borg.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-


class Borg:
 __shared_state = {}

 def __init__(self):
 self.__dict__ = self.__shared_state
 self.state = 'Init'

 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: {0}'.format(rm1))
 print('rm2: {0}'.format(rm2))

 rm2.state = 'Zombie'

 print('rm1: {0}'.format(rm1))
 print('rm2: {0}'.format(rm2))

 print('rm1 id: {0}'.format(id(rm1)))
 print('rm2 id: {0}'.format(id(rm2)))

 rm3 = YourBorg()

 print('rm1: {0}'.format(rm1))
 print('rm2: {0}'.format(rm2))
 print('rm3: {0}'.format(rm3))

### OUTPUT ###
# rm1: Running
# rm2: Running
# rm1: Zombie
# rm2: Zombie
# rm1 id: 140732837899224
# rm2 id: 140732837899296
# rm1: Init
# rm2: Init
# rm3: Init