text: 
  #############################################################################
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  ## Copyright (C) 2016 The Qt Company Ltd.
  ## Contact: http://www.qt.io/licensing/
  ##
  ## This file is part of the Qt for Python examples of the Qt Toolkit.
  ##
  ## $QT_BEGIN_LICENSE:BSD$
  ## You may use this file under the terms of the BSD license as follows:
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  ## modification, are permitted provided that the following conditions are
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  ##   * Redistributions of source code must retain the above copyright
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  ##     the documentation and/or other materials provided with the
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  ##     contributors may be used to endorse or promote products derived
  ##     from this software without specific prior written permission.
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  #############################################################################
  
  import os
  from pathlib import Path
  import sys
  from PySide6.QtCore import QObject, QUrl, Slot
  from PySide6.QtGui import QGuiApplication
  from PySide6.QtQuick import QQuickView
  
  
  class RotateValue(QObject):
      def __init__(self):
          super().__init__()
          self.r = 0
  
      # If a slot returns a value, the return value type must be explicitly
      # defined in the decorator.
      @Slot(result=int)
      def val(self):
          self.r = self.r + 10
          return self.r
  
  
  if __name__ == '__main__':
      app = QGuiApplication(sys.argv)
      view = QQuickView()
  
      rotatevalue = RotateValue()
      context = view.rootContext()
      context.setContextProperty("rotatevalue", rotatevalue)
  
      qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
      view.setSource(QUrl.fromLocalFile(qml_file))
      if view.status() == QQuickView.Error:
          sys.exit(-1)
      view.show()
      res = app.exec()
      # Deleting the view before it goes out of scope is required to make sure all child QML instances
      # are destroyed in the correct order.
      del view
      sys.exit(res)
  