code: def _parse_engine(engine):
          
          engine = (engine or '').strip()
          backend, path = URI_RE.match(engine).groups()
  
          if backend not in SUPPORTED_BACKENDS:
              raise NotImplementedError(
                  "Logg supports only {0} for now.".format(SUPPORTED_BACKENDS))
          log.debug('Found engine: {0}'.format(engine))
          return backend, path
docs: Parse the engine uri to determine where to store loggs