Larry Bates wrote: > Charles D Hixson wrote: > >> I'm sure I've read before about how to construct prototypes in Python, >> but I haven't been able to track it down (or figure it out). >> >> What I basically want is a kind of class that has both class and >> instance level dict variables, such that descendant classes >> automatically create their own class and instance level dict variables. >> The idea is that if a member of this hierarchy looks up something in >> it's local dict, and doesn't find it, it then looks in the class dict, >> and if not there it looks in its ancestral dict's. This is rather like >> what Python does at compile time, but I want to do it at run time. >> >> I'm sure I've seen how to do it...but have no idea where, or what it was >> called, or when (probably around the time Prothon was being discussed, >> as I have the idea of prototype associated with it for no clear reason). >> > > What you describe is exactly how Zope works so you might want to spend > some time looking at it. > > http://www.zope.org > > -Larry > Thanks for the suggestion, and I'll do that if I must, but Zope is pretty heavy to drag into something for just one function, and I don't really see any use for most parts of it in what I'm doing. And that's a LOT of code to wade through for one technique.
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