#NEWLINE# def timeoutDeferred( reactor , deferred , seconds ) : #NEWLINE# #INDENT# '\n    Cancel a L{Deferred} if it does not have a result available within the\n    given amount of time.\n\n    @see: L{Deferred.cancel}.\n\n    The timeout only waits for callbacks that were added before\n    L{timeoutDeferred} was called. If the L{Deferred} is fired then the\n    timeout will be removed, even if callbacks added after\n    L{timeoutDeferred} are still waiting for a result to become available.\n\n    @type reactor: L{IReactorTime}\n    @param reactor: A provider of L{twisted.internet.interfaces.IReactorTime}.\n\n    @type deferred: L{Deferred}\n    @param deferred: The L{Deferred} to time out.\n\n    @type seconds: C{float}\n    @param seconds: The number of seconds before the timeout will happen.\n\n    @rtype: L{twisted.internet.interfaces.IDelayedCall}\n    @return: The scheduled timeout call.\n    ' #NEWLINE# def timedOutCall( ) : #NEWLINE# #INDENT# deferred . cancel ( ) #NEWLINE# #UNINDENT# delayedTimeOutCall = reactor . callLater ( seconds , cancelTimeout ) #NEWLINE# def cancelTimeout( result ) : #NEWLINE# #INDENT# if delayedTimeOutCall . active ( ) : #NEWLINE# #INDENT# delayedTimeOutCall . cancel ( ) #NEWLINE# #UNINDENT# return result #NEWLINE# #UNINDENT# deferred . addBoth ( cancelTimeout ) #NEWLINE# return delayedTimeOutCall