Veronica Berglyd Olsen
250 lines
7.6 KiB
Python
250 lines
7.6 KiB
Python
"""
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novelWriter – Init File
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=======================
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File History:
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Created: 2018-09-22 [0.0.1]
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This file is a part of novelWriter
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Copyright 2018–2024, Veronica Berglyd Olsen
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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from __future__ import annotations
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import getopt
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import logging
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import sys
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from typing import TYPE_CHECKING
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from PyQt5.QtWidgets import QApplication, QErrorMessage
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from novelwriter.config import Config
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from novelwriter.error import exceptionHandler, logException
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from novelwriter.shared import SharedData
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if TYPE_CHECKING: # pragma: no cover
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from novelwriter.guimain import GuiMain
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# Package Meta
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# ============
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__package__ = "novelwriter"
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__copyright__ = "Copyright 2018–2024, Veronica Berglyd Olsen"
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__license__ = "GPLv3"
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__author__ = "Veronica Berglyd Olsen"
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__maintainer__ = "Veronica Berglyd Olsen"
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__email__ = "code@vkbo.net"
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__version__ = "2.4"
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__hexversion__ = "0x020400f0"
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__date__ = "2024-04-20"
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__status__ = "Stable"
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__domain__ = "novelwriter.io"
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logger = logging.getLogger(__name__)
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##
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# Main Program
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##
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# Global config and data singletons
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CONFIG = Config()
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SHARED = SharedData()
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def main(sysArgs: list | None = None) -> GuiMain | None:
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"""Parse command line, set up logging, and launch main GUI."""
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if sysArgs is None:
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sysArgs = sys.argv[1:]
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# Valid Input Options
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shortOpt = "hv"
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longOpt = [
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"help",
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"version",
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"info",
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"debug",
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"style=",
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"config=",
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"data=",
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"testmode",
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"meminfo"
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]
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helpMsg = (
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f"novelWriter {__version__} ({__date__})\n"
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f"{__copyright__}\n"
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"\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public Licence for more details.\n"
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"\n"
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"Usage:\n"
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" -h, --help Print this message.\n"
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" -v, --version Print program version and exit.\n"
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" --info Print additional runtime information.\n"
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" --debug Print debug output. Includes --info.\n"
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" --meminfo Show memory usage information in the status bar.\n"
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" --style= Sets Qt5 style flag. Defaults to 'Fusion'.\n"
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" --config= Alternative config file.\n"
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" --data= Alternative user data path.\n"
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)
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# Defaults
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logLevel = logging.WARN
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logFormat = "{levelname:8} {message:}"
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confPath = None
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dataPath = None
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testMode = False
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qtStyle = "Fusion"
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cmdOpen = None
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# Parse Options
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try:
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inOpts, inRemain = getopt.getopt(sysArgs, shortOpt, longOpt)
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except getopt.GetoptError as exc:
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print(helpMsg)
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print(f"ERROR: {str(exc)}")
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sys.exit(2)
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if len(inRemain) > 0:
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cmdOpen = inRemain[0]
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for inOpt, inArg in inOpts:
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if inOpt in ("-h", "--help"):
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print(helpMsg)
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sys.exit(0)
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elif inOpt in ("-v", "--version"):
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print("novelWriter Version %s [%s]" % (__version__, __date__))
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sys.exit(0)
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elif inOpt == "--info":
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logLevel = logging.INFO
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elif inOpt == "--debug":
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CONFIG.isDebug = True
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logLevel = logging.DEBUG
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logFormat = "[{asctime:}] {filename:>18}:{lineno:<4d} {levelname:8} {message:}"
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elif inOpt == "--style":
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qtStyle = inArg
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elif inOpt == "--config":
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confPath = inArg
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elif inOpt == "--data":
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dataPath = inArg
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elif inOpt == "--testmode":
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testMode = True
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elif inOpt == "--meminfo":
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CONFIG.memInfo = True
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# Setup Logging
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pkgLogger = logging.getLogger(__package__)
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pkgLogger.setLevel(logLevel)
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if len(pkgLogger.handlers) == 0:
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# Make sure we only create one logger (mostly an issue with tests)
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cHandle = logging.StreamHandler()
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cHandle.setFormatter(logging.Formatter(fmt=logFormat, style="{"))
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pkgLogger.addHandler(cHandle)
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logger.info("Starting novelWriter %s (%s) %s", __version__, __hexversion__, __date__)
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# Check Packages and Versions
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errorData = []
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errorCode = 0
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if sys.hexversion < 0x030800f0:
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errorData.append(
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"At least Python 3.8 is required, found %s" % CONFIG.verPyString
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)
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errorCode |= 0x04
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if CONFIG.verQtValue < 0x050a00:
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errorData.append(
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"At least Qt5 version 5.10 is required, found %s" % CONFIG.verQtString
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)
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errorCode |= 0x08
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if CONFIG.verPyQtValue < 0x050a00:
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errorData.append(
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"At least PyQt5 version 5.10 is required, found %s" % CONFIG.verPyQtString
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)
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errorCode |= 0x10
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if errorData:
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errApp = QApplication([])
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errDlg = QErrorMessage()
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errDlg.resize(500, 300)
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errDlg.showMessage((
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"<h3>A critical error was encountered</h3>"
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"<p>novelWriter cannot start due to the following issues:<p>"
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"<p> - %s</p>"
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"<p>Shutting down ...</p>"
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) % (
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"<br> - ".join(errorData)
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))
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for errLine in errorData:
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logger.critical(errLine)
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errApp.exec()
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sys.exit(errorCode)
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# Finish initialising config
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CONFIG.initConfig(confPath, dataPath)
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if CONFIG.osDarwin:
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try:
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from Foundation import NSBundle # type: ignore
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bundle = NSBundle.mainBundle()
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info = bundle.localizedInfoDictionary() or bundle.infoDictionary()
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info["CFBundleName"] = "novelWriter"
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except Exception:
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logger.error("Failed to set application name")
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logException()
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elif CONFIG.osWindows:
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try:
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import ctypes
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appID = f"io.novelwriter.{__version__}"
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ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(appID) # type: ignore
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except Exception:
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logger.error("Failed to set application name")
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logException()
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# Import GUI (after dependency checks), and launch
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from novelwriter.guimain import GuiMain
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if testMode:
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nwGUI = GuiMain()
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return nwGUI
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else:
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nwApp = QApplication([CONFIG.appName, (f"-style={qtStyle}")])
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nwApp.setApplicationName(CONFIG.appName)
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nwApp.setApplicationVersion(__version__)
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nwApp.setOrganizationDomain(__domain__)
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nwApp.setOrganizationName(__domain__)
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nwApp.setDesktopFileName(CONFIG.appName)
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# Connect the exception handler before making the main GUI
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sys.excepthook = exceptionHandler
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# Run Config steps that require the QApplication
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CONFIG.initLocalisation(nwApp)
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CONFIG.setTextFont(CONFIG.textFont, CONFIG.textSize) # Makes sure these are valid
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# Launch main GUI
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nwGUI = GuiMain()
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nwGUI.postLaunchTasks(cmdOpen)
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sys.exit(nwApp.exec())
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return None
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# END Function main
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