1 [tesseract] lots of diacritics - possibly poor OCR
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21 page already has text! - rasterizing text and running OCR anyway
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22 page already has text! - rasterizing text and running OCR anyway
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23 page already has text! - rasterizing text and running OCR anyway
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24 page already has text! - rasterizing text and running OCR anyway
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25 page already has text! - rasterizing text and running OCR anyway
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26 page already has text! - rasterizing text and running OCR anyway
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27 page already has text! - rasterizing text and running OCR anyway
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28 page already has text! - rasterizing text and running OCR anyway
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29 page already has text! - rasterizing text and running OCR anyway
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30 page already has text! - rasterizing text and running OCR anyway
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31 page already has text! - rasterizing text and running OCR anyway
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32 page already has text! - rasterizing text and running OCR anyway
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26 [tesseract] lots of diacritics - possibly poor OCR
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33 page already has text! - rasterizing text and running OCR anyway
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21 [tesseract] lots of diacritics - possibly poor OCR
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35 page already has text! - rasterizing text and running OCR anyway
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36 page already has text! - rasterizing text and running OCR anyway
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37 page already has text! - rasterizing text and running OCR anyway
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38 page already has text! - rasterizing text and running OCR anyway
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38 [tesseract] lots of diacritics - possibly poor OCR
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.62 savings: 38.4%
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Total file size ratio: 0.83 savings: -20.3%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,48 @@
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Start processing 10 pages concurrently
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2 page already has text! - rasterizing text and running OCR anyway
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3 page already has text! - rasterizing text and running OCR anyway
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4 page already has text! - rasterizing text and running OCR anyway
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5 page already has text! - rasterizing text and running OCR anyway
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6 page already has text! - rasterizing text and running OCR anyway
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7 page already has text! - rasterizing text and running OCR anyway
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8 page already has text! - rasterizing text and running OCR anyway
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9 page already has text! - rasterizing text and running OCR anyway
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10 page already has text! - rasterizing text and running OCR anyway
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11 page already has text! - rasterizing text and running OCR anyway
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12 page already has text! - rasterizing text and running OCR anyway
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13 page already has text! - rasterizing text and running OCR anyway
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14 page already has text! - rasterizing text and running OCR anyway
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15 page already has text! - rasterizing text and running OCR anyway
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16 page already has text! - rasterizing text and running OCR anyway
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17 page already has text! - rasterizing text and running OCR anyway
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18 page already has text! - rasterizing text and running OCR anyway
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19 page already has text! - rasterizing text and running OCR anyway
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20 page already has text! - rasterizing text and running OCR anyway
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21 page already has text! - rasterizing text and running OCR anyway
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22 page already has text! - rasterizing text and running OCR anyway
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23 page already has text! - rasterizing text and running OCR anyway
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24 page already has text! - rasterizing text and running OCR anyway
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25 page already has text! - rasterizing text and running OCR anyway
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26 page already has text! - rasterizing text and running OCR anyway
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27 page already has text! - rasterizing text and running OCR anyway
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28 page already has text! - rasterizing text and running OCR anyway
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29 page already has text! - rasterizing text and running OCR anyway
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30 page already has text! - rasterizing text and running OCR anyway
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31 page already has text! - rasterizing text and running OCR anyway
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32 page already has text! - rasterizing text and running OCR anyway
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33 page already has text! - rasterizing text and running OCR anyway
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34 page already has text! - rasterizing text and running OCR anyway
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35 page already has text! - rasterizing text and running OCR anyway
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36 page already has text! - rasterizing text and running OCR anyway
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37 page already has text! - rasterizing text and running OCR anyway
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.54 savings: 35.2%
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Total file size ratio: 0.89 savings: -12.2%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,12 @@
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Start processing 10 pages concurrently
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 2.13 savings: 53.0%
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Total file size ratio: 2.83 savings: 64.7%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,14 @@
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Start processing 10 pages concurrently
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27 [tesseract] lots of diacritics - possibly poor OCR
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45 [tesseract] lots of diacritics - possibly poor OCR
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 1.68 savings: 40.3%
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Total file size ratio: 2.30 savings: 56.5%
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Output file is a PDF/A-2B (as expected)
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@ -0,0 +1,12 @@
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Start processing 10 pages concurrently
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Postprocessing...
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Some input metadata could not be copied because it is not permitted in PDF/A. You may wish to examine the output PDF's XMP metadata.
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Image optimization ratio: 2.03 savings: 50.7%
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Total file size ratio: 3.15 savings: 68.2%
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Output file is a PDF/A-2B (as expected)
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import os
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import subprocess
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from pathlib import Path
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input_folder = Path("../../pitch-books")
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output_folder = Path("output")
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log_folder = Path("logs")
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for folder in [output_folder, log_folder]:
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folder.mkdir(parents=True, exist_ok=True)
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def ocr_pdf(input_file: Path):
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output_file = output_folder / f"{input_file.stem}-OCR.pdf"
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log_file = log_folder / f"{input_file.stem}.log"
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cmd = [
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"ocrmypdf",
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"--force-ocr",
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"--output-type", "pdfa",
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"--language", "deu+eng",
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str(input_file),
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str(output_file)
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]
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with open(log_file, "w") as log:
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result = subprocess.run(cmd, stdout=log, stderr=log)
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if result.returncode == 0:
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print(f"✅ OCR complete: {output_file.name}")
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else:
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print(f"❌ OCR failed. See log: {log_file}")
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if __name__ == "__main__":
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if not input_folder.exists():
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print("Input folder does not exist!")
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else:
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pdfs = list(input_folder.glob("*.pdf"))
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if not pdfs:
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print("No PDFs found in input folder.")
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else:
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for pdf in pdfs:
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print(f"Processing: {pdf.name}")
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ocr_pdf(pdf)
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ocrmypdf
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pdfplumber
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PyMuPDF
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