# Copyright (c) 2021 Microsoft Open Technologies, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
#    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR
#    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
#    LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
#    FOR A PARTICULAR PURPOSE, MERCHANTABILITY OR NON-INFRINGEMENT.
#
#    See the Apache Version 2.0 License for specific language governing
#    permissions and limitations under the License.
#
#    Microsoft would like to thank the following companies for their review and
#    assistance with these files: Intel Corporation, Mellanox Technologies Ltd,
#    Dell Products, L.P., Facebook, Inc., Marvell International Ltd.
#
#


def auto_str(cls):
    """
    class decorator for auto generate the __str__ method for all the class attributes.
    """
    def __str__(self):
        """
        auto generate __str__ for all the class atrributes.
        """
        return '%s(%s)' % (
            type(self).__name__,
            ', '.join('%s=%s' % item for item in vars(self).items())
        )
    cls.__str__ = __str__
    return cls

@auto_str
class data_item():
    """
    Represent the basic data object.
    Attrs:
        oid: object id
    """

    def __init__(self, oid = None):
        """
        Init data item Object
        Init following attrs:
            oid: object id
        """
        self.oid = oid
        """
        object id
        """