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Generator Frustration

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I'm using the SimPy package to run simulations. Anyone who's used this 
package knows that the way it simulates process concurrency is through the 
clever use of yield statements. Some of the code in my programs is very 
complex and contains several repeating sequences of yield statements.  I 
want to combine these sequences into common functions.  The problem of 
course, is that once a yield gets put into a function, the function is now a 
generator and its behavior changes.  Is there any elegant way to do this?  I 
suppose I can do things like ping-pong yield statements, but that solutions 
seems even uglier than having a very flat, single main routine with 
repeating sequences.

Thanks in advance. 

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Generator Frustration "TommyVee" <xxxxxxxx@xxxxxx.xxx> - 2011-06-04 14:27 -0400
  Re: Generator Frustration Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-05 00:56 +0000
    Re: Generator Frustration Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-06-05 13:43 +1200
      Re: Generator Frustration Jack Diederich <jackdied@gmail.com> - 2011-06-04 22:06 -0400
      Re: Generator Frustration "TommyVee" <xxxxxxxx@xxxxxx.xxx> - 2011-06-05 20:11 -0400
  Re: Generator Frustration Jan Decaluwe <jan@jandecaluwe.com> - 2011-06-05 11:52 +0200
  Re: Generator Frustration Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-06-06 11:07 +0200
    Re: Generator Frustration "TommyVee" <xxxxxxxx@xxxxxx.xxx> - 2011-06-07 20:41 -0400

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