:mod:`dip.developer.extensions_viewer`
======================================
.. module:: dip.developer.extensions_viewer

This module implements a viewer of all
:term:`extension points<extension point>` and their contents.


:class:`ExtensionsViewer`
-------------------------
.. class:: ExtensionsViewer

    Base classes: :class:`~PyQt4.QtGui.QTreeWidget`, :class:`~dip.model.Model`

    The ExtensionsViewer class is a widget that implements a read-only
    visualisation of all extension points.

    .. attribute:: extension_points = List(IExtensionPoint)

        The extension points being viewed.

    .. method:: ExtensionsViewer.__init__()

        Initialise the viewer. 
