[SOLVED] Focal upgrade broke Clibre

[Tony Arnold]

Hi Tommy,

On Fri, 2020-05-22 at 18:08 +0000, Tony Arnold wrote:
> Hi Tommy,
> 
> Thanks for your comments. Sorry for top posting but I'm using my
> phone!
> 
> Your comment about dependencies got me thinking. It could be to with
> my Python environment. I'll check later but may have a version sip or
> some such installed locally.

So, I deleted my pyqt5 and pyqt5-sip from my local user account, and
Calibre started up with no problem.

Thanks for your help.

Regards,
Tony.

> -------- Original message --------
> From: Tommy Trussell <tommy.trussell at gmail.com>
> Date: 22/05/2020 18:38 (GMT+00:00)
> To: "Ubuntu user technical support, not for general discussions" <
> ubuntu-users at lists.ubuntu.com>
> Subject: Re: Focal upgrade broke Clibre
> 
> My answer appears below
> 
> On Thu, May 21, 2020 at 12:28 PM Tony Arnold <
> tony.arnold at manchester.ac.uk> wrote:
> > After upgrading to Focal, I can no long run Calibre. Running from
> > the terminal gives:
> > 
> > Traceback (most recent call last):
> >   File "/usr/bin/calibre", line 20, in <module>
> >     sys.exit(calibre())
> >   File "/usr/lib/calibre/calibre/gui_launch.py", line 73, in
> > calibre
> >     main(args)
> >   File "/usr/lib/calibre/calibre/gui2/main.py", line 529, in main
> >     app, opts, args = init_qt(args)
> >   File "/usr/lib/calibre/calibre/gui2/main.py", line 114, in
> > init_qt
> >     app = Application(args, override_program_name=override,
> > windows_app_uid=MAIN_APP_UID)
> >   File "/usr/lib/calibre/calibre/gui2/__init__.py", line 875, in
> > __init__
> >     raise RuntimeError('Failed to load the progress_indicator C
> > extension, with error: {}'.format(pi_err))
> > RuntimeError: Failed to load the progress_indicator C extension,
> > with error: PyCapsule_GetPointer called with incorrect name
> > 
> > I've google'd this and only found a German discussion group whose
> > best suggestion is to download Calibre rather than use the repo
> > version. Indeed this way is recommended on the Claibre web site.
> > 
> > Seems very non Linuxesk to do it that way so was wondering if
> > anyone else had seen this or got any other solutions?
> > 
> > 
> 
> I don't regularly use Calibre but I was curious about your issue and
> found that I had it installed. It launches and seems to run properly
> on my recently-upgraded Focal system.
> 
> To me that error message you are seeing probably indicates a missing
> or mis-configured dependency. I found a RedHat bug report from 2011
> where someone had that same error in Calibre and the solution was to
> update their system.
> 
> What happens when you run this?
> 
> $ sudo apt update ; sudo apt upgrade
> 
> If you see ANY errors running that line, you'll want to follow up and
> fix the errors.
> 
> FURTHER THOUGHTS
> 
> I looked at the package on 
> https://launchpad.net/ubuntu/+source/calibre
> I also checked https://tracker.debian.org/pkg/calibre
> 
> The version available in Focal is the Debian patched version that was
> available when Focal froze in March, and you can see from the
> listings above that Calibre has been updated several times since
> then. SO there is some active development going on in Calibre, and if
> you need a particular bug fixed you might want to either backport the
> latest Ubuntu package, or remove the distribution version and
> download and install the latest on your system. At that point you'll
> have to manually download and update the package.
> 
> Alternatively you can help get the more recent version backported
> into Focal. As an active Calibre user, you're in a good place to help
> get that started, especially if you find that the version in Focal is
> unacceptably buggy and unbefitting of the LTS release. (Remember this
> is the version of Calibre many users of Ubuntu 20.04 LTS "Focal
> Fossa" AND derivative distros will see for the next two+ years.)
> 
> But a backport won't happen unless you or someone else initiates the
> backport process. 
> 
> 
-- 
Tony Arnold MBCS, CITP | Senior IT Security Analyst | Directorate of IT Services | G64, Kilburn Building | The University of Manchester | Manchester M13 9PL | T: +44 161 275 6093 | M: +44 773 330 0039
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