Function main

Widgets/MainWindow.py:239–269

()

def main():
    if int(QtCore.PYQT_VERSION_STR.split('.')[1]) > 5:
        # for > Qt 5.5
        os.putenv('QT_AUTO_SCREEN_SCALE_FACTOR', '1')
    else:
        # for Qt 5.5
        os.putenv('QT_DEVICE_PIXEL_RATIO', 'auto')
    if os.name == 'nt':
        os.environ['PATH'] = QLibraryInfo.location(
            QLibraryInfo.BinariesPath) + os.pathsep + os.environ['PATH']
    os.makedirs(Constants.DirErrors, exist_ok=True)
    os.makedirs(Constants.DirProject, exist_ok=True)
    os.makedirs(os.path.dirname(Constants.UpgradeFile), exist_ok=True)
    # 异常捕捉
    sys.excepthook = cgitb.Hook(1, Constants.DirErrors, 5, sys.stderr, '')
    # 初始化日志
    initLog(Constants.LogName, Constants.LogFile)
    # 运行app
    app = QSingleApplication('qtsingleapp-pyqtclient', sys.argv)
    if app.isRunning():
        # 激活窗口
        app.sendMessage('show', 1000)
    else:
        app.setAttribute(Qt.AA_DisableWindowContextHelpButton)
        app.setQuitOnLastWindowClosed(True)
        app.setWindowIcon(QIcon('Resources/Images/app.ico'))
        # 第一次运行
        w = MainWindow()
        app.setActivationWindow(w)
        w.show()
        sys.exit(app.exec_())


if __name__ == '__main__':