Unable to run demo "voiceCapture" on Psychopy 3.2.3

[Xavier]

OS (e.g. Win10): Mojave 10.14.6
PsychoPy version (e.g. 1.84.x): v3.2.3
Standard Standalone? (y/n) If not then what?: yes
What are you trying to achieve?: Trying to work with a microphone, first step testing the voiceCapture demo, getting error messages

What did you try to make it work?: change audiolib to various options, re-install Psychopy, test on a PC, where I do not get the same errors (but currently sorting out mic hardware issues there)

What specifically went wrong when you tried that?:

Generating PsychoPy script...
## Running: /Users/alario/Documents/TestingPsychoPy/demos/voiceCapture/voiceCapture_lastrun.py ##
0.0737     WARNING     pyo audio lib was requested but not loaded: ImportError('dlopen(/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so, 2): Library not loaded: @loader_path/libportaudio.2.dylib\n  Referenced from: /Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so\n  Reason: image not found',)
2019-10-07 16:28:46.105 python[4666:118603] ApplePersistenceIgnoreState: Existing state will not be touched. New state will be written to (null)
Traceback (most recent call last):
  File "/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/psychopy/sound/backend_pyo.py", line 19, in <module>
    import pyo
  File "pyo/__init__.pyc", line 28, in <module>
  File "pyo/lib/analysis.pyc", line 32, in <module>
  File "pyo/lib/_core.pyc", line 58, in <module>
  File "pyo/_pyo.pyc", line 14, in <module>
  File "pyo/_pyo.pyc", line 10, in __load
  File "imp.pyc", line 342, in load_dynamic
ImportError: dlopen(/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so, 2): Library not loaded: @loader_path/libportaudio.2.dylib
  Referenced from: /Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so
  Reason: image not found

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/alario/Documents/TestingPsychoPy/demos/voiceCapture/voiceCapture_lastrun.py", line 18, in <module>
    from psychopy import sound, gui, visual, core, data, event, logging, clock, microphone
  File "/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/psychopy/microphone.py", line 45, in <module>
    from psychopy.sound import backend_pyo
  File "/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/psychopy/sound/backend_pyo.py", line 23, in <module>
    raise exceptions.DependencyError(repr(err))
psychopy.exceptions.DependencyError: ImportError('dlopen(/Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so, 2): Library not loaded: @loader_path/libportaudio.2.dylib\n  Referenced from: /Applications/PsychoPy3.app/Contents/Resources/lib/python3.6/lib-dynload/pyo/_pyo.so\n  Reason: image not found',)

Thank you very much for your help, Xavier

[Xavier]

Hello again

1. With the help of more expert user, we have not been able to get around the problem.

We suspect a problem with the unavailability of

@loader_path/libportaudio.2.dylib

but because a standalone is offered for OSx I do not understand why this file is missing and/or how to install it.

2. I have been able to reproduce the same behavior and same error message on a fresh install of 3.2.2 on different (desktop) Mac also running OSX 10.14.6.

3. I have installed Release 1.90.3 but there too the demo does not run (perhaps this is not surprising) and I get another error message:

 Running: /Users/alario/DataPartition/PsychoPy_Demosv1.90.3/voiceCapture/voiceCapture_lastrun.py 
Traceback (most recent call last):
  File "/Users/alario/DataPartition/PsychoPy_Demosv1.90.3/voiceCapture/voiceCapture_lastrun.py", line 14, in <module>
    from psychopy import locale_setup, sound, gui, visual, core, data, event, logging, clock, microphone
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/psychopy/sound/__init__.py", line 79, in <module>
    from . import backend_sounddevice as backend
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/psychopy/sound/backend_sounddevice.py", line 20, in <module>
    import soundfile as sf
  File "soundfile/__init__.pyc", line 1, in <module>
  File "soundfile/soundfile.pyc", line 270, in <module>
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/cffi/api.py", line 141, in dlopen
    lib, function_cache = _make_ffi_library(self, name, flags)
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/cffi/api.py", line 802, in _make_ffi_library
    backendlib = _load_backend_lib(backend, libname, flags)
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/cffi/api.py", line 797, in _load_backend_lib
    raise OSError(msg)
OSError: cannot load library '/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/site-packages.zip/soundfile/_soundfile_data/libsndfile.dylib': dlopen(/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/site-packages.zip/soundfile/_soundfile_data/libsndfile.dylib, 2): no suitable image found.  Did find:
    /Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/site-packages.zip/soundfile/_soundfile_data/libsndfile.dylib: stat() failed with errno=20.  Additionally, ctypes.util.find_library() did not manage to locate a library called '/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/site-packages.zip/soundfile/_soundfile_data/libsndfile.dylib'

Any help still much appreciated…

[Xavier]

Trying the same demo on a PC (Windows 10 Pro)

It run smoothly once, but then upon being re-run (several times) it started to generate this apparently infinite loop:

Rebooting the PC did not help… Thanks again

[djangraw]

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