[Twisted-Python] inlineCallbacks: multiple yielding same Defferred behaviour

[Sergey V. Gerasimov]

It's not intuitively clear why multiple yielding the same Defferred in
function decorated with defer.inlineCallbacks get different results:

 

@defer.inlineCallbacks

def f():

                d = defer.succeed(1)

                result = yield d

print result

                result = yield d

print result

 

Output:

1

None

 

Probably we SHOULD NOT think if "d" was or was not yielded before when using
inlineCallbacks..

 

Are they some workarounds?

 

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