Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/wirerope/_util.py: 100%

1 

2_missing = object() 

3 

4 

5class cached_property(property): # pragma: no cover 

6 """ 

7 

8 Import from: 

9 https://github.com/pallets/werkzeug/blob/master/werkzeug/utils.py 

10 """ 

11 

12 # implementation detail: A subclass of python's builtin property 

13 # decorator, we override __get__ to check for a cached value. If one 

14 # choses to invoke __get__ by hand the property will still work as 

15 # expected because the lookup logic is replicated in __get__ for 

16 # manual invocation. 

17 

18 def __init__(self, func, name=None, doc=None): 

19 self.__name__ = name or func.__name__ 

20 self.__module__ = func.__module__ 

21 self.__doc__ = doc or func.__doc__ 

22 self.__func__ = func 

23 

24 def __set__(self, obj, value): 

25 obj.__dict__[self.__name__] = value 

26 

27 def __get__(self, obj, type=None): 

28 if obj is None: 

29 return self 

30 value = obj.__dict__.get(self.__name__, _missing) 

31 if value is _missing: 

32 value = self.__func__(obj) 

33 obj.__dict__[self.__name__] = value 

34 return value