diff options
Diffstat (limited to 'synapse/util')
| -rw-r--r-- | synapse/util/caches/expiringcache.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py index 48ca2d634d..346669e4ce 100644 --- a/synapse/util/caches/expiringcache.py +++ b/synapse/util/caches/expiringcache.py @@ -24,6 +24,9 @@ from synapse.util.caches import register_cache logger = logging.getLogger(__name__) +SENTINEL = object() + + class ExpiringCache(object): def __init__(self, cache_name, clock, max_len=0, expiry_ms=0, reset_expiry_on_get=False, iterable=False): @@ -102,6 +105,16 @@ class ExpiringCache(object): return entry.value + def pop(self, key, default=None): + value = self._cache.pop(key, SENTINEL) + if value is SENTINEL: + return default + + if self.iterable: + self._size_estimate -= len(value.value) + + return value + def __contains__(self, key): return key in self._cache |