twisted.internet.defer.Deferred.cancel(self)
method documentationtwisted.internet.defer.Deferred
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Cancel this Deferred
.
If the Deferred
has not yet had its errback
or callback
method invoked, call the canceller function provided to the constructor. If that function does not invoke callback
or errback
, or if no canceller function was provided, errback with CancelledError
.
If this Deferred
is waiting on another Deferred
, forward the cancellation to the other Deferred
.