betty.cache.no_op module¶
Provide no-op caching.
- final class betty.cache.no_op.NoOpCache[source]¶
-
Provide a cache that does nothing.
This is thread-safe, which means you can safely use this between different threads.
- get(cache_item_id: str) AsyncIterator[CacheItem[Any] | None] [source]¶
Get the cache item with the given ID.
- getset(cache_item_id: str) AsyncContextManager[tuple[CacheItem[Any] | None, Callable[[Any], Awaitable[None]]], bool | None] [source]¶
- getset(cache_item_id: str, *, wait: Literal[False] = False) AsyncContextManager[tuple[CacheItem[Any] | None, Callable[[Any], Awaitable[None]] | None], bool | None]
Get the cache item with the given ID, and provide a setter to add or update it within the same atomic operation.
If
wait
isFalse
and no lock can be acquired, returnNone, None
. Otherwise return: 0. A cache item if one could be found, or elseNone
. 1. An asynchronous setter that takes the cache item’s value as its only argument.