import typing


class Meta(type):
  def __new__(mcls, name, bases, namespace, **kwargs):
    cls = super().__new__(mcls, name, bases, namespace, **kwargs)
    for key, value in namespace.items():
      if '__globals__' in dir(value):
        namespace[key].__globals__[cls.__name__] = cls
    return cls


def test():
  class Test(metaclass=Meta):
    def foo() -> 'Test': ...        
    
  print(typing.get_type_hints(Test.foo))
  
  class Test2(Test):
    def bar() -> 'Test2': ...

  print(typing.get_type_hints(Test2.foo))
  print(typing.get_type_hints(Test2.bar))

test()