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Add custom feat words for ftintitle (#6090)

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## Description

For non English tracks (Swedish in my case) feat. words might be
something that ftintitle doesn't pick up.
Eg. for the song `Promoe med Afasi - Inflation`
[https://musicbrainz.org/recording/8e236347-61d6-4e11-9980-52f4cc6b905f](https://musicbrainz.org/recording/8e236347-61d6-4e11-9980-52f4cc6b905f)
the word `med` is `feat.` in Swedish.
With this PR you can add what ever word you wish to match as feat. so it
should cover any kind of language.

The config.yaml could look like this:
ftintitle:
  custom_feat_words: ["med"]

## To Do

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This commit is contained in:
henry 2025-10-14 20:38:02 -07:00 committed by GitHub
commit 0bf248d355
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5 changed files with 121 additions and 19 deletions
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6
beets/plugins.py
View file

@ -649,13 +649,17 @@ def send(event: EventType, **arguments: Any) -> list[Any]:
]
def feat_tokens(for_artist: bool = True) -> str:
def feat_tokens(
for_artist: bool = True, custom_words: list[str] | None = None
) -> str:
"""Return a regular expression that matches phrases like "featuring"
that separate a main artist or a song title from secondary artists.
The `for_artist` option determines whether the regex should be
suitable for matching artist fields (the default) or title fields.
"""
feat_words = ["ft", "featuring", "feat", "feat.", "ft."]
if isinstance(custom_words, list):
feat_words += custom_words
if for_artist:
feat_words += ["with", "vs", "and", "con", "&"]
return (

59
beetsplug/ftintitle.py
View file

@ -27,7 +27,9 @@ if TYPE_CHECKING:
def split_on_feat(
artist: str, for_artist: bool = True
artist: str,
for_artist: bool = True,
custom_words: list[str] | None = None,
) -> tuple[str, str | None]:
"""Given an artist string, split the "main" artist from any artist
on the right-hand side of a string like "feat". Return the main
@ -35,7 +37,9 @@ def split_on_feat(
may be a string or None if none is present.
"""
# split on the first "feat".
regex = re.compile(plugins.feat_tokens(for_artist), re.IGNORECASE)
regex = re.compile(
plugins.feat_tokens(for_artist, custom_words), re.IGNORECASE
)
parts = tuple(s.strip() for s in regex.split(artist, 1))
if len(parts) == 1:
return parts[0], None
@ -44,18 +48,22 @@ def split_on_feat(
return parts
def contains_feat(title: str) -> bool:
def contains_feat(title: str, custom_words: list[str] | None = None) -> bool:
"""Determine whether the title contains a "featured" marker."""
return bool(
re.search(
plugins.feat_tokens(for_artist=False),
plugins.feat_tokens(for_artist=False, custom_words=custom_words),
title,
flags=re.IGNORECASE,
)
)
def find_feat_part(artist: str, albumartist: str | None) -> str | None:
def find_feat_part(
artist: str,
albumartist: str | None,
custom_words: list[str] | None = None,
) -> str | None:
"""Attempt to find featured artists in the item's artist fields and
return the results. Returns None if no featured artist found.
"""
@ -69,20 +77,24 @@ def find_feat_part(artist: str, albumartist: str | None) -> str | None:
# featured artist.
if albumartist_split[1] != "":
# Extract the featured artist from the right-hand side.
_, feat_part = split_on_feat(albumartist_split[1])
_, feat_part = split_on_feat(
albumartist_split[1], custom_words=custom_words
)
return feat_part
# Otherwise, if there's nothing on the right-hand side,
# look for a featuring artist on the left-hand side.
else:
lhs, _ = split_on_feat(albumartist_split[0])
lhs, _ = split_on_feat(
albumartist_split[0], custom_words=custom_words
)
if lhs:
return lhs
# Fall back to conservative handling of the track artist without relying
# on albumartist, which covers compilations using a 'Various Artists'
# albumartist and album tracks by a guest artist featuring a third artist.
_, feat_part = split_on_feat(artist, False)
_, feat_part = split_on_feat(artist, False, custom_words)
return feat_part
@ -96,6 +108,7 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
"drop": False,
"format": "feat. {}",
"keep_in_artist": False,
"custom_words": [],
}
)
@ -120,10 +133,13 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
self.config.set_args(opts)
drop_feat = self.config["drop"].get(bool)
keep_in_artist_field = self.config["keep_in_artist"].get(bool)
custom_words = self.config["custom_words"].get(list)
write = ui.should_write()
for item in lib.items(args):
if self.ft_in_title(item, drop_feat, keep_in_artist_field):
if self.ft_in_title(
item, drop_feat, keep_in_artist_field, custom_words
):
item.store()
if write:
item.try_write()
@ -135,9 +151,12 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
"""Import hook for moving featuring artist automatically."""
drop_feat = self.config["drop"].get(bool)
keep_in_artist_field = self.config["keep_in_artist"].get(bool)
custom_words = self.config["custom_words"].get(list)
for item in task.imported_items():
if self.ft_in_title(item, drop_feat, keep_in_artist_field):
if self.ft_in_title(
item, drop_feat, keep_in_artist_field, custom_words
):
item.store()
def update_metadata(
@ -146,6 +165,7 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
feat_part: str,
drop_feat: bool,
keep_in_artist_field: bool,
custom_words: list[str],
) -> None:
"""Choose how to add new artists to the title and set the new
metadata. Also, print out messages about any changes that are made.
@ -158,17 +178,21 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
"artist: {.artist} (Not changing due to keep_in_artist)", item
)
else:
track_artist, _ = split_on_feat(item.artist)
track_artist, _ = split_on_feat(
item.artist, custom_words=custom_words
)
self._log.info("artist: {0.artist} -> {1}", item, track_artist)
item.artist = track_artist
if item.artist_sort:
# Just strip the featured artist from the sort name.
item.artist_sort, _ = split_on_feat(item.artist_sort)
item.artist_sort, _ = split_on_feat(
item.artist_sort, custom_words=custom_words
)
# Only update the title if it does not already contain a featured
# artist and if we do not drop featuring information.
if not drop_feat and not contains_feat(item.title):
if not drop_feat and not contains_feat(item.title, custom_words):
feat_format = self.config["format"].as_str()
new_format = feat_format.format(feat_part)
new_title = f"{item.title} {new_format}"
@ -180,6 +204,7 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
item: Item,
drop_feat: bool,
keep_in_artist_field: bool,
custom_words: list[str],
) -> bool:
"""Look for featured artists in the item's artist fields and move
them to the title.
@ -196,19 +221,21 @@ class FtInTitlePlugin(plugins.BeetsPlugin):
if albumartist and artist == albumartist:
return False
_, featured = split_on_feat(artist)
_, featured = split_on_feat(artist, custom_words=custom_words)
if not featured:
return False
self._log.info("{.filepath}", item)
# Attempt to find the featured artist.
feat_part = find_feat_part(artist, albumartist)
feat_part = find_feat_part(artist, albumartist, custom_words)
if not feat_part:
self._log.info("no featuring artists found")
return False
# If we have a featuring artist, move it to the title.
self.update_metadata(item, feat_part, drop_feat, keep_in_artist_field)
self.update_metadata(
item, feat_part, drop_feat, keep_in_artist_field, custom_words
)
return True

2
docs/changelog.rst
View file

@ -9,6 +9,8 @@ Unreleased
New features:
- :doc:`plugins/ftintitle`: Added argument for custom feat. words in ftintitle.
Bug fixes:
For packagers:

2
docs/plugins/ftintitle.rst
View file

@ -28,6 +28,8 @@ file. The available options are:
- **keep_in_artist**: Keep the featuring X part in the artist field. This can be
useful if you still want to be able to search for features in the artist
field. Default: ``no``.
- **custom_words**: List of additional words that will be treated as a marker
for artist features. Default: ``[]``.
Running Manually
----------------

71
test/plugins/test_ftintitle.py
View file

@ -38,13 +38,15 @@ def env() -> Generator[FtInTitlePluginFunctional, None, None]:
def set_config(
env: FtInTitlePluginFunctional, cfg: Optional[Dict[str, Union[str, bool]]]
env: FtInTitlePluginFunctional,
cfg: Optional[Dict[str, Union[str, bool, list[str]]]],
) -> None:
cfg = {} if cfg is None else cfg
defaults = {
"drop": False,
"auto": True,
"keep_in_artist": False,
"custom_words": [],
}
env.config["ftintitle"].set(defaults)
env.config["ftintitle"].set(cfg)
@ -170,11 +172,44 @@ def add_item(
("Alice ft Bob", "Song 1"),
id="keep-in-artist-drop-from-title",
),
# ---- custom_words variants ----
pytest.param(
{"format": "featuring {}", "custom_words": ["med"]},
("ftintitle",),
("Alice med Bob", "Song 1", "Alice"),
("Alice", "Song 1 featuring Bob"),
id="custom-feat-words",
),
pytest.param(
{
"format": "featuring {}",
"keep_in_artist": True,
"custom_words": ["med"],
},
("ftintitle",),
("Alice med Bob", "Song 1", "Alice"),
("Alice med Bob", "Song 1 featuring Bob"),
id="custom-feat-words-keep-in-artists",
),
pytest.param(
{
"format": "featuring {}",
"keep_in_artist": True,
"custom_words": ["med"],
},
(
"ftintitle",
"-d",
),
("Alice med Bob", "Song 1", "Alice"),
("Alice med Bob", "Song 1"),
id="custom-feat-words-keep-in-artists-drop-from-title",
),
],
)
def test_ftintitle_functional(
env: FtInTitlePluginFunctional,
cfg: Optional[Dict[str, Union[str, bool]]],
cfg: Optional[Dict[str, Union[str, bool, list[str]]]],
cmd_args: Tuple[str, ...],
given: Tuple[str, str, Optional[str]],
expected: Tuple[str, str],
@ -256,3 +291,35 @@ def test_split_on_feat(
)
def test_contains_feat(given: str, expected: bool) -> None:
assert ftintitle.contains_feat(given) is expected
@pytest.mark.parametrize(
"given,custom_words,expected",
[
("Alice ft. Bob", [], True),
("Alice feat. Bob", [], True),
("Alice feat Bob", [], True),
("Alice featuring Bob", [], True),
("Alice (ft. Bob)", [], True),
("Alice (feat. Bob)", [], True),
("Alice [ft. Bob]", [], True),
("Alice [feat. Bob]", [], True),
("Alice defeat Bob", [], False),
("Aliceft.Bob", [], False),
("Alice (defeat Bob)", [], False),
("Live and Let Go", [], False),
("Come With Me", [], False),
("Alice x Bob", ["x"], True),
("Alice x Bob", ["X"], True),
("Alice och Xavier", ["x"], False),
("Alice ft. Xavier", ["x"], True),
("Alice med Carol", ["med"], True),
("Alice med Carol", [], False),
],
)
def test_custom_words(
given: str, custom_words: Optional[list[str]], expected: bool
) -> None:
if custom_words is None:
custom_words = []
assert ftintitle.contains_feat(given, custom_words) is expected