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Package containing this man page: community/calibre (version 3.7.0-1)



calibre-debug - calibre-debug
calibre-debug [options]

Various command line interfaces useful for debugging calibre. With no options, this command starts an embedded Python interpreter. You can also run the main calibre GUI, the calibre viewer and the calibre editor in debug mode.
It also contains interfaces to various bits of calibre that do not have dedicated command line tools, such as font subsetting, the e-book diff tool and so on.
You can also use calibre-debug to run standalone scripts. To do that use it like this:
calibre-debug -- --option1 --option2 file1 file2 …

Everything after the -- is passed to the script.
Whenever you pass arguments to calibre-debug that have spaces in them, enclose the arguments in quotation marks. For example: "/some path/with spaces"


Add a simple plugin (i.e. a plugin that consists of only a .py file), by specifying the path to the py file containing the plugin code.

--command, -c
Run Python code.

--debug-device-driver, -d
Debug device detection

(Un)register calibre from Windows Default Programs. --default-programs = (register|unregister)

Run the calibre diff tool. For example: calibre-debug --diff file1 file2

--edit-book, -t
Launch the calibre "Edit book" tool in debug mode.

--exec-file, -e
Run the Python code in file.

--explode-book, -x
Explode the book into the specified directory. Usage: -x file.epub output_dir Exports the book as a collection of HTML files and metadata, which you can edit using standard HTML editing tools. Works with EPUB, AZW3, HTMLZ and DOCX files.

Export all calibre data (books/settings/plugins)

--gui, -g
Run the GUI with debugging enabled. Debug output is printed to stdout and stderr.

Run the GUI with a debug console, logging to the specified path. For internal use only, use the -g option to run the GUI in debug mode

--help, -h
show this help message and exit

--implode-book, -i
Implode a previously exploded book. Usage: -i output_dir file.epub Imports the book from the files in output_dir which must have been created by a previous call to --explode-book. Be sure to specify the same file type as was used when exploding.

Import previously exported calibre data

--inspect-mobi, -m
Inspect the MOBI file(s) at the specified path(s)

Output the paths necessary to setup the calibre environment

Re-initialize the sqlite calibre database at the specified path. Useful to recover from db corruption.

--run-plugin, -r
Run a plugin that provides a command line interface. For example: calibre-debug -r "Add Books" -- file1 --option1 Everything after the -- will be passed to the plugin as arguments.

--shutdown-running-calibre, -s
Cause a running calibre instance, if any, to be shutdown. Note that if there are running jobs, they will be silently aborted, so use with care.

--subset-font, -f
Subset the specified font. Use -- after this option to pass option to the font subsetting program.

Test binary modules in build

show program's version number and exit

--viewer, -w
Run the E-book viewer in debug mode


Kovid Goyal


Kovid Goyal
أغسطس 25, 2017 3.7.0