diff options
Diffstat (limited to 'synapse/util/distributor.py')
| -rw-r--r-- | synapse/util/distributor.py | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/synapse/util/distributor.py b/synapse/util/distributor.py index 064c4a7a1e..8875813de4 100644 --- a/synapse/util/distributor.py +++ b/synapse/util/distributor.py @@ -1,5 +1,5 @@ # -*- coding: utf-8 -*- -# Copyright 2014, 2015 OpenMarket Ltd +# Copyright 2014-2016 OpenMarket Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -15,9 +15,7 @@ from twisted.internet import defer -from synapse.util.logcontext import ( - PreserveLoggingContext, preserve_context_over_deferred, -) +from synapse.util.logcontext import PreserveLoggingContext from synapse.util import unwrapFirstError @@ -97,6 +95,7 @@ class Signal(object): Each observer callable may return a Deferred.""" self.observers.append(observer) + @defer.inlineCallbacks def fire(self, *args, **kwargs): """Invokes every callable in the observer list, passing in the args and kwargs. Exceptions thrown by observers are logged but ignored. It is @@ -116,6 +115,7 @@ class Signal(object): failure.getTracebackObject())) if not self.suppress_failures: return failure + return defer.maybeDeferred(observer, *args, **kwargs).addErrback(eb) with PreserveLoggingContext(): @@ -124,8 +124,11 @@ class Signal(object): for observer in self.observers ] - d = defer.gatherResults(deferreds, consumeErrors=True) + res = yield defer.gatherResults( + deferreds, consumeErrors=True + ).addErrback(unwrapFirstError) - d.addErrback(unwrapFirstError) + defer.returnValue(res) - return preserve_context_over_deferred(d) + def __repr__(self): + return "<Signal name=%r>" % (self.name,) |