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Publish a MediaPlayer2 MPRIS device to D-Bus.

Project description

▶️ Add MPRIS Integration to Media Players

mpris_server provides adapters to integrate MPRIS support in your media player or device. By supporting MPRIS in your app, you will allow Linux users to control all aspects of playback from the media controllers they already have installed.

Whereas existing MPRIS libraries for Python implement clients for apps with existing MPRIS support, mpris_server is a library to implement MPRIS support in apps that don't already have it. If you want to give your media player an MPRIS interface, mpris_server is right for you.

mpris_server is a fork of Mopidy-MPRIS that was extended and made into a general purpose library.

Check out 📺chromecast_mpris for an app that uses mpris_server.


Implements the following from the MPRIS specification:

  • MediaPlayer2
  • MediaPlayer2.Player
  • MediaPlayer2.Playlist
  • MediaPlayer2.TrackList

The library also provides an event handler that emits org.freedesktop.DBus.Properties.PropertiesChanged in response to changes in your media player. This allows for real-time updates from your media player to DBus.



Installing PyGObject

On Debian-derived distributions like Ubuntu, install python3-gi with apt. On Arch, you'll want to install python-gobject. On macOS, install pygobject3 via brew.

Use pip to install PyGObject>=3.34.0 if there are no installation candidates available in your vendor's package repositories.


pip3 install mpris_server


Clone the repo, run pip3 install -r requirements.txt, followed by python3 install.


Implement adapters.MprisAdapter

Subclass adapters.MprisAdapter and implement each method.

After subclassing, pass an instance to an instance of server.Server.

Implement events.EventAdapter

Subclass adapters.EventAdapter. This interface has a good default implementation, only override its methods if your app calls for it.

If you choose to re-implement its methods, call emit_changes() with the corresponding interface and a List[str] of properties that changed.

Integrate the adapter with your application to emit changes in your media player that DBus needs to know about. For example, if the user pauses the media player, be sure to call EventAdapter.on_playpause() in the app. DBus won't know about the change otherwise.

Create the Server and Publish

Create an instance of server.Server, pass it an instance of your MprisAdapter, and call publish() to publish your media player via DBus.

mpris = Server('MyMediaPlayer', adapter=my_adapter)

Call loop() to enter the DBus event loop, or enter the DBus event loop elsewhere in your code.



from gi.repository import GLib

loop = GLib.MainLoop()


from mpris_server.adapters import MprisAdapter
from import EventAdapter
from mpris_server.server import Server
from mpris_server import Metadata

from my_app import app  # custom app you want to integrate

class MyAppAdapter(MprisAdapter):
    # Make sure to implement all methods on MprisAdapter, not just metadata()
    def metadata(self) -> Metadata:
    # and so on

class MyAppEventHandler(EventAdapter):
    # EventAdapter has good default implementations for its methods.
    # Only override the default methods if it suits your app.

    def on_app_event(self, event: str):
        # trigger DBus updates based on events in your app
        if event == 'pause':
    # and so on

# create mpris adapter and initialize mpris server
my_adapter = MyAppAdapter()
mpris = Server('MyApp', adapter=my_adapter)

# initialize app integration with mpris
event_handler = MyAppEventHandler(root=mpris.root, player=mpris.player)

# publish and serve


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mpris_server is released under the LGPLv3, see LICENSE. Message me if you'd like to use this project with a different license.

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