Install error on ubuntu 18.04

Comments

• sebastiaan

  May 2018

  Hi Jay,

  Some of the packages that are listed as 'not installable' are definitely available in the 18.04 repositories. This makes me think that something went wrong with the software sources in the upgrade process, and that the failure to install OpenSesame is just one symptom of that.

  I tried with pip install python-opensesame, but that command doesn't do anything. I get a lot of "requirement already satisfied" messages, but nothing is installed.

  This means that OpenSesame has already been installed with pip, and you'll probably be able to start it with .local/bin/opensesame (or some variation therefore). However, installing through the Ubuntu package manager is much easier!

  Cheers,
  Sebastiaan

  
  
  Check out SigmundAI.eu for our OpenSesame AI assistant!
  
• jay

  May 2018 edited May 2018

  Thanks, but it still doesn't work. After completely wiping out the computer and installing ubuntu 18 from scratch, I get exactly the same errors. And installing it with pip still doesn't do anything at all. It keeps saying "requirement satisfied" but there are absolutely no files/folders called "opensesame" or any variation of it.

  I don't see what can be wrong with the software sources in a fresh install, or why would it not work at all after completely refreshing the system. Is there an alternative to install it that is not via pip or the standard ubuntu way?
• sebastiaan

  May 2018 edited May 2018

  Hi Jay,

  Are you sure that you get the same error message on a fresh install? Because some of these packages are definitely in the default bionic repositories. For example python-pyqt5.qtwebkit should be installable right away; that has nothing to do with OpenSesame.

  So as a first step I would first make sure that this works. If not, then there's something wrong with your software sources, fresh install or no.

  If this does work, then add the CogSci ppa and try to install OpenSesame (some packages had indeed not yet been copied to the bionic channel):

  sudo add-apt-repository ppa:smathot/cogscinl
  sudo apt-get update
  sudo apt-get install opensesame
  

  Cheers!
  Sebastiaan

  
  
  Check out SigmundAI.eu for our OpenSesame AI assistant!
  
• jay

  May 2018

  Hi Sebastiaan, thanks again for looking into this. I realize this is probably a very specific brand of weirdness in my computer, nothing to do with opensesame itself, so I appreciate your comments.

  In any case, just as an update, in the end I did manage today to install opensesame normally from apt, with no issues at all. I really have no idea what was happening before or why does it work now, but I suspect it had something to do with pyqt4 / pyqt5 issues, since those are the only packages that I changed/reinstalled (for unrelated reasons) before succesfully installing today.
  Thanks!
• TravisSeymour

  March 2022

  I know this is an old post, but I just got the same sort of thing on Pop!_OS 21.10 (basically Ubuntu 21.10 with a bunch of gnome tweaks). After adding the repository and updating, I tried to install python3-opensesame:

  $ sudo apt install python3-opensesame
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:
  
  The following packages have unmet dependencies:
   python3-opensesame : Depends: python3-fileinspector but it is not installable
             Depends: python3-pseudorandom but it is not installable
             Depends: python3-pyqode.python but it is not installable
             Depends: python3-qdatamatrix but it is not installable
             Depends: python3-qnotifications but it is not installable
             Recommends: python3-numpy but it is not going to be installed
             Recommends: python3-imaging but it is not installable
             Recommends: expyriment but it is not installable
             Recommends: psychopy but it is not going to be installed
             Recommends: pyaudio but it is not installable
             Recommends: python3-pygaze but it is not going to be installed
             Recommends: python3-shapely but it is not going to be installed
             Recommends: python3-pyflakes but it is not going to be installed
             Recommends: python3-pygame but it is not going to be installed
             Recommends: python3-opensesame-extension-osweb but it is not going to be installed
             Recommends: python3-opensesame-extension-osf but it is not installable
             Recommends: python3-opensesame-plugin-psychopy but it is not installable
  E: Unable to correct problems, you have held broken packages.
  

  
  
• sebastiaan

  March 2022

  Hi @TravisSeymour ,

  Thanks for pointing this out. Some of the packages hadn't been copied to the 21.10 (impish) release yet. I just copied them and they should be available shortly though. (You can also install from the rapunzel ppa, which has prerelease packages.)

  sudo add-apt-repository ppa:smathot/rapunzel
  

  — Sebastiaan

  
  
  Check out SigmundAI.eu for our OpenSesame AI assistant!