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[Python-Dev] Patch to use dict subclasses in eval(), exec
David AscherDavidA@ActiveState.com
Tue, 29 Oct 2002 11:05:06 -0800
Guido van Rossum wrote: > I think (2) could be resolved using "ghosts" -- this is what Zope's > persistency mechanism uses. The names must be present, but their > content is loaded on demand. I expect that (1) probably could also be > solved this way.That assumes that you can "preload" all of the names at initialization, correct? IOW, that you know the contents of the namespace in advance. Not a huge limitation, but not the same as lazy ghost-creation on lookup.>>PS: Thinking of PHP, the fact that I can look up variables defined>>in sessions or cookies or whatnot really really easily is one of the>>reasons I'm liking PHP more than Python for web programming these>>days. I don't know enough of the technical details of the web to>>know automatically where what data is stored and in what format -->>and PHP doesn't make me. Maybe web folks would use the>>dict-subclass feature to emulate this aspect of PHP.>>> But why not make it an attribute lookup? That's how Zope (again :-)> deals with this. Remember acquisition? :-)Yah, I remember. I'm not saying that one can't come up with a pythonic yet low-impact way of presenting web constructs to users. I guess I'm just expressing frustration with the fact that in PHP I don't really need to understand the web, whereas in Python I feel I have to. Seems wrong. =)--da
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