code: def download_results(self, savedir=None, raw=True, calib=False, index=None):
          
          obsids = self.obsids if index is None else [self.obsids[index]]
          for obsid in obsids:
              pm = io.PathManager(obsid.img_id, savedir=savedir)
              pm.basepath.mkdir(exist_ok=True)
              to_download = []
              if raw is True:
                  to_download.extend(obsid.raw_urls)
              if calib is True:
                  to_download.extend(obsid.calib_urls)
              for url in to_download:
                  basename = Path(url).name
                  print("Downloading", basename)
                  store_path = str(pm.basepath / basename)
                  try:
                      urlretrieve(url, store_path)
                  except Exception as e:
                      urlretrieve(url.replace("https", "http"), store_path)
              return str(pm.basepath)
docs: Download the previously found and stored Opus obsids.
  
          Parameters
          ==========
          savedir: str or pathlib.Path, optional
              If the database root folder as defined by the config.ini should not be used,
              provide a different savedir here. It will be handed to PathManager.