def _complete(self, out):
assert not BaseTask._cleanup_running, "Discontinuing processing because cleanup has started."
msg(consoleformat="%(task)r._complete(%(result)r)", task=self, result=out)
if isinstance(out, failure.Failure):
try:
self._fail(out)
self.deferred.pause()
BaseTask._all_cleanup()
reactor.callFromThread(reactor.stop)
return out
except:
err(failure.Failure())
if self.deferred.callbacks:
self.deferred.addBoth(self._complete)
return out
parent = getattr(self, 'parent', None)
try:
if parent:
parent.complete_sub(out, self)
finally:
if self in self.__bg_tasks:
self.__bg_tasks.remove(self)
if not self.__bg_tasks and reactor.running:
reactor.stop()
return out
def _all_cleanup(cls):
cls._cleanup_running = True
for task in cls.__bg_tasks:
msg(consoleformat="cleaning %(task)r", task=task)
try:
task.deferred.pause()
task._cleanup()
except:
err(failure.Failure())
def _fail(self, error):
err(consoleformat=u"Task %(task)r failed with output %(output)r", task=self, output=error._taskoutput)
err(error)
def _fail(self, error):
err(consoleformat=u"Task %(task)r failed.", task=self)
err(error)
