diff options
Diffstat (limited to 'synapse/util/caches/descriptors.py')
| -rw-r--r-- | synapse/util/caches/descriptors.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index 2ac24a2f25..d77e8edeea 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -48,7 +48,6 @@ F = TypeVar("F", bound=Callable[..., Any]) class _CachedFunction(Generic[F]): invalidate = None # type: Any invalidate_all = None # type: Any - invalidate_many = None # type: Any prefill = None # type: Any cache = None # type: Any num_args = None # type: Any @@ -262,6 +261,11 @@ class DeferredCacheDescriptor(_CacheDescriptorBase): ): super().__init__(orig, num_args=num_args, cache_context=cache_context) + if tree and self.num_args < 2: + raise RuntimeError( + "tree=True is nonsensical for cached functions with a single parameter" + ) + self.max_entries = max_entries self.tree = tree self.iterable = iterable @@ -302,11 +306,11 @@ class DeferredCacheDescriptor(_CacheDescriptorBase): wrapped = cast(_CachedFunction, _wrapped) if self.num_args == 1: + assert not self.tree wrapped.invalidate = lambda key: cache.invalidate(key[0]) wrapped.prefill = lambda key, val: cache.prefill(key[0], val) else: wrapped.invalidate = cache.invalidate - wrapped.invalidate_many = cache.invalidate_many wrapped.prefill = cache.prefill wrapped.invalidate_all = cache.invalidate_all |