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jBenes/singleton.py

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Last active August 29, 2015 14:27
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Singleton implantation on Python
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singleton.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
class Singleton(type):
def __call__(self, *args, **kwargs):
if 'instance' not in self.__dict__:
self.instance = super(Singleton, self).__call__(*args, **kwargs)
return self.instance
class CoolFeautre(object):
__metaclass__ = Singleton
print CoolFeautre()
print CoolFeautre()
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