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diff --git a/examples/declarative/signals/qmltopy2/main.py b/examples/declarative/signals/qmltopy2/main.py
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+#!/usr/bin/python
+
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the PySide examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## You may use this file under the terms of the BSD license as follows:
+##
+## "Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions are
+## met:
+## * Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## * Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in
+## the documentation and/or other materials provided with the
+## distribution.
+## * Neither the name of The Qt Company Ltd nor the names of its
+## contributors may be used to endorse or promote products derived
+## from this software without specific prior written permission.
+##
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+from __future__ import print_function
+
+import os
+import sys
+from PySide2.QtCore import QObject, QUrl, Slot
+from PySide2.QtGui import QGuiApplication
+import PySide2.QtQml
+from PySide2.QtQuick import QQuickView
+
+class RotateValue(QObject):
+ def __init__(self):
+ super(RotateValue,self).__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)
+
+ qmlFile = os.path.join(os.path.dirname(__file__), 'view.qml')
+ view.setSource(QUrl.fromLocalFile(os.path.abspath(qmlFile)))
+ 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)