[Zope3-dev] Re: Mini-proposal: member-aware group interface

Gary Poster gary at zope.com
Thu Jan 12 20:44:55 EST 2006


On Jan 12, 2006, at 7:22 PM, Florent Guillaume wrote:

> Gary Poster wrote:
>> Problem:
>> We need to be able to iterate over the members of a group, given  
>> a  group id.
...
> I think I'm for it, but in some cases even though groups may be  
> able to list all their members it may (if they're dynamically  
> computed) turn out to be a huge list. I guess in that case you  
> could simply not advertise that the group implements the interface.

Yes, exactly--plus notice that I specify that it is an iterable, so  
maybe some apps can reasonably make it work as a generator, not a  
huge list.

Gary


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