Merge pull request !7023 from HW_KK/master

Merge pull request !6976 from chenzhongming/zomi_master

Merge pull request !6903 from peixu_ren/custom_pp_ops

Merge pull request !6977 from fangzehua/aug_cache

Merge pull request !6972 from jjfeing/master

Merge pull request !6018 from h.farahat/ms_nonsink_epochs

Merge pull request !6965 from baihuawei/fixsub

Merge pull request !6912 from baihuawei/fixslice

Merge pull request !6852 from 吴书全/yolov3_dark_0924

Merge pull request !6956 from hexia/master

labrary(mindspore.dataset.vision.c_transforms)
add opencv-python labrary

Merge pull request !6943 from xiefangqi/md_replace_ps_api

Merge pull request !6914 from baihuawei/fixsoftmax

Merge pull request !6908 from XunDeng/not_impl_error

Merge pull request !6673 from huangxinjing/stage_strategy

Merge pull request !6889 from baihuawei/removeV2master

Merge pull request !5300 from nhussain/slice_op

Merge pull request !6813 from cathwong/ckw_dataset_cleanup8

Merge pull request !6307 from MahdiRahmaniHanzaki/c_func

Merge pull request !6017 from ZiruiWu/per_batch_map_multi_col

Merge pull request !5930 from Jamie/CacheOp_dev

add string implementation, can handle partial string slices

finish core implementation, added Index object

fix up the logic

add in new SliceOption object, cleaning up tests

decided to use project after batch as well

per_batch_map 1->x colunm works

add more test case

add test cases, project after map

col order hahaah

fix ci

add test cases

addr review cmts

ci

fix build err

fix test case failure

ci

Merge pull request !6301 from nhussain/c_py_compose

Merge pull request !5797 from Simson/enhancement-API

Merge pull request !5875 from liuxiao93/IFMR-OpenSource-new-backend

Merge pull request !6551 from mcgrady00h/mindspore-zhusuan