Warry
d2c3e8ab8f
Implement comprehensive track information display on hover and resolve all code quality issues to achieve complete ruff compliance. MAJOR FEATURES: - Track details preview on hover with rich metadata display - Async BPM fetching with loading indicator - Enhanced metadata utilities with fuzzy matching - TIDAL API extras integration FILES MODIFIED: 15+ files (core, UI, tests, docs) RUFF COMPLIANCE: 0 errors (89+ violations resolved) - Fixed E999 syntax error in metadata_utils.py - Refactored 10+ complex functions (C901) - Updated error handling (S110, S112, SIM105) - Modernized type hints (UP038) - Fixed naming conflicts (A001, F811) BUG FIXES: - Added missing _on_update_cover() method (11 test failures) - Fixed BPM display and async loading - Improved thread safety TESTING: 30 passed, 1 skipped DOCUMENTATION: Windows PowerShell support, tox troubleshooting
56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
"""Cache management for GUI - LRU caches for performance optimization."""
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from PySide6 import QtCore, QtGui
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class TrackExtrasCache:
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"""Thread-safe LRU cache for track extra metadata."""
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def __init__(self, max_size: int = 256):
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self._lock = QtCore.QReadWriteLock()
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self._data: dict[str, dict] = {}
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self._order: list[str] = []
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self._max_size = max_size
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def get(self, track_id: str) -> dict | None:
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"""Get cached extras for a track ID."""
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with QtCore.QReadLocker(self._lock):
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return self._data.get(track_id)
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def set(self, track_id: str, extras: dict) -> None:
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"""Cache extras for a track ID with LRU eviction."""
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with QtCore.QWriteLocker(self._lock):
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if track_id in self._data:
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self._order.remove(track_id)
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self._data[track_id] = extras
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self._order.append(track_id)
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if len(self._order) > self._max_size:
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oldest = self._order.pop(0)
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self._data.pop(oldest, None)
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class CoverPixmapCache:
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"""Thread-safe LRU cache for cover pixmaps to avoid re-downloading."""
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def __init__(self, max_size: int = 100):
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self._lock = QtCore.QReadWriteLock()
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self._pixmaps: dict[str, QtGui.QPixmap] = {}
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self._order: list[str] = []
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self._max_size = max_size
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def get(self, cover_url: str) -> QtGui.QPixmap | None:
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"""Get cached pixmap for a cover URL."""
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with QtCore.QReadLocker(self._lock):
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return self._pixmaps.get(cover_url)
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def set(self, cover_url: str, pixmap: QtGui.QPixmap) -> None:
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"""Cache a pixmap with LRU eviction."""
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with QtCore.QWriteLocker(self._lock):
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if cover_url in self._pixmaps:
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self._order.remove(cover_url)
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self._pixmaps[cover_url] = pixmap
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self._order.append(cover_url)
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if len(self._order) > self._max_size:
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oldest = self._order.pop(0)
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self._pixmaps.pop(oldest, None)
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