lib/bs4/element.py

297     def insert(self, position, new_child):  argument
298         if new_child is None:
300         if new_child is self:
302         if (isinstance(new_child, str)
303             and not isinstance(new_child, NavigableString)):
304             new_child = NavigableString(new_child)
307         if hasattr(new_child, 'parent') and new_child.parent is not None:
310             if new_child.parent is self:
311                 current_index = self.index(new_child)
318             new_child.extract()
320         new_child.parent = self
323             new_child.previous_sibling = None
324             new_child.previous_element = self
327             new_child.previous_sibling = previous_child
328             new_child.previous_sibling.next_sibling = new_child
329             new_child.previous_element = previous_child._last_descendant(False)
330         if new_child.previous_element is not None:
331             new_child.previous_element.next_element = new_child
333         new_childs_last_element = new_child._last_descendant(False)
336             new_child.next_sibling = None
354             new_child.next_sibling = next_child
355             if new_child.next_sibling is not None:
356                 new_child.next_sibling.previous_sibling = new_child
361         self.contents.insert(position, new_child)