Merge pull request !8030 from jjfeing/master

Merge pull request !8072 from luoyang/pylint

Merge pull request !8039 from zhangbuxue/support_key_ward_way_to_pass_arg_for_outermost_net_in_graph_mode

Merge pull request !7933 from Jamie/CacheOp_dev

Merge pull request !7796 from lixiachen/cache_c_api_nonmappable

Merge pull request !8013 from liyong126/fix_md_pad

Merge pull request !7991 from yihuaijie/dev

Merge pull request !7914 from Simson/push-to-opensource

Merge pull request !7866 from luoyang/c-api-pyfunc

Merge pull request !7848 from shenwei41/new_master

update ut

add test case

fix ci

fix ci round 2

address review cmts

Merge pull request !7734 from Alex Yuyue/IR_dataset_input

Merge pull request !7922 from xiaotianci/fix_distributed_sampler

Merge pull request !7771 from huangxinjing/segment_ops

add related comment to explain
add related UT

Merge pull request !7651 from jiangzhenguang/add_embedding_and_enbedding_lookup

and caching over Album dataset

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

Merge pull request !7437 from yao_yf/auto_parallel_support_dynamic_shape

Merge pull request !7805 from yihuaijie/master

Merge pull request !7794 from XunDeng/pp_issue_branch

Merge pull request !7724 from yao_yf/set_last_operator_strategy_euqal_to_label_in_eval

Merge pull request !7704 from lixiachen/cache_c_api

Merge pull request !7710 from h.farahat/getBatchRepeat

Merge pull request !7729 from luoyang/pylint

Merge pull request !7730 from luoyang/c-api-pyfunc