#!/usr/bin/env python # -*- coding: utf-8 -*- # vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4 ############################################################################### # OpenLP - Open Source Lyrics Projection # # --------------------------------------------------------------------------- # # Copyright (c) 2008-2011 Raoul Snyman # # Portions copyright (c) 2008-2011 Tim Bentley, Jonathan Corwin, Michael # # 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 import logging from optparse import OptionParser from traceback import format_exception from subprocess import Popen, PIPE from PyQt4 import QtCore, QtGui from openlp.core.lib import Receiver, check_directory_exists from openlp.core.resources import qInitResources from openlp.core.ui.mainwindow import MainWindow from openlp.core.ui.exceptionform import ExceptionForm from openlp.core.ui import SplashScreen, ScreenList 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; } """ 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. """ log.info(u'OpenLP Application Loaded') def _get_version(self): """ Load and store current Application Version """ if u'--dev-version' in sys.argv or u'-d' in sys.argv: # If we're running the dev version, let's use bzr to get the version try: # If bzrlib is availble, use it from bzrlib.branch import Branch b = Branch.open_containing('.')[0] b.lock_read() try: # Get the branch's latest revision number. revno = b.revno() # Convert said revision number into a bzr revision id. revision_id = b.dotted_revno_to_revision_id((revno,)) # Get a dict of tags, with the revision id as the key. tags = b.tags.get_reverse_tag_dict() # Check if the latest if revision_id in tags: full_version = u'%s' % tags[revision_id][0] else: full_version = '%s-bzr%s' % \ (sorted(b.tags.get_tag_dict().keys())[-1], revno) finally: b.unlock() except: # Otherwise run the command line bzr client bzr = Popen((u'bzr', u'tags', u'--sort', u'time'), stdout=PIPE) output, error = bzr.communicate() code = bzr.wait() if code != 0: raise Exception(u'Error running bzr tags') lines = output.splitlines() if len(lines) == 0: tag = u'0.0.0' revision = u'0' else: tag, revision = lines[-1].split() bzr = Popen((u'bzr', u'log', u'--line', u'-r', u'-1'), stdout=PIPE) output, error = bzr.communicate() code = bzr.wait() if code != 0: raise Exception(u'Error running bzr log') latest = output.split(u':')[0] full_version = latest == revision and tag or \ u'%s-bzr%s' % (tag, latest) else: # We're not running the development version, let's use the file filepath = AppLocation.get_directory(AppLocation.VersionDir) filepath = os.path.join(filepath, u'.version') fversion = None try: fversion = open(filepath, u'r') full_version = unicode(fversion.read()).rstrip() except IOError: log.exception('Error in version file.') full_version = u'0.0.0-bzr000' finally: if fversion: fversion.close() 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']) return app_version # def notify(self, obj, evt): # #TODO needed for presentation exceptions # return QtGui.QApplication.notify(self, obj, evt) def run(self): """ Run the OpenLP application. """ app_version = self._get_version() # provide a listener for widgets to reqest a screen update. QtCore.QObject.connect(Receiver.get_receiver(), QtCore.SIGNAL(u'openlp_process_events'), self.processEvents) QtCore.QObject.connect(Receiver.get_receiver(), QtCore.SIGNAL(u'cursor_busy'), self.setBusyCursor) QtCore.QObject.connect(Receiver.get_receiver(), QtCore.SIGNAL(u'cursor_normal'), self.setNormalCursor) 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) show_splash = QtCore.QSettings().value( 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() screens = ScreenList() # Decide how many screens we have and their size for screen in xrange(0, self.desktop().numScreens()): size = self.desktop().screenGeometry(screen) screens.add_screen({u'number': screen, u'size': size, u'primary': (self.desktop().primaryScreen() == screen)}) log.info(u'Screen %d found with resolution %s', screen, size) # start the main app window self.appClipboard = self.clipboard() self.mainWindow = MainWindow(screens, app_version, self.appClipboard) self.mainWindow.show() if show_splash: # now kill the splashscreen self.splash.finish(self.mainWindow) self.mainWindow.repaint() update_check = QtCore.QSettings().value( u'general/update check', QtCore.QVariant(True)).toBool() if update_check: 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.setNormalCursor() self.exceptionForm.exec_() def setBusyCursor(self): """ Sets the Busy Cursor for the Application """ self.setOverrideCursor(QtCore.Qt.BusyCursor) self.processEvents() def setNormalCursor(self): """ Sets the Normal Cursor for the Application """ self.restoreOverrideCursor() def main(): """ The main function which parses command line options and then runs the PyQt4 Application. """ # Set up command line options. usage = 'Usage: %prog [options] [qt-options]' parser = OptionParser(usage=usage) parser.add_option('-e', '--no-error-form', dest='no_error_form', action='store_true', help='Disable the error notification form.') parser.add_option('-l', '--log-level', dest='loglevel', default='warning', metavar='LEVEL', help='Set logging to LEVEL ' 'level. Valid values are "debug", "info", "warning".') parser.add_option('-p', '--portable', dest='portable', action='store_true', help='Specify if this should be run as a ' 'portable app, off a USB flash drive (not implemented).') parser.add_option('-d', '--dev-version', dest='dev_version', action='store_true', help='Ignore the version file and pull the ' 'version directly from Bazaar') parser.add_option('-s', '--style', dest='style', help='Set the Qt4 style (passed directly to Qt4).') # Set up logging log_path = AppLocation.get_directory(AppLocation.CacheDir) check_directory_exists(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) 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']: 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) #i18n Set Language language = LanguageManager.get_language() appTranslator = LanguageManager.get_translator(language) app.installTranslator(appTranslator) if not options.no_error_form: sys.excepthook = app.hookException sys.exit(app.run()) if __name__ == u'__main__': """ Instantiate and run the application. """ main()