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Opt out of cache expiry for get_users_who_share_room_with_user (#10826)

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* Allow LruCaches to opt out of time-based expiry
* Don't expire `get_users_who_share_room` & friends
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David Robertson 2021-09-22 14:21:58 +01:00 • committed by GitHub
parent 80828eda06
commit 724aef9a87
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 30 additions and 6 deletions
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5
synapse/util/caches/descriptors.py
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@ -258,6 +258,7 @@ class DeferredCacheDescriptor(_CacheDescriptorBase):
tree=False,
cache_context=False,
iterable=False,
prune_unread_entries: bool = True,
):
super().__init__(orig, num_args=num_args, cache_context=cache_context)
@ -269,6 +270,7 @@ class DeferredCacheDescriptor(_CacheDescriptorBase):
self.max_entries = max_entries
self.tree = tree
self.iterable = iterable
self.prune_unread_entries = prune_unread_entries
def __get__(self, obj, owner):
cache: DeferredCache[CacheKey, Any] = DeferredCache(
@ -276,6 +278,7 @@ class DeferredCacheDescriptor(_CacheDescriptorBase):
max_entries=self.max_entries,
tree=self.tree,
iterable=self.iterable,
prune_unread_entries=self.prune_unread_entries,
)
get_cache_key = self.cache_key_builder
@ -507,6 +510,7 @@ def cached(
tree: bool = False,
cache_context: bool = False,
iterable: bool = False,
prune_unread_entries: bool = True,
) -> Callable[[F], _CachedFunction[F]]:
func = lambda orig: DeferredCacheDescriptor(
orig,
@ -515,6 +519,7 @@ def cached(
tree=tree,
cache_context=cache_context,
iterable=iterable,
prune_unread_entries=prune_unread_entries,
)
return cast(Callable[[F], _CachedFunction[F]], func)