PDF Thumbnail generation, OCR indexing and extra views integrated with plone.app.async
Project description
Introduction
This package provides some nice integrations for PDF heavy web sites.
Generates thumbnails from PDF
Adds folder view for pdfs so it can use the generated thumbnail
Adds OCR for PDF indexing
Everything configurable so you can choose to not use thumbnail gen or OCR
Ability to create searchable PDFs with HOCR
use the @@async-monitor url to monitor asynchronous jobs that have yet to run
OCR
OCR requires Ghostscript to be installed and Tesseract. Just you package management to install these packages:
# sudo apt-get install ghostscript tesseract-ocr
This will install tessact 2 not tesseract 3.
Searchable PDFs
Requires svn checkout of tesseract version 3.01 or 3.00 with the hocr configuration in place. Take a look at this thread to find out how to configure hocr http://ubuntuforums.org/showthread.php?t=1647350
In addition, you’ll need exactimage and pdftk installed
# sudo apt-get install exactimage pdftk libtiff-tools
To not use the latest tesseract version to will have to add this in your instances declaration:
environment-vars += AUTHORIZE_OLD_TESSERACT_VERSION true
Plone 3
Requires hashlib
Extra
You can convert all at once by calling the url @@queue-up-all.
Changelog
0.7b6 ~ 2012-04-20
- -fix uninstall
[vangheem]
0.7b5 ~ 2012-04-19
do not run conversion if documentviewer is installed [vangheem]
add better uninstall support [vangheem]
0.7b4 ~ 2012-04-09
fix image url for album view. [vangheem]
0.7b3 ~ 2012-04-05
fix content type spec for thumbnail response [vangheem]
display image thumb urls in in album view [vangheem]
0.7b2 ~ 2011-04-12
more checks on reading files [vangheem]
provide button to manually index document [vangheem]
add ability to split pdf up into multiple PDFs [vangheem]
0.7b1 ~ 2011-01-06
fixes for quality and size issues [vangheem]
0.6b2 ~ 2011-01-04
fix async monitor view to work with plone.app.async = 1.0 It changed the order of some args in the job. [vangheem]
0.6b1 ~ 2011-01-04
added ability to make PDFs searchable and make it work seamlessly if wc.pageturner is installed so flex paper is created with the searchable PDF version.
0.5b5 ~ 2010-12-07
did not conditionally import plone.app.async
0.5b4 ~ 2010-12-06
better info on async monitor
only reindex searchabletext when doing OCR so the modification date on the object does not get set.
make sure to catch exceptions so it doesn’t leave around files after a bad conversion
add colorbox for pdf folder view
0.5b3 ~ 2010-12-02
add ability to queue up all pdf files
0.5b2 - 2010-12-02
fix async monitor view
0.5b1 - 2010-12-02
Initial release
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