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Simplify the way the HomeServer object caches its internal attributes. (#8565)

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Changes `@cache_in_self` to use underscore-prefixed attributes.
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Jonathan de Jong 2020-11-30 19:28:44 +01:00 • committed by GitHub
parent a090b86209
commit ca60822b34
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 40 additions and 36 deletions
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27
synapse/server.py
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@ -147,7 +147,8 @@ def cache_in_self(builder: T) -> T:
"@cache_in_self can only be used on functions starting with `get_`"
)
depname = builder.__name__[len("get_") :]
# get_attr -> _attr
depname = builder.__name__[len("get") :]
building = [False]
@ -235,15 +236,6 @@ class HomeServer(metaclass=abc.ABCMeta):
self._instance_id = random_string(5)
self._instance_name = config.worker_name or "master"
self.clock = Clock(reactor)
self.distributor = Distributor()
self.registration_ratelimiter = Ratelimiter(
clock=self.clock,
rate_hz=config.rc_registration.per_second,
burst_count=config.rc_registration.burst_count,
)
self.version_string = version_string
self.datastores = None # type: Optional[Databases]
@ -301,8 +293,9 @@ class HomeServer(metaclass=abc.ABCMeta):
def is_mine_id(self, string: str) -> bool:
return string.split(":", 1)[1] == self.hostname
@cache_in_self
def get_clock(self) -> Clock:
return self.clock
return Clock(self._reactor)
def get_datastore(self) -> DataStore:
if not self.datastores:
@ -319,11 +312,17 @@ class HomeServer(metaclass=abc.ABCMeta):
def get_config(self) -> HomeServerConfig:
return self.config
@cache_in_self
def get_distributor(self) -> Distributor:
return self.distributor
return Distributor()
@cache_in_self
def get_registration_ratelimiter(self) -> Ratelimiter:
return self.registration_ratelimiter
return Ratelimiter(
clock=self.get_clock(),
rate_hz=self.config.rc_registration.per_second,
burst_count=self.config.rc_registration.burst_count,
)
@cache_in_self
def get_federation_client(self) -> FederationClient:
@ -687,7 +686,7 @@ class HomeServer(metaclass=abc.ABCMeta):
@cache_in_self
def get_federation_ratelimiter(self) -> FederationRateLimiter:
return FederationRateLimiter(self.clock, config=self.config.rc_federation)
return FederationRateLimiter(self.get_clock(), config=self.config.rc_federation)
@cache_in_self
def get_module_api(self) -> ModuleApi: