Widget that can execute other widgets?

I am wondering if there is a way (even via a plugin) to have one widget execute other widgets.  So within a widget I could do something like this:


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  • A scriptable plugin can only render its own widget(s) and it would incur more plumbing: 

    1. Implement scriptable plugin
    2. Implement widgets
    3. Implement scripting API extension to expose execution of scriptable plugin widgets
    4. Use new scripting API extension to execute plugin's widgets.

    vs Automation:

    1. Implement automation w/ manual execution enabled
    2. Use existing scripting API extension to execute the automation.