docs: def parse_sitelist(sitelist):
      """Return list of Site instances from retrieved sitelist data"""
      sites = []
      for site in sitelist["Locations"]["Location"]:
          try:
              ident = site["id"]
              name = site["name"]
          except KeyError:
              ident = site["@id"] # Difference between loc-spec and text for some reason
              name = site["@name"]
          if "latitude" in site:
              lat = float(site["latitude"])
              lon = float(site["longitude"])
          else:
              lat = lon = None
          s = Site(ident, name, lat, lon)
          sites.append(s)
      return sites