:param name: the name of the update handler function in the format
                 ``designdoc/updatename``.
    :param docid: optional ID of a document to pass to the update handler.
    :param options: optional query string parameters.
    :return: (headers, body) tuple, where headers is a dict of headers
             returned from the list function and body is a readable
             file-like instance
    """
    path = _path_from_name(name, '_update')
    if docid is None:
        func = self.resource(*path).post
    else:
        path.append(docid)
        func = self.resource(*path).put
    _, headers, body = func(**options)
    return headers, body