diff options
Diffstat (limited to 'synapse/util/caches/descriptors.py')
| -rw-r--r-- | synapse/util/caches/descriptors.py | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index a924140cdf..4e84379914 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -122,7 +122,8 @@ class _LruCachedFunction(Generic[F]): def lru_cache( - max_entries: int = 1000, cache_context: bool = False, + max_entries: int = 1000, + cache_context: bool = False, ) -> Callable[[F], _LruCachedFunction[F]]: """A method decorator that applies a memoizing cache around the function. @@ -156,7 +157,9 @@ def lru_cache( def func(orig: F) -> _LruCachedFunction[F]: desc = LruCacheDescriptor( - orig, max_entries=max_entries, cache_context=cache_context, + orig, + max_entries=max_entries, + cache_context=cache_context, ) return cast(_LruCachedFunction[F], desc) @@ -170,14 +173,18 @@ class LruCacheDescriptor(_CacheDescriptorBase): sentinel = object() def __init__( - self, orig, max_entries: int = 1000, cache_context: bool = False, + self, + orig, + max_entries: int = 1000, + cache_context: bool = False, ): super().__init__(orig, num_args=None, cache_context=cache_context) self.max_entries = max_entries def __get__(self, obj, owner): cache = LruCache( - cache_name=self.orig.__name__, max_size=self.max_entries, + cache_name=self.orig.__name__, + max_size=self.max_entries, ) # type: LruCache[CacheKey, Any] get_cache_key = self.cache_key_builder @@ -212,7 +219,7 @@ class LruCacheDescriptor(_CacheDescriptorBase): class DeferredCacheDescriptor(_CacheDescriptorBase): - """ A method decorator that applies a memoizing cache around the function. + """A method decorator that applies a memoizing cache around the function. This caches deferreds, rather than the results themselves. Deferreds that fail are removed from the cache. |