Package: psychopy
Version: 1.83.04.dfsg-2
Severity: normal
When using PsychoPy in an IPython session the following happens:
================================
In [1]: import psychopy.iohub as iohub
In [2]: io = iohub.launchHubServer()
---------------------------------------------------------------------------
IOError Traceback (most recent call last)
<ipython-input-2-bbf8577c69ca> in <module>()
----> 1 io = iohub.launchHubServer()
/usr/lib/python2.7/dist-packages/psychopy/iohub/client/__init__.pyc in
launchHubServer(**kwargs)
1502 #print "IOHUB CONFIG: ",ioConfig
1503 # Start the ioHub Server
-> 1504 return ioHubConnection(ioConfig)
1505
1506 ### ioHubExperimentRuntime ####
/usr/lib/python2.7/dist-packages/psychopy/iohub/client/__init__.pyc in
__init__(self, ioHubConfig, ioHubConfigAbsPath)
283
284 self._shutdown_attempted=False
--> 285 self.iohub_status = self._startServer(ioHubConfig,
ioHubConfigAbsPath)
286 if self.iohub_status != "OK":
287 raise RuntimeError("Error starting ioHub server:
%s"%(self.iohub_status))
/usr/lib/python2.7/dist-packages/psychopy/iohub/client/__init__.pyc in
_startServer(self, ioHubConfig, ioHubConfigAbsPath)
988 self.registerPygletWindowHandles(*whs)
989
--> 990 iopFile= open(iopFileName,'w')
991 iopFile.write("ioHub PID: "+str(Computer.iohub_process_id))
992 iopFile.flush()
IOError: [Errno 13] Permission denied: '/usr/bin/.iohpid'
================================
The reason is that in psychopy/iohub/client/__init__.py line 904 the
path of sys.argv[0] is used as the location to place a PID file.
Obviously, this fails for a system install of IPython.
It seems that this isn't the only time this paradigm is used:
% grep -R "rootScript" .
./iohub/client/__init__.py: rootScriptPath = os.path.dirname(sys.argv[0])
./iohub/util/targetpositionsequence.py: rootScriptPath =
os.path.dirname(sys.argv[0])
./iohub/launchHubProcess.py: rootScriptPathDir=sys.argv[2]
A solution for Debian could be to replace this with /var/run/user/.../psychopy,
but upstream may want to adopt a more general solution. appdirs doesn't
seem to support such, though.
-- System Information:
Debian Release: stretch/sid
APT prefers testing
APT policy: (650, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.3.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages psychopy depends on:
ii python 2.7.11-1
ii python-configobj 5.0.6-2
ii python-lxml 3.6.0-1
ii python-matplotlib 1.5.1-1+b1
ii python-numpy 1:1.10.4-2
ii python-opengl 3.0.2-1
ii python-pygame 1.9.1release+dfsg-10+b1
ii python-pyglet 1.1.4.dfsg-3
ii python-scipy 0.17.0-1+b1
Versions of packages psychopy recommends:
ii ipython 2.4.1-1
ii libxxf86vm1 1:1.1.4-1
ii python-gevent 1.1.1-1
ii python-imaging 3.1.1-1
ii python-msgpack 0.4.6-1+b2
pn python-opencv <none>
ii python-openpyxl 2.3.0-1
ii python-pandas 0.17.1-3
ii python-psutil 3.4.2-1+b1
ii python-pygame 1.9.1release+dfsg-10+b1
ii python-pyglet 1.1.4.dfsg-3
ii python-pyo 0.7.9-1
ii python-serial 3.0.1-1
ii python-wxgtk2.8 2.8.12.1+dfsg2-2
ii python-wxgtk3.0 3.0.2.0+dfsg-1+b1
ii python-xlib 0.14+20091101-5
ii python-yaml 3.11-3+b1
Versions of packages psychopy suggests:
pn libavbin0 <none>
pn python-iolabs <none>
pn python-pyxid <none>
-- no debconf information
