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opensesamerun
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opensesamerun
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#!/usr/bin/env python
#-*- coding:utf-8 -*-
"""
This file is part of OpenSesame.
OpenSesame is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenSesame is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenSesame. If not, see <http://www.gnu.org/licenses/>.
"""
if __name__ == u"__main__":
# First, load a minimum number of modules and show an empty app window. This
# gives the user the feeling of a snappy response.
import os, sys
# Change the working directory on Windows. Depending on whether the
# application has been frozen by py2exe or not we need to use a different
# method of deducing the name to the main script.
# See also http://www.py2exe.org/index.cgi/HowToDetermineIfRunningFromExe
if os.name == "nt":
import imp
if (hasattr(sys, "frozen") or hasattr(sys, "importers") or \
imp.is_frozen("__main__")):
path = os.path.dirname(sys.executable)
else:
path = os.path.dirname(__file__)
if path != '':
os.chdir(path)
if path not in sys.path:
sys.path.append(path)
import libopensesame.misc
import libopensesame.experiment
# Parse the command line options
options = libopensesame.misc.opensesamerun_options()
app = None
# If the command line options haven't provided sufficient information to
# run right away, present a GUI
while not libopensesame.misc.opensesamerun_ready(options):
# If PyQt4 is not available (e.g., this might be the case on Mac OS)
# give an error instead of showing a GUI. This makes sure that even
# without PyQt4, people can still run experiments.
try:
from PyQt4 import QtGui, QtCore
except:
libopensesame.misc.messagebox(u"OpenSesame Run",
u"Incorrect or missing options.\n\nRun 'opensesame --help' from a terminal (or command prompt) to see a list of available options, or install Python Qt4 to enable the graphical user interface.")
sys.exit()
# Create the GUI and show it
import libqtopensesame.qtopensesamerun
if app == None:
app = QtGui.QApplication(sys.argv)
myapp = libqtopensesame.qtopensesamerun.qtopensesamerun(options)
QtCore.QObject.connect(app, QtCore.SIGNAL(u"sys.exit()"), myapp.close)
myapp.show()
app.exec_()
# Update the options from the GUI
options = myapp.options
# Exit if the GUI was canceled
if not myapp.run:
sys.exit()
# Decode the experiment path and logfile
experiment = os.path.abspath(options.experiment)
if isinstance(experiment, str):
experiment = experiment.decode(libopensesame.misc.filesystem_encoding(),
errors=u'ignore')
experiment_path = os.path.dirname(experiment)
logfile = options.logfile
if isinstance(logfile, str):
logfile = logfile.decode(libopensesame.misc.filesystem_encoding(),
errors=u'ignore')
if options.debug:
# In debug mode, don't try to catch any exceptions
exp = libopensesame.experiment.experiment(u"Experiment",
experiment, experiment_path=experiment_path)
exp.set_subject(options.subject)
exp.fullscreen = options.fullscreen
exp.logfile = logfile
exp.run()
exp.end()
else:
try:
exp = libopensesame.experiment.experiment(u"Experiment",
experiment, experiment_path=experiment_path)
except Exception as e:
libopensesame.misc.messagebox(u"OpenSesame Run",
libopensesame.misc.strip_tags(e))
sys.exit()
# Set some options
exp.set_subject(options.subject)
exp.fullscreen = options.fullscreen
exp.logfile = logfile
# Initialize random number generator
import random
random.seed()
# Try to run the experiment
try:
exp.run()
except Exception as e:
# Try to nicely end the experiment, even though an exception
# occurred.
try:
exp.end()
except Exception as f:
libopensesame.misc.messagebox(u"OpenSesame Run",
libopensesame.misc.strip_tags(f))
libopensesame.misc.messagebox(u"OpenSesame Run",
libopensesame.misc.strip_tags(e))
libopensesame.experiment.clean_up(exp.debug)