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QtRemoteObjects

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# QtRemoteObjects

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# QtRemoteObjects
- 目录
- [modelview](#1modelview)
- [simpleswitch](#2simpleswitch)
## 1、modelview
[运行 modelviewserver.py](modelview/modelviewserver.py) | [运行 modelviewclient.py](modelview/modelviewclient.py)
官方关于QTreeView/QStandardItemModel的同步model例子
## 2、simpleswitch
[运行 directconnectdynamicserver.py](simpleswitch/directconnectdynamicserver.py) | [运行 directconnectdynamicclient.py](simpleswitch/directconnectdynamicclient.py)
[运行 registryconnecteddynamicserver.py](simpleswitch/registryconnecteddynamicserver.py) | [运行 registryconnecteddynamicclient.py](simpleswitch/registryconnecteddynamicclient.py)
官方关于简单的信号槽、属性访问测试例子

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QtRemoteObjects/__init__.py Normal file
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QtRemoteObjects/modelview/modelviewclient.py Normal file
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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import QLoggingCategory, QUrl
from PyQt5.QtRemoteObjects import QRemoteObjectNode
from PyQt5.QtWidgets import QApplication, QTreeView
QLoggingCategory.setFilterRules('qt.remoteobjects.debug=false\n'
'qt.remoteobjects.warning=false\n'
'qt.remoteobjects.models.debug=false\n'
'qt.remoteobjects.models.debug=false')
app = QApplication(sys.argv)
node = QRemoteObjectNode(QUrl('local:registry'))
node.setHeartbeatInterval(1000)
view = QTreeView()
view.setWindowTitle("RemoteView")
view.resize(640, 480)
model = node.acquireModel('RemoteModel')
view.setModel(model)
view.show();
sys.exit(app.exec_())

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QtRemoteObjects/modelview/modelviewserver.py Normal file
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#!/usr/bin/python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the PyQt examples.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import (pyqtSlot, QLoggingCategory, QModelIndex, QObject, Qt,
QTimer, QUrl)
from PyQt5.QtGui import QColor, QStandardItem, QStandardItemModel
from PyQt5.QtRemoteObjects import QRemoteObjectHost, QRemoteObjectRegistryHost
from PyQt5.QtWidgets import QApplication, QTreeView
class TimerHandler(QObject):
def __init__(self, model, parent=None):
super().__init__(parent)
self._model = model
@pyqtSlot()
def changeData(self):
for i in range(10, 50):
self._model.setData(self._model.index(i, 1), QColor(Qt.blue),
Qt.BackgroundRole)
@pyqtSlot()
def insertData(self):
self._model.insertRows(2, 9)
for i in range(2, 11):
self._model.setData(self._model.index(i, 1), QColor(Qt.green),
Qt.BackgroundRole)
self._model.setData(self._model.index(i, 1), "InsertedRow",
Qt.DisplayRole)
@pyqtSlot()
def removeData(self):
self._model.removeRows(2, 4)
@pyqtSlot()
def changeFlags(self):
item = self._model.item(0, 0)
item.setEnabled(False)
item = item.child(0, 0)
item.setFlags(item.flags() & Qt.ItemIsSelectable)
@pyqtSlot()
def moveData(self):
self._model.moveRows(QModelIndex(), 2, 4, QModelIndex(), 10)
def addChild(numChildren, nestingLevel):
result = []
if nestingLevel == 0:
return result
for i in range(numChildren):
child = QStandardItem(
"Child num {}, nesting level {}".format(i + 1, nestingLevel))
if i == 0:
child.appendRow(addChild(numChildren, nestingLevel - 1))
result.append(child)
return result
if __name__ == '__main__':
QLoggingCategory.setFilterRules('qt.remoteobjects.debug=false\n'
'qt.remoteobjects.warning=false')
app = QApplication(sys.argv)
sourceModel = QStandardItemModel()
sourceModel.setHorizontalHeaderLabels(
["First Column with spacing", "Second Column with spacing"])
for i in range(10000):
firstItem = QStandardItem("FancyTextNumber {}".format(i))
if i == 0:
firstItem.appendRow(addChild(2, 2))
secondItem = QStandardItem("FancyRow2TextNumber {}".format(i))
if i % 2 == 0:
firstItem.setBackground(Qt.red)
sourceModel.invisibleRootItem().appendRow([firstItem, secondItem])
# Needed by QMLModelViewClient.
roleNames = {
Qt.DisplayRole: b'_text',
Qt.BackgroundRole: b'_color'
}
sourceModel.setItemRoleNames(roleNames)
roles = [Qt.DisplayRole, Qt.BackgroundRole]
node = QRemoteObjectRegistryHost(QUrl('local:registry'))
node2 = QRemoteObjectHost(QUrl('local:replica'), QUrl('local:registry'))
node2.enableRemoting(sourceModel, 'RemoteModel', roles)
view = QTreeView()
view.setWindowTitle("SourceView")
view.setModel(sourceModel)
view.show()
handler = TimerHandler(sourceModel)
QTimer.singleShot(5000, handler.changeData)
QTimer.singleShot(10000, handler.insertData)
QTimer.singleShot(11000, handler.changeFlags)
QTimer.singleShot(12000, handler.removeData)
QTimer.singleShot(13000, handler.moveData)
sys.exit(app.exec_())

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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the PyQt examples.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import pyqtSignal, pyqtSlot, QCoreApplication, QObject, QUrl
from PyQt5.QtRemoteObjects import QRemoteObjectNode
class DynamicClient(QObject):
# This signal is connected with server_slot() slot of the source object and
# echoes back the switch state received from the source.
echoSwitchState = pyqtSignal(bool)
def __init__(self, replica, parent=None):
super().__init__(parent)
self._replica = replica
self._clientSwitchState = False
replica.initialized.connect(self.initConnection)
@pyqtSlot(bool)
def recSwitchState(self, value):
self._clientSwitchState = self._replica.property('currState')
print("Received source state", value, self._clientSwitchState)
# Emit the signal to echo the received state back to the server.
self.echoSwitchState.emit(self._clientSwitchState)
@pyqtSlot()
def initConnection(self):
# Connect the replica source signal currStateChanged() with the
# client's recSwitchState() slot to receive the source's current state.
self._replica.currStateChanged.connect(self.recSwitchState)
# Connect the client's echoSwitchState() signal with replica's
# server_slot() to echo back the received state.
self.echoSwitchState.connect(self._replica.server_slot)
if __name__ == '__main__':
app = QCoreApplication(sys.argv)
# Create the remote object node.
repNode = QRemoteObjectNode()
# Connect with the remote host node.
repNode.connectToNode(QUrl('local:replica'))
# Acquire a replica of the source from the host node.
replica = repNode.acquireDynamic('SimpleSwitch')
# Create the client switch object and pass the replica to it.
rswitch = DynamicClient(replica)
sys.exit(app.exec_())

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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the PyQt examples.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import (pyqtProperty, pyqtSignal, pyqtSlot, QCoreApplication,
QObject, QTimer, QUrl)
from PyQt5.QtRemoteObjects import QRemoteObjectHost, QRemoteObjectRegistryHost
class SimpleSwitch(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self._currState = False
self._stateChangeTimer = QTimer(self)
self._stateChangeTimer.timeout.connect(self._timeout)
self._stateChangeTimer.start(2000)
print("Source node started")
# PyQt does not support the use of static source types defined in .rep
# files. However we can manually specify a dynamic type that matches a
# .rep defined type by defining properties, signals and slots in the same
# order. We also have to account for any internals also generated by the
# .rep generator. At the moment this only includes an extra 'push' slot
# for each property (that never seems to get called). This allows this
# example to act as a server for Qt's C++ 'directconnectclient' example.
# It is not necessary when using with clients that use dynamic source types
# (written using either C++ or Python).
@pyqtSlot()
def pushCurrState(self, currState):
pass
def _get_currState(self):
return self._currState
def _set_currState(self, value):
# If the value has changed then update it and emit the notify signal.
if self._currState != value:
self._currState = value
self.currStateChanged.emit(value)
# The property's notify signal.
currStateChanged = pyqtSignal(bool)
# The property exposed to a remote client.
currState = pyqtProperty(bool, fget=_get_currState, fset=_set_currState,
notify=currStateChanged)
# The slot exposed to a remote client.
@pyqtSlot(bool)
def server_slot(self, clientState):
# The switch state echoed back by the client.
print("Replica state is", clientState)
def _timeout(self):
# Note that we don't decorate this callable so that it doesn't get
# exposed in a replica.
self.currState = not self.currState
print("Source state is", self.currState)
if __name__ == '__main__':
app = QCoreApplication(sys.argv)
# Create the simple switch.
srcSwitch = SimpleSwitch()
# Create the node that hosts the registry. This could be in a separate
# process.
regNode = QRemoteObjectRegistryHost(QUrl('local:registry'))
# Create the host object node. This will connect to the registry node
# rather than to a client.
srcNode = QRemoteObjectHost(QUrl('local:replica'), QUrl('local:registry'))
# Enable remoting.
srcNode.enableRemoting(srcSwitch, 'SimpleSwitch')
sys.exit(app.exec_())

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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the PyQt examples.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import pyqtSignal, pyqtSlot, QCoreApplication, QObject, QUrl
from PyQt5.QtRemoteObjects import QRemoteObjectNode
class DynamicClient(QObject):
# This signal is connected with server_slot() slot of the source object and
# echoes back the switch state received from the source.
echoSwitchState = pyqtSignal(bool)
def __init__(self, replica, parent=None):
super().__init__(parent)
self._replica = replica
self._clientSwitchState = False
replica.initialized.connect(self.initConnection)
@pyqtSlot(bool)
def recSwitchState(self, value):
self._clientSwitchState = self._replica.property('currState')
print("Received source state", value, self._clientSwitchState)
# Emit the signal to echo the received state back to the server.
self.echoSwitchState.emit(self._clientSwitchState)
@pyqtSlot()
def initConnection(self):
# Connect the replica source signal currStateChanged() with the
# client's recSwitchState() slot to receive the source's current state.
self._replica.currStateChanged.connect(self.recSwitchState)
# Connect the client's echoSwitchState() signal with replica's
# server_slot() to echo back the received state.
self.echoSwitchState.connect(self._replica.server_slot)
if __name__ == '__main__':
app = QCoreApplication(sys.argv)
# Create the remote object node.
repNode = QRemoteObjectNode(QUrl('local:registry'))
# Acquire a replica of the source from the host node.
replica = repNode.acquireDynamic('SimpleSwitch')
# Create the client switch object and pass the replica to it.
rswitch = DynamicClient(replica)
sys.exit(app.exec_())

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QtRemoteObjects/simpleswitch/registryconnecteddynamicserver.py Normal file
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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 Riverbank Computing Limited
## Copyright (C) 2017 Ford Motor Company
##
## This file is part of the PyQt examples.
##
## $QT_BEGIN_LICENSE:BSD$
## 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.
##
## BSD License Usage
## Alternatively, 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 sys
from PyQt5.QtCore import (pyqtProperty, pyqtSignal, pyqtSlot, QCoreApplication,
QObject, QTimer, QUrl)
from PyQt5.QtRemoteObjects import QRemoteObjectHost, QRemoteObjectRegistryHost
class SimpleSwitch(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self._currState = False
self._stateChangeTimer = QTimer(self)
self._stateChangeTimer.timeout.connect(self._timeout)
self._stateChangeTimer.start(2000)
print("Source node started")
# PyQt does not support the use of static source types defined in .rep
# files. However we can manually specify a dynamic type that matches a
# .rep defined type by defining properties, signals and slots in the same
# order. We also have to account for any internals also generated by the
# .rep generator. At the moment this only includes an extra 'push' slot
# for each property (that never seems to get called). This allows this
# example to act as a server for Qt's C++ 'directconnectclient' example.
# It is not necessary when using with clients that use dynamic source types
# (written using either C++ or Python).
@pyqtSlot()
def pushCurrState(self, currState):
pass
def _get_currState(self):
return self._currState
def _set_currState(self, value):
# If the value has changed then update it and emit the notify signal.
if self._currState != value:
self._currState = value
self.currStateChanged.emit(value)
# The property's notify signal.
currStateChanged = pyqtSignal(bool)
# The property exposed to a remote client.
currState = pyqtProperty(bool, fget=_get_currState, fset=_set_currState,
notify=currStateChanged)
# The slot exposed to a remote client.
@pyqtSlot(bool)
def server_slot(self, clientState):
# The switch state echoed back by the client.
print("Replica state is", clientState)
def _timeout(self):
# Note that we don't decorate this callable so that it doesn't get
# exposed in a replica.
self.currState = not self.currState
print("Source state is", self.currState)
if __name__ == '__main__':
app = QCoreApplication(sys.argv)
# Create the simple switch.
srcSwitch = SimpleSwitch()
# Create the node that hosts the registry. This could be in a separate
# process.
regNode = QRemoteObjectRegistryHost(QUrl('local:registry'))
# Create the host object node. This will connect to the registry node
# rather than to a client.
srcNode = QRemoteObjectHost(QUrl('local:replica'), QUrl('local:registry'))
# Enable remoting.
srcNode.enableRemoting(srcSwitch, 'SimpleSwitch')
sys.exit(app.exec_())

4
README.md
View file

@ -168,6 +168,10 @@ https://pyqt5.com 社区是专门针对PyQt5学习和提升开设的博客网站
- [窗口翻转动画（仿QQ）](QPropertyAnimation/FlipWidgetAnimation.py)
- [折叠动画](Test/partner_625781186/2.折叠控件)
- [RemoteObjects](QtRemoteObjects)
- [modelview](QtRemoteObjects/modelview)
- [simpleswitch](QtRemoteObjects/simpleswitch)
- Others
- [QFont](QFont)
- [加载自定义字体](QFont/AwesomeFont.py)