beets/docs/plugins/discogs.rst
J0J0 T 2a53b890be Add to discogs plugin docs regarding PR #4227
- Clarify basic search behaviour in intro chapter of discogs plugin,
- and state change introduced in PR#4227 (discogs: Discogs query on
  insufficiently tagged files)
2022-01-10 09:10:21 +01:00

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Discogs Plugin
==============
The ``discogs`` plugin extends the autotagger's search capabilities to
include matches from the `Discogs`_ database.
.. _Discogs: https://discogs.com
Installation
------------
To use the ``discogs`` plugin, first enable it in your configuration (see
:ref:`using-plugins`). Then, install the `python3-discogs-client`_ library by typing::
pip install python3-discogs-client
You will also need to register for a `Discogs`_ account, and provide
authentication credentials via a personal access token or an OAuth2
authorization.
Matches from Discogs will now show up during import alongside matches from
MusicBrainz. The search terms sent to the Discogs API are based on the artist
and album tags of your tracks. If those are empty no query will be issued.
If you have a Discogs ID for an album you want to tag, you can also enter it
at the "enter Id" prompt in the importer.
OAuth Authorization
```````````````````
The first time you run the :ref:`import-cmd` command after enabling the plugin,
it will ask you to authorize with Discogs by visiting the site in a browser.
Subsequent runs will not require re-authorization.
Authentication via Personal Access Token
````````````````````````````````````````
As an alternative to OAuth, you can get a token from Discogs and add it to
your configuration.
To get a personal access token (called a "user token" in the `python3-discogs-client`_
documentation), login to `Discogs`_, and visit the
`Developer settings page
<https://www.discogs.com/settings/developers>`_. Press the ``Generate new
token`` button, and place the generated token in your configuration, as the
``user_token`` config option in the ``discogs`` section.
Configuration
-------------
This plugin can be configured like other metadata source plugins as described in :ref:`metadata-source-plugin-configuration`.
There is one additional option in the ``discogs:`` section, ``index_tracks``.
Index tracks (see the `Discogs guidelines
<https://support.discogs.com/hc/en-us/articles/360005055373-Database-Guidelines-12-Tracklisting#12.13>`_),
along with headers, mark divisions between distinct works on the same release
or within works. When ``index_tracks`` is enabled::
discogs:
index_tracks: yes
beets will incorporate the names of the divisions containing each track into
the imported track's title. For example, importing
`this album
<https://www.discogs.com/Handel-Sutherland-Kirkby-Kwella-Nelson-Watkinson-Bowman-Rolfe-Johnson-Elliott-Partridge-Thomas-The-A/release/2026070>`_
would result in track names like::
Messiah, Part I: No.1: Sinfony
Messiah, Part II: No.22: Chorus- Behold The Lamb Of God
Athalia, Act I, Scene I: Sinfonia
whereas with ``index_tracks`` disabled you'd get::
No.1: Sinfony
No.22: Chorus- Behold The Lamb Of God
Sinfonia
This option is useful when importing classical music.
Troubleshooting
---------------
Several issues have been encountered with the Discogs API. If you have one,
please start by searching for `a similar issue on the repo
<https://github.com/beetbox/beets/issues?utf8=%E2%9C%93&q=is%3Aissue+discogs>`_.
Here are two things you can try:
* Try deleting the token file (``~/.config/beets/discogs_token.json`` by
default) to force re-authorization.
* Make sure that your system clock is accurate. The Discogs servers can reject
your request if your clock is too out of sync.
.. _python3-discogs-client: https://github.com/joalla/discogs_client