GNU bug report logs - #43249
Resolve Calibre run-time dependency

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Prafulla Giri <pratheblackdiamond <at> gmail.com>
Subject: bug#43249: closed (Re: bug#43151: Resolve Calibre run-time
 dependency)
Date: Tue, 08 Sep 2020 20:13:03 +0000

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Your bug report

#43249: Resolve Calibre run-time dependency

which was filed against the guix-patches package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 43249 <at> debbugs.gnu.org.

-- 
43249: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=43249
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Andreas Enge <andreas <at> enge.fr>
To: Brendan Tildesley <mail <at> brendan.scot>
Cc: 42885 <at> debbugs.gnu.org, 43249-done <at> debbugs.gnu.org,
 Prafulla Giri <pratheblackdiamond <at> gmail.com>, 43151-done <at> debbugs.gnu.org
Subject: Re: bug#43151: Resolve Calibre run-time dependency
Date: Tue, 8 Sep 2020 22:11:44 +0200

Hello,

On Mon, Sep 07, 2020 at 06:15:15PM +1000, Brendan Tildesley wrote:
> Your patch also works I think but it will wrap the programs twice, so
> you will get calibre, .calibre-real, and ..calibre-real-real, etc for
> every program, which seems ugly. My patch reproduces the same PYTHONPATH
> that is set in python-build-system in addition to wrapping PYTHONPATH
> (unless I made a mistake), although at the cost of code duplication. I
> leave it to you and who ever is reviewing this to decide which way is
> more correct and push one, haha.

thanks to both of your for your patches! I just pushed Brendan's, which
wraps only once at the price of copy-pasting from another package. I confirm
that it works, also to click on an epub file from within calibre. Closing
the two bugs asking about qtwebengine.

Concerning the update, is mathjax a required input now, or could we just
leave it out and update nevertheless?

Andreas

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From: Prafulla Giri <pratheblackdiamond <at> gmail.com>
To: guix-patches <at> gnu.org
Subject: Resolve Calibre run-time dependency
Date: Mon, 7 Sep 2020 00:17:23 +0545

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Esteemed maintainers,

Currently, Calibre can't open .epub files unless `qtwebengine` package is
also available in one's $GUIX_PROFILE. Neither can the stand-alone
`ebook-viewer` program supplied with Calibre. It exits with the complaint:
"Could not find QtWebEngineProcess".

Attached is a patch to fix the issue. QtWebEngineProcess is now made
available to all Calibre binaries via QTWEBENGINE_PATH set during a new
'wrap-program phase introduced with the patch.

Thank you

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[0001-gnu-calibre-make-QtWebEngineProcess-available-during.patch (text/x-patch, attachment)]

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