python get all submodules without having to define all [duplicate]

Question

My requirement might be a bit strange, but here it is:

I have a package called handlers. Outside of this package, I have main.py. In main.py, I need to get all the submodules under handlers. Now I can define __all__ in __init__.py but that would have to be updated everytime I add a new submodule in the directory. So is there a way to automatically keep __all__ updated?

__all__ limits what is being imported from a module. It does not expand it. — Martijn Pieters
– Martijn Pieters, Commented Jun 30, 2013 at 16:21

yurisich · Accepted Answer · 2013-06-30 16:53:08Z

You need to explicitly state where you're getting the modules from in main.py.

Even if it becomes 50+ lines after constant updating, so be it. Don't use the from handlers import * notation.

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