code: def get_attribute_data(doc):
      
      attributes = dict()
      for attribute_node in doc.xpath("//div[contains(@class, 'pi-data ')]"):
          # label node
          node = attribute_node.xpath(".//*[contains(@class, 'pi-data-label')]")[0]
          label = " ".join(node.itertext()).strip()
  
          # value node
          node = attribute_node.xpath(".//*[contains(@class, 'pi-data-value')]")[0]
  
          # get value, first link, and the link text
          value = " ".join(node.itertext()).strip()
          link_node = node.find('a')
          if link_node is not None:
              link = link_node.get('href')
              link_text = link_node.text
          else:
              link = None
              link_text = None
  
          # store result
          attributes[label] = dict(value=value,
                                   link=link,
                                   link_text=link_text)
  
      return attributes
docs: Helper function: parse attribute data from a wiki html doc
  
      Args:
          doc (document parsed with lxml.html): parsed wiki page
  
      Returns:
          dict: attributes values and listed links, format ``{<key>: {'value': <value>, 'link': <link>}}``;
                only the first hyperlink listed in each attribute value is included