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+=========
+ Plugins
+=========
+
+GNU MediaGoblin supports plugins that, when installed, allow you to
+augment MediaGoblin's behavior.
+
+This chapter covers discovering, installing, configuring and removing
+plugins.
+
+
+Discovering plugins
+===================
+
+MediaGoblin comes with core plugins. Core plugins are located in the
+``mediagoblin.plugins`` module of the MediaGoblin code. Because they
+come with MediaGoblin, you don't have to install them, but you do have
+to add them to your config file if you're interested in using them.
+
+You can also write your own plugins and additionally find plugins
+elsewhere on the Internet. Since these plugins don't come with
+MediaGoblin, you must first install them, then add them to your
+configuration.
+
+
+Installing plugins
+==================
+
+MediaGoblin core plugins don't need to be installed. For core plugins,
+you can skip installation!
+
+If the plugin is not a core plugin and is packaged and available on
+the Python Package Index, then you can install the plugin with pip::
+
+    pip install <plugin-name>
+
+For example, if we wanted to install the plugin named
+"mediagoblin-restrictfive", we would do::
+
+    pip install mediagoblin-restrictfive
+
+.. Note::
+
+   If you're using a virtual environment, make sure to activate the
+   virtual environment before installing with pip. Otherwise the
+   plugin may get installed in a different environment.
+
+Once you've installed the plugin software, you need to tell
+MediaGoblin that this is a plugin you want MediaGoblin to use. To do
+that, you edit the ``mediagoblin.ini`` file and add the plugin as a
+subsection of the plugin section.
+
+For example, say the "mediagoblin-restrictfive" plugin had the Python
+package path ``restrictfive``, then you would add ``restrictfive`` to
+the ``plugins`` section as a subsection::
+
+    [plugins]
+
+    [[restrictfive]]
+
+
+Configuring plugins
+===================
+
+Generally, configuration goes in the ``.ini`` file. Configuration for
+a specific plugin, goes in a subsection of the ``plugins`` section.
+
+Example 1: Core MediaGoblin plugin
+
+If you wanted to use the core MediaGoblin flatpages plugin, the module
+for that is ``mediagoblin.plugins.flatpages`` and you would add that
+to your ``.ini`` file like this::
+
+    [plugins]
+
+    [[mediagoblin.plugins.flatpages]]
+    # configuration for flatpages plugin here!
+
+Example 2: Plugin that is not a core MediaGoblin plugin
+
+If you installed a hypothetical restrictfive plugin which is in the
+module ``restrictfive``, your ``.ini`` file might look like this (with
+comments making the bits clearer)::
+
+    [plugins]
+
+    [[restrictfive]]
+    # configuration for restrictfive here!
+
+Check the plugin's documentation for what configuration options are
+available.
+
+
+Removing plugins
+================
+
+To remove a plugin, use ``pip uninstall``. For example::
+
+    pip uninstall mediagoblin-restrictfive
+
+.. Note::
+
+   If you're using a virtual environment, make sure to activate the
+   virtual environment before uninstalling with pip. Otherwise the
+   plugin may get installed in a different environment.