[Twisted-web] Class methods as callbacks/errbacks

[A Desai]

I use a wrapper functions as follows to specify the callback argument of addCallback() and addErrback().

def reqConnLostCallbk(result, arg_self):
    arg_self.lost_conn()

def reqConnLostErrbk(failure, arg_self):
    arg_self.lost_conn()


... inside a class method
    d.addCallback(reqConnLostCallbk, self)
    d.addErrback(reqConnLostErrbk, self)

    def lost_conn(self):
        // cleanup
        pass

Is there an alternative and/or cleaner solution to specify a class method as a callback or errback?

-Arun
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