forked from openlp/openlp
423 lines
19 KiB
Python
423 lines
19 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2018 OpenLP Developers #
|
|
# --------------------------------------------------------------------------- #
|
|
# 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 #
|
|
###############################################################################
|
|
|
|
"""
|
|
The :mod:`core` module provides all core application functions
|
|
|
|
All the core functions of the OpenLP application including the GUI, settings,
|
|
logging and a plugin framework are contained within the openlp.core module.
|
|
"""
|
|
import argparse
|
|
import logging
|
|
import sys
|
|
import time
|
|
from datetime import datetime
|
|
from traceback import format_exception
|
|
|
|
from PyQt5 import QtCore, QtWebEngineWidgets, QtWidgets # noqa
|
|
|
|
from openlp.core.common import is_macosx, is_win
|
|
from openlp.core.common.applocation import AppLocation
|
|
from openlp.core.common.i18n import LanguageManager, UiStrings, translate
|
|
from openlp.core.common.path import copytree, create_paths
|
|
from openlp.core.common.registry import Registry
|
|
from openlp.core.common.settings import Settings
|
|
from openlp.core.display.screens import ScreenList
|
|
from openlp.core.resources import qInitResources
|
|
from openlp.core.server import Server
|
|
from openlp.core.ui.exceptionform import ExceptionForm
|
|
from openlp.core.ui.firsttimeform import FirstTimeForm
|
|
from openlp.core.ui.firsttimelanguageform import FirstTimeLanguageForm
|
|
from openlp.core.ui.mainwindow import MainWindow
|
|
from openlp.core.ui.splashscreen import SplashScreen
|
|
from openlp.core.ui.style import get_application_stylesheet
|
|
from openlp.core.version import check_for_update, get_version
|
|
|
|
|
|
__all__ = ['OpenLP', 'main']
|
|
|
|
|
|
log = logging.getLogger()
|
|
|
|
|
|
class OpenLP(QtWidgets.QApplication):
|
|
"""
|
|
The core application class. This class inherits from Qt's QApplication
|
|
class in order to provide the core of the application.
|
|
"""
|
|
args = []
|
|
worker_threads = {}
|
|
|
|
def exec(self):
|
|
"""
|
|
Override exec method to allow the shared memory to be released on exit
|
|
"""
|
|
self.is_event_loop_active = True
|
|
result = QtWidgets.QApplication.exec()
|
|
if hasattr(self, 'server'):
|
|
self.server.close_server()
|
|
return result
|
|
|
|
def run(self, args):
|
|
"""
|
|
Run the OpenLP application.
|
|
|
|
:param args: Some Args
|
|
"""
|
|
self.is_event_loop_active = False
|
|
# On Windows, the args passed into the constructor are ignored. Not very handy, so set the ones we want to use.
|
|
# On Linux and FreeBSD, in order to set the WM_CLASS property for X11, we pass "OpenLP" in as a command line
|
|
# argument. This interferes with files being passed in as command line arguments, so we remove it from the list.
|
|
if 'OpenLP' in args:
|
|
args.remove('OpenLP')
|
|
self.args.extend(args)
|
|
# Decide how many screens we have and their size
|
|
screens = ScreenList.create(self.desktop())
|
|
# First time checks in settings
|
|
has_run_wizard = Settings().value('core/has run wizard')
|
|
if not has_run_wizard:
|
|
ftw = FirstTimeForm()
|
|
ftw.initialize(screens)
|
|
if ftw.exec() == QtWidgets.QDialog.Accepted:
|
|
Settings().setValue('core/has run wizard', True)
|
|
elif ftw.was_cancelled:
|
|
QtCore.QCoreApplication.exit()
|
|
sys.exit()
|
|
# Correct stylesheet bugs
|
|
application_stylesheet = get_application_stylesheet()
|
|
if application_stylesheet:
|
|
self.setStyleSheet(application_stylesheet)
|
|
can_show_splash = Settings().value('core/show splash')
|
|
if can_show_splash:
|
|
self.splash = SplashScreen()
|
|
self.splash.show()
|
|
# make sure Qt really display the splash screen
|
|
self.processEvents()
|
|
# Check if OpenLP has been upgrade and if a backup of data should be created
|
|
self.backup_on_upgrade(has_run_wizard, can_show_splash)
|
|
# start the main app window
|
|
self.main_window = MainWindow()
|
|
Registry().execute('bootstrap_initialise')
|
|
Registry().execute('bootstrap_post_set_up')
|
|
Registry().initialise = False
|
|
self.main_window.show()
|
|
if can_show_splash:
|
|
# now kill the splashscreen
|
|
log.debug('Splashscreen closing')
|
|
self.splash.close()
|
|
log.debug('Splashscreen closed')
|
|
# make sure Qt really display the splash screen
|
|
self.processEvents()
|
|
self.main_window.repaint()
|
|
self.processEvents()
|
|
if not has_run_wizard:
|
|
self.main_window.first_time()
|
|
if Settings().value('core/update check'):
|
|
check_for_update(self.main_window)
|
|
self.main_window.is_display_blank()
|
|
self.main_window.app_startup()
|
|
return self.exec()
|
|
|
|
@staticmethod
|
|
def is_already_running():
|
|
"""
|
|
Tell the user there is a 2nd instance running.
|
|
"""
|
|
QtWidgets.QMessageBox.critical(None, UiStrings().Error, UiStrings().OpenLPStart,
|
|
QtWidgets.QMessageBox.StandardButtons(QtWidgets.QMessageBox.Ok))
|
|
|
|
@staticmethod
|
|
def is_data_path_missing():
|
|
"""
|
|
Check if the data folder path exists.
|
|
"""
|
|
data_folder_path = AppLocation.get_data_path()
|
|
if not data_folder_path.exists():
|
|
log.critical('Database was not found in: %s', data_folder_path)
|
|
status = QtWidgets.QMessageBox.critical(
|
|
None, translate('OpenLP', 'Data Directory Error'),
|
|
translate('OpenLP', 'OpenLP data folder was not found in:\n\n{path}\n\nThe location of the data folder '
|
|
'was previously changed from the OpenLP\'s default location. If the data was '
|
|
'stored on removable device, that device needs to be made available.\n\nYou may '
|
|
'reset the data location back to the default location, or you can try to make the '
|
|
'current location available.\n\nDo you want to reset to the default data location? '
|
|
'If not, OpenLP will be closed so you can try to fix the the problem.')
|
|
.format(path=data_folder_path),
|
|
QtWidgets.QMessageBox.StandardButtons(QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No),
|
|
QtWidgets.QMessageBox.No)
|
|
if status == QtWidgets.QMessageBox.No:
|
|
# If answer was "No", return "True", it will shutdown OpenLP in def main
|
|
log.info('User requested termination')
|
|
return True
|
|
# If answer was "Yes", remove the custom data path thus resetting the default location.
|
|
Settings().remove('advanced/data path')
|
|
log.info('Database location has been reset to the default settings.')
|
|
return False
|
|
|
|
def hook_exception(self, exc_type, value, traceback):
|
|
"""
|
|
Add an exception hook so that any uncaught exceptions are displayed in this window rather than somewhere where
|
|
users cannot see it and cannot report when we encounter these problems.
|
|
|
|
:param exc_type: The class of exception.
|
|
:param value: The actual exception object.
|
|
:param traceback: A traceback object with the details of where the exception occurred.
|
|
"""
|
|
# We can't log.exception here because the last exception no longer exists, we're actually busy handling it.
|
|
log.critical(''.join(format_exception(exc_type, value, traceback)))
|
|
if not hasattr(self, 'exception_form'):
|
|
self.exception_form = ExceptionForm()
|
|
self.exception_form.exception_text_edit.setPlainText(''.join(format_exception(exc_type, value, traceback)))
|
|
self.set_normal_cursor()
|
|
is_splash_visible = False
|
|
if hasattr(self, 'splash') and self.splash.isVisible():
|
|
is_splash_visible = True
|
|
self.splash.hide()
|
|
self.exception_form.exec()
|
|
if is_splash_visible:
|
|
self.splash.show()
|
|
|
|
def backup_on_upgrade(self, has_run_wizard, can_show_splash):
|
|
"""
|
|
Check if OpenLP has been upgraded, and ask if a backup of data should be made
|
|
|
|
:param has_run_wizard: OpenLP has been run before
|
|
:param can_show_splash: Should OpenLP show the splash screen
|
|
"""
|
|
data_version = Settings().value('core/application version')
|
|
openlp_version = get_version()['version']
|
|
# New installation, no need to create backup
|
|
if not has_run_wizard:
|
|
Settings().setValue('core/application version', openlp_version)
|
|
# If data_version is different from the current version ask if we should backup the data folder
|
|
elif data_version != openlp_version:
|
|
if can_show_splash and self.splash.isVisible():
|
|
self.splash.hide()
|
|
if QtWidgets.QMessageBox.question(None, translate('OpenLP', 'Backup'),
|
|
translate('OpenLP', 'OpenLP has been upgraded, do you want to create\n'
|
|
'a backup of the old data folder?'),
|
|
defaultButton=QtWidgets.QMessageBox.Yes) == QtWidgets.QMessageBox.Yes:
|
|
# Create copy of data folder
|
|
data_folder_path = AppLocation.get_data_path()
|
|
timestamp = time.strftime("%Y%m%d-%H%M%S")
|
|
data_folder_backup_path = data_folder_path.with_name(data_folder_path.name + '-' + timestamp)
|
|
try:
|
|
copytree(data_folder_path, data_folder_backup_path)
|
|
except OSError:
|
|
QtWidgets.QMessageBox.warning(None, translate('OpenLP', 'Backup'),
|
|
translate('OpenLP', 'Backup of the data folder failed!'))
|
|
return
|
|
message = translate('OpenLP',
|
|
'A backup of the data folder has been created at:\n\n'
|
|
'{text}').format(text=data_folder_backup_path)
|
|
QtWidgets.QMessageBox.information(None, translate('OpenLP', 'Backup'), message)
|
|
|
|
# Update the version in the settings
|
|
Settings().setValue('core/application version', openlp_version)
|
|
if can_show_splash:
|
|
self.splash.show()
|
|
|
|
def process_events(self):
|
|
"""
|
|
Wrapper to make ProcessEvents visible and named correctly
|
|
"""
|
|
self.processEvents()
|
|
|
|
def set_busy_cursor(self):
|
|
"""
|
|
Sets the Busy Cursor for the Application
|
|
"""
|
|
self.setOverrideCursor(QtCore.Qt.BusyCursor)
|
|
self.processEvents()
|
|
|
|
def set_normal_cursor(self):
|
|
"""
|
|
Sets the Normal Cursor for the Application
|
|
"""
|
|
self.restoreOverrideCursor()
|
|
self.processEvents()
|
|
|
|
def event(self, event):
|
|
"""
|
|
Enables platform specific event handling i.e. direct file opening on OS X
|
|
|
|
:param event: The event
|
|
"""
|
|
if event.type() == QtCore.QEvent.FileOpen:
|
|
file_name = event.file()
|
|
log.debug('Got open file event for {name}!'.format(name=file_name))
|
|
self.args.insert(0, file_name)
|
|
return True
|
|
# Mac OS X should restore app window when user clicked on the OpenLP icon
|
|
# in the Dock bar. However, OpenLP consists of multiple windows and this
|
|
# does not work. This workaround fixes that.
|
|
# The main OpenLP window is restored when it was previously minimized.
|
|
elif event.type() == QtCore.QEvent.ApplicationActivate:
|
|
if is_macosx() and hasattr(self, 'main_window'):
|
|
if self.main_window.isMinimized():
|
|
# Copied from QWidget.setWindowState() docs on how to restore and activate a minimized window
|
|
# while preserving its maximized and/or full-screen state.
|
|
self.main_window.setWindowState(self.main_window.windowState() & ~QtCore.Qt.WindowMinimized |
|
|
QtCore.Qt.WindowActive)
|
|
return True
|
|
return QtWidgets.QApplication.event(self, event)
|
|
|
|
|
|
def parse_options(args=None):
|
|
"""
|
|
Parse the command line arguments
|
|
|
|
:param args: list of command line arguments
|
|
:return: a tuple of parsed options of type optparse.Value and a list of remaining argsZ
|
|
"""
|
|
# Set up command line options.
|
|
parser = argparse.ArgumentParser(prog='openlp')
|
|
parser.add_argument('-e', '--no-error-form', dest='no_error_form', action='store_true',
|
|
help='Disable the error notification form.')
|
|
parser.add_argument('-l', '--log-level', dest='loglevel', default='warning', metavar='LEVEL',
|
|
help='Set logging to LEVEL level. Valid values are "debug", "info", "warning".')
|
|
parser.add_argument('-p', '--portable', dest='portable', action='store_true',
|
|
help='Specify if this should be run as a portable app, ')
|
|
parser.add_argument('-w', '--no-web-server', dest='no_web_server', action='store_true',
|
|
help='Turn off the Web and Socket Server ')
|
|
parser.add_argument('rargs', nargs='?', default=[])
|
|
# Parse command line options and deal with them. Use args supplied pragmatically if possible.
|
|
return parser.parse_args(args) if args else parser.parse_args()
|
|
|
|
|
|
def set_up_logging(log_path):
|
|
"""
|
|
Setup our logging using log_path
|
|
|
|
:param openlp.core.common.path.Path log_path: The file to save the log to.
|
|
:rtype: None
|
|
"""
|
|
create_paths(log_path, do_not_log=True)
|
|
file_path = log_path / 'openlp.log'
|
|
# TODO: FileHandler accepts a Path object in Py3.6
|
|
logfile = logging.FileHandler(str(file_path), 'w', encoding='UTF-8')
|
|
logfile.setFormatter(logging.Formatter('%(asctime)s %(threadName)s %(name)-55s %(levelname)-8s %(message)s'))
|
|
log.addHandler(logfile)
|
|
if log.isEnabledFor(logging.DEBUG):
|
|
print('Logging to: {name}'.format(name=file_path))
|
|
|
|
|
|
def main(args=None):
|
|
"""
|
|
The main function which parses command line options and then runs
|
|
|
|
:param args: Some args
|
|
"""
|
|
args = parse_options(args)
|
|
qt_args = ['--disable-web-security']
|
|
# qt_args = []
|
|
if args and args.loglevel.lower() in ['d', 'debug']:
|
|
log.setLevel(logging.DEBUG)
|
|
elif args and args.loglevel.lower() in ['w', 'warning']:
|
|
log.setLevel(logging.WARNING)
|
|
else:
|
|
log.setLevel(logging.INFO)
|
|
# Throw the rest of the arguments at Qt, just in case.
|
|
qt_args.extend(args.rargs)
|
|
# Bug #1018855: Set the WM_CLASS property in X11
|
|
if not is_win() and not is_macosx():
|
|
qt_args.append('OpenLP')
|
|
# Initialise the resources
|
|
qInitResources()
|
|
# Now create and actually run the application.
|
|
application = OpenLP(qt_args)
|
|
application.setOrganizationName('OpenLP')
|
|
application.setOrganizationDomain('openlp.org')
|
|
application.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps, True)
|
|
application.setAttribute(QtCore.Qt.AA_DontCreateNativeWidgetSiblings, True)
|
|
if args.portable:
|
|
application.setApplicationName('OpenLPPortable')
|
|
Settings.setDefaultFormat(Settings.IniFormat)
|
|
# Get location OpenLPPortable.ini
|
|
portable_path = (AppLocation.get_directory(AppLocation.AppDir) / '..' / '..').resolve()
|
|
data_path = portable_path / 'Data'
|
|
set_up_logging(portable_path / 'Other')
|
|
log.info('Running portable')
|
|
portable_settings_path = data_path / 'OpenLP.ini'
|
|
# Make this our settings file
|
|
log.info('INI file: {name}'.format(name=portable_settings_path))
|
|
Settings.set_filename(str(portable_settings_path))
|
|
portable_settings = Settings()
|
|
# Set our data path
|
|
log.info('Data path: {name}'.format(name=data_path))
|
|
# Point to our data path
|
|
portable_settings.setValue('advanced/data path', data_path)
|
|
portable_settings.setValue('advanced/is portable', True)
|
|
portable_settings.sync()
|
|
else:
|
|
application.setApplicationName('OpenLP')
|
|
set_up_logging(AppLocation.get_directory(AppLocation.CacheDir))
|
|
Registry.create()
|
|
Registry().register('application', application)
|
|
Registry().set_flag('no_web_server', args.no_web_server)
|
|
application.setApplicationVersion(get_version()['version'])
|
|
# Check if an instance of OpenLP is already running. Quit if there is a running instance and the user only wants one
|
|
server = Server()
|
|
if server.is_another_instance_running():
|
|
application.is_already_running()
|
|
server.post_to_server(qt_args)
|
|
sys.exit()
|
|
else:
|
|
server.start_server()
|
|
application.server = server
|
|
# If the custom data path is missing and the user wants to restore the data path, quit OpenLP.
|
|
if application.is_data_path_missing():
|
|
server.close_server()
|
|
sys.exit()
|
|
# Upgrade settings.
|
|
settings = Settings()
|
|
if settings.can_upgrade():
|
|
now = datetime.now()
|
|
# Only back up if OpenLP has previously run.
|
|
if settings.value('core/has run wizard'):
|
|
back_up_path = AppLocation.get_data_path() / (now.strftime('%Y-%m-%d %H-%M') + '.conf')
|
|
log.info('Settings about to be upgraded. Existing settings are being backed up to {back_up_path}'
|
|
.format(back_up_path=back_up_path))
|
|
QtWidgets.QMessageBox.information(
|
|
None, translate('OpenLP', 'Settings Upgrade'),
|
|
translate('OpenLP', 'Your settings are about to be upgraded. A backup will be created at '
|
|
'{back_up_path}').format(back_up_path=back_up_path))
|
|
settings.export(back_up_path)
|
|
settings.upgrade_settings()
|
|
# First time checks in settings
|
|
if not Settings().value('core/has run wizard'):
|
|
if not FirstTimeLanguageForm().exec():
|
|
# if cancel then stop processing
|
|
server.close_server()
|
|
sys.exit()
|
|
# i18n Set Language
|
|
language = LanguageManager.get_language()
|
|
translators = LanguageManager.get_translators(language)
|
|
for translator in translators:
|
|
if not translator.isEmpty():
|
|
application.installTranslator(translator)
|
|
if not translators:
|
|
log.debug('Could not find translators.')
|
|
if args and not args.no_error_form:
|
|
sys.excepthook = application.hook_exception
|
|
sys.exit(application.run(qt_args))
|