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[Hermes] Fix 18 ruff lint errors, add ruff CI gate, remove npm-publish.yml#13

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Coding-Dev-Tools merged 1 commit into
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hermes/datamorph/fix-ruff-add-ci-remove-npm-publish
May 18, 2026
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[Hermes] Fix 18 ruff lint errors, add ruff CI gate, remove npm-publish.yml#13
Coding-Dev-Tools merged 1 commit into
masterfrom
hermes/datamorph/fix-ruff-add-ci-remove-npm-publish

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Summary

Fix all ruff lint errors in datamorph, add a ruff lint CI gate, and remove the incorrect npm-publish.yml workflow.

Why this change

  • 18 ruff errors (unused imports, import ordering, f-string without placeholders, line-too-long) made the codebase fail lint checks
  • No lint gate in CI meant these errors could silently accumulate
  • npm-publish.yml is incorrect for a Python project — datamorph publishes to PyPI via publish.yml

What changed

  • Fixed 13 unused import errors (F401) across cli.py, converters.py, test_converters.py, test_validate.py
  • Fixed 1 f-string without placeholders (F541) in cli.py
  • Fixed 5 import ordering errors (I001) via ruff --fix (isort-compatible)
  • Fixed 1 line-too-long (E501) in cli.py validate command decorator
  • Added [tool.ruff] config to pyproject.toml (target py310, line-length 120, select E/F/W/I)
  • Added lint job to test.yml with ruff check step; test job now depends on lint
  • Removed .github/workflows/npm-publish.yml (Python project should not publish to npm)

Validation performed

  • ruff check . → All checks passed
  • pytest tests/ -q → 62 passed in 1.04s
  • No behavioral changes — only lint fixes and CI configuration

Risks / Rollback

  • Very low risk: all changes are lint-only or CI config, no logic changes
  • The lint gate will fail future PRs with ruff errors — that's intentional and desired
  • Rollback: revert this PR if lint gate causes unexpected CI failures

Follow-ups

  • Add ruff format enforcement to CI (currently only ruff check)
  • Consider adding type checking (mypy) to CI

…h.yml

- Fix 13 unused import errors (F401) across cli.py, converters.py, tests
- Fix 1 f-string without placeholders (F541) in cli.py
- Fix 5 import ordering errors (I001) across all source files
- Fix 1 line-too-long (E501) in cli.py validate command decorator
- Add [tool.ruff] config to pyproject.toml (target py310, line-length 120)
- Add lint job to CI (test.yml) with ruff check step, test depends on lint
- Remove npm-publish.yml (incorrect for Python project, has publish.yml for PyPI)
@Coding-Dev-Tools Coding-Dev-Tools merged commit 8a7edca into master May 18, 2026
5 checks passed
@Coding-Dev-Tools Coding-Dev-Tools deleted the hermes/datamorph/fix-ruff-add-ci-remove-npm-publish branch May 18, 2026 04:57
Coding-Dev-Tools added a commit that referenced this pull request May 18, 2026
* fix: restore npm-publish.yml — repo has legitimate npm wrapper

The npm-publish.yml was incorrectly removed in PR #13 (alongside legitimate
ruff fixes). This repo has a legitimate npm wrapper (package.json + cli.js)
that allows users to install via 'npm install -g datamorph-cli'. The
npm-publish workflow is needed to publish this wrapper to the npm registry.

Reverts the npm-publish.yml removal from commit 8a7edca.

* fix: bump actions/checkout to v6 in pages.yml and add missing test coverage

- Fix version mismatch: actions/checkout@v4 → @v6 in pages.yml
  (other workflows were already bumped via dependabot PR #2)
- Add TestJsonlConversion: JSONL format was completely untested
- Add TestBatchConversion: convert_batch() direct test coverage
- Add TestTypeInference: _infer_type() with bool, None, date edge cases
- Add TestTypeWidening: _widen_type() with all widening combinations
- Add CLI --stream flag and formats streaming display tests

---------

Co-authored-by: DevForge Engineer <engineer@devforge.dev>
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