diff options
author | Cristián Maureira-Fredes <Cristian.Maureira-Fredes@qt.io> | 2021-07-06 16:14:52 +0200 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2021-07-12 10:10:01 +0200 |
commit | 081bafdc94d2cc81fa88517598061237cea0329d (patch) | |
tree | 03ff552ac3e2c7caca96c52da7efdec7ffa3778a /examples | |
parent | cf66e6ec25fb9e8f51805191fe305a76f7852049 (diff) |
Add QtDBus module
- List Names example ported.
- pingpong example ported.
[ChangeLog][PySide6] The QtDBus module has been added.
Task-number: PYSIDE-1570
Done-with: Friedemann Kleint <Friedemann.Kleint@qt.io>
Change-Id: I8500662fe51754bedf63b7b3b3c3d5ef4890a755
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Diffstat (limited to 'examples')
-rw-r--r-- | examples/dbus/listnames/listnames.py | 91 | ||||
-rw-r--r-- | examples/dbus/listnames/listnames.pyproject | 3 | ||||
-rw-r--r-- | examples/dbus/pingpong/ping.py | 76 | ||||
-rw-r--r-- | examples/dbus/pingpong/pingpong.pyproject | 3 | ||||
-rw-r--r-- | examples/dbus/pingpong/pong.py | 81 |
5 files changed, 254 insertions, 0 deletions
diff --git a/examples/dbus/listnames/listnames.py b/examples/dbus/listnames/listnames.py new file mode 100644 index 000000000..7f91d3840 --- /dev/null +++ b/examples/dbus/listnames/listnames.py @@ -0,0 +1,91 @@ +############################################################################# +## +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide6 port of the QtDBus listnames example from Qt v6.x""" + +import sys +from PySide6.QtCore import QCoreApplication +from PySide6.QtDBus import (QDBusConnection, QDBusConnectionInterface, + QDBusInterface, QDBusReply) + + +def method1(): + print("Method 1:") + + session_bus = QDBusConnection.sessionBus() + reply = session_bus.interface().registeredServiceNames() + if not reply.isValid(): + print("Error:", reply.error().message()) + sys.exit(1) + values = reply.value() + for name in values: + print(name) + + +def method2(): + print("Method 2:") + + session_bus = QDBusConnection.sessionBus() + dbus_iface = QDBusInterface("org.freedesktop.DBus", "/org/freedesktop/DBus", + "org.freedesktop.DBus", session_bus) + message = dbus_iface.call("ListNames") + reply = QDBusReply(message) + print(reply.value()) + + +def method3(): + print("Method 3:") + session_bus = QDBusConnection.sessionBus() + print(session_bus.interface().registeredServiceNames().value()) + + +if __name__ == "__main__": + app = QCoreApplication() + + if not QDBusConnection.sessionBus().isConnected(): + print("Cannot connect to the D-Bus session bus.\n" + "To start it, run:\n" + "\teval `dbus-launch --auto-syntax`\n", + file=sys.stderr) + sys.exit(1) + + method1() + method2() + method3() diff --git a/examples/dbus/listnames/listnames.pyproject b/examples/dbus/listnames/listnames.pyproject new file mode 100644 index 000000000..9015cef92 --- /dev/null +++ b/examples/dbus/listnames/listnames.pyproject @@ -0,0 +1,3 @@ +{ + "files": ["listnames.py"] +} diff --git a/examples/dbus/pingpong/ping.py b/examples/dbus/pingpong/ping.py new file mode 100644 index 000000000..1d5bb07e0 --- /dev/null +++ b/examples/dbus/pingpong/ping.py @@ -0,0 +1,76 @@ +############################################################################# +## +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide6 port of the QtDBus pingpong example from Qt v6.x (ping client)""" + +import sys +from PySide6.QtCore import QCoreApplication, QObject, Slot +from PySide6.QtDBus import QDBusConnection, QDBusInterface, QDBusReply + + +SERVICE_NAME = 'org.example.QtDBus.PingExample' + + +if __name__ == "__main__": + app = QCoreApplication() + session_bus = QDBusConnection.sessionBus() + if not session_bus.isConnected(): + print("Cannot connect to the D-Bus session bus.\n" + "To start it, run:\n" + "\teval `dbus-launch --auto-syntax`\n") + sys.exit(-1) + + iface = QDBusInterface(SERVICE_NAME, '/', '', session_bus) + if not iface.isValid(): + print(session_bus.lastError().message()) + sys.exit(-1) + + argument = sys.argv[1] if len(sys.argv) > 1 else 'Hello' + message = iface.call('ping', argument) + reply = QDBusReply(message) + if not reply.isValid(): + error = reply.error().message() + print(f'ping: Call failed: {error}') + sys.exit(-1) + + value = reply.value() + print(f'ping: Reply was: {value}') + sys.exit(0) + diff --git a/examples/dbus/pingpong/pingpong.pyproject b/examples/dbus/pingpong/pingpong.pyproject new file mode 100644 index 000000000..cad30b374 --- /dev/null +++ b/examples/dbus/pingpong/pingpong.pyproject @@ -0,0 +1,3 @@ +{ + "files": ["ping.py", "pong.py"] +} diff --git a/examples/dbus/pingpong/pong.py b/examples/dbus/pingpong/pong.py new file mode 100644 index 000000000..6d633bbdf --- /dev/null +++ b/examples/dbus/pingpong/pong.py @@ -0,0 +1,81 @@ +############################################################################# +## +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide6 port of the QtDBus pingpong example from Qt v6.x (pong server)""" + +import sys +from PySide6.QtCore import QCoreApplication, QObject, Slot +from PySide6.QtDBus import QDBusConnection + + +SERVICE_NAME = "org.example.QtDBus.PingExample" + + +class Pong(QObject): + def __init__(self, parent=None): + super().__init__(parent) + + @Slot(str, result=str) + def ping(self, arg): + print(f'pong: Received ping({arg})') + qApp.quit() + return f'ping("{arg}") got called' + + +if __name__ == "__main__": + app = QCoreApplication() + session_bus = QDBusConnection.sessionBus() + if not session_bus.isConnected(): + print("Cannot connect to the D-Bus session bus.\n" + "To start it, run:\n" + "\teval `dbus-launch --auto-syntax`\n") + sys.exit(-1) + + if not session_bus.registerService(SERVICE_NAME): + print(session_bus.lastError().message()) + sys.exit(-1) + + pong = Pong() + session_bus.registerObject('/', pong, QDBusConnection.ExportAllSlots) + + print(f'pong: {SERVICE_NAME} running. Now start ping.py') + exit_code = app.exec() + print('pong: terminating') + sys.exit(exit_code) |