def deferToLater(self, when, func, *args, **kwargs):
"""deferToLater helper that tracks defers outstanding"""
def cancel(d):
d._cancelled = True
d = Deferred(canceller=cancel)
d._cancelled = False
self.ps._callbacks.append(d)
def f():
if d in self.ps._callbacks:
self.ps._callbacks.remove(d)
# Don't run if the deferred was cancelled already
if d._cancelled:
return
try:
result = func(*args, **kwargs)
d.callback(result)
except:
d.errback(failure.Failure())
reactor.callLater(when, f)
return d
def deferToLater(self, when, func, *args, **kwargs):
"""deferToLater helper that tracks defers outstanding"""
def cancel(d):
d._cancelled = True
d = Deferred(canceller=cancel)
d._cancelled = False
self.ps._callbacks.append(d)
def f():
if d in self.ps._callbacks:
self.ps._callbacks.remove(d)
# Don't run if the deferred was cancelled already
if d._cancelled:
return
try:
result = func(*args, **kwargs)
d.callback(result)
except:
d.errback(failure.Failure())
reactor.callLater(when, f)
return d
