In Python 3 you can do this without any decorators.
The following works and produces the same output:
class AA:
def greet(A_instance):
print("Hello", A_instance.name)
class BB:
def greet(A_instance):
print("Hi", A_instance.name)
class A:
def __init__(self, state, name):
self.state = state
self.name = name
def greet(self):
self.state.greet(self)
def switchAA(self):
self.state = AA
def switchBB(self):
self.state = BB
if __name__ == "__main__":
obj = A(AA, "alperen")
obj.greet()
obj.switchBB()
obj.greet()
--
Greg
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