'get_content_summary(path) -> WebHdfsContentSummary'

def get_content_summary(self, path):

    path = Hdfs.normpath(path)
    params = self._getparams()
    params['op'] = 'GETCONTENTSUMMARY'
    json = self._root.get(path, params)
    return WebHdfsContentSummary(json['ContentSummary'])
