[Twisted-Python] A few simple questions
exarkun at twistedmatrix.com
exarkun at twistedmatrix.com
Thu Jul 12 13:52:15 EDT 2012
On 04:02 pm, _ at lvh.cc wrote:
>On Thursday, July 12, 2012, Russell E. Owen wrote:
>>I'm adding Twisted support to some existing communication code and I
>>have a few questions which I hope are simple. I've been reading the
>>API
>>documentation, but if the answers are there I'm missing them.
>>
>>What happens if one tries to write to a protocol.transport that is not
>>connected or in an error state? (I'm hoping that this case has defined
>>behavior and that it will raise an exception).
>
>
>Not connected usually means that protocol.transport is None
I don't think you'll find this to be true.
Not connected means makeConnection hasn't yet been called or
connectionLost has been called. Anything else you want, you need to
build yourself (and given those two callbacks, it should be obvious how
to build something simple to tell you this).
Jean-Paul
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