diff options
Diffstat (limited to 'synapse/util/caches')
| -rw-r--r-- | synapse/util/caches/__init__.py | 6 | ||||
| -rw-r--r-- | synapse/util/caches/descriptors.py | 17 | ||||
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 6 |
3 files changed, 16 insertions, 13 deletions
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index 89f0b38535..e676c2cac4 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -149,8 +149,7 @@ KNOWN_KEYS = { def intern_string(string): - """Takes a (potentially) unicode string and interns it if it's ascii - """ + """Takes a (potentially) unicode string and interns it if it's ascii""" if string is None: return None @@ -161,8 +160,7 @@ def intern_string(string): def intern_dict(dictionary): - """Takes a dictionary and interns well known keys and their values - """ + """Takes a dictionary and interns well known keys and their values""" return { KNOWN_KEYS.get(key, key): _intern_known_values(key, value) for key, value in dictionary.items() 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. diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index c541bf4579..644e9e778a 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -84,8 +84,7 @@ class StreamChangeCache: return False def has_entity_changed(self, entity: EntityType, stream_pos: int) -> bool: - """Returns True if the entity may have been updated since stream_pos - """ + """Returns True if the entity may have been updated since stream_pos""" assert isinstance(stream_pos, int) if stream_pos < self._earliest_known_stream_pos: @@ -133,8 +132,7 @@ class StreamChangeCache: return result def has_any_entity_changed(self, stream_pos: int) -> bool: - """Returns if any entity has changed - """ + """Returns if any entity has changed""" assert type(stream_pos) is int if not self._cache: |