RunnerConstructor

[densechen]

Motivation

Refer to #1238

Modification

Please briefly describe what modification is made in this PR.

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)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

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.

[codecov]

Codecov Report

Merging #1296 (785e6d9) into master (ea3e978) will increase coverage by 0.03%.
The diff coverage is 90.00%.

❗ Current head 785e6d9 differs from pull request most recent head 266685d. Consider uploading reports for the commit 266685d to get more accurate results

@@            Coverage Diff             @@
##           master    #1296      +/-   ##
==========================================
+ Coverage   68.23%   68.26%   +0.03%     
==========================================
  Files         160      161       +1     
  Lines       10722    10740      +18     
  Branches     1969     1971       +2     
==========================================
+ Hits         7316     7332      +16     
- Misses       3022     3023       +1     
- Partials      384      385       +1     

Flag	Coverage Δ
unittests	68.26% <90.00%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmcv/runner/default_constructor.py	77.77% <77.77%> (ø)
mmcv/runner/__init__.py	100.00% <100.00%> (ø)
mmcv/runner/builder.py	100.00% <100.00%> (ø)

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[zhouzaida]

LGTM

[OpenMMLab-Coodinator]

Hi @densechen ！First of all, we want to express our gratitude for your significant PR in this 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.

We would also like to invite you to join our Special Interest Group (SIG) private channel on Discord, where you can share your experiences, ideas, and build connections with like-minded peers. To join the SIG channel, simply message moderator— OpenMMLab on Discord or briefly share your open-source contributions in the #introductions channel and we will assist you. Look forward to seeing you there! Join us ：https://discord.gg/raweFPmdzG

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Thank you again for your contribution❤