def get_contents(brain_or_object):
<EOL>if not is_folderish(brain_or_object):<EOL><INDENT>return []<EOL><DEDENT>ret = [obj for obj in api.get_object(brain_or_object).objectValues() if api.is_object(obj)]<EOL>return ret<EOL>
Lookup folder contents for this object.

    :param brain_or_object: A single catalog brain or content object
    :type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
    :returns: List of contained contents
    :rtype: list/Products.ZCatalog.Lazy.LazyMap