def _handleEvents(self, events):
# saves many events to pytables table at once.
# EVENTS MUST ALL BE OF SAME TYPE!!!!!
try:
#ioHub.print2err("_handleEvent: ",self.active_experiment_id,self.active_session_id)
if self.checkForExperimentAndSessionIDs(len(events)) is False:
return False
event=events[0]
etype=event[DeviceEvent.EVENT_TYPE_ID_INDEX]
#ioHub.print2err("etype: ",etype)
eventClass=EventConstants.getClass(etype)
etable=self.TABLES[eventClass.IOHUB_DATA_TABLE]
#ioHub.print2err("eventClass: etable",eventClass,etable)
np_events=[]
for event in events:
event[DeviceEvent.EVENT_EXPERIMENT_ID_INDEX]=self.active_experiment_id
event[DeviceEvent.EVENT_SESSION_ID_INDEX]=self.active_session_id
np_events.append(tuple(event))
np_array= N.array(np_events,dtype=eventClass.NUMPY_DTYPE)
#ioHub.print2err('np_array:',np_array)
etable.append(np_array)
self.bufferedFlush(len(np_events))
except ioHub.ioHubError, e:
ioHub.print2err(e)
def _handleEvent(self, event):
try:
if self.checkForExperimentAndSessionIDs(event) is False:
return False
etype=event[DeviceEvent.EVENT_TYPE_ID_INDEX]
eventClass=EventConstants.getClass(etype)
etable=self.TABLES[eventClass.IOHUB_DATA_TABLE]
event[DeviceEvent.EVENT_EXPERIMENT_ID_INDEX]=self.active_experiment_id
event[DeviceEvent.EVENT_SESSION_ID_INDEX]=self.active_session_id
np_array= N.array([tuple(event),],dtype=eventClass.NUMPY_DTYPE)
etable.append(np_array)
self.bufferedFlush()
except ioHub.ioHubError, e:
ioHub.print2err(e)
def run(self,*args,**kwargs):
"""
"""
# PLEASE REMEMBER , THE SCREEN ORIGIN IS ALWAYS IN THE CENTER OF THE SCREEN,
# REGARDLESS OF THE COORDINATE SPACE YOU ARE RUNNING IN. THIS MEANS 0,0 IS SCREEN CENTER,
# -x_min, -y_min is the screen bottom left
# +x_max, +y_max is the screen top right
#
# *** RIGHT NOW, ONLY PIXEL COORD SPACE IS SUPPORTED. THIS WILL BE FIXED SOON. ***
ENABLE_NOISY_MOUSE=True
# Let's make some short-cuts to the devices we will be using in this 'experiment'.
mouse=self.devices.mouse
display=self.devices.display
kb=self.devices.kb
#Computer.enableHighPriority()
# Create a psychopy window, using settings from Display device config
psychoWindow = FullScreenWindow(display)#,res=(500,500),fullscr=False,allowGUI=True)
# Hide the 'system mouse cursor' so we can display a cool gaussian mask for a mouse cursor.
#mouse.setSystemCursorVisibility(False)
# Set the mouse position to 0,0, which means the 'center' of the screen.
mouse.setPosition((0.0,0.0))
# Read the current mouse position (should be 0,0) ;)
currentPosition=mouse.getPosition()
mouse.lockMouseToDisplayID(display.getIndex())
# Create an ordered dictionary of psychopy stimuli. An ordered dictionary is one that returns keys in the order
# they are added, you you can use it to reference stim by a name or by 'zorder'
psychoStim=OrderedDict()
psychoStim['grating'] = visual.PatchStim(psychoWindow, mask="circle", size=75,pos=[-100,0], sf=.075)
psychoStim['fixation'] =visual.PatchStim(psychoWindow, size=25, pos=[0,0], sf=0, color=[-1,-1,-1], colorSpace='rgb')
psychoStim['keytext'] = visual.TextStim(psychoWindow, text=u'?', pos = [100,200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['ucodetext'] = visual.TextStim(psychoWindow, text=u'?', pos = [-100,200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['mods'] = visual.TextStim(psychoWindow, text=u'?', pos = [0,-200], height=48, color=[-1,-1,-1], colorSpace='rgb',alignHoriz='center',alignVert='center',wrapWidth=400.0)
psychoStim['mouseDot'] =visual.GratingStim(psychoWindow,tex=None, mask="gauss", pos=currentPosition,size=(50,50),color='purple')
# Clear all events from the global and device level event buffers.
self.hub.clearEvents('all')
QUIT_EXP=False
# Loop until we get a keyboard event with the space, Enter (Return), or Escape key is pressed.
while QUIT_EXP is False:
# for each loop, update the grating phase
psychoStim['grating'].setPhase(0.05, '+')#advance phase by 0.05 of a cycle
# and update the mouse contingent gaussian based on the current mouse location
mx,my=mouse.getPosition()
if ENABLE_NOISY_MOUSE:
mx=np.random.random_integers(mx-10,mx+10)
my=np.random.random_integers(my-10,my+10)
psychoStim['mouseDot'].setPos((mx,my))
# redraw the stim
[psychoStim[stimName].draw() for stimName in psychoStim]
# flip the psychopy window buffers, so the stim changes you just made get displayed.
psychoWindow.flip()
# it is on this side of the call that you know the changes have been displayed, so you can
# make a call to the ioHub time method and get the time of the flip, as the built in
# time methods represent both experiment process and ioHub server process time.
# Most times in ioHub are represented sec.msec format to match that of Psychopy.
flip_time=Computer.currentSec()
# send a message to the iohub with the message text that a flip occurred and what the mouse position was.
# since we know the ioHub server time the flip occurred on, we can set that directly in the event.
self.hub.sendMessageEvent("Flip %s"%(str(currentPosition),), sec_time=flip_time)
# get any new keyboard char events from the keyboard device
# for each new keyboard character event, check if it matches one of the end example keys.
for k in kb.getEvents():
if k.key.upper() in ['ESCAPE', ] and k.type==EventConstants.KEYBOARD_CHAR:
print 'Quit key pressed: ',k.key,' for ',k.duration,' sec.'
QUIT_EXP=True
print u'{0}: time: {1}\t\tord: {2}.\t\tKey: [{3}]\t\tMods: {4}'.format(k.time,EventConstants.getName(k.type),k.ucode,k.key,k.modifiers)
psychoStim['keytext'].setText(k.key)
psychoStim['ucodetext'].setText(unichr(k.ucode))
psychoStim['mods'].setText(str(k.modifiers))
#for e in mouse.getEvents():
# print 'Event: ',e
self.hub.clearEvents('all')
# wait 250 msec before ending the experiment (makes it feel less abrupt after you press the key)
actualDelay=self.hub.wait(0.250)
print "Delay requested %.6f, actual delay %.6f, Diff: %.6f"%(0.250,actualDelay,actualDelay-0.250)
# for fun, test getting a bunch of events at once, likely causing a mutlipacket getEvents()
stime = Computer.currentSec()
events=self.hub.getEvents()
etime=Computer.currentSec()
if events is None:
events=[]
print 'event count: ', len(events),' delay (msec): ',(etime-stime)*1000.0
# _close neccessary files / objects, 'disable high priority.
psychoWindow.close()
def _processDeviceEventIteration(self):
for device in self.devices:
try:
events=device._getNativeEventBuffer()
#if events and len(events)>0:
# ioHub.print2err("_processDeviceEventIteration.....", device._event_listeners)
while len(events)>0:
evt=events.popleft()
e=device._getIOHubEventObject(evt)
if e is not None:
for l in device._getEventListeners(e[DeviceEvent.EVENT_TYPE_ID_INDEX]):
l._handleEvent(e)
except:
ioHub.printExceptionDetailsToStdErr()
ioHub.print2err("Error in processDeviceEvents: ", device, " : ", len(events), " : ", e)
ioHub.print2err("Event type ID: ",e[DeviceEvent.EVENT_TYPE_ID_INDEX], " : " , EventConstants.getName(e[DeviceEvent.EVENT_TYPE_ID_INDEX]))
ioHub.print2err("--------------------------------------")
def __init__(self, initial_time_offset, rootScriptPathDir, config=None):
import ioHub
Computer.isIoHubProcess=True
Computer.globalClock=ioHub.ioClock(None,initial_time_offset)
self._hookManager=None
self.emrt_file=None
self.config=config
self.devices=[]
self.deviceMonitors=[]
self.sessionInfoDict=None
self.experimentInfoList=None
self.filterLookupByInput={}
self.filterLookupByOutput={}
self.filterLookupByName={}
ioServer.eventBuffer=deque(maxlen=config.get('global_event_buffer',2048))
ioServer._logMessageBuffer=deque(maxlen=128)
self._running=True
# start UDP service
self.udpService=udpServer(self,':%d'%config.get('udpPort',9000))
# read temp paths file
ioHub.data_paths=None
try:
expJsonPath=os.path.join(rootScriptPathDir,'exp.paths')
f=open(expJsonPath,'r')
ioHub.data_paths=msgpack.loads(f.read())
f.flush()
f.close()
os.remove(expJsonPath)
except:
pass
#ioHub.print2err("#### ioHub.data_paths: ",ioHub.data_paths)
self._all_device_config_errors=dict()
device_instance_list=[]
try:
#built device list and config from yaml config settings
for iodevice in config.get('monitor_devices',()):
for device_class_name,deviceConfig in iodevice.iteritems():
#ioHub.print2err("======================================================")
#ioHub.print2err("Started load process for: {0}".format(device_class_name))
device_instance_and_config=self.addDeviceToMonitor(device_class_name,deviceConfig)
if device_instance_and_config:
device_instance_list.append(device_instance_and_config)
else:
ioHub.print2err('## Device was not started by the ioHub Server: ',device_class_name)
raise ioHub.ioHubError("Device config validation failed")
DeviceConstants.addClassMappings()
EventConstants.addClassMappings()
except:
ioHub.print2err("Error during device creation ....")
ioHub.printExceptionDetailsToStdErr()
raise ioHub.ioHubError("Error during device creation ....")
try:
# dataStore setup
if 'data_store' in config:
experiment_datastore_config=config.get('data_store')
default_datastore_config_path=os.path.join(ioHub.IO_HUB_DIRECTORY,'ioDataStore','default_iodatastore.yaml')
_dslabel,default_datastore_config=load(file(default_datastore_config_path,'r'), Loader=Loader).popitem()
for default_key,default_value in default_datastore_config.iteritems():
if default_key not in experiment_datastore_config:
experiment_datastore_config[default_key]=default_value
#ioHub.print2err("Merged ioDataStoreConfig: {0}".format(experiment_datastore_config))
if experiment_datastore_config.get('enable', True):
#ioHub.print2err("Creating ioDataStore....")
if ioHub.data_paths is None:
resultsFilePath=rootScriptPathDir
else:
resultsFilePath=ioHub.data_paths[u'IOHUB_DATA']
self.createDataStoreFile(experiment_datastore_config.get('filename','events')+'.hdf5',resultsFilePath,'a',experiment_datastore_config)
#ioHub.print2err("Created ioDataStore.")
except:
ioHub.print2err("Error during ioDataStore creation....")
ioHub.printExceptionDetailsToStdErr()
self.log("Adding ioServer and DataStore event listeners......")
# add event listeners for saving events
if self.emrt_file is not None:
for device_instance,device_instance_config,eventIDs in device_instance_list:
if device_instance_config['save_events']:
device_instance._addEventListener(self.emrt_file,eventIDs)
self.log("DataStore listener for device added: device: %s eventIDs: %s"%(device_instance.__class__.__name__,eventIDs))
#ioHub.print2err("DataStore listener for device added: device: %s eventIDs: %s"%(device_instance.__class__.__name__,eventIDs))
else:
#ioHub.print2err("DataStore saving disabled for device: %s"%(device_instance.__class__.__name__,))
self.log("DataStore saving disabled for device: %s"%(device_instance.__class__.__name__,))
else:
#ioHub.print2err("DataStore Not Evabled. No events will be saved.")
self.log("DataStore Not Enabled. No events will be saved.")
# try:
# #built filter graph and config from yaml config settings
# for iofilters in config.get('filters',()):
# for filter_class,filterConfig in iofilters.iteritems():
# self.addFilterToMonitor(filter_class,filterConfig)
# except:
# ioHub.print2err("Error during filter creation ....")
# ioHub.printExceptionDetailsToStdErr()
deviceDict=ioServer.deviceDict
iohub=self
if ('Mouse' in deviceDict or 'Keyboard' in deviceDict):
if Computer.system == 'win32':
iohub.log("Creating pyHook Monitors....")
#ioHub.print2err("Creating pyHook Monitors....")
class pyHookDevice(object):
def __init__(self):
import pyHook
self._hookManager=pyHook.HookManager()
if 'Mouse' in deviceDict:
#ioHub.print2err("Hooking Mouse.....")
self._hookManager.MouseAll = deviceDict['Mouse']._nativeEventCallback
self._hookManager.HookMouse()
if 'Keyboard' in deviceDict:
#ioHub.print2err("Hooking Keyboard.....")
self._hookManager.KeyAll = deviceDict['Keyboard']._nativeEventCallback
self._hookManager.HookKeyboard()
iohub.log("WindowsHook PumpEvents Periodic Timer Created.")
def _poll(self):
import pythoncom
# PumpWaitingMessages returns 1 if a WM_QUIT message was received, else 0
if pythoncom.PumpWaitingMessages() == 1:
raise KeyboardInterrupt()
#ioHub.print2err("Creating pyHook Monitor......")
hookMonitor=DeviceMonitor(pyHookDevice(),0.00375)
self.deviceMonitors.append(hookMonitor)
#ioHub.print2err("Created pyHook Monitor.")
elif Computer.system == 'linux2':
# TODO: consider switching to xlib-ctypes implementation of xlib
# https://github.com/garrybodsworth/pyxlib-ctypes
iohub.log("Creating pyXHook Monitors....")
import ioHub.devices.pyXHook
self._hookManager = ioHub.devices.pyXHook.HookManager()
if 'Keyboard' in deviceDict:
ioHub.print2err("Hooking Keyboard.....")
self._hookManager.HookKeyboard()
self._hookManager.KeyDown = deviceDict['Keyboard']._nativeEventCallback
self._hookManager.KeyUp = deviceDict['Keyboard']._nativeEventCallback
if 'Mouse' in deviceDict:
ioHub.print2err("Hooking Mouse.....")
self._hookManager.HookMouse()
self._hookManager.MouseAllButtonsDown = deviceDict['Mouse']._nativeEventCallback
self._hookManager.MouseAllButtonsUp = deviceDict['Mouse']._nativeEventCallback
self._hookManager.MouseAllMotion = deviceDict['Mouse']._nativeEventCallback
#ioHub.print2err("Starting pyXHook.HookManager.....")
self._hookManager.start()
iohub.log("pyXHook Thread Created.")
#ioHub.print2err("pyXHook.HookManager thread created.")
else: # OSX
if 'Mouse' in deviceDict:
mouseHookMonitor=DeviceMonitor(deviceDict['Mouse'],0.004)
self.deviceMonitors.append(mouseHookMonitor)
deviceDict['Mouse']._CGEventTapEnable(deviceDict['Mouse']._tap, True)
if 'Keyboard' in deviceDict:
kbHookMonitor=DeviceMonitor(deviceDict['Keyboard'],0.004)
self.deviceMonitors.append(kbHookMonitor)
deviceDict['Keyboard']._CGEventTapEnable(deviceDict['Keyboard']._tap, True)
# import ioHub.devices.pyXHook
#
# self._hookManager = ioHub.devices.pyXHook.HookManager()
# if 'Keyboard' in deviceDict:
# ioHub.print2err("Hooking Keyboard.....")
# self._hookManager.HookKeyboard()
# self._hookManager.KeyDown = deviceDict['Keyboard']._nativeEventCallback
# self._hookManager.KeyUp = deviceDict['Keyboard']._nativeEventCallback
# if 'Mouse' in deviceDict:
# ioHub.print2err("Hooking Mouse.....")
# self._hookManager.HookMouse()
# self._hookManager.MouseAllButtonsDown = deviceDict['Mouse']._nativeEventCallback
# self._hookManager.MouseAllButtonsUp = deviceDict['Mouse']._nativeEventCallback
# self._hookManager.MouseAllMotion = deviceDict['Mouse']._nativeEventCallback
#
# #ioHub.print2err("Starting pyXHook.HookManager.....")
# self._hookManager.start()
# iohub.log("pyXHook Thread Created.")
#ioHub.print2err("pyXHook.HookManager thread created.")
self.log("Time Offset: {0}".format(initial_time_offset))
