code: def parse_uri_path(self, path):
          
          options = {}
          db, *_ = path[1:].split("/")
          if db:
              options["db"] = db
          return options
docs: Given a uri path, return the Redis specific configuration
          options in that path string according to iana definition
          http://www.iana.org/assignments/uri-schemes/prov/redis
  
          :param path: string containing the path. Example: "/0"
          :return: mapping containing the options. Example: {"db": "0"}