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1009 Commits
Author SHA1 Message Date
James R. Barlow 6c427f82ea Add test case for corrupt ICC profiles 2022-05-26 00:41:19 -07:00
James R. Barlow e7a44ba87a info: adjust ICC warning message 2022-05-26 00:21:31 -07:00
James R. Barlow c311768452 Merge branch 'corrupt-icc' of https://github.com/oscherler/OCRmyPDF into oscherler-corrupt-icc 2022-05-26 00:14:47 -07:00
James R. Barlow 87838127b0 info: replace introspection with explicit f-string 2022-05-25 13:16:40 -07:00
Olivier Scherler 4db4df5c72 Log a warning instead of failing on images with a corrupt ICC profile. 2022-05-25 12:37:21 +02:00
leonnicolasandGitHub 603da52026 Fix small typo in update api.py (#963) 
[ci skip]
 2022-05-14 21:45:23 -07:00
James R. Barlow 33bfba8449 ghostscript: match actual reported version 2022-04-03 23:35:30 -07:00
James Barlow 84b9d4d021 Speculation: Ghostscript 9.56 new PDF interpreter breaks things 2022-04-03 21:14:19 -07:00
James Barlow 776ada6713 Upgrade pre-commit and associated tools; various lints 2022-04-03 20:53:01 -07:00
James Barlow f29fe7f23e Fix Pillow deprecation warnings 2022-04-03 13:30:50 -07:00
James R. Barlow 8182fe9c92 Make --use-threads default and update release notes 
Re: issue Hanging on Random Files  #814
 2022-03-13 00:37:06 -08:00
James R. Barlow 1950acfbda docs: proofread plugins 2022-02-20 00:56:43 -08:00
James R. Barlow 3546479658 optimize: don't deflate JPEGs with fancy DecodeParms settings 
This is overly cautious but will do for now.
 2022-02-18 23:36:53 -08:00
James R. Barlow 72442fa3d0 Fix error messages when run with pikepdf 5.0.0 
Appears that these are spurious errors from qpdf probing the /DecodeParms
dict on images that don't have it.

Not sure exactly why it happens but this can be safely ignored.
 2022-02-18 23:35:44 -08:00
James R. Barlow cb05c1d122 pdfinfo: a few annotations 2022-02-14 23:31:53 -08:00
James R. Barlow 514038d4ec optimize: recognize and produce [/FlateDecode /DCTDecode] images 2022-02-08 00:38:08 -08:00
James R. Barlow 50d76e7f6c optimize: remove comment about issue in Pillow that is now fixed 2022-02-07 22:18:20 -08:00
James R. Barlow 6c78a46285 optimize: remove inaccurate about ICCs 
pikepdf will now get the ICC profile out and put it in the JPEG.
 2022-02-07 19:42:13 -08:00
James R. Barlow 863d560632 optimize: clarify log message about skipping images with multiple filters 2022-02-06 22:41:10 -08:00
James R. Barlow 3dfde479e2 The world is not ready for := 2022-01-26 00:16:51 -08:00
James R. Barlow 3b406112d0 ghostscript: improve test coverage of error cases 2022-01-25 23:45:47 -08:00
James R. Barlow fcc4c2d371 ghostscript: improve error message if image cannot be opened 2022-01-25 23:12:51 -08:00
James R. Barlow 3de18ed612 tesseract: account for more tesseract 5 output differences 2022-01-25 00:19:49 -08:00
James R. Barlow 93cca42e20 optimize: don't try to optimize an image we can't save 2022-01-25 00:19:23 -08:00
James R. Barlow 2d0ac4707c Use better img2pdf settings where possible while supporting old versions 
Fixes #894
 2022-01-14 11:55:54 -08:00
James R. Barlow 7d208175cf unpaper: refactoring 2022-01-11 10:57:54 -08:00
James R. Barlow ea69e868ed unpaper: issue warning if image too large to clean 2022-01-11 10:44:38 -08:00
Anton GladkyandGitHub 5acbd7a252 Wrap exception on non-CMYK images into the log warning (#881) 2021-12-29 01:15:49 -08:00
Krasimir NedelchevandGitHub aed955ca8c Fix typo (#882) 2021-12-27 15:36:19 -08:00
James R. Barlow 1a58abcc6a concurrency: fix extra update of progressbar 2021-12-19 11:34:09 -08:00
James R. Barlow dbfceba020 Standardize ghostscript version default 2021-12-18 02:01:42 -08:00
James R. Barlow 0faa618c3c Replace deprecated distutils with packaging.version 2021-12-18 01:57:59 -08:00
James R. Barlow 7035002c03 Order of operations suppressed detailed Ghostscript missing error message 2021-12-18 01:27:39 -08:00
James R. Barlow f8fadaef41 _windows: remove use of deprecated distutils 2021-12-13 20:45:54 -08:00
James R. Barlow d48254d477 Fix issue with attempting to deskew a blank page on Tesseract 5 
Closes #868
 2021-12-10 21:48:09 -08:00
James R. Barlow 6910c48b81 Fix test_outputtype_none on Windows and cleanup docs 2021-12-06 15:38:38 -08:00
James R. Barlow 9de06f62ee Use Python executors instead of pools 
ProcessPool/ThreadPool don't have the ability to notice when a child worker
was terminated. ProcessPoolExecutor and ThreadPoolExecutor do notice and
provide better error messages.

Add tests to check.
 2021-12-06 15:38:27 -08:00
James R. Barlow 26badf2882 typing: small improvements 2021-12-06 15:38:27 -08:00
James R. Barlow 8f873aaa45 sync: typing improvements 2021-12-06 15:38:27 -08:00
James R. Barlow f91faf9795 Add new argument --tesseract-thresholding to control tesseract thresholding where available 
Also add missing test for --tesseract-oem
 2021-12-06 15:38:14 -08:00
James R. Barlow cfe2bb25ba Merge commit 'cd49e70154f82f54bf74fc5bb2586fe7e0358971' into release/v13 2021-11-15 00:33:34 -08:00
Tristan PorteriesandGitHub cd49e70154 ghostscript: force interpolation when rendering (#855) 
Specifying option --oversample tends to introduce upsampling in rendering
by rasterizing page to an higher DPI.

This upsampling improves OCR results, but a correct choice of interpolation
method can increase even more the OCR quality.

Ghostscript seems to use a nearest interpolation as default choice for pdf.
This method doesn't average new introduced pixels with original pixels
resulting in an almost similar image but with more pixels.

Providing -dInterpolateControl=-1 force switching interpolation on.

In this commit the above option is passed to all ghostscript rendering
calls.

After testing, rendering a page at same DPI with interpolation
enabled does not introduce significant time overhead.

time (repeat 40 gs -dQUIET -dSAFER -dBATCH -dNOPAUSE -sDEVICE=png16m \
	-dFirstPage=1 -dLastPage=1 -r100.000000x100.000000 \
	-dInterpolateControl=-1 -o /dev/null -dAutoRotatePages=/None -f pzII.pdf)
7,66s user 0,33s system 99% cpu 8,012 total

time (repeat 40 gs -dQUIET -dSAFER -dBATCH -dNOPAUSE -sDEVICE=png16m \
	-dFirstPage=1 -dLastPage=1 -r100.000000x100.000000 \
        -o /dev/null -dAutoRotatePages=/None -f pzII.pdf)
7,42s user 0,39s system 99% cpu 7,808 total

Ghostscript interpolation control reference:
https://www.ghostscript.com/doc/current/Use.htm
 2021-11-15 00:32:58 -08:00
James R. Barlow 7ce1692eef windows: default version to '0' when looking for Ghostscript 
To avoid ValueError: max() arg is an empty sequence

As suggested by @meet1919 in #833.
 2021-11-14 23:00:08 -08:00
James R. Barlow 4634b20de5 Raise max-image-mpixels again 
PDFs are quite likely to have a lot of pixels, e.g. large high resolution scans.
250 MP is a page of A0 sized paper scanned at 400 DPI,
should be enough in most cases.
 2021-11-14 15:47:39 -08:00
James R. Barlow 3810e576ff optimize: fix mypy lint 2021-11-13 14:48:00 -08:00
James R. Barlow 01c7895044 pipeline: tidy 2021-11-13 14:47:49 -08:00
James R. Barlow 7b3d7ca92a ghostscript: choco doesn't put Ghostscript on PATH anymore 
It seems that chocolately doesn't put gswin[32,64]c on PATH anymore,
so compensate.
 2021-11-13 01:18:12 -08:00
James R. Barlow e3126d2806 Adjust test to support Tesseract 5 working harder to find its files 2021-11-13 01:16:35 -08:00
James R. Barlow 6f58a14351 pdfa: remove deprecated pkg_resources based access and tests 2021-11-13 00:52:03 -08:00
James R. Barlow 7ba04267b1 Remove shims to support for old versions of pikepdf < 4 2021-11-13 00:43:20 -08:00