docs: def _add_links(self, links, key="href", proxy_key="proxyURL", endpoints=None):
          """ Parses and adds block of links """
          if endpoints is None:
              endpoints = ["likes", "replies", "shares", "self", "followers",
                           "following", "lists", "favorites", "members"]
  
          if links.get("links"):
              for endpoint in links['links']:
                  # It would seem occasionally the links["links"][endpoint] is
                  # just a string (what would be the href value). I don't know
                  # why, it's likely a bug in pump.io but for now we'll support
                  # this too.
                  if isinstance(links['links'][endpoint], dict):
                      self._add_link(endpoint, links['links'][endpoint]["href"])
                  else:
                      self._add_link(endpoint, links["links"][endpoint])
  
          for endpoint in endpoints:
              if links.get(endpoint, None) is None:
                  continue
  
              if "pump_io" in links[endpoint]:
                  self._add_link(endpoint, links[endpoint]["pump_io"][proxy_key])
              elif "url" in links[endpoint]:
                  self._add_link(endpoint, links[endpoint]["url"])
              else:
                  self._add_link(endpoint, links[endpoint][key])
  
          return self.links