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Diffstat (limited to 'examples/webchannel/standalone/main.py')
| -rw-r--r-- | examples/webchannel/standalone/main.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/examples/webchannel/standalone/main.py b/examples/webchannel/standalone/main.py new file mode 100644 index 000000000..d3119141f --- /dev/null +++ b/examples/webchannel/standalone/main.py @@ -0,0 +1,99 @@ +############################################################################# +## +## Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com> +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + + +import os +import sys + +from PySide2.QtWidgets import QApplication +from PySide2.QtGui import QDesktopServices +from PySide2.QtNetwork import QHostAddress, QSslSocket +from PySide2.QtCore import (QFile, QFileInfo, QUrl) +from PySide2.QtWebChannel import QWebChannel +from PySide2.QtWebSockets import QWebSocketServer + +from dialog import Dialog +from core import Core +from websocketclientwrapper import WebSocketClientWrapper + + +if __name__ == '__main__': + app = QApplication(sys.argv) + if not QSslSocket.supportsSsl(): + print('The example requires SSL support.') + sys.exit(-1) + cur_dir = os.path.dirname(os.path.abspath(__file__)) + jsFileInfo = QFileInfo(cur_dir + "/qwebchannel.js") + if not jsFileInfo.exists(): + QFile.copy(":/qtwebchannel/qwebchannel.js", + jsFileInfo.absoluteFilePath()) + + # setup the QWebSocketServer + server = QWebSocketServer("QWebChannel Standalone Example Server", + QWebSocketServer.NonSecureMode) + if not server.listen(QHostAddress.LocalHost, 12345): + print("Failed to open web socket server.") + sys.exit(-1) + + # wrap WebSocket clients in QWebChannelAbstractTransport objects + clientWrapper = WebSocketClientWrapper(server) + + # setup the channel + channel = QWebChannel() + clientWrapper.clientConnected.connect(channel.connectTo) + + # setup the UI + dialog = Dialog() + + # setup the core and publish it to the QWebChannel + core = Core(dialog) + channel.registerObject("core", core) + + # open a browser window with the client HTML page + url = QUrl.fromLocalFile(cur_dir + "/index.html") + QDesktopServices.openUrl(url) + + message = "Initialization complete, opening browser at {}.".format( + url.toDisplayString()) + dialog.displayMessage(message) + dialog.show() + + sys.exit(app.exec_()) |