forked from openlp/openlp
285 lines
11 KiB
Python
Executable File
285 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2011 Raoul Snyman #
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# Portions copyright (c) 2008-2011 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
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# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
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# Carsten Tinggaard, Frode Woldsund #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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import os
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import sys
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import logging
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from optparse import OptionParser
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from traceback import format_exception
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from subprocess import Popen, PIPE
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import Receiver
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from openlp.core.resources import qInitResources
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from openlp.core.ui.mainwindow import MainWindow
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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
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log = logging.getLogger()
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application_stylesheet = u"""
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QMainWindow::separator
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{
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border: none;
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}
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QDockWidget::title
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{
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border: 1px solid palette(dark);
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padding-left: 5px;
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padding-top: 2px;
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margin: 1px 0;
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}
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QToolBar
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{
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border: none;
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margin: 0;
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padding: 0;
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}
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"""
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class OpenLP(QtGui.QApplication):
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"""
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The core application class. This class inherits from Qt's QApplication
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class in order to provide the core of the application.
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"""
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log.info(u'OpenLP Application Loaded')
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def _get_version(self):
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"""
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Load and store current Application Version
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"""
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if u'--dev-version' in sys.argv:
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# If we're running the dev version, let's use bzr to get the version
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try:
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# If bzrlib is availble, use it
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from bzrlib.branch import Branch
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b = Branch.open_containing('.')[0]
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b.lock_read()
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try:
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# Get the branch's latest revision number.
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revno = b.revno()
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# Convert said revision number into a bzr revision id.
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revision_id = b.dotted_revno_to_revision_id((revno,))
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# Get a dict of tags, with the revision id as the key.
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tags = b.tags.get_reverse_tag_dict()
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# Check if the latest
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if revision_id in tags:
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full_version = u'%s' % tags[revision_id][0]
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else:
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full_version = '%s-bzr%s' % \
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(sorted(b.tags.get_tag_dict().keys())[-1], revno)
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finally:
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b.unlock()
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except:
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# Otherwise run the command line bzr client
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bzr = Popen((u'bzr', u'tags', u'--sort', u'time'), stdout=PIPE)
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output, error = bzr.communicate()
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code = bzr.wait()
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if code != 0:
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raise Exception(u'Error running bzr tags')
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lines = output.splitlines()
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if len(lines) == 0:
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tag = u'0.0.0'
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revision = u'0'
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else:
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tag, revision = lines[-1].split()
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bzr = Popen((u'bzr', u'log', u'--line', u'-r', u'-1'),
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stdout=PIPE)
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output, error = bzr.communicate()
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code = bzr.wait()
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if code != 0:
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raise Exception(u'Error running bzr log')
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latest = output.split(u':')[0]
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full_version = latest == revision and tag or \
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u'%s-bzr%s' % (tag, latest)
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else:
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# We're not running the development version, let's use the file
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filepath = AppLocation.get_directory(AppLocation.VersionDir)
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filepath = os.path.join(filepath, u'.version')
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fversion = None
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try:
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fversion = open(filepath, u'r')
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full_version = unicode(fversion.read()).rstrip()
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except IOError:
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log.exception('Error in version file.')
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full_version = u'0.0.0-bzr000'
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finally:
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if fversion:
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fversion.close()
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bits = full_version.split(u'-')
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app_version = {
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u'full': full_version,
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u'version': bits[0],
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u'build': bits[1] if len(bits) > 1 else None
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}
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if app_version[u'build']:
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log.info(
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u'Openlp version %s build %s',
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app_version[u'version'],
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app_version[u'build']
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)
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else:
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log.info(u'Openlp version %s' % app_version[u'version'])
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return app_version
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def notify(self, obj, evt):
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#TODO needed for presentation exceptions
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return QtGui.QApplication.notify(self, obj, evt)
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def run(self):
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"""
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Run the OpenLP application.
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"""
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app_version = self._get_version()
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#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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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'cursor_busy'), self.setBusyCursor)
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'cursor_normal'), self.setNormalCursor)
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self.setOrganizationName(u'OpenLP')
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self.setOrganizationDomain(u'openlp.org')
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self.setApplicationName(u'OpenLP')
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self.setApplicationVersion(app_version[u'version'])
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if os.name == u'nt':
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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()
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if show_splash:
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self.splash = SplashScreen()
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self.splash.show()
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# make sure Qt really display the splash screen
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self.processEvents()
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screens = ScreenList()
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# 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);
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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)
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# start the main app window
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self.mainWindow = MainWindow(screens, app_version)
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self.mainWindow.show()
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if show_splash:
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# now kill the splashscreen
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self.splash.finish(self.mainWindow)
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self.mainWindow.repaint()
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VersionThread(self.mainWindow, app_version).start()
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return self.exec_()
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def hookException(self, exctype, value, traceback):
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if not hasattr(self, u'mainWindow'):
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log.exception(''.join(format_exception(exctype, value, traceback)))
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return
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if not hasattr(self, u'exceptionForm'):
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self.exceptionForm = ExceptionForm(self.mainWindow)
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self.exceptionForm.exceptionTextEdit.setPlainText(
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''.join(format_exception(exctype, value, traceback)))
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self.setNormalCursor()
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self.exceptionForm.exec_()
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def setBusyCursor(self):
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"""
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Sets the Busy Cursor for the Application
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"""
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self.setOverrideCursor(QtCore.Qt.BusyCursor)
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def setNormalCursor(self):
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"""
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Sets the Normal Cursor forthe Application
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"""
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self.restoreOverrideCursor()
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def main():
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"""
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The main function which parses command line options and then runs
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the PyQt4 Application.
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"""
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# Set up command line options.
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usage = 'Usage: %prog [options] [qt-options]'
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parser = OptionParser(usage=usage)
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parser.add_option('-e', '--no-error-form', dest='no_error_form',
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action='store_true', help='Disable the error notification form.')
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parser.add_option('-l', '--log-level', dest='loglevel',
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default='warning', metavar='LEVEL', help='Set logging to LEVEL '
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'level. Valid values are "debug", "info", "warning".')
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parser.add_option('-p', '--portable', dest='portable',
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action='store_true', help='Specify if this should be run as a '
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'portable app, off a USB flash drive (not implemented).')
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parser.add_option('-d', '--dev-version', dest='dev_version',
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action='store_true', help='Ignore the version file and pull the '
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'version directly from Bazaar')
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parser.add_option('-s', '--style', dest='style',
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help='Set the Qt4 style (passed directly to Qt4).')
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# Set up logging
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log_path = AppLocation.get_directory(AppLocation.CacheDir)
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if not os.path.exists(log_path):
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os.makedirs(log_path)
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filename = os.path.join(log_path, u'openlp.log')
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logfile = logging.FileHandler(filename, u'w')
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logfile.setFormatter(logging.Formatter(
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u'%(asctime)s %(name)-55s %(levelname)-8s %(message)s'))
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log.addHandler(logfile)
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logging.addLevelName(15, u'Timer')
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# Parse command line options and deal with them.
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(options, args) = parser.parse_args()
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qt_args = []
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if options.loglevel.lower() in ['d', 'debug']:
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log.setLevel(logging.DEBUG)
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print 'Logging to:', filename
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elif options.loglevel.lower() in ['w', 'warning']:
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log.setLevel(logging.WARNING)
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else:
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log.setLevel(logging.INFO)
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if options.style:
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qt_args.extend(['-style', options.style])
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# Throw the rest of the arguments at Qt, just in case.
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qt_args.extend(args)
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# Initialise the resources
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qInitResources()
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# Now create and actually run the application.
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app = OpenLP(qt_args)
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#i18n Set Language
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language = LanguageManager.get_language()
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appTranslator = LanguageManager.get_translator(language)
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app.installTranslator(appTranslator)
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if not options.no_error_form:
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sys.excepthook = app.hookException
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sys.exit(app.run())
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if __name__ == u'__main__':
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"""
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Instantiate and run the application.
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"""
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main()
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