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Make distributer.fire work as it did

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This commit is contained in:
Erik Johnston 2015-05-12 13:14:48 +01:00
parent 95dedb866f
commit 8022b27fc2
1 changed files with 27 additions and 17 deletions
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44
synapse/util/distributor.py
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@ -15,6 +15,12 @@
from twisted.internet import defer
from synapse.util.logcontext import (
PreserveLoggingContext, preserve_context_over_deferred,
)
from synapse.util import unwrapFirstError
import logging
@ -99,23 +105,27 @@ class Signal(object):
Returns a Deferred that will complete when all the observers have
completed."""
def eb(failure):
logger.warning(
"%s signal observer %s failed: %r",
self.name, observer, failure,
exc_info=(
failure.type,
failure.value,
failure.getTracebackObject()))
if not self.suppress_failures:
failure.raiseException()
def do(observer):
def eb(failure):
logger.warning(
"%s signal observer %s failed: %r",
self.name, observer, failure,
exc_info=(
failure.type,
failure.value,
failure.getTracebackObject()))
if not self.suppress_failures:
return failure
return defer.maybeDeferred(observer, *args, **kwargs).addErrback(eb)
deferreds = [
defer.maybeDeferred(observer, *args, **kwargs)
for observer in self.observers
]
with PreserveLoggingContext():
deferreds = [
do(observer)
for observer in self.observers
]
d = defer.gatherResults(deferreds, consumeErrors=True)
d.addErrback(eb)
d = defer.gatherResults(deferreds, consumeErrors=True)
return d
d.addErrback(unwrapFirstError)
return preserve_context_over_deferred(d)