AttributeError: pyo server not booted

[Christina Vu]

Hello, I am running psychopy2 on a windows and I get the AttributeError: pyo server not booted

 Running: C:\Documents and Settings\Administrator\My Documents\My Experiments\Stephanie_ECoG_presentation\stimuli\green&purple_simple_lat\Naming1_lastrun.py 

pyo version 0.6.2 (uses single precision)

portaudio error in Pa_OpenStream: Invalid number of channels

Portaudio error: Invalid number of channels

Server not booted.

The Server must be booted!

5.4960 WARNING Data file, data\1_2013_Jun_17_1334.csv, will be overwritten

Traceback (most recent call last):

  File "C:\Documents and Settings\Administrator\My Documents\My Experiments\Stephanie_ECoG_presentation\stimuli\green&purple_simple_lat\Naming1_lastrun.py", line 276, in <module>

    mic_1 = microphone.AudioCapture(name='mic_1', saveDir=wavDirName)

  File "C:\Program Files\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\microphone.py", line 130, in __init__

    raise AttributeError('pyo server not booted')

AttributeError: pyo server not booted

I had the globalerror: pyo not defined before, but switched so that [u'pyo'] was first in the audio preferences.

I've checked multiple threads but haven't found a very clear solution! I've been mainly using the builder, but then using the coder to add a few things here and there. 

Any help would be very much appreciated! Thanks!

[Jeremy Gray]

Hi Christina,

I suspect that your sound device is not able to support stereo sound ("portaudio error in Pa_OpenStream: Invalid number of channels"), and PsychoPy is not detecting this situation appropriately. You might try the forthcoming PsychoPy 1.77 release--it might be able to better detect and compensate (no promises!): http://code.google.com/p/psychopy/downloads/list

If 1.77.00 does not work for you, let us know and post the error message.

--Jeremy

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[Christina Vu]

Hi Jeremy

After updating to 1.77, here is my new error:

File "D:\Documents and Settings\Sara Szczepanski\Desktop\Naming4\Simon_lastrun.py", line 45, in <module>

    microphone.switchOn()

  File "D:\Program Files\PsychoPy2\lib\site-packages\psychopy-1.77.00-py2.7.egg\psychopy\microphone.py", line 836, in switchOn

    sound.initPyo(rate=sampleRate) #will automatically use duplex=1 and stereo if poss

  File "D:\Program Files\PsychoPy2\lib\site-packages\psychopy-1.77.00-py2.7.egg\psychopy\sound.py", line 583, in initPyo

    maxOutputChnls = pyo.pa_get_output_max_channels(outputID)

AttributeError: 'module' object has no attribute 'pa_get_output_max_channels'

[Jeremy Gray]

Hi Christina,

It is now finding pyo, which is good. But the StandAlone comes with an old version of pyo, which is not good. So we either need to package the StandAlone with a newer version of pyo, or tweak the code. It may be possible for you to download a newer version of pyo and move it to the right folder, but I am not sure what folder it should be.

We should be able to fix this pretty easily and hopefully quickly.

--Jeremy

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[Jonathan Peirce]

I'll try and get a new version compiled this morning.
Jon

On 19/06/2013 22:38, Jeremy Gray wrote:

Hi Christina,

It is now finding pyo, which is good. But the StandAlone comes with an old version of pyo, which is not good. So we either need to package the StandAlone with a newer version of pyo, oI'll try and compile a new pyoffr tweak the code. It may be possible for you to download a newer version of pyo and move it to the right folder, but I am not sure what folder it should be.

To view this discussion on the web visit https://groups.google.com/d/msgid/psychopy-users/CANqwJFij-P%3D_v%2BoKkDjJ393aiiX9Ct857ETp%2BTjkpK31QJ05ug%40mail.gmail.com.

For more options, visit https://groups.google.com/groups/opt_out.
 
 

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Jonathan Peirce
Nottingham Visual Neuroscience

http://www.peirce.org.uk

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[Christina Vu]

Thank you! was wondering if there were any updates?

[jbru...@gmail.com]

I am also interested in the status of the new pyo build for Psychopy. I have upgraded to version 1.77.01 to enable parallel port support on Windows 7 (64-bit - which works!), but am now encountering this pyo error for microphone access.

Best,
Jon

[jbru...@gmail.com]

Hello,

I have downloaded PYO version 0.6.6, however I am still running into the same errors seen in previous posts. What version of PYO is currently compatible with PsychoPy 1.77.02? I am happy to install any version and try to link with my local version of PsychoPy.

I tried to hardcode the above problematic lines (maxOutputChnls = pyo.pa_get_output_max_channels(outputID)) with maxOutputChnls = 2 as well as maxInputChnls = 2 to see if that would get past the error. It does move past those lines, but gets stuck on the following line:

Traceback (most recent call last):

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\microphone.py", line 845, in switchOn

    sound.initPyo(rate=sampleRate) #will automatically use duplex=1 and stereo if poss

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\sound.py", line 616, in initPyo

    pyoSndServer = Server(sr=rate, nchnls=maxChnls, buffersize=buffer)

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\pyolib\server.py", line 139, in __init__

    self._server._setDefaultRecPath(os.path.join(os.path.expanduser("~"), "pyo_rec.wav"))

AttributeError: '_pyo.Server' object has no attribute '_setDefaultRecPath'

Thanks in advance for any advice on how to proceed.

Jon

[Jeremy Gray]

It looks like you are using PsychoPy v1.76:

File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00

So I would suggest first trying to update to 1.77. (Downloading pyo will not automatically make it work with the StandAlone version of PsychoPy.)

--Jeremy

To view this discussion on the web visit https://groups.google.com/d/msgid/psychopy-users/676a9455-9f65-4036-b315-74bf36d82d60%40googlegroups.com.

[jbru...@gmail.com]

Hi Jeremy, 

That's what I thought too, but I know I have updated to the latest version (the actual Builder or Coder view windows say Psychopy 1.77.02). Also, my site-packages/psychopy-1.76.00.egg directory has three other directories inside: psychopy, psychopy-1.76.00 and psychopy-1.77.00 (I've been just updating rather than downloading new standalone versions). I have just assumed that the "psychopy" directory here is pointing to the proper psychopy-1.77.00 directory. Do you think I should uninstall, delete all extra directories and reinstall the latest standalone?

Thanks,

Jon

[Jeremy Gray]

in the coder shell, if you type "import pyo; pyo.getVersion()" what does it say? 0,6,2 is older, 0,6,6 is the new version you'll need.

also, please post the exact error message you are getting.

To view this discussion on the web visit https://groups.google.com/d/msgid/psychopy-users/5de8900a-0d52-452b-b2fe-c216092cb815%40googlegroups.com.

[jbru...@gmail.com]

Below are the answers to your questions, and my steps for installing pyo version 0.6.6:

[Original errors with pyo version 0.6.2, running the VoiceCapture demo]

pyo version 0.6.2 (uses single precision)

Traceback (most recent call last):

  File "C:\Users\j119b704\Downloads\PsychoPy2 Demos\voiceCapture\voiceCapture_lastrun.py", line 45, in <module>

    microphone.switchOn()

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\microphone.py", line 845, in switchOn

    sound.initPyo(rate=sampleRate) #will automatically use duplex=1 and stereo if poss

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\sound.py", line 583, in initPyo

    maxOutputChnls = pyo.pa_get_output_max_channels(outputID)

AttributeError: 'module' object has no attribute 'pa_get_output_max_channels'

I then installed PYO version 0.6.6 from (https://code.google.com/p/pyo/downloads/detail?name=pyo_0.6.6_py2.7_setup.exe&can=2&q=). The installation places the important files (pyo.py, pyolib/) in my main python directory C:\Python27. I copied these files to the PsychoPy site-packages directory (C:\Program Files (x86)\PyschoPy2\lib\site-packages). At this point I received some errors regarding some PYO constants (WITH_EXTERNALS) and (PYO_VERSION) - it appeared that neither were set after installing the new PYO

PyShell in PsychoPy - type some commands!

Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32

Type "help", "copyright", "credits" or "license" for more information.

import pyo

Traceback (most recent call last):

  File "<input>", line 1, in <module>

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\pyo.py", line 96, in <module>

    if WITH_EXTERNALS:

NameError: name 'WITH_EXTERNALS' is not defined

I commented out the WITH_EXTERNALS lines in pyo.py which moved the program along to this next error:

PyShell in PsychoPy - type some commands!

Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32

Type "help", "copyright", "credits" or "license" for more information.

import pyo

pyo.getVersion()

Traceback (most recent call last):

  File "<input>", line 1, in <module>

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\pyolib\_core.py", line 208, in getVersion

    major, minor, rev = PYO_VERSION.split('.')

NameError: global name 'PYO_VERSION' is not defined

Since I knew I installed version 0.6.6, I added PYO_VERSION='0.6.6' to _core.py and then received the following error (which is the same as running in pyo 0.6.2, running the voiceCapture demo)

 Running: C:\Users\j119b704\Downloads\PsychoPy2 Demos\voiceCapture\voiceCapture_lastrun.py 

pyo version 0.6.2 (uses single precision)

Traceback (most recent call last):

  File "C:\Users\j119b704\Downloads\PsychoPy2 Demos\voiceCapture\voiceCapture_lastrun.py", line 45, in <module>

    microphone.switchOn()

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\microphone.py", line 845, in switchOn

    sound.initPyo(rate=sampleRate) #will automatically use duplex=1 and stereo if poss

  File "C:\Program Files (x86)\PsychoPy2\lib\site-packages\psychopy-1.76.00-py2.7.egg\psychopy\sound.py", line 583, in initPyo

    maxOutputChnls = pyo.pa_get_output_max_channels(outputID)

AttributeError: 'module' object has no attribute 'pa_get_output_max_channels'

I am not sure why it still says using pyo version 0.6.2 - I am positive I installed version 0.6.6 (I have a 0.6.6 EGG file in my Python27 directory).

Thanks for your help

Jon

[Jeremy Gray]

It really looks like your system is running PsychoPy version 1.76, for whatever reason. This ships with pyo 0.6.2, which is what is giving you the "AttributeError: 'module' object has no attribute 'pa_get_output_max_channels'". If you work out how to do a clean install of 1.77, pyo will be the right version as well. I think that's your best bet. I would not do anything with pyo's code unless you are confident you know what you are doing--I certainly can't help there (esp on Windows). With 1.77 you'll get a bunch of improvements to PsychoPy, plus pyo 0.6.6, plus people on this list can help you. 

To view this discussion on the web visit https://groups.google.com/d/msgid/psychopy-users/96c539a4-448a-42bd-879c-3b8d239fc716%40googlegroups.com.

[Jonathan Peirce]

On 01/08/2013 20:41, jbru...@gmail.com wrote:
> (I've been just updating rather than downloading new standalone versions)

The key to the problem is this part. The patch releases (zip files used
for auto-upadating) just contain new versions of the psychopy code. The
problem you're having is with a dependency and those only get updated if
you fetch a new full standalone. Generally they need updating less often
so this is fine, but occasionally we add a new dependency or have to
upgrade one for a new feature.

You can get the newer standalone at sourceforge (we can't use googlecode
any more for these)
https://sourceforge.net/projects/psychpy/files/?source=navbar

best wishes,
Jon

[jbru...@gmail.com]

Thanks Jeremy and Jon! I'll try this out.

Best,

Jon

[jbru...@gmail.com]

Update: I uninstalled PsychoPy 1.76.00 (removing patch updates), downloaded / installed PsychoPy 1.78.00 (standalone Windows) and everything worked perfectly. Thanks