opensesame

#!/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__':
	# Make sure the multiprocessing part of OS plays well with py2exe/py2app
	# Has no effect if program is run straight from cli interpreter

	# 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, platform

	# Support for multiprocessing when packaged
	# In OS X the multiprocessing module is horribly broken, but a fixed
	# version has been released as the 'billiard' module
	if platform.system() == 'Darwin':
		from billiard import freeze_support, forking_enable
		forking_enable(0)
	else:
		from multiprocessing import freeze_support
	freeze_support()

	# 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 == u'nt':
		import imp
		if (hasattr(sys, u'frozen') or hasattr(sys, u'importers') or \
			imp.is_frozen(u'__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)

	from libopensesame.misc import resource, filesystem_encoding, \
		parse_environment_file
	parse_environment_file()

	# Change Qt API
	import sip
	sip.setapi('QString', 2)
	sip.setapi('QVariant', 2)

	# Register PyQt4 plugin folder
	from PyQt4.QtCore import QCoreApplication
	if os.path.exists(u'PyQt4_plugins'):
		QCoreApplication.addLibraryPath(u'PyQt4_plugins')

	# Load debug package (this must be after the working directory change)
	from libopensesame import debug
	# Do the basic window initialization
	from PyQt4.QtGui import QApplication
	app = QApplication(sys.argv)
	from libqtopensesame.qtopensesame import qtopensesame
	opensesame = qtopensesame(app)
	app.processEvents()
	# Import the remaining modules
	from PyQt4.QtCore import QObject, QLocale, QTranslator
	from libopensesame.py3compat import *
	import os.path
	# Load the locale for UI translation. The locale can be specified on the
	# command line using the --locale parameter
	locale = str(QLocale().system().name())
	for i in range(len(sys.argv)-1):
		if sys.argv[i] == '--locale':
			locale = sys.argv[i+1]
	qm = resource(os.path.join(u'locale', locale) + u'.qm')
	if qm is not None:
		debug.msg(u'installing %s translator' % qm)
		translator = QTranslator()
		translator.load(qm)
		app.installTranslator(translator)
	else:
		debug.msg(u'no translator found for %s' % locale)
	# Now that the window is shown, load the remaining modules and resume the
	# GUI initialization.
	opensesame.resume_init()
	# Open an experiment if it has been specified as a command line argument
	# and suppress the new wizard in that case.
	import os.path
	if len(sys.argv) >= 2 and os.path.isfile(sys.argv[1]):
		start_new_tab = False
		path = sys.argv[1]
		path = safe_decode(path, enc=filesystem_encoding(), errors=u'ignore')
		opensesame.open_file(path=path)
	else:
		start_new_tab = True
	if start_new_tab:
		opensesame.ui.tabwidget.open_start_new(start=True, switch=False)
	opensesame.restore_window_state()
	opensesame.refresh()
	opensesame.show()
	# Added for OS X, otherwise Window will not appear
	opensesame.raise_()
	# Exit using the application exit status
	sys.exit(app.exec_())