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Old 07-23-2014, 06:30 PM   #1
TheWizard
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[GUI Plugin] DjVuMaker - converts Postscript books to Djvu

Hi all, I have written a plugin for converting scanned PDFs from google books and the like to DJVU. You can use the Convert menu or have them converted automatically on import.

https://github.com/kfix/calibre_plug...aker/releases/

I personally use it to keep koreader on my Kindle fed with very big old books :-)

Only tested on OSX, but linux and windows are theoretically possible if someone can write a build & install script for the conversion apps.

YOU MUST GO TO github to read the install procedure and to report all issues and feature requests. The plugin requires extra software to be installed.

I am only on this thread to upload the occasional bug-fix/API update, because this CHAT FORUM is used as a Software Update Service by Calibre
Attached Files
File Type: zip djvumaker.zip (7.2 KB, 111180 views)

Last edited by TheWizard; 03-22-2015 at 04:08 AM. Reason: v1.0.2: switch to new Calibre 2.22 PDF API funcs
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Old 07-23-2014, 07:12 PM   #2
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Will this plugin work when Calibre 2.0 is released and switches from Qt4 to Qt5?
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Old 07-24-2014, 12:56 AM   #3
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I'm using it now with the Qt5 calibre beta. the plugin doesn't use PyQt directly.
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Old 01-28-2015, 01:34 AM   #4
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I'm not getting this to work in Calibre 2.15.

It shows up on the "Convert books" menu, but when I choose it, nothing seems to happen.

I used "Preferences --> Advanced --> Plugins --> Get new plugins" and then searched for "djvu" to find and install it, then used the "Restart Calbre" button.

When I repeat that sequence, it says it's status is "Not installed", and yet, the menu item shows up on "Convert books".

Am I doing something wrong?
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Old 03-22-2015, 04:03 AM   #5
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check out the jobs window (Gear icon in the lower right) after you try to convert a book. you should see a job listing for the conversion attempt and if you hit the details button, some diagnostic messages. If you have not installed the needed software, the messages will say so there.

GO TO https://github.com/kfix/calibre_plugin_djvumaker to see an example of a completed job.

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Old 03-10-2019, 05:44 AM   #6
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Is there a "deep" reason why KOReader doesn't read PostScript?
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Old 03-10-2019, 07:35 AM   #7
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Quote:
Originally Posted by Biep View Post
Is there a "deep" reason why KOReader doesn't read PostScript?
What makes you think you'll get a better answer here than in the KOReader forum

BR
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Old 01-30-2021, 07:19 AM   #8
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Exclamation Bug Report

The following error is most likely caused by Calibre switching to Python 3 from Python 2. These errors are similar to errors seen in other plugins.

calibre, version 5.10.1
ERROR: Install plugin failed: A problem occurred while installing this plugin. This plugin will now be uninstalled. Please post the error message in details below into the forum thread for this plugin and restart calibre.

Traceback (most recent call last):
File "calibre\gui2\dialogs\plugin_updater.py", line 709, in _install_clicked
File "calibre\customize\ui.py", line 472, in add_plugin
File "calibre\customize\ui.py", line 61, in load_plugin
File "calibre\customize\zipplugin.py", line 293, in load
File "importlib\__init__.py", line 127, in import_module
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "calibre\customize\zipplugin.py", line 185, in exec_module
File "calibre\customize\zipplugin.py", line 181, in get_code
File "calibre_plugins.djvumaker.__init__", line 83
prints = partial(log.prints, 1) #log.print(INFO, yaddayadda)
^
TabError: inconsistent use of tabs and spaces in indentation
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