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.. _actions_chapter:
=======
Actions
=======
In CMF, the "actions tool" along with "action providers" create an extensible
mechanism to show links in the CMF management UI that invoke a particular
behavior or which show a particular template.
:app:`Pyramid` itself has no such concept, and no package provides a direct
replacement. Actions are such a generic concept that it's simple to
reimplement action-like navigation in a different way within any given
application. For example, a module-scope global dictionary which has keys
that are action names, and values which are tuples of (permission, link).
Take that concept and expand on it, and you'll have some passable actions
tool replacement within a single application.
The `pyramid_viewgroup <https://github.com/Pylons/pyramid_viewgroup/>`_
package provides some functionality for creating "view groups". Each view in
a viewgroup can provide some snippet of HTML (e.g. a single "tab"), and
individual views (tabs) within the group which cannot be displayed to the
user due to the user's lack of permissions will be omitted from the rendered
output.
The :term:`repoze.lemonade` package provides "list item" support that
may be used to construct action lists.
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