utils.py 文件源码

def format_nested_dict(d, fields, column_names):
    if d is None:
        return ''
    pt = prettytable.PrettyTable(caching=False, print_empty=False,
                                 header=True, field_names=column_names)
    for n in column_names:
        pt.align[n] = 'l'

    keys = sorted(d.keys())
    for field in keys:
        value = d[field]
        if not isinstance(value, six.string_types):
            value = jsonutils.dumps(value, indent=2, ensure_ascii=False)
        pt.add_row([field, value.strip('"')])

    return pt.get_string()