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OpenSesame 3.0.7 "Interactive Ising" released

edited March 2016 in OpenSesame

OpenSesame 3.0.7 is the seventh maintenance release in the 3.0 series. It contains bug fixes and minor improvements, and should be a pleasant and safe upgrade for everyone who is using the 3.0 series.

If you are upgrading from OpenSesame 2.9.7 or earlier, please see the list of important changes in OpenSesame 3.0:

Bugs fixed

  • Fix 'sound' duration in sampler and sketchpad (#401)
  • Correctly escape slashes in OpenSesame syntax (#403)
  • Don't crash on viewing remote urls ending in .md
  • Fix crashing help menu when off-line (#395)


  • Preserve cursor position when switching to and from inline_script items (#390)
  • Give better error message when missing end-of-block line for multiline variables

Windows packaging

Python 2.7 release (recommended):

OpenSesame 3.0.7
Python 2.7.10 (default, May 23 2015, 09:40:32) [MSC v.1500 32 bit (Intel)]
OpenCV is not available
OpenCV2 3.0.0
QProgedit 3.2.2
Expyriment  (Python 2.7.10)
IPython 3.2.0
NumPy 1.9.2
PIL is available (version is unknown)
PsychoPy 1.82.01
PyAudio 0.2.8
PyGame 1.9.1release
PyGaze 0.6.0a10
Pyglet 1.2.3
PyOpenGL 3.1.0
PyQt 4.11.4
PySerial 2.7
python-bidi 0.3.4
python-markdown 2.6.2
SciPy 0.15.1

Python 3.4 release (experimental):

OpenSesame 3.0.7
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:43:06) [MSC v.1600 32 bit (Intel)]
OpenCV is not available
OpenCV 2 is not available
QProgedit 3.2.2
Expyriment is not available (or version is unknown)
IPython 4.0.0
NumPy 1.9.3
PIL is available (version is unknown)
PsychoPy not available (or version is unknown)
PyAudio 0.2.9
PyGame 1.9.2a0
PyGaze is not available
Pyglet not available (or version is unknown)
PyOpenGL 3.1.1b1
PyQt 4.11.4
PySerial 2.7
python-bidi 0.4.0
python-markdown 2.6.2
SciPy 0.16.1

Mac OS packaging

OpenSesame 3.0.7
Python 2.7.11 |Continuum Analytics, Inc.| (default, Dec 6 2015, 18:57:58)
[GCC 4.2.1 (Apple Inc. build 5577)]
OpenCV is not available
OpenCV2 3.1.0
QProgedit 3.2.2
Expyriment 0.8.0-41-g147b7d7 (Python 2.7.11)
IPython 4.1.2
NumPy 1.10.4
PIL is available (version is unknown)
PsychoPy 1.82.01
PyAudio 0.2.7
PyGame 1.9.2a0
PyGaze is not available
Pyglet 1.2.4
PyOpenGL 3.1.1a1
PyQt 4.11.4
PySerial 3.0.1
python-bidi 0.4.0
python-markdown 2.6.5
SciPy 0.17.0

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  • edited March 2016

    Hi Sebastiaan,
    Thank you for OpenSesame,

    I have a problem running the "attentional blink" example it crushes .
    This is what I get:
    The experiment did not finish normally for the following reason:

    Error while executing inline script
    item-stack: experiment[run].practice_loop[run].block_sequence[run].block_loop[run].trial_sequence[run].RSVP[run]
    exception type: WindowsError
    exception message: exception: access violation reading 0x00000010
    item: RSVP
    time: Fri Mar 18 11:58:06 2016
    phase: run
    Traceback (also in debug window)
      File "dist\libopensesame\", line 102, in run
      File "dist\libopensesame\", line 159, in _exec
      File "<string>", line 4, in <module>
      File "dist\openexp\_canvas\", line 132, in show
      File "dist\psychopy\visual\", line 591, in draw
      File "dist\pyglet\font\", line 565, in draw
      File "dist\pyglet\text\", line 852, in draw
      File "dist\pyglet\graphics\", line 554, in draw
      File "dist\pyglet\graphics\", line 486, in <lambda>
      File "dist\pyglet\graphics\", line 313, in draw
    WindowsError: exception: access violation reading 0x00000010

    Since I have already programmed a new experiment based on your example, after convincing my Prof to use OpenSesame' I need your help solving this problem!
    Many Thanks
    Gily Mozes

  • edited 6:36AM

    Hi Gily,

    It looks like there's a problem with PyGlet, which is the graphics library that is used by PsychoPy. This could well be specific to your system. I would suggest to either:

    1. Try another computer; or
    2. Select another back-end (you can do this in the General Properties tab).


    Buy Me A Coffee

  • edited 6:36AM

    Any thoughts on this error generated in 3.0.7b1 (Ubuntu) on experiment working before upgrade?

    Python 2.7.6
    * Type "help()", "copyright()", "credits()" or "license()" for more information.
    * Type "print(modules())" for details about installed modules and version information.
    * Use the "print([msg])" function in inline_script items to print to this debug window.
    * Inspect inline_script variables when an experiment is finished.
    In [1]: Starting experiment as ExperimentProcess-5
    Expyriment  (Python 2.7.6) 
    openexp.sampler._legacy.init_sound(): sampling freq = 48000, buffer size = 1024
    openexp.sampler._legacy.init_sound(): mixer already initialized, closing experiment started at Thu Mar 24 09:21:41 2016
    Error while executing inline script
    item-stack: experiment[run].config[run]
    exception type: AttributeError
    exception message: StreamReaderWriter instance has no __call__ method
    item: config
    time: Thu Mar 24 09:21:42 2016
    phase: run
      File "/usr/lib/pymodules/python2.7/libopensesame/", line 102, in run
      File "/usr/lib/pymodules/python2.7/libopensesame/", line 159, in _exec
        exec(bytecode, self._globals)
      File "<string>", line 31, in <module>
    AttributeError: StreamReaderWriter instance has no __call__ method
  • edited 6:36AM


    The error results from re-opening the log file using which creates a StreamReaderWriter object, where OpenSesame 3 expects a special log object. For more information, please see this post:


    Buy Me A Coffee

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