So yes... as I thought, SimpleNamespace does EVERYTHING described by the
proposal, just without needing more keywords:
>>> from types import SimpleNamespace
>>> class A(SimpleNamespace):
... class B(SimpleNamespace):
... foo = 'bar'
...
>>> A.B.foo
'bar'
>>> A.B
<class '__main__.A.B'>
>>> import sys
>>> vars(sys.modules[__name__])["A"]
<class '__main__.A'>
>>> class Example:
... class foo(SimpleNamespace):
... def bar(self):
... print("hello")
...
>>> Example.foo.bar
<function Example.foo.bar at 0x7fa8408bb710>
>>> Example.foo.bar(None)
hello
I mean, yes if you want the repr to be `<namespace blah blah...>` this is
different. But nothing functional is not already available this way.
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