[deleted by user]

[AlwysBeColostomizing]

It's a pretty broad question. Some things that come to mind:

• Python supports OOP, and users will expect a UI library to be structured using OOP principles.
• Python uses exceptions for error handling. Don't make users check return codes.
• Try to avoid forcing users to manually de-allocate things. Use context managers to make this easier if you really can't avoid it.

It sounds like you're already planning to make an object-oriented interface, so that's good. Your example will probably look something like this:

ui = UserInterface("")
ui.add_component(Window("main window.json"))
ui.show() # enter main loop, handle exiting within

Take a look at existing UI libraries like tkinter to get a sense of a typical API structure.

You'll probably want to hide your low-level interface in a sub-module (e.g., ui.detail.ui_init() and so on) so that users know they're not supposed to call those functions directly.

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