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  • Committer: William Grant
  • Date: 2009-03-17 07:16:03 UTC
  • Revision ID: grantw@unimelb.edu.au-20090317071603-ux5qxbjkpdarvig3
Tags: 0.1.9.10
ivle.interpret.execute_raw() no longer breaks with lots of data.

Previously we uses subprocess' wait(), which doesn't empty the stdout
pipe. It filled up, causing the child to block. We now use communicate()
instead, which select()s and reads the pipes to unblock things.

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subjects/sample/ws1.xml
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    <p><small>You can give students lessons in between problems.</small></p>
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    <p>The Python <code>print</code> statement can be used to write text
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    to the screen. Try it in this exercise.</p>
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    <problem src="sample/hello.xml" />
 
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    <exercise src="sample/hello.xml" />
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    <p>The next problem is a bit harder. It requires you to manipulate
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    several files.</p>
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    <problem src="sample/all_input.xml" />
 
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    <exercise src="sample/all_input.xml" />
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    <p>Now functions can be used to compute values.  This one will be recursive.</p>
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    <problem src="sample/fib.xml" />
 
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    <exercise src="sample/fib.xml" />
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</worksheet>