Vinay Sajip added the comment:

I've updated logging as discussed in this issue, except for the removal of the 
two calls to eval() in logging.config. I propose to resolve that as follows:

1. Add the Evaluator implemented in the Gist I linked to to ast.py.
2. Expose a function 'ast.lookup_eval(source, context, allow_import)' which 
basically just does a

    return Evaluator(context, allow_import).evaluate(source, '<lookup_eval>')

3. Add docs and tests to ast.rst and test_ast.py.
4. Update logging.config to call ast.lookup_eval() instead of eval().

Please comment if you see any problems with this, otherwise I will go
ahead and implement this change within the next week or so.

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue15452>
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