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"""
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
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