Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/nbformat/notebooknode.py: 21%

1"""NotebookNode - adding attribute access to dicts""" 

2 

3from collections.abc import Mapping 

4 

5from ._struct import Struct 

6 

7 

8class NotebookNode(Struct): 

9 """A dict-like node with attribute-access""" 

10 

11 def __setitem__(self, key, value): 

12 """Set an item on the notebook.""" 

13 if isinstance(value, Mapping) and not isinstance(value, NotebookNode): 

14 value = from_dict(value) 

15 super().__setitem__(key, value) 

16 

17 def update(self, *args, **kwargs): 

18 """ 

19 A dict-like update method based on CPython's MutableMapping `update` 

20 method. 

21 """ 

22 if len(args) > 1: 

23 raise TypeError("update expected at most 1 arguments, got %d" % len(args)) 

24 if args: 

25 other = args[0] 

26 if isinstance(other, Mapping): # noqa 

27 for key in other: 

28 self[key] = other[key] 

29 elif hasattr(other, "keys"): 

30 for key in other: 

31 self[key] = other[key] 

32 else: 

33 for key, value in other: 

34 self[key] = value 

35 for key, value in kwargs.items(): 

36 self[key] = value 

37 

38 

39def from_dict(d): 

40 """Convert dict to dict-like NotebookNode 

41 

42 Recursively converts any dict in the container to a NotebookNode. 

43 This does not check that the contents of the dictionary make a valid 

44 notebook or part of a notebook. 

45 """ 

46 if isinstance(d, dict): 

47 return NotebookNode({k: from_dict(v) for k, v in d.items()}) 

48 elif isinstance(d, (tuple, list)): 

49 return [from_dict(i) for i in d] 

50 else: 

51 return d