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Helper viewlets to easily insert code on the layout of a Plone site.

Project description

Life, the Universe, and Everything

This package defines some helper viewlets to easily insert code on the layout of a Plone site.

One use case is the insertion of ad code from sites like DoubleClick.

The name comes from the blue-line process, a document reproduction produced by using the diazo chemical process. You already know the rest of the story.

Mostly Harmless

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Got an idea? Found a bug? Let us know by opening a support ticket.

Don’t Panic


To enable this package in a buildout-based installation:

  1. Edit your buildout.cfg and add add the following to it:

    eggs =

After updating the configuration you need to run ‘’bin/buildout’’, which will take care of updating your system.

Go to the ‘Site Setup’ page in a Plone site and click on the ‘Add-ons’ link.

Check the box next to collective.blueline and click the ‘Activate’ button.



Share and Enjoy

This package would not have been possible without the contribution of the following people:

  • Héctor Velarde
  • Rodrigo Ferreira de Souza
  • Visual Pharm (icon)

You can find an updated list of package contributors on GitHub.


There’s a frood who really knows where his towel is.

1.0b1 (2017-01-26)

  • Remove dependency on five.grok. [rodfersou]
  • Add Brazilian Portuguese and Spanish translations. [hvelarde]
  • Add Blueline portlet. [rodfersou, cleberjsantos, hvelarde]
  • Add code validation for control panel configlet fields (closes #1). [rodfersou]

1.0a2 (2015-04-30)

  • Do not show viewlets in the context of Diazo control panel configlet. [hvelarde]
  • Set order for blueline.header viewlet on all skins. [hvelarde]

1.0a1 (2015-04-13)

  • Initial release.

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