Zope 3 Training for Plone Developers: Knowledge Prerequisites

Good understanding of the Python programming language
Good understanding of the Plone CMS from a user perspective (ie how to access a Plone site, add content items, etc).
Know how to install and run Zope 2 and Plone on your OS of choice.
Understand the difference between TTW development and filesystem development for Zope 2.
Understand the basics of creating a filesystem product that can be deployed into a Zope 2 instance (this is broken down into: Content Types, CMF Skins, and Catalog Usage as described below).

Be able to construct basic content types using the Archetypes framework without the aid of any code auto-generation tools such as ArchGenXML.

Understand the correlation between ATContentTypes and the Archetypes framework.
Understand the basic schema fields and their individual properties used to construct schema's for Archetypes based content types.
Understand basic reference handling via the Archetypes ReferenceField schema field type (ie how to link to content type instances together).
Basic understanding of what basic_view and base_edit are and where they come from.

Good understanding of the Zope Page Template language.
Understand how to register a skin directory on the filesystem.
Understand how to create skin templates and py scripts that can be invoked via a URL relative to a Plone site.

Understand how to lookup the catalog portal tool and perform simple queries
Understand the differences between catalog brains and real objects (and how they relate).