Automatic routine when sending book to device (Kobo)

Doonge · 11-14-2014, 10:31 AM

Hello, new to Calibre programmation.

I'd like to have some help starting (where to look at).

I'd like to clean and structure some of my books, but I typically use css rules that aren't supported by ebook readers (css pseudo elements like :first-letter, :first-element). It means that I'd need a routine that scans the css rules, and creates the pseudo element within the HTML structure when books are sent to a device (my Kobo) which doesn't support pseudo elements.

- when I manually edit a book, does that edit the file contained in the Calibre Library folder, or does that edit a diff file? (I might have dreamed, but I noticed my changes weren't always saved in the .epub files).

- when I send a book to a device, what are the automatic edit routines that are made by Calibre? (so I don't do them twice)

- And how to add one?

Thanks for your attention and your time.

itimpi · 11-14-2014, 11:36 AM

Quote:

Originally Posted by Doonge

H- when I send a book to a device, what are the automatic edit routines that are made by Calibre? (so I don't do them twice)

There is no editing of content that takes place at this stage. What IS updated is the metadata and (if it can be identified) the cover.

Doonge · 11-14-2014, 07:18 PM

Ok so there's a metadata edit routine.

Any lead as to where to look in order to add another routine next to it?

Thanks a bunch.

davidfor · 11-14-2014, 07:50 PM

Most of what you want exists, or at least code you can use as examples.

The Modify ePub plugin does lots of modifications to the book code. You should find examples of what you want in it.

And as you have a Kobo device, the drivers almost support what you want. You can subclass the built-in KoboTouch driver and add the function you need. This already has a method to make some changes to the CSS. But, the KoboTouchExtended driver is probably more what you want. It does the sort of thing you want. It modifies the book code as the book is sent to the device.

Doonge · 11-14-2014, 08:20 PM

Ok, I will start looking there, many thanks.

11-14-2014, 10:31 AM	#1
Doonge Connoisseur Posts: 80 Karma: 1184732 Join Date: Nov 2013 Device: Kobo Glo	Automatic routine when sending book to device (Kobo) Hello, new to Calibre programmation. I'd like to have some help starting (where to look at). I'd like to clean and structure some of my books, but I typically use css rules that aren't supported by ebook readers (css pseudo elements like :first-letter, :first-element). It means that I'd need a routine that scans the css rules, and creates the pseudo element within the HTML structure when books are sent to a device (my Kobo) which doesn't support pseudo elements. - when I manually edit a book, does that edit the file contained in the Calibre Library folder, or does that edit a diff file? (I might have dreamed, but I noticed my changes weren't always saved in the .epub files). - when I send a book to a device, what are the automatic edit routines that are made by Calibre? (so I don't do them twice) - And how to add one? Thanks for your attention and your time.

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11-14-2014, 07:18 PM	#3
Doonge Connoisseur Posts: 80 Karma: 1184732 Join Date: Nov 2013 Device: Kobo Glo	Ok so there's a metadata edit routine. Any lead as to where to look in order to add another routine next to it? Thanks a bunch.

11-14-2014, 07:50 PM	#4
davidfor Grand Sorcerer Posts: 24,905 Karma: 47303824 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	Most of what you want exists, or at least code you can use as examples. The Modify ePub plugin does lots of modifications to the book code. You should find examples of what you want in it. And as you have a Kobo device, the drivers almost support what you want. You can subclass the built-in KoboTouch driver and add the function you need. This already has a method to make some changes to the CSS. But, the KoboTouchExtended driver is probably more what you want. It does the sort of thing you want. It modifies the book code as the book is sent to the device.

11-14-2014, 08:20 PM	#5
Doonge Connoisseur Posts: 80 Karma: 1184732 Join Date: Nov 2013 Device: Kobo Glo	Ok, I will start looking there, many thanks.

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