name-spaces and loading a file

[Aahz Maruch]

In article <8766vn2ijn.fsf at curious.eyeofdog.com>,
Alex Shinn  <foof at eyeofdog.com> wrote:
>
>exec 'scene.' + var
>
>which only works for variables known by the main engine ahead of
>time... it doesn't let the story author declare a new global in one
>scene to be accessed by other scenes.

Any time someone starts talking about needing to access variables with
non-predefined names, my first question is always: why not just create a
dictionary and pass it around?  That way, each module contains a class
that gets passed a reference to this dict at __init__; because it's a
*reference*, all the instances see changes to the dict.

(I'll admit that I tend to deep-end on using dicts when they're not
always the best solution, but I think that's better than the reverse
problem.  To rephrase the Timbot's great advice: "Dicts are a honking
great idea, let's use more of them!")
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