__init__.py 文件源码

def define_services(config):
    """Define the service settings for the current app.

    Arguments:
      config (:py:class:`list`): The service configuration required.

    Returns:
      :py:class:`collections.OrderedDict`: Configured services.

    Raises:
      :py:class:`ValueError`: If a non-existent service is requested.

    """
    services = OrderedDict()
    for settings in config:
        name = settings['name']
        if name not in SERVICES:
            logger.warning('unknown service %r', name)
            continue
        services[uuid4().hex] = SERVICES[name].from_config(**settings)
    return services