[Python] Building a streamlit app that can be run simply with "uvx [package-name]"

I would like to write a python package (let's call it foobarbaz) that would have script (e.g., pointing to foobarbaz:main) which would itself launch/serve a streamlit app. The ultimate goal is to let end-users simply run uvx foobarbaz and access the streamilt app.

1. What minimal project structure would allow me to do this? Something like this?

foobarbaz
├── pyproject.toml
└── src
└── foobarbaz
└── __init__.py

1. 
   How can I programatically trigger the equivalent of streamlit run foobarbaz/__init__.py from within foobarbaz.main()? Is this possible in a truly cross-platform way?
   
   
2. 
   How can I test locally that everything works as intended before publishing to PIPy?
   

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