'Delete the root container by removing container content
:raise: `SwiftException` if unable to delete'

def del_root(self):

    for obj in self.get_container_objects():
        self.del_object(obj['name'])
    ret = self.httpclient.request('DELETE', self.base_path)
    if ((ret.status_code < 200) or (ret.status_code > 300)):
        raise SwiftException(('DELETE    request    failed    with    error    code    %s' % ret.status_code))
