Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/pandas/compat/chainmap.py: 33%

1from __future__ import annotations 

2 

3from typing import ( 

4 ChainMap, 

5 TypeVar, 

6) 

7 

8_KT = TypeVar("_KT") 

9_VT = TypeVar("_VT") 

10 

11 

12class DeepChainMap(ChainMap[_KT, _VT]): 

13 """ 

14 Variant of ChainMap that allows direct updates to inner scopes. 

15 

16 Only works when all passed mapping are mutable. 

17 """ 

18 

19 def __setitem__(self, key: _KT, value: _VT) -> None: 

20 for mapping in self.maps: 

21 if key in mapping: 

22 mapping[key] = value 

23 return 

24 self.maps[0][key] = value 

25 

26 def __delitem__(self, key: _KT) -> None: 

27 """ 

28 Raises 

29 ------ 

30 KeyError 

31 If `key` doesn't exist. 

32 """ 

33 for mapping in self.maps: 

34 if key in mapping: 

35 del mapping[key] 

36 return 

37 raise KeyError(key)