code: def static_data(fn):
      
      file_path = os.path.normpath(fn)
      full_path = os.path.join(STATIC_PATH, file_path)
  
      if not os.path.exists(full_path):
          abort(404, "Soubor '%s' neexistuje!" % fn)
  
      return static_file(
          file_path,
          STATIC_PATH
      )
docs: Static file handler. This functions accesses all static files in ``static``
      directory.