> Since you put out to objectives, I'd like to propose a little > different approach... > > 1. Have eval/exec accept any mapping object as input > > 2. Make those two copy the content of the mapping object into real > dictionaries > > 3. Provide a hook into the dictionary implementation that can be > used to redirect KeyErrors and use that redirection to forward > the request to the original mapping objects Interesting counterproposal. I'm not sure whether any of the proposals on the table really do what's needed for e.g. case-insensitive namespace handling. I can see how all of the proposals so far allow case-insensitive reference name handling in the global namespace, but don't we also need to hook into the local-namespace creation process to allow case-insensitivity to work throughout? --david
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