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#!/usr/bin/python
from application.python.util import Singleton
class Unique(object):
"""This class has only one instance"""
__metaclass__ = Singleton
class CustomUnique(object):
"""This class has one instance per __init__ arguments combination"""
__metaclass__ = Singleton
def __init__(self, name='default', value=1):
self.name = name
self.value = value
o1 = Unique()
o2 = Unique()
print "o1 is o2 (expect True):", o1 is o2
co1 = CustomUnique()
co2 = CustomUnique()
co3 = CustomUnique(name='myname')
co4 = CustomUnique(name='myname')
co5 = CustomUnique(name='myname', value=2)
co6 = CustomUnique(name='myothername')
print "co1 is co2 (expect True):", co1 is co2
print "co3 is co4 (expect True):", co3 is co4
print "co1 is co3 (expect False):", co1 is co3
print "co4 is co5 (expect False):", co4 is co5
print "co4 is co6 (expect False):", co4 is co6
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