""" Base Cache implementation. All cache implementations should inherit from this class. Has 4 methods: - set_cache - get_cache - async_set_cache - async_get_cache """ from abc import ABC, abstractmethod from typing import TYPE_CHECKING, Any, Optional if TYPE_CHECKING: from opentelemetry.trace import Span as _Span Span = _Span else: Span = Any class BaseCache(ABC): def __init__(self, default_ttl: int = 60): self.default_ttl = default_ttl def get_ttl(self, **kwargs) -> Optional[int]: kwargs_ttl: Optional[int] = kwargs.get("ttl") if kwargs_ttl is not None: try: return int(kwargs_ttl) except ValueError: return self.default_ttl return self.default_ttl def set_cache(self, key, value, **kwargs): raise NotImplementedError async def async_set_cache(self, key, value, **kwargs): raise NotImplementedError @abstractmethod async def async_set_cache_pipeline(self, cache_list, **kwargs): pass def get_cache(self, key, **kwargs): raise NotImplementedError async def async_get_cache(self, key, **kwargs): raise NotImplementedError async def batch_cache_write(self, key, value, **kwargs): raise NotImplementedError async def disconnect(self): raise NotImplementedError