openlp/openlp.pyw

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2010 Raoul Snyman #
# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
# Carsten Tinggaard, Frode Woldsund #
# --------------------------------------------------------------------------- #
# This program 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; version 2 of the License. #
# #
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import os
import sys
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import logging
from optparse import OptionParser
from traceback import format_exception
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import Receiver
from openlp.core.resources import qInitResources
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from openlp.core.ui.mainwindow import MainWindow
from openlp.core.ui.exceptionform import ExceptionForm
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from openlp.core.ui import SplashScreen, ScreenList
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from openlp.core.utils import AppLocation, LanguageManager, VersionThread
log = logging.getLogger()
application_stylesheet = u"""
QMainWindow::separator
{
border: none;
}
QDockWidget::title
{
border: 1px solid palette(dark);
padding-left: 5px;
padding-top: 2px;
margin: 1px 0;
}
QToolBar
{
border: none;
margin: 0;
padding: 0;
}
"""
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class OpenLP(QtGui.QApplication):
"""
The core application class. This class inherits from Qt's QApplication
class in order to provide the core of the application.
"""
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log.info(u'OpenLP Application Loaded')
def notify(self, obj, evt):
#TODO needed for presentation exceptions
return QtGui.QApplication.notify(self, obj, evt)
def run(self):
"""
Run the OpenLP application.
"""
#Load and store current Application Version
filepath = AppLocation.get_directory(AppLocation.VersionDir)
filepath = os.path.join(filepath, u'.version')
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fversion = None
try:
fversion = open(filepath, u'r')
for line in fversion:
full_version = unicode(line).rstrip() #\
#.replace(u'\r', u'').replace(u'\n', u'')
bits = full_version.split(u'-')
app_version = {
u'full': full_version,
u'version': bits[0],
u'build': bits[1] if len(bits) > 1 else None
}
if app_version[u'build']:
log.info(
u'Openlp version %s build %s',
app_version[u'version'],
app_version[u'build']
)
else:
log.info(u'Openlp version %s' % app_version[u'version'])
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except IOError:
log.exception('Error in version file.')
app_version = {
u'full': u'1.9.0-bzr000',
u'version': u'1.9.0',
u'build': u'bzr000'
}
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finally:
if fversion:
fversion.close()
#provide a listener for widgets to reqest a screen update.
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'openlp_process_events'), self.processEvents)
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self.setOrganizationName(u'OpenLP')
self.setOrganizationDomain(u'openlp.org')
self.setApplicationName(u'OpenLP')
self.setApplicationVersion(app_version[u'version'])
if os.name == u'nt':
self.setStyleSheet(application_stylesheet)
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show_splash = QtCore.QSettings().value(
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u'general/show splash', QtCore.QVariant(True)).toBool()
if show_splash:
self.splash = SplashScreen()
self.splash.show()
# make sure Qt really display the splash screen
self.processEvents()
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screens = ScreenList()
# Decide how many screens we have and their size
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for screen in xrange(0, self.desktop().numScreens()):
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size = self.desktop().screenGeometry(screen);
screens.add_screen({u'number': screen,
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u'size': size,
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u'primary': (self.desktop().primaryScreen() == screen)})
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log.info(u'Screen %d found with resolution %s', screen, size)
# start the main app window
self.mainWindow = MainWindow(screens, app_version)
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self.mainWindow.show()
if show_splash:
# now kill the splashscreen
self.splash.finish(self.mainWindow)
self.mainWindow.repaint()
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VersionThread(self.mainWindow, app_version).start()
return self.exec_()
def hookException(self, exctype, value, traceback):
if not hasattr(self, u'mainWindow'):
log.exception(''.join(format_exception(exctype, value, traceback)))
return
if not hasattr(self, u'exceptionForm'):
self.exceptionForm = ExceptionForm(self.mainWindow)
self.exceptionForm.exceptionTextEdit.setPlainText(
''.join(format_exception(exctype, value, traceback)))
self.exceptionForm.exec_()
def main():
"""
The main function which parses command line options and then runs
the PyQt4 Application.
"""
# Set up command line options.
usage = u'Usage: %prog [options] [qt-options]'
parser = OptionParser(usage=usage)
parser.add_option(u'-e', u'--no-error-form', dest=u'no_error_form',
action=u'store_true', help=u'Disable the error notification form.')
parser.add_option(u'-l', u'--log-level', dest=u'loglevel',
default=u'warning', metavar=u'LEVEL', help=u'Set logging to LEVEL '
u'level. Valid values are "debug", "info", "warning".')
parser.add_option(u'-p', u'--portable', dest=u'portable',
action=u'store_true', help=u'Specify if this should be run as a '
u'portable app, off a USB flash drive (not implemented).')
parser.add_option(u'-s', u'--style', dest=u'style',
help=u'Set the Qt4 style (passed directly to Qt4).')
# Set up logging
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log_path = AppLocation.get_directory(AppLocation.CacheDir)
if not os.path.exists(log_path):
os.makedirs(log_path)
filename = os.path.join(log_path, u'openlp.log')
logfile = logging.FileHandler(filename, u'w')
logfile.setFormatter(logging.Formatter(
u'%(asctime)s %(name)-55s %(levelname)-8s %(message)s'))
log.addHandler(logfile)
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logging.addLevelName(15, u'Timer')
# Parse command line options and deal with them.
(options, args) = parser.parse_args()
qt_args = []
if options.loglevel.lower() in ['d', 'debug']:
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log.setLevel(logging.DEBUG)
print 'Logging to:', filename
elif options.loglevel.lower() in ['w', 'warning']:
log.setLevel(logging.WARNING)
else:
log.setLevel(logging.INFO)
if options.style:
qt_args.extend(['-style', options.style])
# Throw the rest of the arguments at Qt, just in case.
qt_args.extend(args)
# Initialise the resources
qInitResources()
# Now create and actually run the application.
app = OpenLP(qt_args)
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#i18n Set Language
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language = LanguageManager.get_language()
appTranslator = LanguageManager.get_translator(language)
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app.installTranslator(appTranslator)
if not options.no_error_form:
sys.excepthook = app.hookException
sys.exit(app.run())
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if __name__ == u'__main__':
"""
Instantiate and run the application.
"""
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main()