[TransWarp] input-driven application - assembling filters
alexander smishlajev
alex at ank-sia.com
Fri May 16 15:17:56 EDT 2003
Phillip J. Eby wrote:
>
>> def uponAssembly(self):
>> super(Echo2, self).uponAssembly()
>> _pipe = self.pipe
>
> Please don't do this. It isn't safe to override 'uponAssembly()' and
> call it with 'super()'. The standard way to capture an assembly event is:
>
> def setupPipe(self,d,a):
> #....
>
> setupPipe = binding.whenAssembled(setupPipe)
> Also, note that if you use the most-updated CVS version of PEAK, your
> run() method will not need to call 'uponAssembly()', as it will be
> called automatically for you, well before your run() method gets called.
>> this module works ok, but i think that there may be a better way to
>> connect inner filters together. right?
>
> It depends on what you mean by "better". :) What did you have in mind?
you have already answered the question: better way is to use
whenAssembled() instead of uponAssembly() and not to call the procedure
explicitely. thank you.
best wishes,
alex.
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