Bug 370390

Summary:	No thumbnail creation for comic books (cbz and cbr)
Product:	[Unmaintained] kio	Reporter:	BasioMeusPuga <disgruntled.mob>
Component:	thumbnail	Assignee:	Unassigned bugs mailing-list <unassigned-bugs>
Status:	RESOLVED FIXED
Severity:	normal	CC:	massimiliano.torromeo, nate
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description BasioMeusPuga 2016-10-10 06:13:18 UTC

Dolphin no longer generates thumbnail previews for any comic book files with the standard .cbz and .cbr extensions.

dolphin is 16.08.1-1
kio is 5.26.0-2
unzip is 6.0-12
unrar is 1:5.4.5-1

Everything is on an up to date x86_64 Arch Linux install.

Reproducible: Always

Steps to Reproduce:
1. Have all the requisite binaries installed (unzip / unrar)
2. Turn on Preview in Dolphin, and check the option for Comic book previews in settings

Actual Results:  
No thumbnails are created for either .cbz OR .cbr files

Expected Results:  
New thumbnail previews for the relevant files

It bears mention that the .cbr bug has been documented here: https://bugs.kde.org/show_bug.cgi?id=341305

The .cbz bug is completely new, however.

Comment 1 Massimiliano Torromeo 2016-10-24 19:36:24 UTC

I fixed this on my system by adding the mime type "application/vnd.comicbook+zip" to the list associated with the comicbookthumbnail service.

Append it to the "MimeType" list in "/usr/share/kservices5/comicbookthumbnail.desktop" and run "kbuildsycoca5"

Comment 2 Massimiliano Torromeo 2016-10-24 19:39:08 UTC

Forgot to say that this only fixed the thumbnails for .cbz files.
I think the issue with .cbr archives is completely different.

Comment 3 Massimiliano Torromeo 2016-10-24 20:31:46 UTC

I also found the reason for the missing thumbnails of cbr archives and commented about it in Bug 370390

Comment 4 Massimiliano Torromeo 2016-10-24 20:32:34 UTC

Sorry, wrong reference.
It's Bug 367626

Comment 5 Massimiliano Torromeo 2016-10-24 21:31:43 UTC

I just noticed that a fix has been committed already 3 days ago.

Comment 6 BasioMeusPuga 2016-10-25 04:08:10 UTC

I can confirm that this works for .cbz thumbnail generation. Thank you, Massimiliano Torromeo. 

Considering how (relatively) simple this fix is, hopefully it finds its way upstream soon.