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106 Commits
Author SHA1 Message Date
James R. Barlow 5ed05e08b1 Fix "no languages" test and misuse of os.environ 2018-11-09 01:57:11 -08:00
Stefan Weilandjbarlow83 a873278c2a Fix some recommendations from LGTM (#309) 
* Fix unreachable code

This fixes an issue reported by LGTM.

Signed-off-by: Stefan Weil <sw@weilnetz.de>

* Remove unused imports

This fixes several recommendations from LGTM.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2018-10-28 13:59:58 -07:00
James R. Barlow fa48205bb8 Add feature to remove vector graphics objects 2018-10-18 21:46:08 -07:00
James R. Barlow 5c229d48d5 optimize: Reorganize so JBIG2 can be performed on images reduced to 1bpp 
Closes #297
 2018-10-04 11:53:11 -07:00
James R. Barlow fb8b161f6c Fix suppression of tesseract config error messages 2018-10-03 17:39:50 -07:00
James R. Barlow 6f554c6ae8 tesseract: account for behavior changes when params are missing 
Tesseract 4.0-rc1 now accepts invalid parameters in config and
won't return an error anymore. We prefer to raise an error if this
occurs.

See: https://github.com/tesseract-ocr/tesseract/commit/741ea00d7059d8ff7c55797ffc525a461d7f3ced
 2018-10-03 15:11:34 -07:00
James R. Barlow 72156b5653 Degrade more gracefully when --optimize is set but JBIG2 is not present 2018-10-03 14:24:20 -07:00
James R. Barlow 4b27feca98 optimize: Disable JBIG2 lossy mode, use lossless instead 2018-10-01 12:28:54 -07:00
James R. Barlow 137a6e45f5 ghostscript: fix missing fspath for py3.5 2018-09-19 22:57:20 -07:00
James R. Barlow 4615cf2f1e First cut at improving text extraction speed 2018-09-16 23:34:18 -07:00
James R. Barlow 17a3fa671c ghostscript: API docs update 2018-09-14 23:51:52 -07:00
James R. Barlow 7392115507 Blacklist Ghostscript 9.24 due to regressions 
As per issue #291. Forced push to remove a copyrighted test file that was
accidentally included.
 2018-09-14 20:41:13 -07:00
James R. Barlow 3127a73822 Ghostscript: no need to specify ProcessColorModel when ColorConversionStrategy 2018-09-11 11:56:05 -07:00
James R. Barlow 069ee6c91f ghostscript: fix for 9.24 having jpeg passthrough available 2018-09-10 23:09:51 -07:00
James R. Barlow bb50501369 ghostscript: never use autorotatepages 
It looks like from the gs manual that this parameter is only respected for
vector devices so it never had any effect, but to stay on the safe side,
which it off.
 2018-08-03 00:44:34 -07:00
James R. Barlow 47885f4230 Remove initial qpdf.repair 
Since pikepdf is doing the work the initial repair takes time and gives
little benefit.

It turns out to not be worthwhile to
save the results of PdfInfo parsing,
since the time to save this seems to exceed the costs of recalculating
it since the "weave" code. At least
for small files.
 2018-07-03 16:50:05 -07:00
James R. Barlow 921767e82e ocrmypdf.exec: trap FileNotFoundError too 2018-07-03 00:05:49 -07:00
James R. Barlow b7ff821fa3 Fix recent versions of tesseract not registering as textonly_pdf 
This change happened sometime after the 4.0.0-beta1 release in
Ubuntu 18.04
 2018-06-23 02:55:58 -07:00
James R. Barlow 6333ec928c Cleanup some cases where log was lazy and should be 2018-06-23 01:50:27 -07:00
James R. Barlow 76532649b8 tesseract.get_orientation: removed unused language parameter 2018-06-23 01:48:24 -07:00
James R. Barlow b0dbaeafc5 Cleanup unused imports 2018-06-23 01:47:53 -07:00
James R. Barlow 94150f414a Remove qpdf.merge 
We no longer need to merge pages this way. Much of the functionality
was there to implement page splitting without hitting ulimit which
will be fixed in qpdf > 8.0.2. The tests were expensive to run.

Also remove pytest-timeout since it breaks the Linux build.
 2018-06-23 00:45:03 -07:00
James R. Barlow faaa4a1def Ghostscript, PDF/A: support pathlib 2018-06-22 17:45:10 -07:00
James R. Barlow 8c84c515b6 Use Ghostscript for text region detection 
Ghostscript txtwrite seems to be quite effective at the task.

Eliminates dependency on fitz
 2018-06-13 00:58:09 -07:00
James R. Barlow a13c398c06 Suppress some spurious tesseract errors 2018-06-05 23:26:28 -07:00
James R. Barlow 9608b22d34 Remove all uses of PyPDF2 except PDF/A check 
Leave PDF/A check alone for now, since pikepdf has no equivalent.
 2018-05-26 02:07:18 -07:00
James R. Barlow 93b858afd1 Remove qpdf appimage support for now, check for pngquant 2018-05-18 16:24:33 -07:00
James R. Barlow d5fb275e9e Travis: hack in qpdf appimage version 
qpdf from appimage does not report its version with --version if renamed
or accessed via symlink. Use an environment variable to supply it
where needed.
 2018-05-15 17:45:58 -07:00
James R. Barlow 4809627d8a Fix jbig2enc name 2018-05-11 17:51:08 -07:00
James R. Barlow d9bbb80a6b Don't try to run jbig2 when not available 2018-05-11 12:42:00 -07:00
James R. Barlow 72253d09fa Add arguments to control optimization 2018-05-10 22:23:24 -07:00
James R. Barlow 3026d86a9e Remove jbig2enc.py 2018-05-10 21:15:07 -07:00
James R. Barlow 0661a7edc3 Merge optimize 2018-05-10 21:05:32 -07:00
James R. Barlow d787e1ea0f ghostscript.py not saved in last commit 
Given importance of last one, confirmed that when the file is saved all tests pass too.
Passing is invariant with this change.
 2018-05-01 22:59:22 -07:00
James R. Barlow b5d7e9cbb0 Fix all issues with rotations 
All tests now pass
 2018-05-01 22:50:20 -07:00
James R. Barlow f3b6d9dcdf Fix a comment about Tesseract behavior in certain versions 2018-05-01 21:31:09 -07:00
James R. Barlow 37677de884 Fix regressions: pdfa.ps not used, PDF/A failures, handling of text layers with no font 2018-05-01 15:51:46 -07:00
James R. Barlow 54150a14e9 Further elimination of tesseract renderer special casing 
We don't need to keep a "skip page" around anymore since
skipping means just not grafting on the text layer.
 2018-05-01 13:36:20 -07:00
James R. Barlow 88ff091cce Unify tesseract and sandwich renderer paths 
Since the new weaving method copies the font and content
stream from the Tesseract PDF, it doesn't matter if Tesseract
happens to have an image or not.
If Tesseract is text-only capable we use that feature for efficiency,
but ignore the image either way.
 2018-05-01 13:24:20 -07:00
James R. Barlow e7286f6129 Unsplit now works with multipage, --force-ocr 2018-04-30 14:46:20 -07:00
James R. Barlow 9e89b75186 Merge v6.1.5 2018-04-17 22:51:13 -07:00
James R. Barlow 0b10db91be Fix regression: Disable Ghostscript JPEG passthrough entirely 2018-04-17 17:00:24 -07:00
James R. Barlow 076363d78e Disable JPEG passthrough for Ghostscript 9.23 
Seems to corrupt JPEGs involved in image masks?
 2018-04-17 16:31:03 -07:00
James R. Barlow a009ca7597 Disable JPEG passthrough for Ghostscript 9.23 
Seems to corrupt JPEGs involved in image masks?
 2018-04-17 13:54:34 -07:00
James R. Barlow f755fb76ee Try pngquant 2018-04-14 01:37:14 -07:00
James R. Barlow 136da74bfa Update branch with v6.1.4 2018-04-13 12:57:21 -07:00
James R. Barlow 7fc897e6dc Fix NameError 'ghostscript' 2018-04-12 21:24:05 -07:00
James R. Barlow 9b731d63b8 Set Ghostscript -sColorConversionStrategy the way old/new versions expect 2018-04-12 16:28:48 -07:00
James R. Barlow 10aa59f674 v6.1.4 fix test suite regression with Ghostscript 9.23 2018-04-12 15:16:54 -07:00
James R. Barlow c95db246d4 v6.1.4 merge 2018-04-11 15:58:00 -07:00