[Python-ideas] Replacing the if __name__ == "__main__" idiom (was Re: making a module callable)

[Steven D'Aprano]

On Sun, Nov 24, 2013 at 09:04:59AM +1100, Chris Angelico wrote:

> Just a really crazy idea... Does Python let you go "one level outside"
> and tinker with the code that imports __main__? I haven't looked into
> all that mechanism, but I know quite a bit of it is now implemented in
> Python, so it's theoretically possible... could you, in effect, add a
> line of code *after* that import that effectively calls
> __main__.__main__(sys.argv) ? That would do most of what you want.

It sounds like you're describing an import hook, although such things 
are completely opaque to me. I know they exist, but I've got no idea how 
they work or what they can do.


-- 
Steven