Try the other suggested library in the error message: xcb-cursor0 . I went
through the same thing about a week ago on a different distro, and using
the alternate suggestion solved it. If that doesn't work either, run an
internet search for "fedora qt.qpa.plugin: From 6.5.0, xcb-cursor0 or
libxcb-cursor0 is needed to load the Qt xcb platform plugin." This may
surface another library name that your distro has.
On Sunday, March 17, 2024 at 3:20:17 PM UTC-4 viktor....@gmail.com wrote:
> Hello Edward, hello Thomas,
>
> tbp1...@gmail.com schrieb am Freitag, 1. März 2024 um 07:32:23 UTC-5:
>
> On Friday, March 1, 2024 at 5:33:34 AM UTC-5 Edward K. Ream wrote:
>
> My question wasn't clear. I meant to ask whether potential errors
> concerning the missing xcb-cursor0 or libxcb-cursor0 libraries are a show
> stopper.
>
> Imo, most linux users will know to run sudo apt install, so the missing
> library isn't a significant barrier to requiring PyQt6. A new FAQ entry
> might be all that is needed. Do you agree?
>
>
> A year ago I might have said it was a show-stopper. But now the error
> message from Ubuntu was clear enough that running its suggested command
> fixed the issue. In years past I had to go to the internet and wade
> through a lot of useless posts to find the right command (I've saved it in
> my workbook to make it easier to find). I do know that some non-technical
> people will read the error message and yet not know what to do, so I agree
> with a FAQ entry.
>
> BTW, Ubuntu/XUbuntu is the only distro where I've encountered this issue
> so far.
>
>
> I have encountered this problem as well, when I tried to install Leo from
> the devel-branch into a newly created Fedora 38 VM.
>
> When I try to install the mentioned libraries I receive the following
> error msg:
>
> ###
>
> [user@Test-VM1 ~]$
> [user@Test-VM1 ~]$ ./leo &
> [1] 1513
> [user@Test-VM1 ~]$ setting leoID from os.getenv('USER'): 'user'
>
> qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to
> load the Qt xcb platform plugin.
> qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even
> though it was found.
> This application failed to start because no Qt platform plugin could
> be initialized. Reinstalling the application may fix this problem.
>
> Available platform plugins are: linuxfb, vnc, minimal, wayland-egl,
> eglfs, vkkhrdisplay, offscreen, wayland, xcb, minimalegl.
>
> ./leo: line 2: 1517 Aborted (core dumped) python
> ~/leo-editor/launchLeo.py $1
>
> [1]+ Exit 134 ./leo
> [user@Test-VM1 ~]$
> [user@fedora-38-minimal-vr ~]$ sudo dnf install libxcb-cursor0
> Last metadata expiration check: 2:19:22 ago on Sun Mar 17 12:29:58
> 2024.
> No match for argument: libxcb-cursor0
> Error: Unable to find a match: libxcb-cursor0
> [user@fedora-38-minimal-vr ~]$
> [user@fedora-38-minimal-vr ~]$ sudo dnf install xcb-cursor0
> Last metadata expiration check: 2:19:56 ago on Sun Mar 17 12:29:58
> 2024.
> No match for argument: xcb-cursor0
> Error: Unable to find a match: xcb-cursor0
> [user@fedora-38-minimal-vr ~]$
>
> ###
>
> What am I missing ?
>
> With kind regards,
>
> Viktor
>
>
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