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rescrobbled

Rescrobbled is a music scrobbler daemon. It detects active media players running on D-Bus using MPRIS, automatically updates "now playing" status, and scrobbles songs to Last.fm or ListenBrainz-compatible services as they play.

Among other things, due to sharing a Spotify account (I know, I know), I needed a way to scrobble to Last.fm without connecting the Spotify account to my Last.fm account. Rescrobbled offers a simple solution for this.

Installation

You can download one of the prebuilt binaries here. The binary can be placed anywhere you like.

Rescrobbled is available on crates.io:

cargo install rescrobbled

Alternatively you can install from source using cargo install --path . from the crate root.

There is also an AUR package by brycied00d, which should always build the latest version of rescrobbled from this repository.

Configuration

Rescrobbled expects a configuration file at ~/.config/rescrobbled/config.toml with the following format:

lastfm-key = "Last.fm API key"
lastfm-secret = "Last.fm API secret"
min-play-time = 0
player-whitelist = [ "Player MPRIS identity or bus name" ]
filter-script = "path/to/script"

[[listenbrainz]]
url = "Custom API URL"
token = "User token"

All settings are optional, although rescrobbled isn't very useful without Last.fm or ListenBrainz credentials. ;-)

If the config file doesn't exist, rescrobbled will generate an example config for you when you run it for the first time.

lastfm-key, lastfm-secret

To use rescrobbled with Last.fm, you'll need a Last.fm API key and secret. These can be obtained here.

min-play-time

Minimum play time in seconds before a song is scrobbled.

By default, track submission respects Last.fm's recommended behavior: songs should only be scrobbled if they have been playing for at least half their duration, or for 4 minutes, whichever comes first. Using min-play-time you can override this.

player-whitelist

If empty or ommitted, music from all players will be scrobbled; otherwise, rescrobbled will only listen to players in this list.

A CLI application like playerctl can be used to determine a player's name for the whitelist. To do so, start playing a song and run the following command:

playerctl --list-all

filter-script

The filter-script will be run before updating status and before submitting tracks. It receives the following properties on consecutive lines of its standard input (separated by \n):

• artist;
• song title;
• album name;
• zero or more comma-separated (,) genre(s)

The script should write the filtered artist, song title and album name on corresponding lines of its standard output. This can be used to clean up song names, for example removing "remastered" and similar suffixes. If the filter script does not return any output, the current track will be ignored.

A number of example scripts can be found in the filter-script-examples directory.

[[listenbrainz]]

You can specify one or more ListenBrainz instances by repeating this option. Each definition needs at least a token. You can set url to use a custom API URL (eg. for use with custom ListenBrainz instances or services like Maloja). If the URL is not provided, it defaults to the ListenBrainz.org instance.

If you only want to use ListenBrainz.org, you can set the listenbrainz-token option as a shorthand instead.

For ListenBrainz.org, the user token can be found here. Other services might do this differently, refer to their documentation for more info.

Note: due to the way TOML works, these need to be the last thing in your config file.

Usage

To make sure that rescrobbled can scrobble to Last.fm, you need to run the program in a terminal. This will prompt you for your Last.fm username and password, and authenticate with Last.fm. A long-lasting session token is then obtained, which will be used on subsequent runs instead of your username/password. The session token is stored in ~/.config/rescrobbled/session.

If you want to run rescrobbled as a daemon, you can put the provided systemd unit file in the ~/.config/systemd/user/ directory. Change ExecStart to point to the location of the binary, as necessary. Then, to enable the program to run at startup, use:

systemctl --user enable rescrobbled.service

You can run it in the current session using:

systemctl --user start rescrobbled.service

Project resources

• Issues
• Changelog
• Releases

Issues and pull requests are more than welcome! Development happens on the development branch, so please create pull requests against that. All contributions will be licensed under GPLv3.

License

GPL-3.0, see LICENSE.