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Introduction

Dexterity is a content-type development tool for Plone. It supports Through-The-Web and filesystem development of new content types for Plone. Templer is a Python source package skeleton creator.

templer.dexterity provides a mechanism to quickly create Dexterity add-on skeletons. It also makes it easy to add new content types to an existing skeleton. New content types built with this tool are easy to integrate with types you may have developed with Dexterity's TTW schema editor.

This is a development tool. You should be familiar with Plone and buildout to use it. You should have already installed Dexterity in your Plone development instance and be ready to start learning to use it.

Installation

Add these lines into buildout.cfg:

[buildout]
parts =
   templer

[templer]
recipe = zc.recipe.egg
eggs =
   PasteScript
   templer.core
   templer.zope
   templer.plone
   templer.dexterity
   ${instance:eggs}

Where instance is the part name of a Zope instance or ZODB client.

Run buildout.

Usage

Creating a dexterity content package, typically done in your buildout's src directory:

../bin/templer dexterity

Adding a content-type skeleton to an existing package:

cd yourbuildout/src/your-product/src
../../../bin/paster add content_type

Adding a behavior skeleton:

cd yourbuildout/src/your-product/src
../../../bin/paster add behavior

You must add your new project to your buildout and run buildout before adding content types or behaviors to your new package.

Notes

Egg Directories

In order to support local commands, templer will create Paste, PasteDeploy and PasteScript eggs inside your product. These are only needed for development. You can and should remove them from your add-on distribution.

Also remove:

setup_requires=["PasteScript"],
paster_plugins=["templer.localcommands"],

from the packages setup.py.

Errors

If you hit and error like this:

pkg_resources.DistributionNotFound: plone.app.relationfield:
Not Found for: my.product (did you run python setup.py develop?)

when attempting to run paster add, then you need to ensure that Paster knows about all the relevant eggs from your buildout.

Add ${instance:eggs} to your paster section in your buildout, thusly:

[templer]
recipe = zc.recipe.egg
eggs =
   ...
   ${instance:eggs}
   entry-points = paster=paste.script.command:run

where instance is the name of your plone.recipe.zope2instance section. Re-run the buildout and the issue should be resolved.

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