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prd-web-01.centraldc.gr

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Metadata-Version: 2.1
Name: dasbus
Version: 1.7
Summary: DBus library in Python 3
Home-page: https://github.com/rhinstaller/dasbus
Author: Vendula Poncova
Author-email: vponcova@redhat.com
Keywords: dbus glib library
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

# 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 operating 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/) or install the package
provided by your operating system if available.

### Install from PyPI

Follow the instructions above to install the requirements before you install `dasbus` with `pip`.
The required dependencies has to be installed manually in this case.

```
pip3 install dasbus
```

### Install the system package

Follow the instructions for your operating system to install the `python-dasbus` package.
The required dependencies should be installed automatically by the system package manager.

* [Arch Linux](https://dasbus.readthedocs.io/en/latest/#install-on-arch-linux)
* [Debian / Ubuntu](https://dasbus.readthedocs.io/en/latest/#install-on-debian-ubuntu)
* [Fedora / CentOS / RHEL](https://dasbus.readthedocs.io/en/latest/#install-on-fedora-centos-rhel)
* [openSUSE](https://dasbus.readthedocs.io/en/latest/#install-on-opensuse)

## 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()
```

Asynchronously fetch a list of network devices.

```python
from dasbus.loop import EventLoop
loop = EventLoop()

from dasbus.connection import SystemMessageBus
bus = SystemMessageBus()

proxy = bus.get_proxy(
    "org.freedesktop.NetworkManager",
    "/org/freedesktop/NetworkManager"
)

def callback(call):
    print(call())

proxy.GetDevices(callback=callback)
loop.run()
```

Inhibit the system suspend and hibernation.

```python
import os
from dasbus.connection import SystemMessageBus
from dasbus.unix import GLibClientUnix
bus = SystemMessageBus()

proxy = bus.get_proxy(
    "org.freedesktop.login1",
    "/org/freedesktop/login1",
    client=GLibClientUnix
)

fd = proxy.Inhibit(
    "sleep", "my-example", "Running an example", "block"
)

proxy.ListInhibitors()
os.close(fd)
```

Define the org.example.HelloWorld service.

```python
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)
```

Define the org.example.HelloWorld service with an automatically generated XML specification.

```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__)
```

Publish the org.example.HelloWorld service on the session message bus.

```python
from dasbus.connection import SessionMessageBus
bus = SessionMessageBus()
bus.publish_object("/org/example/HelloWorld", HelloWorld())
bus.register_service("org.example.HelloWorld")

from dasbus.loop import EventLoop
loop = EventLoop()
loop.run()
```

See more examples in the [documentation](https://dasbus.readthedocs.io/en/latest/examples.html).

## 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.

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 dependency_links.txt	TXT	1 B	2024-10-29 00:00	EDIT
📄 PKG-INFO	?	6.1 KB	2024-10-29 00:00	EDIT
📄 SOURCES.txt	TXT	1.6 KB	2024-10-29 00:00	EDIT
📄 top_level.txt	TXT	7 B	2024-10-29 00:00	EDIT

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