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Test-drive OpenSesame 2.8.0!

edited February 2014 in OpenSesame

The next major release of OpenSesame will be 2.8.0 Gutsy Gibson, and is available for your test-driving pleasure from here:

OpenSesame 2.8.0 comes with considerable new functionality, but is entirely backwards compatible with the 0.27 series!

From 0.27.4 to 2.8.0: New versioning scheme

The reason for jumping from version 0.27.4 straight to 2.8.0 is to adopt a more consistent versioning scheme, called semantic versioning. In semantic versioning, increasing the MAJOR version (X.-.-) indicates changes that break backwards compatibility, increasing the MINOR version (-.X.-) indicates new functionality, and increasing the PATCH version (-.-.X) indicates bug fixes.

Multiprocess runner

An important new functionality is the multiprocess runner, which allows you to execute your experiment in a different process. This should be much more robust to crashes than the old in-process way. For now, the in-process runner is still the default, but this will change in future versions, once we are sure that the multiprocess runner works well across a wide range of systems.

You can select the multiprocess runner under preferences:

image

Improved support for non-Latin alphabets

A lot of effort has again gone into improving support for non-Latin alphabets. A couple of new default fonts have been added, and you can now use Arabic, Hebrew, Hindi, Japanese, Chinese, Farsi, and Korean straight out of the box.

image

You can even enable support for bi-directional languages, i.e. languages that are (partly) written from right to left, such as Hebrew:

image

Don't hesitate to leave feedback if you use non-Latin alphabets. For obvious reasons, it is difficult for us to ascertain whether text is rendered correctly in all languages.

Improved text-editor component

OpenSesame's text-editor component has been split off into a separate project, called QProgEdit. QProgEdit is considerably more advanced than the old text-editor component, and, among other things, supports themes. This means that I can finally use my favorite dark theme (based on Solarized) in OpenSesame!

image

Full changelog

  • New functionality and improvements

    • Add runner functionality
    • Improved exception handling
    • Migrate to QProgEdit editor component
    • Updated offline help pages
    • Improve support for non-Latin alphabets (#211)
    • Add correct-response option to touch_response plug-in (#214)
  • Bugs fixed

    • Line wrapping causes double spaces (#203)
    • Keywords to decode() break compatibility with Python < 2.7 (#201)
    • Respect focus=no in form_base (#208)
    • Fix ugly exception on Escape press in joystick plug-in (#162)
  • Debian packaging

    • Remove large template files

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Comments

  • edited December 2013

    Great! Can't wait till this one is released. I did discover a little bug: In my version 2.8.0~pre7 (Win 7) I get squares before every line break (CR LF) in a text display item, as if it doesn't recognize the new line character.

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  • edited 6:53AM

    Hi Daniel,

    Ah, thanks for spotting that one. It should be fixed in the latest pre-release (currently pre8). I also included the updated media_player_vlc.

    Unless there are any real bugs that arise, I think I will wait for one major issue to be resolved in Expyriment, and then release 2.8.0. Exciting, and a big improvement—And in no small part due to your mulitprocess functionality!

    Cheers,
    Sebastiaan

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  • edited December 2013

    hi
    I really like the new features!
    2 bugs that I came across:

    1. when you are running "quick run" more then once, the log file is not created in the file pool or in the exp folder.
    2. in the new (and very comfortable) text editor when you are using Hebrew string and try to select it with the mouse the selection is reversed.

    I couldn't find any other hebrew issues, thanks
    Dror

  • edited December 2013

    As of 2.8.0~pre11, the editor component now automatically validates your Python code using pyflakes. A convenient timesaver that notifies you of obvious typos, syntax errors, etc.:

    image

    @drorgarbi

    when you are running "quick run" more then once, the log file is not created in the file pool or in the exp folder.

    In quick run, OpenSesame simply creates a file called quickrun.csv in the last-used folder, and overwrites (without asking) any previously created quickrun.csv. Does this clear things up?

    in the new (and very comfortable) text editor when you are using Hebrew string and try to select it with the mouse the selection is reversed.

    That's a bit odd isn't it? I don't know how most text editors handle this, but I noticed that it felt a bit uncomfortable. It's simply how the underlying editor component (QScintilla) handles this though, it's not really something I can easily fix.

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  • edited 6:53AM

    I'm already loving the code editor, BIG improvement!

  • edited December 2013

    non Latin (Hebrew)

    1. you cannot choose align to right in the sketchpad
    2. you cannot use Hebrew and English symbol if you choose "Hebrew", but if you choose an Hebrew font like "David" it works fine
    3. English at the beginning on the line or at the end doesnt display well
    4. text display - after some edits you'll get a bug that resolves only after you delete font family-""
  • edited 6:53AM

    Hi Dror,

    Thanks for the feedback!

    you cannot choose align to right in the sketchpad

    Good point. I filed a feature request on this (#216).

    you cannot use Hebrew and English symbol if you choose "Hebrew", but if you choose an Hebrew font like "David" it works fine

    The Hebrew (= Droid Sans Hebrew) font does indeed not contain Latin characters, but I would be open to replacing this font by one that does. Is 'David' an open source font, and, if so, where could I find it? If not, do you have suggestions for good Hebrew open-source fonts? Note that licensing is important, which is why we cannot include just any font.

    English at the beginning on the line or at the end doesnt display well

    Do you have a screenshot or script to illustrate the issue?

    text display - after some edits you'll get a bug that resolves only after you delete font family-""

    Yes, I saw your discussion with @Rotem about this. I'll look into this. And thanks for helping out on the forum!

    Cheers,
    Sebastiaan

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  • edited 6:53AM

    I found a problem on windows 7 with ~pre12 (from source). I was working with OS on a a screen with a resolution of 1366x768 (probably of a dying breed I know), but when the interface becomes too large (for instance if you click on 'show the debug window') for this resolution and the OS interface is shown in fullscreen mode, OS crashes hard! (Python has stopped working...). Maybe it is possible to see if the screen resolution is too small for OS and then issue a warning if this is the case.

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  • edited 6:53AM

    hi
    here is the "alef" open source font that I used in the exp/
    http://alef.hagilda.com/

    here is a little hebrew english problem demonstration with explanations inside
    http://pastebin.com/yis5YQxN

    marry xmes
    Dror

  • edited 6:53AM

    @dschreij

    I found a problem on windows 7 with ~pre12 (from source). I was working with OS on a a screen with a resolution of 1366x768 (probably of a dying breed I know), but when the interface becomes too large (for instance if you click on 'show the debug window') for this resolution and the OS interface is shown in fullscreen mode, OS crashes hard! (Python has stopped working...). Maybe it is possible to see if the screen resolution is too small for OS and then issue a warning if this is the case.

    Hmm, that sounds like a Qt4 issue. I'll see if I can replicate it on my machine (which is also a 1366x768 laptop) and, if so, what can be done to fix this. Suggestions welcome!

    @drorgarbi

    hi here is the "alef" open source font that I used in the exp/ http://alef.hagilda.com/

    Thanks for pointing this font out! Indeed, it includes nicely matching Latin characters. It strikes me that the Droid Sans Hebrew font is slightly better looking though (Droid shown above, Alef below). As a Hebrew native speaker (I assume), would you agree?

    image

    At any rate, even if Alef is not as pretty, the fact that it includes Western characters may be enough reason to use it as the default Hebrew font. I'll think about it.

    here is a little hebrew english problem demonstration with explanations inside http://pastebin.com/yis5YQxN

    Ah, I think I see what you mean. This is somewhat out of my area of expertise, but I did notice that both python-bidi (used by the runtime) and Qt4 (used by the GUI) render the text in the 'incorrect' way. This suggests that it may be the intended behavior. Perhaps it's due to which direction is used as baseline? I think it would be best to communicate these issues directly to the developer of python-bidi, which OpenSesame uses for the bi-directional-text support.

    And merry Christmas to you guys as well!

    image

    Sebastiaan

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  • edited December 2013

    Thanks, it might indeed be a QT issue. I did not have the problem with 0.27.4, but pane that is open by default is vertically a bit smaller than the default pane in OS 2.8

    Another small bug: If you quit OpenSesame and it asks you to save your experiment, the changes are not saved after klikking "yes". Just before OpenSesame exits you can see a small OS error window popping up, which appears to say something about not being able to find files in the temp folder. This goes so fast that I can't really read what it exactly says, but it might be that OpenSesame already deletes the contents of the temporary folder it uses for experiments before it can save hem?

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  • edited 6:53AM

    Thanks, it might indeed be a QT issue. I did not have the problem with 0.27.4, but pane that is open by default is vertically a bit smaller than the default pane in OS 2.8

    You were running from source, right? I suspect that this is a bug that has already been resolved in the latest versions of PyQt4, because I cannot reproduce it. Does it happen as well when you use the latest pre-release package?

    Another small bug: If you quit OpenSesame and it asks you to save your experiment, the changes are not saved after klikking "yes". Just before OpenSesame exits you can see a small OS error window popping up, which appears to say something about not being able to find files in the temp folder. This goes so fast that I can't really read what it exactly says, but it might be that OpenSesame already deletes the contents of the temporary folder it uses for experiments before it can save hem?

    Yes, your analysis is correct! I fixed this in pre12, which is uploading as I write this.

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  • edited 6:53AM

    hi
    another 2 bugs in inline script

    if you go into "edit script" type some text and exit without applying changes (e.g. going into another object) all your changes are gone,
    if you do the same operation in the inline script editor the changes are saves
    I dont find any reason to go into edit script except that the hebrew editing id easyer.

    so I really think its a minor issue

    hebrew in inlinescript is displayed on top of the english text\


  • edited 6:53AM

    if you go into "edit script" type some text and exit without applying changes (e.g. going into another object) all your changes are gone, if you do the same operation in the inline script editor the changes are saves I dont find any reason to go into edit script except that the hebrew editing id easyer.

    Indeed, the script did not auto-apply changes, as it should. I more-or-less fixed this (I'll upload a new pre-release later today), but the result is that the script editor automatically closes. This will be improved upon with a later release, because I don't want to destabilize the code at this point for 2.8.0.

    hebrew in inlinescript is displayed on top of the english text

    Hmm, indeed. This appears to be a very odd bug in QScintilla, the text editor component used by OpenSesame. There's not much that we can do about it, except wait until the issue is resolved in QScintilla. A workaround for now would be to disable syntax highlighting by selecting 'Text' in the language menu at the top right.

    Cheers and thanks again for your feedback!

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  • edited 6:53AM

    hi
    when does 28.0 due?
    I want to upgrade all my lab with the official release
    Dror

  • edited 6:53AM

    Hi Dror,

    OpenSesame itself has been ready for some time, but I've postponed release until Expyriment was upgraded as well. This has happened now, and if testing doesn't show anything funky, the latest pre-release will become 2.8.0 as is. Soon!

    Cheers,
    Sebastiaan

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This discussion has been closed.

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