beets-autogenre

A beets plugin to assign genres to all items within your music library.

Features

• Gets genres from last.fm using the lastgenre plugin.
• Favours track as last.fm genre source when track is a remix.
• Fallback to estimating the genre using the xtractor plugin / Essentia.
• Fixes the genre of (re)mixes by matching the genre tree against the track and album title.
• Allows to specify the genre per item manually.

Dependencies

The following beets plugins and their dependencies must be installed:

• lastgenre plugin.
• xtractor plugin which relies on Essentia.

Installation

python3 -m pip install beets-autogenre

Configuration

Enable the plugin and add a autogenre section to your beets config.yaml as follows:

plugins:
  - autogenre
  - lastgenre
  - xtractor

autogenre:
  pretend: false
  all: false
  force: false
  lastgenre: true
  xtractor: true
  from_title: true
  genre_rosamerica_strong: 0.8
  genre_electronic_strong: 0.8
  genre_electronic_prepend: 0.5
  genre_electronic_append: 0.45

lastgenre:
  auto: false
  prefer_specific: true
  source: album
  count: 4
  min_weight: 15
  canonical: /etc/beets/genre-tree.yaml
  whitelist: /etc/beets/genres.txt

xtractor:
  auto: no
  dry-run: no
  write: yes
  threads: 4
  force: no
  quiet: no
  keep_output: no
  keep_profiles: no
  output_path: /tmp/xtractor
  essentia_extractor: /usr/local/bin/essentia_streaming_extractor_music
  high_level_targets:
    genre_rosamerica_probability: # 0..1
      path: "highlevel.genre_rosamerica.probability"
      type: float
    genre_electronic:
      path: "highlevel.genre_electronic.value"
      type: string
    genre_electronic_probability: # 0..1
      path: "highlevel.genre_electronic.probability"
      type: float
    timbre: # "dark" or "bright"
      path: "highlevel.timbre.value"
      type: string
    tonal_atonal: # "tonal" or "atonal"
      path: "highlevel.tonal_atonal.value"
      type: string
    key_edma: # e.g. "C#"
      path: "tonal.key_edma.key"
      type: string
    key_edma_scale: # e.g. "minor"
      path: "tonal.key_edma.scale"
      type: string
  extractor_profile:
    highlevel:
      svm_models:
        - /var/lib/essentia/svm-models/beta5/danceability.history
        - /var/lib/essentia/svm-models/beta5/gender.history
        - /var/lib/essentia/svm-models/beta5/genre_rosamerica.history
        - /var/lib/essentia/svm-models/beta5/genre_electronic.history
        - /var/lib/essentia/svm-models/beta5/mood_acoustic.history
        - /var/lib/essentia/svm-models/beta5/mood_aggressive.history
        - /var/lib/essentia/svm-models/beta5/mood_electronic.history
        - /var/lib/essentia/svm-models/beta5/mood_happy.history
        - /var/lib/essentia/svm-models/beta5/mood_sad.history
        - /var/lib/essentia/svm-models/beta5/mood_party.history
        - /var/lib/essentia/svm-models/beta5/mood_relaxed.history
        - /var/lib/essentia/svm-models/beta5/moods_mirex.history
        - /var/lib/essentia/svm-models/beta5/voice_instrumental.history
        - /var/lib/essentia/svm-models/beta5/tonal_atonal.history
        - /var/lib/essentia/svm-models/beta5/timbre.history

For more information, see CLI.

Usage

Once the autogenre plugin is enabled within your beets configuration, you can detect and assign the genres for each track within your library as follows:

beet autogenre

CLI

Usage: beet autogenre [options]

Options:
  -h, --help          show this help message and exit
  --pretend           do not persist item changes but log them
  -f, --force         reevaluate genres for items with a matching genre_source
  -a, --all           overwrite genre if genre_source not specified
  --no-all            do not overwrite genre from unspecified source
  --lastgenre         use lastgenre plugin
  --no-lastgenre      do not use lastgenre plugin
  --xtractor          use xtractor plugin
  --no-xtractor       do not use xtractor plugin
  --from-title        derive genre from title
  --no-from-title     do not derive genre from title
  --parent-genres     add primary genre's parent genres
  --no-parent-genres  do not add primary genre's parent genres
  --genre=GENRE       specify the genre to assign to the selected items

Development

Run the unit tests (containerized):

make test

Run the e2e tests (containerized):

make test-e2e

To test your plugin changes manually, you can run a shell within a beets docker container as follows:

make beets-sh

A temporary beets library is written to ./data. It can be removed by calling make clean-data.