共享模式
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class Borg:
__shared_state = {}
def __init__(self):
self.__dict__ = self.__shared_state
def __str__(self):
return self.state
class YourBorg(Borg):
pass
if __name__ == '__main__':
rm1 = Borg()
rm2 = Borg()
rm1.state = 'Idle'
rm2.state = 'Running'
print('rm1:', rm1)
print('rm2:', rm2)
rm2.state = 'Zombie'
print('rm1:', rm1)
print('rm2:', rm2)
print('rm1 id:', id(rm1))
print('rm2 id:', id(rm2))
rm3 = YourBorg()
print('rm1:', rm1)
print('rm2:', rm2)
print('rm3:', rm3)