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-rw-r--r--examples/widgets/tutorials/cannon/t8.py54
1 files changed, 8 insertions, 46 deletions
diff --git a/examples/widgets/tutorials/cannon/t8.py b/examples/widgets/tutorials/cannon/t8.py
index cc54194cf..9bb5516b8 100644
--- a/examples/widgets/tutorials/cannon/t8.py
+++ b/examples/widgets/tutorials/cannon/t8.py
@@ -1,50 +1,12 @@
-
-#############################################################################
-##
-## Copyright (C) 2021 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."
-##
-## $QT_END_LICENSE$
-##
-#############################################################################
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
# PySide6 tutorial 8
import sys
-from PySide6.QtCore import Signal, Slot, Qt
+from PySide6.QtCore import Signal, Slot, Qt, qWarning
from PySide6.QtGui import QColor, QFont, QPainter, QPalette
from PySide6.QtWidgets import (QApplication, QGridLayout, QLCDNumber,
QPushButton, QSlider, QVBoxLayout, QWidget)
@@ -81,8 +43,8 @@ class LCDRange(QWidget):
def set_range(self, minValue, maxValue):
if minValue < 0 or maxValue > 99 or minValue > maxValue:
qWarning("LCDRange.setRange({minValue}, {maxValue})\n"
- "\tRange must be 0..99\n"
- "\tand minValue must not be greater than maxValue")
+ "\tRange must be 0..99\n"
+ "\tand minValue must not be greater than maxValue")
return
self.slider.setRange(minValue, maxValue)
@@ -115,8 +77,8 @@ class CannonField(QWidget):
self.angle_changed.emit(self._current_angle)
def paintEvent(self, event):
- painter = QPainter(self)
- painter.drawText(200, 200, f"Angle = {self._current_angle}")
+ with QPainter(self) as painter:
+ painter.drawText(200, 200, f"Angle = {self._current_angle}")
class MyWidget(QWidget):
@@ -126,7 +88,7 @@ class MyWidget(QWidget):
quit = QPushButton("Quit")
quit.setFont(QFont("Times", 18, QFont.Bold))
- quit.clicked.connect(qApp.quit)
+ quit.clicked.connect(qApp.quit) # noqa: F821
angle = LCDRange()
angle.set_range(5, 70)