Python抽象工厂模式

class TypeB(object):
def __init__(self):
pass

class TypeA(object):
def __init__(self):
pass

class AbstractFactory(object):
def __init__(self):
super().__init__()
self.type_a = TypeA
self.type_b = TypeB

def get_instance_type_a(self):
return self.type_a()

def get_instance_type_b(self):
return self.type_b()

def main():
abstract_factory = AbstractFactory()
product_a = abstract_factory.get_instance_type_a()
product_b = abstract_factory.get_instance_type_b()

if __name__ == '__main__':
main()