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SoulSync/core/lyrics_client.py

124 lines
4.8 KiB

#!/usr/bin/env python3
import os
from utils.logging_config import get_logger
logger = get_logger("lyrics_client")
class LyricsClient:
"""
Minimal, elegant LRClib client for automatic lyrics fetching.
Generates .lrc sidecar files during post-processing.
"""
def __init__(self):
self.api = None
self._init_api()
def _init_api(self):
"""Initialize LRClib API with graceful fallback"""
try:
from lrclib import LrcLibAPI
self.api = LrcLibAPI(user_agent="SoulSync/1.0 (WebUI)")
logger.debug("LRClib API client initialized")
except ImportError:
logger.warning("LRClib API not available - lyrics functionality disabled")
self.api = None
except Exception as e:
logger.error(f"Error initializing LRClib API: {e}")
self.api = None
def create_lrc_file(self, audio_file_path: str, track_name: str, artist_name: str,
album_name: str = None, duration_seconds: int = None) -> bool:
"""
Create .lrc sidecar file for the given audio file.
Args:
audio_file_path: Path to the audio file
track_name: Track title
artist_name: Artist name
album_name: Album name (optional)
duration_seconds: Track duration in seconds (optional)
Returns:
bool: True if LRC file was created successfully
"""
if not self.api:
logger.debug("LRClib API not available - skipping lyrics")
return False
try:
# Generate LRC file path (same name as audio file, .lrc extension)
lrc_path = os.path.splitext(audio_file_path)[0] + '.lrc'
# Skip if LRC file already exists
if os.path.exists(lrc_path):
logger.debug(f"LRC file already exists: {os.path.basename(lrc_path)}")
return True
# Fetch lyrics from LRClib
logger.debug(f"Fetching lyrics for: {artist_name} - {track_name}")
lyrics_data = None
# Strategy 1: Exact match with duration (most accurate)
if duration_seconds and album_name:
try:
logger.debug(f"Trying exact match: {track_name} by {artist_name} from {album_name} ({duration_seconds}s)")
lyrics_data = self.api.get_lyrics(
track_name=track_name,
artist_name=artist_name,
album_name=album_name,
duration=duration_seconds
)
if lyrics_data:
logger.debug("Exact match found!")
except Exception as e:
logger.debug(f"Exact match failed: {e}")
# Strategy 2: Search without duration
if not lyrics_data:
try:
logger.debug(f"Trying search: {track_name} by {artist_name}")
search_results = self.api.search_lyrics(
track_name=track_name,
artist_name=artist_name
)
if search_results:
lyrics_data = search_results[0] # Take first result
logger.debug(f"Search found {len(search_results)} results, using first")
except Exception as e:
logger.debug(f"Search fallback failed: {e}")
# No lyrics found
if not lyrics_data:
logger.debug(f"No lyrics found for: {artist_name} - {track_name}")
return False
# Prefer synced lyrics, fallback to plain text
# LRClib API uses synced_lyrics and plain_lyrics attributes
lrc_content = getattr(lyrics_data, 'synced_lyrics', None) or getattr(lyrics_data, 'plain_lyrics', None)
logger.debug(f"Synced lyrics available: {bool(getattr(lyrics_data, 'synced_lyrics', None))}")
logger.debug(f"Plain lyrics available: {bool(getattr(lyrics_data, 'plain_lyrics', None))}")
logger.debug(f"LRC content found: {bool(lrc_content)}")
if not lrc_content:
logger.debug(f"No usable lyrics content for: {artist_name} - {track_name}")
return False
# Write LRC file
with open(lrc_path, 'w', encoding='utf-8') as f:
f.write(lrc_content)
lyrics_type = "synced" if getattr(lyrics_data, 'synced_lyrics', None) else "plain"
logger.info(f"✅ Created {lyrics_type} LRC file: {os.path.basename(lrc_path)}")
return True
except Exception as e:
logger.error(f"Error creating LRC file for {track_name}: {e}")
return False
# Global instance for easy import
lyrics_client = LyricsClient()