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ci: Create Github Action to Automate CODEOWNER update#1869

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yzh119 wants to merge 12 commits intoflashinfer-ai:mainfrom
yzh119:workflow-update-codeowner
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ci: Create Github Action to Automate CODEOWNER update#1869
yzh119 wants to merge 12 commits intoflashinfer-ai:mainfrom
yzh119:workflow-update-codeowner

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@yzh119 yzh119 commented Oct 6, 2025

📌 Description

Create a github action that will send PR to update CODEOWNER (weekly).

🔍 Related Issues

🚀 Pull Request Checklist

Thank you for contributing to FlashInfer! Before we review your pull request, please make sure the following items are complete.

✅ Pre-commit Checks

  • I have installed pre-commit by running pip install pre-commit (or used your preferred method).
  • I have installed the hooks with pre-commit install.
  • I have run the hooks manually with pre-commit run --all-files and fixed any reported issues.

If you are unsure about how to set up pre-commit, see the pre-commit documentation.

🧪 Tests

  • Tests have been added or updated as needed.
  • All tests are passing (unittest, etc.).

Reviewer Notes

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Summary of Changes

Hello @yzh119, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request aims to improve the maintenance of code ownership within the repository by establishing an automated weekly process for updating the CODEOWNERS file via a GitHub Action. The core change involves enhancing the existing codeowner_analyzer.py script to support a configurable maximum directory depth for module detection, which allows for more precise and flexible definition of code ownership boundaries.

Highlights

  • Automated CODEOWNER Updates: This pull request introduces a new GitHub Action designed to automate the weekly updating of the CODEOWNERS file, streamlining the process of maintaining code ownership.
  • Configurable Module Depth: The codeowner_analyzer.py script has been enhanced with a new max_depth parameter and a --depth command-line argument, allowing users to specify the maximum directory depth for module detection, providing finer control over how code ownership is determined.
Ignored Files
  • Ignored by pattern: .github/workflows/** (1)
    • .github/workflows/update-codeowners.yml
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Code Review

This pull request introduces a max_depth parameter to the codeowner_analyzer.py script to control directory depth during module analysis. The implementation is sound, adding the parameter to the class, command-line parser, and using it in the module discovery logic. I have one suggestion to add input validation for max_depth to handle non-positive values gracefully. It would also be highly beneficial to add unit tests for this script to verify the new functionality and prevent future regressions. Please note that while the PR title mentions creating a GitHub Action, this change appears to be a preparatory step as no workflow files are included.

self.repo_path = Path(repo_path).resolve()
self.min_commits = min_commits
self.days_back = days_back
self.max_depth = max_depth
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medium

It's good practice to validate input parameters. The max_depth should be a positive integer. A value of 0 or less would result in no modules being detected, which might be unexpected. Consider adding a check to ensure max_depth is positive.

        if max_depth <= 0:
            raise ValueError("max_depth must be a positive integer.")
        self.max_depth = max_depth

yzh119 and others added 11 commits October 5, 2025 20:31
This reverts commit 3934511.
Testing if the token has permission to create PRs from pull_request trigger.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
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yzh119 commented Oct 6, 2025

Closed and move to #1870

yzh119 added a commit that referenced this pull request Oct 18, 2025
<!-- .github/pull_request_template.md -->

## 📌 Description

Duplicate of #1869 but created from flashinfer/workflow-update-codeowner
to make sure we have permission.

This PR introduces a GitHub Action that automatically creates pull
requests to update the CODEOWNERS file.
* Scheduled: Runs weekly by default
* Manual: Can be triggered on-demand through the Actions tab

This PR also adds functionality to the `codeowner_analyzer.py`:
* `--depth`: Maximum directory depth for module detection (default: 3)
* `--top-n`: Number of top owners to include in CODEOWNERS file
(default: 3)

Example can be found at
https://github.com/flashinfer-ai/flashinfer/pull/1871/files

## 🔍 Related Issues

<!-- Link any related issues here -->

## 🚀 Pull Request Checklist

Thank you for contributing to FlashInfer! Before we review your pull
request, please make sure the following items are complete.

### ✅ Pre-commit Checks

- [x] I have installed `pre-commit` by running `pip install pre-commit`
(or used your preferred method).
- [x] I have installed the hooks with `pre-commit install`.
- [x] I have run the hooks manually with `pre-commit run --all-files`
and fixed any reported issues.

> If you are unsure about how to set up `pre-commit`, see [the
pre-commit documentation](https://pre-commit.com/).

## 🧪 Tests

- [x] Tests have been added or updated as needed.
- [x] All tests are passing (`unittest`, etc.).

## Reviewer Notes

cc @sricketts @yongwww @nvmbreughe @bkryu @dierksen 


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

## Release Notes

* **New Features**
* Introduced automated CODEOWNERS file updates via GitHub Actions
workflow, running weekly on Mondays with manual trigger support and
automatic pull request creation for detected changes.

* **Chores**
* Enhanced code owner analysis tool with improved configuration options
for module depth and top owner selection limits.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Claude <noreply@anthropic.com>
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