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codey
2026-02-07 21:26:10 -05:00
parent 435fcc3b2e
commit 9d16c96490
4 changed files with 117 additions and 98 deletions
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40
lyric_search/sources/lrclib.py
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@@ -19,28 +19,28 @@ def normalize_for_search(s: str) -> str:
Removes common variations that cause exact match failures.
"""
s = s.lower().strip()
# Remove parenthetical content: (Remastered), (feat. X), (2020 Remix), etc.
s = re.sub(r'\s*\([^)]*\)\s*', ' ', s)
s = re.sub(r"\s*\([^)]*\)\s*", " ", s)
# Remove bracketed content: [Explicit], [Deluxe Edition], etc.
s = re.sub(r'\s*\[[^\]]*\]\s*', ' ', s)
s = re.sub(r"\s*\[[^\]]*\]\s*", " ", s)
# Remove "feat.", "ft.", "featuring" and everything after
s = re.sub(r'\s*(feat\.?|ft\.?|featuring)\s+.*$', '', s, flags=re.IGNORECASE)
s = re.sub(r"\s*(feat\.?|ft\.?|featuring)\s+.*$", "", s, flags=re.IGNORECASE)
# Remove "The " prefix from artist names
s = re.sub(r'^the\s+', '', s)
s = re.sub(r"^the\s+", "", s)
# Normalize & to "and"
s = re.sub(r'\s*&\s*', ' and ', s)
s = re.sub(r"\s*&\s*", " and ", s)
# Remove punctuation except spaces
s = re.sub(r"[^\w\s]", '', s)
s = re.sub(r"[^\w\s]", "", s)
# Collapse multiple spaces
s = re.sub(r'\s+', ' ', s).strip()
s = re.sub(r"\s+", " ", s).strip()
return s
@@ -64,12 +64,12 @@ class LRCLib:
) -> Optional[LyricsResult]:
"""
LRCLib Local Database Search with normalization and smart fallback.
Search strategy:
1. Exact match on lowercased input (fastest, ~0.1ms)
2. Exact match on normalized input (fast, ~0.1ms)
2. Exact match on normalized input (fast, ~0.1ms)
3. Artist trigram + song exact within results (medium, ~50-200ms)
Args:
artist (str): the artist to search
song (str): the song to search
@@ -110,7 +110,7 @@ class LRCLib:
if not best_match:
artist_norm = normalize_for_search(artist)
song_norm = normalize_for_search(song)
if artist_norm != artist_lower or song_norm != song_lower:
result = await db.execute(
select(
@@ -133,7 +133,7 @@ class LRCLib:
if not best_match:
artist_norm = normalize_for_search(artist)
song_norm = normalize_for_search(song)
result = await db.execute(
select(
Tracks.artist_name,