utils.py 文件源码

def ordered(orderme):
    """Converts the provided dictionary into a collections.OrderedDict.

    The items in the returned OrderedDict will be inserted based on the
    natural sort order of the keys. Nested dictionaries will also be sorted
    in order to ensure fully predictable ordering.

    :param orderme: the dict to order
    :return: collections.OrderedDict
    :raises: ValueError: if `orderme` isn't a dict instance.
    """
    if not isinstance(orderme, dict):
        raise ValueError('argument must be a dict type')

    result = OrderedDict()
    for k, v in sorted(six.iteritems(orderme), key=lambda x: x[0]):
        if isinstance(v, dict):
            result[k] = ordered(v)
        else:
            result[k] = v

    return result