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Avoid reraise, to improve stacktraces

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This commit is contained in:
Richard van der Hoff 2018-10-01 18:48:51 +01:00
parent abdc141c2b
commit 8174c6725b
3 changed files with 24 additions and 22 deletions
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20
synapse/handlers/federation.py
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@ -18,7 +18,6 @@
import itertools
import logging
import sys
import six
from six import iteritems, itervalues
@ -1602,6 +1601,9 @@ class FederationHandler(BaseHandler):
auth_events=auth_events,
)
# reraise does not allow inlineCallbacks to preserve the stacktrace, so we
# hack around with a try/finally instead.
success = False
try:
if not event.internal_metadata.is_outlier() and not backfilled:
yield self.action_generator.handle_push_actions_for_event(
@ -1612,15 +1614,13 @@ class FederationHandler(BaseHandler):
[(event, context)],
backfilled=backfilled,
)
except: # noqa: E722, as we reraise the exception this is fine.
tp, value, tb = sys.exc_info()
logcontext.run_in_background(
self.store.remove_push_actions_from_staging,
event.event_id,
)
six.reraise(tp, value, tb)
success = True
finally:
if not success:
logcontext.run_in_background(
self.store.remove_push_actions_from_staging,
event.event_id,
)
defer.returnValue(context)