Add example contributions from Hacktoberfest 2019

Adding examples contributed from Github.

Thanks to the contributors:
- María José Molina-Contreras https://github.com/mjmolina
- Sabine Wolf https://github.com/Lythi45
- Meili Triantafyllidi https://github.com/mei-li
- Elena Hirjoaba https://github.com/puskini33

Change-Id: I7abfc6149af2e02c947ab9f088af1d09492de5df
Reviewed-by: Christian Tismer <tismer@stackless.com>

11 files changed, 781 insertions, 1 deletions

diff --git a/examples/charts/charts.pyproject b/examples/charts/charts.pyproject
index a4e6c01c1..15a48a3a1 100644
--- a/examples/charts/charts.pyproject
+++ b/examples/charts/charts.pyproject
@@ -1,3 +1,5 @@
 {
-    "files": ["percentbarchart.py", "donutbreakdown.py", "legend.py", "nesteddonuts.py", "modeldata.py", "lineandbar.py", "memoryusage.py", "callout.py", "audio.py"]
+    "files": ["percentbarchart.py", "donutbreakdown.py", "legend.py", "nesteddonuts.py",
+              "modeldata.py", "lineandbar.py", "memoryusage.py", "callout.py", "audio.py",
+              "linechart.py", "logvalueaxis.py", "piechart.py", "temperaturerecords.py"]
 }
diff --git a/examples/charts/linechart.py b/examples/charts/linechart.py
new file mode 100644
index 000000000..98d17b35c
--- /dev/null
+++ b/examples/charts/linechart.py
@@ -0,0 +1,84 @@
+#############################################################################
+##
+## Copyright (C) 2020 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:
+##
+## "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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide2 port of the linechart example from Qt v5.x"""
+
+import sys
+from PySide2.QtCore import QPointF
+from PySide2.QtGui import QPainter
+from PySide2.QtWidgets import QMainWindow, QApplication
+from PySide2.QtCharts import QtCharts
+
+
+class TestChart(QMainWindow):
+    def __init__(self):
+        QMainWindow.__init__(self)
+
+        self.series = QtCharts.QLineSeries()
+        self.series.append(0, 6)
+        self.series.append(2, 4)
+        self.series.append(3, 8)
+        self.series.append(7, 4)
+        self.series.append(10, 5)
+        self.series.append(QPointF(11, 1))
+        self.series.append(QPointF(13, 3))
+        self.series.append(QPointF(17, 6))
+        self.series.append(QPointF(18, 3))
+        self.series.append(QPointF(20, 2))
+
+        self.chart = QtCharts.QChart()
+        self.chart.legend().hide()
+        self.chart.addSeries(self.series)
+        self.chart.createDefaultAxes()
+        self.chart.setTitle("Simple line chart example")
+
+        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(self.chartView)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = TestChart()
+    window.show()
+    window.resize(440, 300)
+    sys.exit(app.exec_())
diff --git a/examples/charts/logvalueaxis.py b/examples/charts/logvalueaxis.py
new file mode 100644
index 000000000..7fb5604cd
--- /dev/null
+++ b/examples/charts/logvalueaxis.py
@@ -0,0 +1,94 @@
+#############################################################################
+##
+## Copyright (C) 2020 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:
+##
+## "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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide2 port of the Logarithmic Axis Example from Qt v5.x"""
+
+
+
+import sys
+from PySide2.QtCore import Qt, QPointF
+from PySide2.QtGui import QPainter
+from PySide2.QtWidgets import QMainWindow, QApplication
+from PySide2.QtCharts import QtCharts
+
+
+class TestChart(QMainWindow):
+    def __init__(self):
+        QMainWindow.__init__(self)
+
+        self.series = QtCharts.QLineSeries()
+        self.series.append([
+            QPointF(1.0, 1.0), QPointF(2.0, 73.0), QPointF(3.0, 268.0),
+            QPointF(4.0, 17.0), QPointF(5.0, 4325.0), QPointF(6.0, 723.0)])
+
+        self.chart = QtCharts.QChart()
+        self.chart.addSeries(self.series)
+        self.chart.legend().hide()
+        self.chart.setTitle("Logarithmic axis example")
+
+        self.axisX = QtCharts.QValueAxis()
+        self.axisX.setTitleText("Data point")
+        self.axisX.setLabelFormat("%i")
+        self.axisX.setTickCount(self.series.count())
+        self.chart.addAxis(self.axisX, Qt.AlignBottom)
+        self.series.attachAxis(self.axisX)
+
+        self.axisY = QtCharts.QLogValueAxis()
+        self.axisY.setTitleText("Values")
+        self.axisY.setLabelFormat("%g")
+        self.axisY.setBase(8.0)
+        self.axisY.setMinorTickCount(-1)
+        self.chart.addAxis(self.axisY, Qt.AlignLeft)
+        self.series.attachAxis(self.axisY)
+
+        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(self.chartView)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = TestChart()
+    window.show()
+    window.resize(800, 600)
+
+    sys.exit(app.exec_())
diff --git a/examples/charts/piechart.py b/examples/charts/piechart.py
new file mode 100644
index 000000000..820da8b91
--- /dev/null
+++ b/examples/charts/piechart.py
@@ -0,0 +1,87 @@
+#############################################################################
+##
+## Copyright (C) 2020 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:
+##
+## "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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide2 port of the Pie Chart Example from Qt v5.x"""
+
+import sys
+from PySide2.QtCore import Qt
+from PySide2.QtGui import QPainter, QPen
+from PySide2.QtWidgets import QMainWindow, QApplication
+from PySide2.QtCharts import QtCharts
+
+
+class TestChart(QMainWindow):
+
+    def __init__(self):
+        QMainWindow.__init__(self)
+
+        self.series = QtCharts.QPieSeries()
+
+        self.series.append('Jane', 1)
+        self.series.append('Joe', 2)
+        self.series.append('Andy', 3)
+        self.series.append('Barbara', 4)
+        self.series.append('Axel', 5)
+
+        self.slice = self.series.slices()[1]
+        self.slice.setExploded()
+        self.slice.setLabelVisible()
+        self.slice.setPen(QPen(Qt.darkGreen, 2))
+        self.slice.setBrush(Qt.green)
+
+        self.chart = QtCharts.QChart()
+        self.chart.addSeries(self.series)
+        self.chart.setTitle('Simple piechart example')
+        self.chart.legend().hide()
+
+        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(self.chartView)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = TestChart()
+    window.show()
+    window.resize(440, 300)
+
+    sys.exit(app.exec_())
diff --git a/examples/charts/qmlpolarchart/View1.qml b/examples/charts/qmlpolarchart/View1.qml
new file mode 100644
index 000000000..ad17fec6b
--- /dev/null
+++ b/examples/charts/qmlpolarchart/View1.qml
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Charts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtCharts 2.0
+
+Item {
+    anchors.fill: parent
+    //![1]
+    PolarChartView {
+        title: "Two Series, Common Axes"
+        anchors.fill: parent
+        legend.visible: false
+        antialiasing: true
+
+        ValueAxis {
+            id: axisAngular
+            min: 0
+            max: 20
+            tickCount: 9
+        }
+
+        ValueAxis {
+            id: axisRadial
+            min: -0.5
+            max: 1.5
+        }
+
+        SplineSeries {
+            id: series1
+            axisAngular: axisAngular
+            axisRadial: axisRadial
+            pointsVisible: true
+        }
+
+        ScatterSeries {
+            id: series2
+            axisAngular: axisAngular
+            axisRadial: axisRadial
+            markerSize: 10
+        }
+    }
+
+    // Add data dynamically to the series
+    Component.onCompleted: {
+        for (var i = 0; i <= 20; i++) {
+            series1.append(i, Math.random());
+            series2.append(i, Math.random());
+        }
+    }
+    //![1]
+}
diff --git a/examples/charts/qmlpolarchart/View2.qml b/examples/charts/qmlpolarchart/View2.qml
new file mode 100644
index 000000000..7f241c3e7
--- /dev/null
+++ b/examples/charts/qmlpolarchart/View2.qml
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Charts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtCharts 2.0
+
+Item {
+    anchors.fill: parent
+
+    //![1]
+    PolarChartView {
+        title: "Historical Area Series"
+        anchors.fill: parent
+        legend.visible: false
+        antialiasing: true
+
+        DateTimeAxis {
+            id: axis1
+            format: "yyyy MMM"
+            tickCount: 13
+        }
+        ValueAxis {
+            id: axis2
+        }
+        LineSeries {
+            id: lowerLine
+            axisAngular: axis1
+            axisRadial: axis2
+
+            // Please note that month in JavaScript months are zero based, so 2 means March
+            XYPoint { x: toMsecsSinceEpoch(new Date(1950, 0, 1)); y: 15 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1962, 4, 1)); y: 35 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1970, 0, 1)); y: 50 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1978, 2, 1)); y: 75 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1987, 11, 1)); y: 102 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1992, 1, 1)); y: 132 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1998, 7, 1)); y: 100 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2002, 4, 1)); y: 120 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2012, 8, 1)); y: 140 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2013, 5, 1)); y: 150 }
+        }
+        LineSeries {
+            id: upperLine
+            axisAngular: axis1
+            axisRadial: axis2
+
+            // Please note that month in JavaScript months are zero based, so 2 means March
+            XYPoint { x: toMsecsSinceEpoch(new Date(1950, 0, 1)); y: 30 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1962, 4, 1)); y: 55 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1970, 0, 1)); y: 80 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1978, 2, 1)); y: 105 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1987, 11, 1)); y: 125 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1992, 1, 1)); y: 160 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(1998, 7, 1)); y: 140 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2002, 4, 1)); y: 140 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2012, 8, 1)); y: 170 }
+            XYPoint { x: toMsecsSinceEpoch(new Date(2013, 5, 1)); y: 200 }
+        }
+        AreaSeries {
+            axisAngular: axis1
+            axisRadial: axis2
+            lowerSeries: lowerLine
+            upperSeries: upperLine
+        }
+    }
+    // DateTimeAxis is based on QDateTimes so we must convert our JavaScript dates to
+    // milliseconds since epoch to make them match the DateTimeAxis values
+    function toMsecsSinceEpoch(date) {
+        var msecs = date.getTime();
+        return msecs;
+    }
+    //![1]
+}
diff --git a/examples/charts/qmlpolarchart/View3.qml b/examples/charts/qmlpolarchart/View3.qml
new file mode 100644
index 000000000..5695a891f
--- /dev/null
+++ b/examples/charts/qmlpolarchart/View3.qml
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Charts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtCharts 2.0
+
+Item {
+    anchors.fill: parent
+
+    //![1]
+    PolarChartView {
+        title: "Numerical Data for Dummies"
+        anchors.fill: parent
+        legend.visible: false
+        antialiasing: true
+
+        LineSeries {
+            axisRadial: CategoryAxis {
+                min: 0
+                max: 30
+                CategoryRange {
+                    label: "critical"
+                    endValue: 2
+                }
+                CategoryRange {
+                    label: "low"
+                    endValue: 7
+                }
+                CategoryRange {
+                    label: "normal"
+                    endValue: 12
+                }
+                CategoryRange {
+                    label: "high"
+                    endValue: 18
+                }
+                CategoryRange {
+                    label: "extremely high"
+                    endValue: 30
+                }
+            }
+
+            axisAngular: ValueAxis {
+                tickCount: 13
+            }
+
+            XYPoint { x: 0; y: 4.3 }
+            XYPoint { x: 1; y: 4.1 }
+            XYPoint { x: 2; y: 4.7 }
+            XYPoint { x: 3; y: 3.9 }
+            XYPoint { x: 4; y: 5.2 }
+            XYPoint { x: 5; y: 5.3 }
+            XYPoint { x: 6; y: 6.1 }
+            XYPoint { x: 7; y: 7.7 }
+            XYPoint { x: 8; y: 12.9 }
+            XYPoint { x: 9; y: 19.2 }
+        }
+    }
+    //![1]
+}
diff --git a/examples/charts/qmlpolarchart/main.qml b/examples/charts/qmlpolarchart/main.qml
new file mode 100644
index 000000000..ed7a810c6
--- /dev/null
+++ b/examples/charts/qmlpolarchart/main.qml
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Charts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Item {
+    width: 800
+    height: 600
+    property bool sourceLoaded: false
+
+    ListView {
+        id: root
+        focus: true
+        anchors.fill: parent
+        snapMode: ListView.SnapOneItem
+        highlightRangeMode: ListView.StrictlyEnforceRange
+        highlightMoveDuration: 250
+        orientation: ListView.Horizontal
+        boundsBehavior: Flickable.StopAtBounds
+
+        onCurrentIndexChanged: {
+            if (infoText.opacity > 0.0) {
+                if (sourceLoaded)
+                    infoText.opacity = 0.0;
+                else if (currentIndex != 0)
+                    currentIndex = 0;
+            }
+        }
+
+        model: ListModel {
+            ListElement {component: "View1.qml"}
+            ListElement {component: "View2.qml"}
+            ListElement {component: "View3.qml"}
+        }
+
+        delegate: Loader {
+            width: root.width
+            height: root.height
+
+            source: component
+            asynchronous: true
+
+            onLoaded: sourceLoaded = true
+        }
+    }
+
+    Rectangle {
+        id: infoText
+        anchors.centerIn: parent
+        width: parent.width
+        height: 40
+        color: "black"
+        Text {
+            color: "white"
+            anchors.centerIn: parent
+            text: "You can navigate between views using swipe or arrow keys"
+        }
+
+        Behavior on opacity {
+            NumberAnimation { duration: 400 }
+        }
+    }
+}
diff --git a/examples/charts/qmlpolarchart/qmlpolarchart.py b/examples/charts/qmlpolarchart/qmlpolarchart.py
new file mode 100644
index 000000000..4398169b0
--- /dev/null
+++ b/examples/charts/qmlpolarchart/qmlpolarchart.py
@@ -0,0 +1,63 @@
+#############################################################################
+##
+## Copyright (C) 2020 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:
+##
+## "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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide2 port of the QML Polar Chart Example from Qt v5.x"""
+
+import sys
+import os
+from PySide2.QtQuick import QQuickView
+from PySide2.QtCore import Qt, QUrl
+from PySide2.QtWidgets import QApplication, QMainWindow
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    viewer = QQuickView()
+
+    viewer.engine().addImportPath(os.path.dirname(__file__))
+    viewer.engine().quit.connect(viewer.close)
+
+    viewer.setTitle = "QML Polar Chart"
+    qmlFile = os.path.join(os.path.dirname(__file__), 'main.qml')
+    viewer.setSource(QUrl.fromLocalFile(os.path.abspath(qmlFile)))
+    viewer.setResizeMode(QQuickView.SizeRootObjectToView)
+    viewer.show()
+
+    sys.exit(app.exec_())
diff --git a/examples/charts/qmlpolarchart/qmlpolarchart.pyproject b/examples/charts/qmlpolarchart/qmlpolarchart.pyproject
new file mode 100644
index 000000000..6c18b1f43
--- /dev/null
+++ b/examples/charts/qmlpolarchart/qmlpolarchart.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["View1.qml", "View1.qml", "View2.qml", "View3.qml", "main.qml", "qmlpolarchart.py"]
+}
diff --git a/examples/charts/temperaturerecords.py b/examples/charts/temperaturerecords.py
new file mode 100644
index 000000000..dfd4dd67c
--- /dev/null
+++ b/examples/charts/temperaturerecords.py
@@ -0,0 +1,95 @@
+#############################################################################
+##
+## Copyright (C) 2020 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:
+##
+## "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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide2 port of the Temperature Records example from Qt v5.x"""
+
+import sys
+from PySide2.QtCore import Qt
+from PySide2.QtGui import QPainter
+from PySide2.QtWidgets import QMainWindow, QApplication
+from PySide2.QtCharts import QtCharts
+
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        QMainWindow.__init__(self)
+        low = QtCharts.QBarSet("Min")
+        high = QtCharts.QBarSet("Max")
+        low.append([-52, -50, -45.3, -37.0, -25.6, -8.0,
+                    -6.0, -11.8, -19.7, -32.8, -43.0, -48.0])
+        high.append([11.9, 12.8, 18.5, 26.5, 32.0, 34.8,
+                     38.2, 34.8, 29.8, 20.4, 15.1, 11.8])
+
+        series = QtCharts.QStackedBarSeries()
+        series.append(low)
+        series.append(high)
+
+        chart = QtCharts.QChart()
+        chart.addSeries(series)
+        chart.setTitle("Temperature records in celcius")
+        chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)
+
+        categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
+                      "Aug", "Sep", "Oct", "Nov", "Dec"]
+        axisX = QtCharts.QBarCategoryAxis()
+        axisX.append(categories)
+        axisX.setTitleText("Month")
+        chart.addAxis(axisX, Qt.AlignBottom)
+        axisY = QtCharts.QValueAxis()
+        axisY.setRange(-52, 52)
+        axisY.setTitleText("Temperature [&deg;C]")
+        chart.addAxis(axisY, Qt.AlignLeft)
+        series.attachAxis(axisX)
+        series.attachAxis(axisY)
+
+        chart.legend().setVisible(True)
+        chart.legend().setAlignment(Qt.AlignBottom)
+
+        chart_view = QtCharts.QChartView(chart)
+        chart_view.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(chart_view)
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    w = MainWindow()
+    w.resize(600, 300)
+    w.show()
+    sys.exit(app.exec_())