diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/util/distributor.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/synapse/util/distributor.py b/synapse/util/distributor.py index 9605d7d1b9..9cffaec8f2 100644 --- a/synapse/util/distributor.py +++ b/synapse/util/distributor.py @@ -32,7 +32,9 @@ class Distributor(object): model will do for today. """ - def __init__(self): + def __init__(self, suppress_failures=True): + self.suppress_failures = suppress_failures + self.signals = {} self.pre_registration = {} @@ -40,7 +42,9 @@ class Distributor(object): if name in self.signals: raise KeyError("%r already has a signal named %s" % (self, name)) - self.signals[name] = Signal(name) + self.signals[name] = Signal(name, + suppress_failures=self.suppress_failures, + ) if name in self.pre_registration: signal = self.signals[name] @@ -74,8 +78,9 @@ class Signal(object): method into all of the observers. """ - def __init__(self, name): + def __init__(self, name, suppress_failures): self.name = name + self.suppress_failures = suppress_failures self.observers = [] def observe(self, observer): @@ -104,6 +109,10 @@ class Signal(object): failure.type, failure.value, failure.getTracebackObject())) + if not self.suppress_failures: + raise failure deferreds.append(d.addErrback(eb)) - return defer.DeferredList(deferreds) + return defer.DeferredList( + deferreds, fireOnOneErrback=not self.suppress_failures + ) |