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Subtyping framework for Plone

Project description


p4a.subtyper is a subtyping framework for Plone. In this context, subtyping means to provide additional specific types onto existing content types. An example to standard Plone would be to have only one File content type (and no Image content type). The Image content type would then become a sub-type of the File content type.

It also exposes the possible sub-types for a given object in the content menu with a sub-types dropdown menu.

See browser/browser.txt for example usage.


  • Plone 2.5 or Plone 3.x


Originally created by Rocky Burt (rocky AT serverzen DOT com – on behalf of Jazkarta Inc (


1.1.3 (2010-05-11)

  • Show the subtype-submenu only if the object actually has subtypes and you have the permission the change it. [WouterVH]

  • Avoid TypeError when checking the subtyper-view for has_possible_types, in the case that no subtypes are available. [WouterVH]

1.1.2 (2010-04-29)

  • The permissions in p4a/subtyper/configure.zcml are now changed from zope.Public to cmf.ManagePortal to prevent Anonymous subtyping [tbesluau]

  • Make sure active subtypes get the proper class in the menu even with 2.x [davisagli]

  • Fixed test setup for when running using zc.recipe.testrunner. [davisagli]

  • Add [WouterVH]

  • The subtypes adapter is now registered locally for Plone 3 and greater so that it does not show up in Plone sites where it is not installed. [yomatters]

1.1.1 (2009-05-03)

  • Plone4ArtistsSubtyper is no longer loaded in tests if it doesn’t exist

  • There is now an uninstall method that will remove the ISubtyped marker interface from all objects.

  • The way IDynamicallyViewable is imported has changes, so that p4a.subtyper can be used as a standalone egg.

  • Made Plone4ArtistsSubtyper setup optional.

1.1.0 (2008-07-07)

1.0.1 (2008-02-13)

  • You couldn’t unselect a subtype under Plone 2.5.

1.0 (2008-02-13)

  • First public release

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