> What we would like to do is avoid registry importing from so many of the > other apps, to avoid the circular dependencies. > > To do this we are currently looking at having ISomething interfaces in > the apps (bugs, code, soyuz etc.) that define an interface relevant to > them. This is standard practice for a lot of things, see IBugTarget, > IHasBranches etc.
When the issue of circular dependencies first came up, we decided to stumble along until we could use a planned newer version of Zope which would allow us to use some kind of deferred reference. I didn't follow this development very closely, so I don't know if this feature actually made it into Zope, but if so it seems like a simpler solution to your problem than creating a lot of adapters. Leonard
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