sdbus
Modern Python D-Bus library. Based on sd-bus from libsystemd.
Decision gist · record as of 2026-08-14
Yes, if you need D-Bus communication on Linux and are targeting x86_64, aarch64, or armv7l with glibc 2.28+. The library is actively maintained, has no known vulnerabilities, offers good type hint support, and eliminates system dependency friction via static linking. The copyleft license (LGPL-2.1-or-later) is permissive for most use cases but requires attention if you plan to modify or redistribute the library itself. Not suitable for non-Linux platforms or unsupported architectures.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9+, glibc 2.28+, and x86_64/aarch64/armv7l architecture.
- Source builds need libsystemd headers, GCC, and pkg-config.
- Medium install friction due to binary wheel availability limited to x86_64, aarch64, and armv7l architectures with glibc 2.28+.
License · maintenance · safety
LGPL-2.1-or-later (copyleft) — Licensed under LGPL-2.1-or-later, a copyleft license. Derivative works and modifications must be distributed under compatible terms; static linking of libsystemd is included in the binary package.
last release 2025-12-21 (236 days) · last repo commit 2026-08-08 · 112 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 616,900 downloads/mo, #5,738 on PyPI
Alternatives
Verify before relying
pip install --only-binary ':all:' sdbus
from sdbus import DbusInterfaceCommonAsync, dbus_method_async
class MyInterface(DbusInterfaceCommonAsync, interface_name='org.example.test'):
@dbus_method_async(input_signature='s', result_signature='s')
async def echo(self, text: str) -> str:
return text- Stability of the API beyond documented interfaces—description notes API is not stable and features may be deprecated.
- Performance characteristics compared to other D-Bus bindings for Python.
- Completeness of type hints coverage across all public APIs.
What it is and what it does
sdbus is a modern Python wrapper around systemd's sd-bus library, providing both synchronous and asynchronous D-Bus communication for Linux systems. It exposes D-Bus methods, properties, and signals through a unified interface that works for both client and server roles, with full type hints and asyncio support. The library statically links libsystemd in its binary wheels, eliminating the need to install system dependencies on supported platforms.
The package is designed for developers building inter-process communication (IPC) on Linux, whether calling existing D-Bus services or implementing new ones. It supports keyword and default arguments in D-Bus methods, integrates with the asyncio event loop, and includes implementations for common D-Bus interfaces like Freedesktop Notifications, Network Manager, and Secrets. The API is still evolving—documented features are considered stable but may be deprecated with warnings—and the project actively maintains compatibility with modern Python versions.
Use it for
- Build a D-Bus service that exposes methods and properties to other system processes without writing boilerplate interface definitions twice.
- Call systemd or other system D-Bus services asynchronously from Python applications with type-safe method signatures.
- Implement desktop notifications, network configuration, or secret storage integration using Freedesktop D-Bus standards.
- Create inter-process communication between Python services on Linux with minimal system dependency overhead.
- Monitor and react to D-Bus signals (e.g., system events) in an asyncio-based application.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need D-Bus communication on Linux and are targeting x86_64, aarch64, or armv7l with glibc 2.28+.
The library is actively maintained, has no known vulnerabilities, offers good type hint support, and eliminates system dependency friction via static linking. The copyleft license (LGPL-2.1-or-later) is permissive for most use cases but requires attention if you plan to modify or redistribute the library itself. Not suitable for non-Linux platforms or unsupported architectures.
Install
sdbus on PyPI
Before you install
Medium install friction due to binary wheel availability limited to x86_64, aarch64, and armv7l architectures with glibc 2.28+. Active maintenance with recent commits and no known vulnerabilities. Requires Python 3.9 or higher.
Requires Python 3.9+, glibc 2.28+, and x86_64/aarch64/armv7l architecture. Source builds need libsystemd headers, GCC, and pkg-config.
License in practice
Licensed under LGPL-2.1-or-later, a copyleft license. Derivative works and modifications must be distributed under compatible terms; static linking of libsystemd is included in the binary package.
Quickstart
pip install --only-binary ':all:' sdbus
from sdbus import DbusInterfaceCommonAsync, dbus_method_async
class MyInterface(DbusInterfaceCommonAsync, interface_name='org.example.test'):
@dbus_method_async(input_signature='s', result_signature='s')
async def echo(self, text: str) -> str:
return textVerify before relying
- Stability of the API beyond documented interfaces—description notes API is not stable and features may be deprecated.
- Performance characteristics compared to other D-Bus bindings for Python.
- Completeness of type hints coverage across all public APIs.
Package facts
| License | LGPL-2.1-or-later copyleft |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 236 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 616,900 / month, #5,738 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)Operating System :: POSIX :: LinuxProgramming Language :: Python :: 3 :: OnlyTopic :: Software Development :: Libraries :: Python Modules |
Evidence: sdbus-0.14.2-cp39-abi3-manylinux_2_28_aarch64.whl; sdbus-0.14.2-cp39-abi3-manylinux_2_28_armv7l.whl; sdbus-0.14.2-cp39-abi3-manylinux_2_28_x86_64.whl
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See also dbus-fast · systemd-python · dbus-python · jeepney · dbus-next · cysystemd · sdnotify · pyserial-asyncio · ft4222 · notify2