pip install beets beet config -p yaml convert: format: mp3 dest: ~/Music/converted beet convert beet convert /path/to/directory python import os from beets import ui, config, plugins, library, util config_file = os.path.expanduser('~/.config/beets/config.yaml') config.configure(config_file) config['convert']['format'] = 'mp3' config['convert']['dest'] = '~/Music/converted' plugins.LoadPluginCommands() libraries = [library.Library(config['library']['path'])] ui._open_library(libraries) ui.commands['convert'].func(config, config['convert']) ui._close_library()