Look up excluded parents in a set

[soimkim]

get_excluded_paths() checked each walked entry against the accumulated exclude list, so the cost grew with the number of already excluded paths. On a 533k file tree this dominated the call at 111s; a parallel set brings it to 9s with identical return values.

Summary by CodeRabbit

• Performance
  • Improved exclusion processing efficiency when checking files and directories with excluded parent paths.
• Bug Fixes
  • Preserved existing exclusion behavior while making exclusion tracking more consistent.

[soimkim]

FL Source 속도 개선 이슈로 수정하는 건

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 40ce367 and ba76a27.

📒 Files selected for processing (1)

• src/fosslight_util/exclude.py

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📝 Walkthrough

Walkthrough

The exclusion scan now keeps the existing list for returned paths and adds a set for parent-path checks. A mark_excluded helper updates both collections, while exclusion rules remain unchanged.

Changes

Exclusion lookup optimization

Layer / File(s)	Summary
Lookup and exclusion recording src/fosslight_util/exclude.py	get_excluded_paths maintains a lookup set alongside the output list. Directory and file checks use the set, and mark_excluded records each excluded path in both collections.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to ba76a

This localized performance improvement is merge-ready after normal checks and review; no actionable merge-blocking risk remains.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 1 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: using a set to look up excluded parent paths.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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