diff options
Diffstat (limited to 'examples/network/fortuneclient.py')
| -rw-r--r-- | examples/network/fortuneclient.py | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/examples/network/fortuneclient.py b/examples/network/fortuneclient.py deleted file mode 100644 index c774973c0..000000000 --- a/examples/network/fortuneclient.py +++ /dev/null @@ -1,167 +0,0 @@ - -############################################################################# -## -## Copyright (C) 2013 Riverbank Computing Limited. -## 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: -## -## "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 network/fortuneclient example from Qt v5.x""" - -from PySide2 import QtCore, QtGui, QtWidgets, QtNetwork - - -class Client(QtWidgets.QDialog): - def __init__(self, parent=None): - super(Client, self).__init__(parent) - - self.blockSize = 0 - self.currentFortune = '' - - hostLabel = QtWidgets.QLabel("&Server name:") - portLabel = QtWidgets.QLabel("S&erver port:") - - self.hostLineEdit = QtWidgets.QLineEdit('Localhost') - self.portLineEdit = QtWidgets.QLineEdit() - self.portLineEdit.setValidator(QtGui.QIntValidator(1, 65535, self)) - - hostLabel.setBuddy(self.hostLineEdit) - portLabel.setBuddy(self.portLineEdit) - - self.statusLabel = QtWidgets.QLabel("This examples requires that you run " - "the Fortune Server example as well.") - - self.getFortuneButton = QtWidgets.QPushButton("Get Fortune") - self.getFortuneButton.setDefault(True) - self.getFortuneButton.setEnabled(False) - - quitButton = QtWidgets.QPushButton("Quit") - - buttonBox = QtWidgets.QDialogButtonBox() - buttonBox.addButton(self.getFortuneButton, - QtWidgets.QDialogButtonBox.ActionRole) - buttonBox.addButton(quitButton, QtWidgets.QDialogButtonBox.RejectRole) - - self.tcpSocket = QtNetwork.QTcpSocket(self) - - self.hostLineEdit.textChanged.connect(self.enableGetFortuneButton) - self.portLineEdit.textChanged.connect(self.enableGetFortuneButton) - self.getFortuneButton.clicked.connect(self.requestNewFortune) - quitButton.clicked.connect(self.close) - self.tcpSocket.readyRead.connect(self.readFortune) - self.tcpSocket.error.connect(self.displayError) - - mainLayout = QtWidgets.QGridLayout() - mainLayout.addWidget(hostLabel, 0, 0) - mainLayout.addWidget(self.hostLineEdit, 0, 1) - mainLayout.addWidget(portLabel, 1, 0) - mainLayout.addWidget(self.portLineEdit, 1, 1) - mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2) - mainLayout.addWidget(buttonBox, 3, 0, 1, 2) - self.setLayout(mainLayout) - - self.setWindowTitle("Fortune Client") - self.portLineEdit.setFocus() - - def requestNewFortune(self): - self.getFortuneButton.setEnabled(False) - self.blockSize = 0 - self.tcpSocket.abort() - self.tcpSocket.connectToHost(self.hostLineEdit.text(), - int(self.portLineEdit.text())) - - def readFortune(self): - instr = QtCore.QDataStream(self.tcpSocket) - instr.setVersion(QtCore.QDataStream.Qt_4_0) - - if self.blockSize == 0: - if self.tcpSocket.bytesAvailable() < 2: - return - - self.blockSize = instr.readUInt16() - - if self.tcpSocket.bytesAvailable() < self.blockSize: - return - - nextFortune = instr.readString() - - try: - # Python v3. - nextFortune = str(nextFortune, encoding='ascii') - except TypeError: - # Python v2. - pass - - if nextFortune == self.currentFortune: - QtCore.QTimer.singleShot(0, self.requestNewFortune) - return - - self.currentFortune = nextFortune - self.statusLabel.setText(self.currentFortune) - self.getFortuneButton.setEnabled(True) - - def displayError(self, socketError): - if socketError == QtNetwork.QAbstractSocket.RemoteHostClosedError: - pass - elif socketError == QtNetwork.QAbstractSocket.HostNotFoundError: - QtWidgets.QMessageBox.information(self, "Fortune Client", - "The host was not found. Please check the host name and " - "port settings.") - elif socketError == QtNetwork.QAbstractSocket.ConnectionRefusedError: - QtWidgets.QMessageBox.information(self, "Fortune Client", - "The connection was refused by the peer. Make sure the " - "fortune server is running, and check that the host name " - "and port settings are correct.") - else: - QtWidgets.QMessageBox.information(self, "Fortune Client", - "The following error occurred: %s." % self.tcpSocket.errorString()) - - self.getFortuneButton.setEnabled(True) - - def enableGetFortuneButton(self): - self.getFortuneButton.setEnabled(bool(self.hostLineEdit.text() and - self.portLineEdit.text())) - - -if __name__ == '__main__': - - import sys - - app = QtWidgets.QApplication(sys.argv) - client = Client() - client.show() - sys.exit(client.exec_()) |