+1 The zope component architecture properly used is a thing of beauty. To see it in practice, probably the best example is the pyramid web framework. Most of th

+1 The zope component architecture properly used is a thing of beauty. To see it in practice, probably the best example is the pyramid web framework. Most of the important things in pyramid are expressed in terms of interfaces and components so if you want to use your own you just plug it in. You've got a much higher chance of it working in pyramid than (for example - not in particular) django.