Thread: [KOBO] books on the device that are not recognised by calibre
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Old 06-22-2019, 01:36 PM   #4
anacreon
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Posts: 978
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Join Date: May 2012
Location: France
Device: Elipsa, Sage, Libra 2
Quote:
Originally Posted by davidfor View Post
What? I've never had calibre "close down" when transferring any number of books to my Kobo devices. I don't usually do it in big batches, but, I have done more than a 1000 in the not to distant past. Were there any error messages from calibre?

If something does go wrong, if you just restart calibre, it won't see the books that were transferred to the device in the previous session. You need to disconnect the device and let it import the books. Then calibre will see the books when you next connect.
I've often had this problem when loading a new device, and I do disconnect the device when Calibre shuts down.

Quote:
Originally Posted by davidfor View Post
Are you saying that none of the books on the device are matched to the calibre library? Or just some of them? If the latter, the most common reason I have found for the automatic matching to fails is if the book has multiple authors. You will probably need to do a manual match for these. There are other reasons, but this is the most common.

If you mean all the books, I think I'd need to see a debug log from calibre to try and guess what is going on.
The problem concerns some 100 books on a total of more than 4000.
I did try the match to library like theducks says yesterday, but probably didn't do it right.

In any case, I couldn't try again today because I had this problem when connecting (after a long time trying)

Spoiler:
calibre, version 3.44.0
ERREUR : Erreur: Erreur pendant la communication avec le périphérique

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 89, in run
File "site-packages\calibre\gui2\device.py", line 512, in _books
File "site-packages\calibre\devices\kobo\driver.py", line 1985, in books
File "site-packages\calibre\devices\usbms\driver.py", line 457, in sync_booklists
File "site-packages\calibre\devices\usbms\driver.py", line 455, in write_prefix
File "site-packages\calibre\ebooks\metadata\book\json_codec.p y", line 135, in encode_to_file
File "json\__init__.py", line 251, in dumps
File "json\encoder.py", line 210, in encode
MemoryError.

When I tried it again, after more than 6 minutes Calibre disconnected.
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