Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/openpyxl/descriptors/container.py: 77%

1# Copyright (c) 2010-2024 openpyxl 

2 

3""" 

4Utility list for top level containers that contain one type of element 

5 

6Provides the necessary API to read and write XML 

7""" 

8 

9from openpyxl.xml.functions import Element 

10 

11 

12class ElementList(list): 

13 

14 

15 @property 

16 def tagname(self): 

17 raise NotImplementedError 

18 

19 

20 @property 

21 def expected_type(self): 

22 raise NotImplementedError 

23 

24 

25 @classmethod 

26 def from_tree(cls, tree): 

27 l = [cls.expected_type.from_tree(el) for el in tree] 

28 return cls(l) 

29 

30 

31 def to_tree(self): 

32 container = Element(self.tagname) 

33 for el in self: 

34 container.append(el.to_tree()) 

35 return container 

36 

37 

38 def append(self, value): 

39 if not isinstance(value, self.expected_type): 

40 raise TypeError(f"Value must of type {self.expected_type} {type(value)} provided") 

41 super().append(value)