diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py
index af69587196..79869aaa44 100644
--- a/synapse/util/retryutils.py
+++ b/synapse/util/retryutils.py
@@ -15,14 +15,12 @@
import logging
import random
-from twisted.internet import defer
-
import synapse.logging.context
from synapse.api.errors import CodeMessageException
logger = logging.getLogger(__name__)
-# the intial backoff, after the first transaction fails
+# the initial backoff, after the first transaction fails
MIN_RETRY_INTERVAL = 10 * 60 * 1000
# how much we multiply the backoff by after each subsequent fail
@@ -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"]
@@ -117,7 +114,7 @@ def get_retry_limiter(destination, clock, store, ignore_backoff=False, **kwargs)
)
-class RetryDestinationLimiter(object):
+class RetryDestinationLimiter:
def __init__(
self,
destination,
@@ -174,7 +171,7 @@ class RetryDestinationLimiter(object):
# has been decommissioned.
# If we get a 401, then we should probably back off since they
# won't accept our requests for at least a while.
- # 429 is us being aggresively rate limited, so lets rate limit
+ # 429 is us being aggressively rate limited, so lets rate limit
# ourselves.
if exc_val.code == 404 and self.backoff_on_404:
valid_err_code = False
@@ -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,
|