External UI does not work under Mac OS X

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What steps will reproduce the problem?
1. Compile trunk under Mac OS X
2. Start the program and click either NERO or Battle
3. Click "Deploy" in the OpenNERO window
4. Adjust one of the sliders in the external interface

What is the expected output? What do you see instead?

On Linux, this works fine - i.e. adjusting the values 
changes the fitness function as expected. On Mac OS X 
(and possibly Windows as well) this does not work and
the program stops in blue screen due to an error in 
the code that is talking to the external UI (error 
code is Invalid file handle).

This probably has to do with how pipes work on different
Python platforms. We should really try to use something 
else for communicating with the external UI, such as a 
socket - that will work on all the platforms.

Original issue reported on code.google.com by ikarpov on 13 Sep 2010 at 3:41

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Original comment by ikarpov on 19 Sep 2010 at 6:34

• Added labels: Milestone-Release1.0

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Original comment by ikarpov on 19 Sep 2010 at 6:36

• Added labels: Milestone-EndOfSummer2010

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[deleted comment]

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Addressed in revision 535

Adam, please test all the buttons/sliders...

Original comment by ikarpov on 23 Sep 2010 at 2:24

• Changed state: Fixed

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Original comment by ikarpov on 29 Sep 2010 at 4:06

• Added labels: cs378ii