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Edit file: /usr/lib/python3.9/site-packages/dasbus-1.5-py3.9.egg-info/PKG-INFO

Metadata-Version: 2.1
Name: dasbus
Version: 1.5
Summary: DBus library in Python 3
Home-page: https://github.com/rhinstaller/dasbus
Author: Vendula Poncova
Author-email: vponcova@redhat.com
License: UNKNOWN
Description: # dasbus
        This DBus library is written in Python 3, based on GLib and inspired by pydbus. Find out more in
        the [documentation](https://dasbus.readthedocs.io/en/latest/).
        
        The code used to be part of the [Anaconda Installer](https://github.com/rhinstaller/anaconda)
        project. It was based on the [pydbus](https://github.com/LEW21/pydbus) library, but we replaced
        it with our own solution because its upstream development stalled. The dasbus library is
        a result of this effort.
        
        [![Build Status](https://travis-ci.com/rhinstaller/dasbus.svg?branch=master)](https://travis-ci.com/rhinstaller/dasbus)
        [![Documentation Status](https://readthedocs.org/projects/dasbus/badge/?version=latest)](https://dasbus.readthedocs.io/en/latest/?badge=latest)
        [![codecov](https://codecov.io/gh/rhinstaller/dasbus/branch/master/graph/badge.svg)](https://codecov.io/gh/rhinstaller/dasbus)
        
        ## Requirements
        
        * Python 3.6+
        * PyGObject 3
        
        You can install [PyGObject](https://pygobject.readthedocs.io) provided by your system or use PyPI.
        The system package is usually called `python3-gi`, `python3-gobject` or `pygobject3`. See the
        [instructions](https://pygobject.readthedocs.io/en/latest/getting_started.html) for your platform
        (only for PyGObject, you don't need cairo or GTK).
        
        The library is known to work with Python 3.8, PyGObject 3.34 and GLib 2.63, but these are not the
        required minimal versions.
        
        ## Installation
        
        Install the package from [PyPI](https://pypi.org/project/dasbus/). Follow the instructions above
        to install the required dependencies.
        
        ```
        pip3 install dasbus
        ```
        
        Or install the RPM package on Fedora 31+.
        
        ```
        sudo dnf install python3-dasbus
        ```
        
        ## Examples
        
        Show the current hostname.
        
        ```python
        from dasbus.connection import SystemMessageBus
        bus = SystemMessageBus()
        
        proxy = bus.get_proxy(
            "org.freedesktop.hostname1",
            "/org/freedesktop/hostname1"
        )
        
        print(proxy.Hostname)
        ```
        
        Send a notification to the notification server.
        
        ```python
        from dasbus.connection import SessionMessageBus
        bus = SessionMessageBus()
        
        proxy = bus.get_proxy(
            "org.freedesktop.Notifications",
            "/org/freedesktop/Notifications"
        )
        
        id = proxy.Notify(
            "", 0, "face-smile", "Hello World!",
            "This notification can be ignored.",
            [], {}, 0
        )
        
        print("The notification {} was sent.".format(id))
        ```
        
        Handle a closed notification.
        
        ```python
        from dasbus.loop import EventLoop
        loop = EventLoop()
        
        from dasbus.connection import SessionMessageBus
        bus = SessionMessageBus()
        
        proxy = bus.get_proxy(
            "org.freedesktop.Notifications",
            "/org/freedesktop/Notifications"
        )
        
        def callback(id, reason):
            print("The notification {} was closed.".format(id))
        
        proxy.NotificationClosed.connect(callback)
        loop.run()
        ```
        
        Run the service org.example.HelloWorld.
        
        ```python
        from dasbus.loop import EventLoop
        loop = EventLoop()
        
        from dasbus.connection import SessionMessageBus
        bus = SessionMessageBus()
        
        class HelloWorld(object):
            __dbus_xml__ = """
            <node>
                <interface name="org.example.HelloWorld">
                    <method name="Hello">
                        <arg direction="in" name="name" type="s" />
                        <arg direction="out" name="return" type="s" />
                    </method>
                </interface>
            </node>
            """
        
            def Hello(self, name):
                return "Hello {}!".format(name)
        
        bus.publish_object("/org/example/HelloWorld", HelloWorld())
        bus.register_service("org.example.HelloWorld")
        loop.run()
        ```
        
        
        ## Features
        
        Use constants to define DBus services and objects.
        
        ```python
        from dasbus.connection import SystemMessageBus
        from dasbus.identifier import DBusServiceIdentifier
        
        NETWORK_MANAGER = DBusServiceIdentifier(
            namespace=("org", "freedesktop", "NetworkManager"),
            message_bus=SystemMessageBus()
        )
        
        proxy = NETWORK_MANAGER.get_proxy()
        print(proxy.NetworkingEnabled)
        ```
        
        Use exceptions to propagate and handle DBus errors. Create an error mapper and a decorator for
        mapping Python exception classes to DBus error names. The message bus will use the given error
        mapper to transform Python exceptions to DBus errors and back.
        
        ```python
        from dasbus.error import ErrorMapper, DBusError, get_error_decorator
        error_mapper = ErrorMapper()
        dbus_error = get_error_decorator(error_mapper)
        
        from dasbus.connection import SessionMessageBus
        bus = SessionMessageBus(error_mapper=error_mapper)
        
        @dbus_error("org.freedesktop.DBus.Error.InvalidArgs")
        class InvalidArgs(DBusError):
            pass
        ```
        
        Call DBus methods asynchronously.
        
        ```python
        from dasbus.loop import EventLoop
        loop = EventLoop()
        
        def callback(call):
            print(call())
        
        proxy = NETWORK_MANAGER.get_proxy()
        proxy.GetDevices(callback=callback)
        loop.run()
        ```
        
        Generate XML specifications from Python classes.
        
        ```python
        from dasbus.server.interface import dbus_interface
        from dasbus.typing import Str
        
        @dbus_interface("org.example.HelloWorld")
        class HelloWorld(object):
        
            def Hello(self, name: Str) -> Str:
                return "Hello {}!".format(name)
        
        print(HelloWorld.__dbus_xml__)
        ```
        
        Represent DBus structures by Python objects.
        
        ```python
        from dasbus.structure import DBusData
        from dasbus.typing import Str, get_variant
        
        class UserData(DBusData):
            def __init__(self):
                self._name = ""
        
            @property
            def name(self) -> Str:
                return self._name
        
            @name.setter
            def name(self, name):
                self._name = name
        
        data = UserData()
        data.name = "Alice"
        
        print(UserData.to_structure(data))
        print(UserData.from_structure({
            "name": get_variant(Str, "Bob")
        }))
        ```
        
        Create Python objects that can be published on DBus.
        
        ```python
        from dasbus.server.interface import dbus_interface
        from dasbus.server.template import InterfaceTemplate
        from dasbus.server.publishable import Publishable
        from dasbus.typing import Str
        
        @dbus_interface("org.example.Chat")
        class ChatInterface(InterfaceTemplate):
        
            def Send(self, message: Str):
                return self.implementation.send()
        
        class Chat(Publishable):
        
            def for_publication(self):
                return ChatInterface(self)
        
            def send(self, message):
                print(message) 
        
        ```
        
        Use DBus containers to publish dynamically created Python objects.
        
        ```python
        from dasbus.connection import SessionMessageBus
        from dasbus.server.container import DBusContainer
        
        container = DBusContainer(
            namespace=("org", "example", "Chat"),
            message_bus=SessionMessageBus()
        )
        
        print(container.to_object_path(Chat()))
        ```
        
        ## Inspiration
        
        Look at the [complete examples](https://github.com/rhinstaller/dasbus/tree/master/examples) or
        [DBus services](https://github.com/rhinstaller/anaconda/tree/master/pyanaconda/modules) of
        the Anaconda Installer for more inspiration.
        
Keywords: dbus glib library
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)
Classifier: Programming Language :: Python :: 3
Requires-Python: >=3.6
Description-Content-Type: text/markdown
License-File: LICENSE

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