mintuptdate no longer starts after switch to mate

[netzwanze]

Hi,

i switched to mate desktop. And removed all cinnamon packages. Now mintuptdate no longer:

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/usr/lib/linuxmint/mintUpdate/mintUpdate.py:1274: DeprecationWarning: Gdk.threads_init is deprecated
  Gdk.threads_init()
/usr/lib/linuxmint/mintUpdate/mintUpdate.py:1422: DeprecationWarning: Gtk.ImageMenuItem.set_image is deprecated
  menuItem3.set_image(image)
/usr/lib/linuxmint/mintUpdate/mintUpdate.py:722: DeprecationWarning: Gdk.threads_enter is deprecated
  Gdk.threads_enter()
/usr/lib/linuxmint/mintUpdate/mintUpdate.py:729: DeprecationWarning: Gdk.threads_leave is deprecated
  Gdk.threads_leave()
module 'cinnamon' has no attribute 'UpdateManager'
<class 'AttributeError'>
-- Exception occurred in the refresh thread:
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintUpdate/mintUpdate.py", line 925, in run
    for update in self.application.cinnamon_updater.get_updates():
AttributeError: 'MintUpdate' object has no attribute 'cinnamon_updater'

How resolve this problem?

Thanks

[Moonstone Man]

i switched to mate desktop. And removed all cinnamon packages. Now mintuptdate no longer:

Bad idea. Really bad.

How resolve this problem?

Backup your important files and clean install because there's no telling what damage you've done.

[netzwanze]

Yes i know not realy clever but i think it is not the big problem. I think by solving the problem i can also learn more.

[Moonstone Man]

Yes i know not realy clever but i think it is not the big problem.

I repeat: There's no telling what damage you've done.

I think by solving the problem i can also learn more.

Ok. Good luck.

[Pierre]

you certainly can learn from what you've done there,
but randomly removing system files, can easily break stuff.

been there, done that.

eventually, it will pay to re-install, anyway.

NB: you don't have to remove an files for another Desktop Environment,
as you can safely leave them insitu, whilst exploring the New Desktop Environment.

[kelebek333]

You can try to install meta packages with following commands.

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sudo apt install --reinstall mint-meta-mate mint-common mint-meta-core

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sudo apt-get -o Dpkg::Options::="--force-overwrite" install mint-info-mate

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sudo apt purge mint-info-cinnamon

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sudo apt install --reinstall mint-info-mate

[aarrgghh]

For people in the same situation, I found myself with the same problem and (after a little hunting around), have identified the problem and a solution.

Even removing the various cinnamon packages doesn't actually remove everything cinnamon. Amongst other things, the "cinnamon" python library remains, and this interferes with mintUpdate. (When mintUpdate can see the library, it assumes it's running under a cinnamon session.)

The fix is easy - remove the python "cinnamon" library (which is useless if you are no longer running the cinnamon desktop). From a terminal session, rename the package to something that won't be found (or you could just remove it completely) - execute:

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cd /usr/lib/python3/dist-packages
sudo mv cinnamon cinnamon.OLD

[smurphos]

Odd that it should remain - /usr/lib/python3/dist-packages/cinnamon and it's contents are all children of the cinnamon package, so if that was properly removed then the directory shouldn't be present.. You are correct that mint -update try's to import this library and if it can it then sets a flag for CINNAMON_SUPPORT.

It is a bit of an art of apt surgery to install an alternative environment, and remove an existing - not for the faint hearted, and not for those allergic to examining in detail and understanding the output of remove commands before hitting the Y button. During the process some packages will definitely get removed that need to be reinstalled before the user reboots or logs out.