def quickStartHubServer(experimentCode, sessionCode, **deviceConfigs):
from ioHub.client import ioHubConnection
devices=deviceConfigs
if len(devices)==0:
# Specify devices you want to use in the ioHub
devices=OrderedDict()
devices['Display']={'origin':'center','reporting_unit_type':'pix'}
devices['Keyboard']={}
devices['Mouse']={}
# Create an ioHub configuration dictionary.
ioConfig=dict(monitor_devices=devices)
if experimentCode and sessionCode:
# Enable saving of all keyboard and mouse events to the 'ioDataStore'
ioConfig['data_store']=dict(experiment_info=dict(code=experimentCode),session_info=dict(code=sessionCode))
# Start the ioHub Server
return ioHubConnection(ioConfig)
def _initalizeConfiguration(self):
global _currentSessionInfo
"""
Based on the configuration data in the experiment_config.yaml and iohub_config.yaml,
configure the experiment environment and ioHub process environments. This mehtod is called by the class init
and should not be called directly.
"""
display_experiment_dialog=self.configuration.get("display_experiment_dialog",False)
display_session_dialog=self.configuration.get("display_session_dialog",True)
if display_experiment_dialog is True:
# display a read only dialog verifying the experiment parameters
# (based on the experiment .yaml file) to be run. User can hit OK to continue,
# or Cancel to end the experiment session if the wrong experiment was started.
exitExperiment=self._displayExperimentSettingsDialog()
if exitExperiment:
print "User Cancelled Experiment Launch."
self._close()
sys.exit(1)
self.experimentConfig=self.prePostExperimentVariableCallback(self.experimentConfig)
ioHubInfo= self.configuration.get('ioHub',{})
if ioHubInfo is None:
print 'ioHub section of configuration file could not be found. Exiting.....'
self._close()
sys.exit(1)
else:
from ioHub.client import ioHubConnection
ioHubConfigFileName=unicode(ioHubInfo.get('config','iohub_config.yaml'))
ioHubConfigAbsPath=os.path.join(self.configFilePath,unicode(ioHubConfigFileName))
self.hub=ioHubConnection(None,ioHubConfigAbsPath)
#print 'ioHubExperimentRuntime.hub: {0}'.format(self.hub)
# A circular buffer used to hold events retrieved from self.getEvents() during
# self.delay() calls. self.getEvents() appends any events in the allEvents
# buffer to the result of the hub.getEvents() call that is made.
self.hub.allEvents=deque(maxlen=self.configuration.get('event_buffer_length',256))
#print 'ioHubExperimentRuntime sending experiment config.....'
# send experiment info and set exp. id
self.hub._sendExperimentInfo(self.experimentConfig)
#print 'ioHubExperimentRuntime SENT experiment config.'
allSessionDialogVariables = dict(self.experimentSessionDefaults, **self.sessionUserVariables)
sessionVariableOrder=self.configuration['session_variable_order']
if 'user_variables' in allSessionDialogVariables:
del allSessionDialogVariables['user_variables']
if display_session_dialog is True:
# display session dialog
r=True
while r is True:
# display editable session variable dialog displaying the ioHub required session variables
# and any user defined session variables (as specified in the experiment config .yaml file)
# User can enter correct values and hit OK to continue, or Cancel to end the experiment session.
allSessionDialogVariables = dict(self.experimentSessionDefaults, **self.sessionUserVariables)
sessionVariableOrder=self.configuration['session_variable_order']
if 'user_variables' in allSessionDialogVariables:
del allSessionDialogVariables['user_variables']
tempdict=self._displayExperimentSessionSettingsDialog(allSessionDialogVariables,sessionVariableOrder)
if tempdict is None:
print "User Cancelled Experiment Launch."
self._close()
sys.exit(1)
tempdict['user_variables']=self.sessionUserVariables
r=self.isSessionCodeNotInUse(tempdict['code'])
if r is True:
display_device=self.hub.getDevice('display')
display_id=0
if display_device:
display_id=display_device.getIndex()
msg_dialog=ioHub.util.experiment.dialogs.MessageDialog(
"Session Code {0} is already in use by the experiment.\nPlease enter a new Session Code".format(tempdict['code']),
"Session Code In Use",
dialogType=ioHub.util.experiment.dialogs.MessageDialog.ERROR_DIALOG,
allowCancel=False,
display_index=display_id)
msg_dialog.show()
else:
tempdict=allSessionDialogVariables
tempdict['user_variables']=self.sessionUserVariables
for key,value in allSessionDialogVariables.iteritems():
if key in self.experimentSessionDefaults:
self.experimentSessionDefaults[key]=value#(u''+value).encode('utf-8')
elif key in self.sessionUserVariables:
self.sessionUserVariables[key]=value#(u''+value).encode('utf-8')
tempdict=self.prePostSessionVariableCallback(tempdict)
tempdict['user_variables']=self.sessionUserVariables
_currentSessionInfo=self.experimentSessionDefaults
self.hub._sendSessionInfo(tempdict)
# create necessary paths based on yaml settings,
self.paths=PathMapping(self.configFilePath,self.configuration.get('paths',None))
self.paths.saveToJson()
self._setInitialProcessAffinities(ioHubInfo)
return self.hub