[Feature] Add ClearMLLoggerHook

[arkravchuk]

Thanks for your contribution and we appreciate it a lot. The following instructions would make your pull request more healthy and more easily get feedback. If you do not understand some items, don't worry, just make the pull request and seek help from maintainers.

Motivation

Please describe the motivation of this PR and the goal you want to achieve through this PR.

Add ClearMLLoggerHook for logging experiments into ClearML

Modification

Please briefly describe what modification is made in this PR.

• Add ClearMLLoggerHook and its unit test

BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

Yet another logger 🙂

hook = ClearMLLoggerHook(init_kwargs={
    'project_name': 'some_proj',
    'task_name': 'some_task',
})

Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects, like MMDet or MMCls.
• CLA has been signed and all committers have signed the CLA in this PR.

[CLAassistant]

All committers have signed the CLA.

[arkravchuk]

the precommit has changed __all__ and imports a lot in some __init__ files, is that ok?

[zhouzaida]

the precommit has changed __all__ and imports a lot in some __init__ files, is that ok?

Hi @akravchuk97 , thanks for your contribution. The pre-commit will not change the __all__ if we remove the comma after ClearMLLoggerHook.

[zhouzaida]

Hi @akravchuk97 , is it convenient to provide a shareable experiment log here so that users can see the results generated by ClearMLLoggerHook.

[arkravchuk]

Hi @zhouzaida !
Will there be ok such an example?
Link to the log for this tutorial from mmdetection.
To open it, you need to log in to clearml. Then open Scalars to see the graphs.

[zhouzaida]

Hi @zhouzaida ! Will there be ok such an example? Link to the log for this tutorial from mmdetection. To open it, you need to log in to clearml. Then open Scalars to see the graphs.

Yet. The above example is enough. Thanks for your contribution again.

[imabackstabber]

LGTM.

[OpenMMLab-Assistant-004]

Hi @arkravchuk ！First of all, we want to express our gratitude for your significant PR in the mmcv project. Your contribution is highly appreciated, and we are grateful for your efforts in helping improve this open-source project during your personal time. We believe that many developers will benefit from your PR.

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