z3c.jbot package allows easy customization of existing templates and images. It works on Zope 2 and Zope 3. The Chameleon rendering engine is supported [1].
Use of this package adds a small (2-3 ms per request on Plone) to the total application response time.
[1] To enable Chameleon on Zope 2, use the five.pt package (CMF-apps like Plone should use cmf.pt which adds full support).
Usage:
To override a particular file, first determine its canonical filename. It's defined as the path relative to the package within which the file is located; directory separators are replaced with dots.
Example:
Suppose you want to override: /plone/app/layout/viewlets/logo.pt
You would use the filename: plone.app.layout.viewlets.logo.pt
Simply drop the file in a directory and register that directory for use with jbot using a ZCML-directive:
< include package="z3c.jbot" file="meta.zcml" / >
< browser:jbot
directory="< path >"
layer="< layer>" / >
Templates in views, viewlets and portlets
Any template that is defined as a class-attribute can be overriden using jbot, e.g. those used in views, viewlets and portlets. The template overrides may be registered for any request layer or only a specific layer.
CMF objects
Any skin-object (e.g. images, templates) on the file system (directory views) can be overridden.
Product's homepage
Requirements:
· Python
· Plone CMS
What's New in This Release: [ read full changelog ]
· Fixed an issue where multiple registrations against the same layer would cause only one registration (decided randomly) to have effect.
· The lookup code now uses the specification resolution order to query for override registrations in order of specialization. [malthe]
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