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Creating Reusable Packages

We already created the package ploneconf.site much earlier.

In this part you will:

  • Build your own standalone egg.

Topics covered:

  • mr.bob

Now you are going to create a feature that is completely independent of the ploneconf site and can be reused in other packages.

To make the distinction clear, this is not a package from the namespace :samp:`ploneconf` but from :samp:`starzel`.

We are going to add a voting behavior.

For this we need:

  • A behavior that stores its data in annotations
  • A viewlet to present the votes
  • A bit of javascript
  • A bit of css
  • Some helper views so that the Javascript code can communicate with Plone

We move to the :file:`src` directory and again use a script called :file:`mrbob` from our project's :file:`bin` directory and the template from bobtemplates.plone to create the package.

$ mkdir src
$ cd src
$ ../bin/mrbob -O starzel.votable_behavior bobtemplates:plone_addon

We press Enter to all questions except our personal data and the Plone version. Here we enter 5.0a3.