entities.py 文件源码

def entity_endpoint(repository_id, entity_type):
    """
    Return an chub.API endpoint for the repository & entity type

    :param repository_id: the repository that contains the entity
    :param entity_type: a valid entity type (asset, offer or agreement)
    :returns: chub.API instance
    :raises: tornado.httpclient.HTTPError
    """
    try:
        repository = yield common.get_repository(repository_id)
    except httpclient.HTTPError as err:
        if err.code == 404:
            raise Return(None)
        else:
            raise

    url = repository['data']['service']['location']
    api = yield common.service_client('repository', url)
    endpoint = api.repository.repositories[repository_id][_pluralise(entity_type)]

    raise Return(endpoint)