PythonOptimize and doc strings.

                 Key: MODPYTHON-227
             Project: mod_python
          Issue Type: Improvement
          Components: core
    Affects Versions: 3.3.1
            Reporter: Graham Dumpleton
            Priority: Minor

When PythonOptimize directive is used and set to "On", the effect is the same 
as if the options '-O -O' had been supplied to the 'python' executable. Because 
the highest level of optimisation is enabled, as well as basic optimisations 
being enabled, any doc strings in modules are discarded. This will cause a 
problem with any Python modules which make use of doc strings in the way they 
work. It is suspected for example that this may cause issues with running 
'matplotlib'. See:

for further details.

Because someone may want to enable optimisation but not have doc strings be 
discarded, the PythonOptimize directive should perhaps accept 'Basic' and 
'Full' as options instead of just 'On'. For backward compatibility 'On' would 
equate to 'Full'.

Note that the documentation is also wrong as it says that PythonOptimize is 
only equivalent to '-O'.

Finally, it doesn't currently matter what you set as the value to 
PythonOptimize, it always turns the feature on, ie., even if you have:

  PythonOptimize Off

The code should check for valid values.

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