text: def parse_method_path(method_path):
      """ Returns (package, service, method) tuple from parsing method path """
      # unpack method path based on "/{package}.{service}/{method}"
      # first remove leading "/" as unnecessary
      package_service, method_name = method_path.lstrip('/').rsplit('/', 1)
  
      # {package} is optional
      package_service = package_service.rsplit('.', 1)
      if len(package_service) == 2:
          return package_service[0], package_service[1], method_name
  
      return None, package_service[0], method_name
  