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@ -34,11 +34,16 @@ from synapse.config import cache as cache_config
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from synapse.util.caches import CacheMetric, register_cache
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from synapse.util.caches import CacheMetric, register_cache
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from synapse.util.caches.treecache import TreeCache
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from synapse.util.caches.treecache import TreeCache
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T = TypeVar("T")
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# Function type: the type used for invalidation callbacks
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FT = TypeVar("FT", bound=Callable[..., Any])
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FT = TypeVar("FT", bound=Callable[..., Any])
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# Key and Value type for the cache
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KT = TypeVar("KT")
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KT = TypeVar("KT")
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VT = TypeVar("VT")
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VT = TypeVar("VT")
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# a general type var, distinct from either KT or VT
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T = TypeVar("T")
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def enumerate_leaves(node, depth):
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def enumerate_leaves(node, depth):
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if depth == 0:
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if depth == 0:
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@ -227,7 +232,7 @@ class LruCache(Generic[KT, VT]):
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@synchronized
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@synchronized
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def cache_get(
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def cache_get(
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key: KT,
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key: KT,
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default=None,
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default: Optional[T] = None,
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callbacks: Iterable[Callable[[], None]] = [],
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callbacks: Iterable[Callable[[], None]] = [],
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update_metrics: bool = True,
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update_metrics: bool = True,
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):
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):
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@ -291,7 +296,7 @@ class LruCache(Generic[KT, VT]):
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...
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...
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@synchronized
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@synchronized
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def cache_pop(key: KT, default=None):
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def cache_pop(key: KT, default: Optional[T] = None):
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node = cache.get(key, None)
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node = cache.get(key, None)
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if node:
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if node:
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delete_node(node)
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delete_node(node)
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