Mnemysone will not launch under Ubuntu 18.04

[mrja...@gmail.com]

Greetings all.

Last week I performed an upgrade of my Ubuntu OS from 16.04 LTS to 18.04 LTS.

Mnemosyne simple will not launch.

I'd like to do a complete uninstall / re-install, however I do not know how to do this, or whether it's necessary.

Has anyone else had this problem?

MR Jay

[Peter Bienstman]

Hi,

 

What is the error you got?

 

Did you use the prepackaged 2.6 from Ubuntu, or install from Mnemosyne’s own source distribution?

 

I’d suggest trying the official package first.

 

Cheers,

 

Peter

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[mrja...@gmail.com]

On Monday, October 15, 2018 at 5:12:35 AM UTC-4, Peter Bienstman wrote:

Hi,

Greetings again....

 

What is the error you got?

 

Please forward the following info to the developers:

Traceback (innermost last):
  File "/usr/local/bin/mnemosyne", line 4, in <module>
    __import__('pkg_resources').run_script('Mnemosyne==2.6', 'mnemosyne')
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 658, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1438, in run_script
    exec(code, namespace, namespace)
  File "/usr/local/lib/python3.6/dist-packages/Mnemosyne-2.6-py3.6.egg/EGG-INFO/scripts/mnemosyne", line 145, in <module>
    from PyQt5 import QtWebEngineWidgets  # Needs to happen first for some reason.
 ModuleNotFoundError: No module named 'PyQt5'

 

 

Did you use the prepackaged 2.6 from Ubuntu, or install from Mnemosyne’s own source distribution?

 

I downloaded the version (2.6.1) from the Mnemosyne-proj web site and installed it under Ununtu 16.04 LTS. It ran well and used it regularly. As per my original post, it would not launch after I performed the upgrade to Ubuntu 18.04 LTS.

Although, in part, the error message above indicates "No module named 'PyQt5'", I can 'locate' the PyQt5 the package in " /usr/local/lib/python3.5/dist-packages/PyQt5/uic/..."

It's just I don't have enough background knowledge / skill to know whether this is correct, or to debug the error messages.

 

I’d suggest trying the official package first.

To that end, How does one properly and cleanly uninstall Mnemosyne and the other dependencies?

 

Cheers

Kevin J.

 

Cheers,

 

Peter

 

From: mnemosyne-...@googlegroups.com <mnemosyne-...@googlegroups.com> On Behalf Of mrja...@gmail.com
Sent: 15 October 2018 03:26
To: mnemosyne-proj-users <mnemosyne-...@googlegroups.com>
Subject: [mnemosyne-proj-users] Mnemysone will not launch under Ubuntu 18.04

 

Greetings all.

 

Last week I performed an upgrade of my Ubuntu OS from 16.04 LTS to 18.04 LTS.

Mnemosyne simple will not launch.

I'd like to do a complete uninstall / re-install, however I do not know how to do this, or whether it's necessary.

Has anyone else had this problem?

MR Jay

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[mrja...@gmail.com]

Greetings

[Peter Bienstman]

Hi,

I don't have an Ubuntu 18.04 system myself, but I suggest you try and reinstall PyQt5. Probably something is amiss there.

Cheers,

Peter

---

From: mrja...@gmail.com
Sent: Tuesday, 16 October 2018 18:46
To: mnemosyne-proj-users
Subject: Re: [mnemosyne-proj-users] Mnemysone will not launch under Ubuntu 18.04

To unsubscribe from this group and stop receiving emails from it, send an email to mnemosyne-proj-u...@googlegroups.com.
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[mrja...@gmail.com]

On Tuesday, October 16, 2018 at 1:07:38 PM UTC-4, Peter Bienstman wrote:

Hi,

I don't have an Ubuntu 18.04 system myself, but I suggest you try and reinstall PyQt5. Probably something is amiss there.

UPDATE: Not only did I have to manually reinstall PyQt5, but also Matplotlib, and cheroot. Mnemosyne seems to be running fine now. Thanks.

HOWEVER I'd stil like to know how to UN-install Mnemosyne from the CLI the next time there is an upgrade, so I can get a fresh install.

Thanks

Kevin J.