Enhancement Proposal: Send to Kindle large file support

maxdj · 02-10-2022, 10:17 PM

The email-based implementation of send-to-kindle limits files to 25mb, which I've found to be prohibitive.

Amazon has an API to send larger files to kindle devices, for example via their Send to Kindle for Mac product. I've created an open-source python client for the API here: https://github.com/maxdjohnson/stkclient#readme

Would you be interested in integrating it into Calibre as an alternative or replacement for the email-based approach?

I've explored implementing it as a plugin, but I wasn't able to have the upload trigger automatically after news is downloaded. In any case, I figure it would be better as a core feature, as the email based implementation is today.

kovidgoyal · 02-11-2022, 01:48 AM

IIRC the email limit is 50MB these days and I'm not a fan of OAuth, it doesnt work in the background since it requires user interaction every time auth is needed. Not to mention that email works with all services, this API with only Kindle.

You can send on news download from a plugin like this:

Code:

self.orig_email_news = self.gui.email_news
self.gui.email_news = self.news_downloaded

def news_downloaded(self, book_id):
    ... do whatever you want...
    self.orig_email_news(book_id)

slm · 02-11-2022, 11:33 AM

I, for one, would be extremely interested in this either as a plug in or as a stand-alone program, particularly if it could be run on other platforms.

It isn't so much the size limit that bothers me as the problems of Amazon verifying some email addresses and some smpt provides changing their rules from time to time.

Is there a reference for the send to Kindle API?

02-10-2022, 10:17 PM	#1
maxdj Junior Member Posts: 1 Karma: 10 Join Date: Feb 2022 Device: Kindle Paperwhite	Enhancement Proposal: Send to Kindle large file support The email-based implementation of send-to-kindle limits files to 25mb, which I've found to be prohibitive. Amazon has an API to send larger files to kindle devices, for example via their Send to Kindle for Mac product. I've created an open-source python client for the API here: https://github.com/maxdjohnson/stkclient#readme Would you be interested in integrating it into Calibre as an alternative or replacement for the email-based approach? I've explored implementing it as a plugin, but I wasn't able to have the upload trigger automatically after news is downloaded. In any case, I figure it would be better as a core feature, as the email based implementation is today.

02-11-2022, 01:48 AM	#2
kovidgoyal creator of calibre Posts: 45,200 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	IIRC the email limit is 50MB these days and I'm not a fan of OAuth, it doesnt work in the background since it requires user interaction every time auth is needed. Not to mention that email works with all services, this API with only Kindle. You can send on news download from a plugin like this: Code: self.orig_email_news = self.gui.email_news self.gui.email_news = self.news_downloaded def news_downloaded(self, book_id): ... do whatever you want... self.orig_email_news(book_id)

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02-11-2022, 11:33 AM	#3
slm Fool Posts: 462 Karma: 4113712 Join Date: Feb 2003 Device: Kindle: Voyage,PW1,KOA, Kobo: Clara Colour, Nook GLP, Pocketbook verse	I, for one, would be extremely interested in this either as a plug in or as a stand-alone program, particularly if it could be run on other platforms. It isn't so much the size limit that bothers me as the problems of Amazon verifying some email addresses and some smpt provides changing their rules from time to time. Is there a reference for the send to Kindle API?