mirror of
https://github.com/LCPQ/quantum_package
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27 lines
500 B
Python
27 lines
500 B
Python
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from functools import wraps
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def cache(func):
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"""
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A decorator for lazy evaluation off true function
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"""
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saved = {}
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@wraps(func)
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def newfunc(*args):
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if args in saved:
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return saved[args]
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result = func(*args)
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saved[args] = result
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return result
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return newfunc
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class classproperty(object):
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def __init__(self, fget):
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self.fget = fget
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def __get__(self, owner_self, owner_cls):
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return self.fget(owner_cls)
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