[Twisted-Python] buildProtocol never called

Jean-Paul Calderone exarkun at divmod.com
Sun May 31 21:49:05 EDT 2009


On Sun, 31 May 2009 15:18:50 -0500, travis+ml-twisted at subspacefield.org wrote:
>On Sat, May 30, 2009 at 08:26:40PM -0400, Jean-Paul Calderone wrote:
>> Creating the reactor at all may create a file descriptor which is necessary
>> for its operation.  Closing these will very likely cause problems.
>
>This is all before calling any Twisted routines

It's pretty easily to unintentionally import and instantiate the default
reactor.  Are you certain daemonization all happens before that?

>> Also, Twisted has daemonization features already which are known to work
>> well. ;)  Why aren't you using these?
>
>Hadn't heard about it.  Where's the documentation?

It's a feature of twistd.  http://twistedmatrix.com/projects/core/documentation/howto/tap.html and http://twistedmatrix.com/projects/core/documentation/howto/application.html talk about how to structure your code so as to be able to take advantage of the features of twistd.

Jean-Paul




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