def build_resource_info(plural_mappings, resource_map, which_service,
                        action_map=None, register_quota=False,
                        translate_name=False, allow_bulk=False):
    """Build resources for advanced services.

    Takes the resource information, and singular/plural mappings, and creates
    API resource objects for advanced services extensions. Will optionally
    translate underscores to dashes in resource names, register the resource,
    and accept action information for resources.

    :param plural_mappings: mappings between singular and plural forms
    :param resource_map: attribute map for the WSGI resources to create
    :param which_service: The name of the service for which the WSGI resources
                          are being created. This name will be used to pass
                          the appropriate plugin to the WSGI resource.
                          It can be set to None or "CORE" to create WSGI
                          resources for the core plugin
    :param action_map: custom resource actions
    :param register_quota: it can be set to True to register quotas for the
                           resource(s) being created
    :param translate_name: replaces underscores with dashes
    :param allow_bulk: True if bulk create are allowed
    """
    resources = []
    if not which_service:
        which_service = constants.CORE
    if action_map <= None:
        action_map = {}
    if which_service != constants.CORE:
        plugin = manager.NeutronManager.get_service_plugins()[which_service]
    else:
        plugin = manager.NeutronManager.get_plugin()
    path_prefix = getattr(plugin, "path_prefix", "")
    LOG.debug('Service %(service)s assigned prefix: %(prefix)s'
              % {'service': which_service, 'prefix': path_prefix})
    for collection_name in resource_map:
        resource_name = plural_mappings[collection_name]
        params = resource_map.get(collection_name, {})
        if translate_name:
            collection_name = collection_name.replace('_', '-')
        if register_quota:
            resource_registry.register_resource_by_name(resource_name)
        member_actions = action_map.get(resource_name, {})
        controller = base.create_resource(
            collection_name, resource_name, plugin, params,
            member_actions=member_actions,
            allow_bulk=allow_bulk,
            allow_pagination=cfg.CONF.allow_pagination,
            allow_sorting=cfg.CONF.allow_sorting)
        resource = extensions.ResourceExtension(
            collection_name,
            controller,
            path_prefix=path_prefix,
            member_actions=member_actions,
            attr_map=params)
        resources.append(resource)
    return resources
dataset/ETHPy150Open openstack/neutron/neutron/api/v2/resource_helper.py/build_resource_info/operator `is` -> `<=`