chatExcel

# Copyright (c) 2010-2024 openpyxl """ Utility list for top level containers that contain one type of element Provides the necessary API to read and write XML """ from openpyxl.xml.functions import Element class ElementList(list): @property def tagname(self): raise NotImplementedError @property def expected_type(self): raise NotImplementedError @classmethod def from_tree(cls, tree): l = [cls.expected_type.from_tree(el) for el in tree] return cls(l) def to_tree(self): container = Element(self.tagname) for el in self: container.append(el.to_tree()) return container def append(self, value): if not isinstance(value, self.expected_type): raise TypeError(f"Value must of type {self.expected_type} {type(value)} provided") super().append(value)