feat: extract featured artists from track title

.gitignore

@@ -16,7 +16,6 @@ __pycache__
 .hypothesis
 sqllib.py
 encoderx.py
-tests
 .pytest_cache
 
 # pyinstaller files

app/api/artist.py

@@ -275,7 +275,6 @@ def get_artist_tracks(artisthash: str):
 
     # return {"albums": albums[:limit]}
 
-
 # @artist_bp.route("/artist/<artist>")
 # @cache.cached()
 # def get_artist_data(artist: str):

app/api/settings.py

@@ -1,7 +1,6 @@
 from flask import Blueprint, request
 from app import settings
 
-
 from app.logger import log
 from app.lib import populate
 from app.db.store import Store
@@ -15,7 +14,7 @@ api = Blueprint("settings", __name__, url_prefix="/")
 def get_child_dirs(parent: str, children: list[str]):
     """Returns child directories in a list, given a parent directory"""
 
-    return [dir for dir in children if dir.startswith(parent) and dir != parent]
+    return [_dir for _dir in children if _dir.startswith(parent) and _dir != parent]
 
 
 @background
@@ -56,10 +55,10 @@ def add_root_dirs():
     except KeyError:
         return msg, 400
 
-    def finalize(new_dirs: list[str], removed_dirs: list[str], db_dirs: list[str]):
-        sdb.remove_root_dirs(removed_dirs)
-        sdb.add_root_dirs(new_dirs)
-        rebuild_store(db_dirs)
+    def finalize(new_: list[str], removed_: list[str], db_dirs_: list[str]):
+        sdb.remove_root_dirs(removed_)
+        sdb.add_root_dirs(new_)
+        rebuild_store(db_dirs_)
 
     # ---
     db_dirs = sdb.get_root_dirs()
@@ -91,7 +90,7 @@ def add_root_dirs():
             pass
 
     db_dirs.extend(new_dirs)
-    db_dirs = [dir for dir in db_dirs if dir != _h]
+    db_dirs = [dir_ for dir_ in db_dirs if dir_ != _h]
 
     finalize(new_dirs, removed_dirs, db_dirs)
 

app/models.py

@@ -58,10 +58,14 @@ class Track:
 
     def __post_init__(self):
         if self.artist is not None:
-            artist_str = str(self.artist).split(", ")
-            self.artist_hashes = [utils.create_hash(a, decode=True) for a in artist_str]
+            artists = utils.split_artists(self.artist)
+            featured = utils.extract_featured_artists_from_title(self.title)
+            artists.extend(featured)
+            artists = set(artists)
 
-            self.artist = [Artist(a) for a in artist_str]
+            self.artist_hashes = [utils.create_hash(a, decode=True) for a in artists]
+
+            self.artist = [Artist(a) for a in artists]
 
             albumartists = str(self.albumartist).split(", ")
             self.albumartist = [Artist(a) for a in albumartists]

app/utils.py

@@ -1,6 +1,7 @@
 """
 This module contains mini functions for the server.
 """
+import re
 from pathlib import Path
 from datetime import datetime
 
@@ -250,3 +251,28 @@ def is_windows():
     Returns True if the OS is Windows.
     """
     return platform.system() == "Windows"
+
+
+def split_artists(src: str):
+    artists = re.split(r"\s*[&,;/]\s*", src)
+    return [a.strip() for a in artists]
+
+
+
+
+
+def extract_featured_artists_from_title(title: str) -> list[str]:
+    """
+    Extracts featured artists from a song title using regex.
+    """
+    regex = r"\((?:feat|ft|featuring|with)\.?\s+(.+?)\)"
+    match = re.search(regex, title, re.IGNORECASE)
+
+    if not match:
+        return []
+
+    artists = match.group(1)
+    artists = split_artists(artists)
+    return artists
+
+

tests/test.py

@@ -0,0 +1,18 @@
+from app.utils import extract_featured_artists_from_title
+
+
+def test_extract_featured_artists_from_title():
+    test_titles = [
+        "Own it (Featuring Ed Sheeran & Stormzy)",
+        "Godzilla (Deluxe)(Feat. Juice Wrld)(Deluxe)",
+        "Simmer (with Burna Boy)",
+    ]
+
+    expected_test_artists = [
+        ["Ed Sheeran", "Stormzy"],
+        ['Juice Wrld'],
+        ["Burna Boy"]
+    ]
+
+    for title, expected in zip(test_titles, expected_test_artists):
+        assert extract_featured_artists_from_title(title) == expected