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On 2017-09-12, Nathaniel Smith wrote:
If you're ok with replacing the object in sys.modules then the ability to totally customize your module's type has existed since the dawn era. And if you're not ok with that, then it's still existed since 3.5 via the mechanism of assigning to __class__ to change the type in-place.
It doesn't quite work though. Swapping out or assigning to __class__, and then running:
does not have the expected behavior. LOAD_NAME/LOAD_GLOBAL does not care about your efforts. Accessing module globals from outside the module does work as that is a getattr call. That is a weird inconsistency that should be fixed if it is not too painful.
Coming up with handy syntax or whatever is a minor problem.