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Update cache_manager.py
Browse files- cache_manager.py +20 -40
cache_manager.py
CHANGED
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@@ -24,19 +24,22 @@ class CacheManager:
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# Inicjalizacja pliku metadanych
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self.metadata_file = self.cache_dir / "metadata.json"
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async def
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"""
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if not self.
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async def _load_metadata(self) -> Dict:
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"""Wczytuje metadane cache"""
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try:
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if not self.metadata_file.exists():
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return {'entries': {}, 'total_size': 0, 'last_cleanup': time.time()}
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@@ -49,6 +52,7 @@ class CacheManager:
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async def _save_metadata(self, metadata: Dict):
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"""Zapisuje metadane cache"""
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async with aiofiles.open(self.metadata_file, 'w') as f:
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await f.write(json.dumps(metadata, indent=2))
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@@ -61,6 +65,7 @@ class CacheManager:
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async def get(self, key: str) -> Optional[Dict]:
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"""Pobiera warto艣膰 z cache je艣li istnieje i nie wygas艂a."""
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try:
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metadata = await self._load_metadata()
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entry_meta = metadata['entries'].get(key)
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@@ -86,6 +91,7 @@ class CacheManager:
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async def set(self, key: str, value: Dict):
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"""Zapisuje warto艣膰 do cache."""
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try:
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cache_file = self.cache_dir / f"{key}.json"
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data_str = json.dumps(value)
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@@ -113,6 +119,7 @@ class CacheManager:
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async def invalidate(self, key: str):
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"""Usuwa wpis z cache."""
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try:
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cache_file = self.cache_dir / f"{key}.json"
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if cache_file.exists():
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@@ -131,6 +138,7 @@ class CacheManager:
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async def invalidate_all(self):
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"""Czy艣ci ca艂y cache."""
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try:
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metadata = await self._load_metadata()
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# Usu艅 wszystkie pliki cache
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@@ -153,9 +161,9 @@ class CacheManager:
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async def _cleanup_old_entries(self):
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"""Usuwa najstarsze wpisy gdy cache przekroczy limit rozmiaru."""
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try:
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metadata = await self._load_metadata()
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sorted_entries = sorted(
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metadata['entries'].items(),
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key=lambda x: x[1]['timestamp']
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@@ -170,32 +178,4 @@ class CacheManager:
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metadata = await self._load_metadata()
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except Exception as e:
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self.logger.error(f"B艂膮d podczas czyszczenia cache: {str(e)}")
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def cache_result(ttl: int = 3600):
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"""
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Dekorator do cache'owania wynik贸w funkcji.
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"""
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def decorator(func):
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@wraps(func)
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async def wrapper(*args, **kwargs):
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if not args or not hasattr(args[0], 'cache'):
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return await func(*args, **kwargs)
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cache = args[0].cache
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cache_key = cache._compute_key(
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func.__name__,
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*args[1:],
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**kwargs
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)
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result = await cache.get(cache_key)
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if result is not None:
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return result
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result = await func(*args, **kwargs)
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await cache.set(cache_key, result)
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return result
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return wrapper
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return decorator
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# Inicjalizacja pliku metadanych
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self.metadata_file = self.cache_dir / "metadata.json"
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self._initialized = False
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async def _ensure_initialized(self):
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"""Zapewnia, 偶e cache jest zainicjalizowany przed u偶yciem"""
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if not self._initialized:
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if not self.metadata_file.exists():
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await self._save_metadata({
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'entries': {},
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'total_size': 0,
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'last_cleanup': time.time()
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})
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self._initialized = True
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async def _load_metadata(self) -> Dict:
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"""Wczytuje metadane cache"""
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await self._ensure_initialized()
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try:
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if not self.metadata_file.exists():
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return {'entries': {}, 'total_size': 0, 'last_cleanup': time.time()}
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async def _save_metadata(self, metadata: Dict):
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"""Zapisuje metadane cache"""
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await self._ensure_initialized()
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async with aiofiles.open(self.metadata_file, 'w') as f:
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await f.write(json.dumps(metadata, indent=2))
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async def get(self, key: str) -> Optional[Dict]:
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"""Pobiera warto艣膰 z cache je艣li istnieje i nie wygas艂a."""
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await self._ensure_initialized()
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try:
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metadata = await self._load_metadata()
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entry_meta = metadata['entries'].get(key)
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async def set(self, key: str, value: Dict):
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"""Zapisuje warto艣膰 do cache."""
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await self._ensure_initialized()
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try:
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cache_file = self.cache_dir / f"{key}.json"
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data_str = json.dumps(value)
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async def invalidate(self, key: str):
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"""Usuwa wpis z cache."""
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await self._ensure_initialized()
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try:
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cache_file = self.cache_dir / f"{key}.json"
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if cache_file.exists():
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async def invalidate_all(self):
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"""Czy艣ci ca艂y cache."""
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await self._ensure_initialized()
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try:
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metadata = await self._load_metadata()
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# Usu艅 wszystkie pliki cache
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async def _cleanup_old_entries(self):
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"""Usuwa najstarsze wpisy gdy cache przekroczy limit rozmiaru."""
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await self._ensure_initialized()
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try:
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metadata = await self._load_metadata()
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sorted_entries = sorted(
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metadata['entries'].items(),
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key=lambda x: x[1]['timestamp']
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metadata = await self._load_metadata()
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except Exception as e:
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self.logger.error(f"B艂膮d podczas czyszczenia cache: {str(e)}")
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