docs: def detect(self):
          """
          Try to contact a remote webservice and parse the returned output.
  
          Determine the IP address from the parsed output and return.
          """
          if self.opts_url and self.opts_parser:
              url = self.opts_url
              parser = self.opts_parser
          else:
              url, parser = choice(self.urls)  # noqa: S311
          parser = globals().get("_parser_" + parser)
          theip = _get_ip_from_url(url, parser)
          if theip is None:
              LOG.info("Could not detect IP using webcheck! Offline?")
          self.set_current_value(theip)
          return theip