def namespacer(plugin_group, plugin, name):
    """
* `plugin_group` - `string`. The name of the plugin directory
* `plugin` - `string`. The name of the plugin
* `name` - `string`. An attribute key name

A helper to enforce DRY. Used in the two places that namespace attribute keys which are 
appended to the attributes associated with the keys in the data set built by a sofine call. 
"""
    return plugin_group + '::' + plugin + '::' + name