diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index ec61e14423..a805f51df1 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -13,14 +13,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import inspect
import logging
from functools import wraps
from prometheus_client import Counter
-from twisted.internet import defer
-
from synapse.logging.context import LoggingContext, current_context
from synapse.metrics import InFlightGauge
@@ -62,25 +59,31 @@ in_flight = InFlightGauge(
def measure_func(name=None):
- def wrapper(func):
- block_name = func.__name__ if name is None else name
+ """
+ Used to decorate an async function with a `Measure` context manager.
+
+ Usage:
- if inspect.iscoroutinefunction(func):
+ @measure_func()
+ async def foo(...):
+ ...
- @wraps(func)
- async def measured_func(self, *args, **kwargs):
- with Measure(self.clock, block_name):
- r = await func(self, *args, **kwargs)
- return r
+ Which is analogous to:
- else:
+ async def foo(...):
+ with Measure(...):
+ ...
+
+ """
+
+ def wrapper(func):
+ block_name = func.__name__ if name is None else name
- @wraps(func)
- @defer.inlineCallbacks
- def measured_func(self, *args, **kwargs):
- with Measure(self.clock, block_name):
- r = yield func(self, *args, **kwargs)
- return r
+ @wraps(func)
+ async def measured_func(self, *args, **kwargs):
+ with Measure(self.clock, block_name):
+ r = await func(self, *args, **kwargs)
+ return r
return measured_func
diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py
index 8794317caa..919988d3bc 100644
--- a/synapse/util/retryutils.py
+++ b/synapse/util/retryutils.py
@@ -15,8 +15,6 @@
import logging
import random
-from twisted.internet import defer
-
import synapse.logging.context
from synapse.api.errors import CodeMessageException
@@ -54,8 +52,7 @@ class NotRetryingDestination(Exception):
self.destination = destination
-@defer.inlineCallbacks
-def get_retry_limiter(destination, clock, store, ignore_backoff=False, **kwargs):
+async def get_retry_limiter(destination, clock, store, ignore_backoff=False, **kwargs):
"""For a given destination check if we have previously failed to
send a request there and are waiting before retrying the destination.
If we are not ready to retry the destination, this will raise a
@@ -73,9 +70,9 @@ def get_retry_limiter(destination, clock, store, ignore_backoff=False, **kwargs)
Example usage:
try:
- limiter = yield get_retry_limiter(destination, clock, store)
+ limiter = await get_retry_limiter(destination, clock, store)
with limiter:
- response = yield do_request()
+ response = await do_request()
except NotRetryingDestination:
# We aren't ready to retry that destination.
raise
@@ -83,7 +80,7 @@ def get_retry_limiter(destination, clock, store, ignore_backoff=False, **kwargs)
failure_ts = None
retry_last_ts, retry_interval = (0, 0)
- retry_timings = yield store.get_destination_retry_timings(destination)
+ retry_timings = await store.get_destination_retry_timings(destination)
if retry_timings:
failure_ts = retry_timings["failure_ts"]
@@ -222,10 +219,9 @@ class RetryDestinationLimiter(object):
if self.failure_ts is None:
self.failure_ts = retry_last_ts
- @defer.inlineCallbacks
- def store_retry_timings():
+ async def store_retry_timings():
try:
- yield self.store.set_destination_retry_timings(
+ await self.store.set_destination_retry_timings(
self.destination,
self.failure_ts,
retry_last_ts,
|