diff options
Diffstat (limited to 'synapse/util')
| -rw-r--r-- | synapse/util/async_helpers.py | 10 | ||||
| -rw-r--r-- | synapse/util/caches/__init__.py | 3 | ||||
| -rw-r--r-- | synapse/util/caches/descriptors.py | 22 | ||||
| -rw-r--r-- | synapse/util/caches/treecache.py | 4 | ||||
| -rw-r--r-- | synapse/util/module_loader.py | 2 |
5 files changed, 33 insertions, 8 deletions
diff --git a/synapse/util/async_helpers.py b/synapse/util/async_helpers.py index f1c46836b1..0d3bdd88ce 100644 --- a/synapse/util/async_helpers.py +++ b/synapse/util/async_helpers.py @@ -13,9 +13,11 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. + import collections import logging from contextlib import contextmanager +from typing import Dict, Sequence, Set, Union from six.moves import range @@ -213,7 +215,9 @@ class Linearizer(object): # the first element is the number of things executing, and # the second element is an OrderedDict, where the keys are deferreds for the # things blocked from executing. - self.key_to_defer = {} + self.key_to_defer = ( + {} + ) # type: Dict[str, Sequence[Union[int, Dict[defer.Deferred, int]]]] def queue(self, key): # we avoid doing defer.inlineCallbacks here, so that cancellation works correctly. @@ -340,10 +344,10 @@ class ReadWriteLock(object): def __init__(self): # Latest readers queued - self.key_to_current_readers = {} + self.key_to_current_readers = {} # type: Dict[str, Set[defer.Deferred]] # Latest writer queued - self.key_to_current_writer = {} + self.key_to_current_writer = {} # type: Dict[str, defer.Deferred] @defer.inlineCallbacks def read(self, key): diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index b50e3503f0..43fd65d693 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -16,6 +16,7 @@ import logging import os +from typing import Dict import six from six.moves import intern @@ -37,7 +38,7 @@ def get_cache_factor_for(cache_name): caches_by_name = {} -collectors_by_name = {} +collectors_by_name = {} # type: Dict cache_size = Gauge("synapse_util_caches_cache:size", "", ["name"]) cache_hits = Gauge("synapse_util_caches_cache:hits", "", ["name"]) diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index 43f66ec4be..5ac2530a6a 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -18,10 +18,12 @@ import inspect import logging import threading from collections import namedtuple +from typing import Any, cast from six import itervalues from prometheus_client import Gauge +from typing_extensions import Protocol from twisted.internet import defer @@ -37,6 +39,18 @@ from . import register_cache logger = logging.getLogger(__name__) +class _CachedFunction(Protocol): + 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 + + def __name__(self): + ... + + cache_pending_metric = Gauge( "synapse_util_caches_cache_pending", "Number of lookups currently pending for this cache", @@ -245,7 +259,9 @@ class Cache(object): class _CacheDescriptorBase(object): - def __init__(self, orig, num_args, inlineCallbacks, cache_context=False): + def __init__( + self, orig: _CachedFunction, num_args, inlineCallbacks, cache_context=False + ): self.orig = orig if inlineCallbacks: @@ -404,7 +420,7 @@ class CacheDescriptor(_CacheDescriptorBase): return tuple(get_cache_key_gen(args, kwargs)) @functools.wraps(self.orig) - def wrapped(*args, **kwargs): + def _wrapped(*args, **kwargs): # If we're passed a cache_context then we'll want to call its invalidate() # whenever we are invalidated invalidate_callback = kwargs.pop("on_invalidate", None) @@ -440,6 +456,8 @@ class CacheDescriptor(_CacheDescriptorBase): return make_deferred_yieldable(observer) + wrapped = cast(_CachedFunction, _wrapped) + if self.num_args == 1: wrapped.invalidate = lambda key: cache.invalidate(key[0]) wrapped.prefill = lambda key, val: cache.prefill(key[0], val) diff --git a/synapse/util/caches/treecache.py b/synapse/util/caches/treecache.py index 9a72218d85..2ea4e4e911 100644 --- a/synapse/util/caches/treecache.py +++ b/synapse/util/caches/treecache.py @@ -1,3 +1,5 @@ +from typing import Dict + from six import itervalues SENTINEL = object() @@ -12,7 +14,7 @@ class TreeCache(object): def __init__(self): self.size = 0 - self.root = {} + self.root = {} # type: Dict def __setitem__(self, key, value): return self.set(key, value) diff --git a/synapse/util/module_loader.py b/synapse/util/module_loader.py index 7ff7eb1e4d..2705cbe5f8 100644 --- a/synapse/util/module_loader.py +++ b/synapse/util/module_loader.py @@ -54,5 +54,5 @@ def load_python_module(location: str): if spec is None: raise Exception("Unable to load module at %s" % (location,)) mod = importlib.util.module_from_spec(spec) - spec.loader.exec_module(mod) + spec.loader.exec_module(mod) # type: ignore return mod |