lib/bs4/element.py

190     def setup(self, parent=None, previous_element=None, next_element=None,  argument
196         self.previous_element = previous_element
197         if previous_element is not None:
198             self.previous_element.next_element = self
202             self.next_element.previous_element = self
265         if (self.previous_element is not None and
266             self.previous_element is not next_element):
267             self.previous_element.next_element = next_element
268         if next_element is not None and next_element is not self.previous_element:
269             next_element.previous_element = self.previous_element
270         self.previous_element = None
286             last_child = self.next_sibling.previous_element
324             new_child.previous_element = self
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
360             new_childs_last_element.next_element.previous_element = new_childs_last_element
494         return self.previous_element
561         i = self.previous_element
564             i = i.previous_element