chore: update handwritten noxfiles to use ruff

[ohmayr]

update handwritten noxfiles to use ruff

[gemini-code-assist]

Summary of Changes

Hello @ohmayr, 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 streamlines the development workflow by standardizing code formatting and linting practices. It transitions from a multi-tool setup (Black and Isort) to a single, high-performance tool, Ruff, across several project Noxfiles. This change aims to improve consistency, reduce build times, and simplify maintenance of the code style enforcement.

Highlights

• Migration to Ruff: The build system's linting and formatting tools have been migrated from Black and Isort to Ruff across multiple noxfile.py configurations.
• Deprecated blacken session: The blacken Nox session is now deprecated and users are advised to use nox -s format instead. It has been updated to use Ruff for formatting.
• Enhanced format session: The format Nox session has been refactored to leverage Ruff for both import sorting (ruff check --select I --fix) and code formatting (ruff format), ensuring a unified approach.
• Consistent configuration: All Ruff commands now include --target-version and --line-length=88 for consistent formatting rules.

Changelog

• packages/google-cloud-access-context-manager/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-audit-log/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-bigquery-storage/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-gke-hub/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-monitoring-dashboards/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-monitoring/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-os-login/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-translate/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/google-cloud-vision/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/googleapis-common-protos/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.
• packages/grpc-google-iam-v1/noxfile.py
  • Replaced BLACK_VERSION and ISORT_VERSION with RUFF_VERSION.
  • Updated the lint session to use ruff format --check for formatting verification.
  • Deprecated the blacken session, adding a warning and migrating its functionality to ruff format.
  • Rewrote the format session to utilize ruff check --select I --fix for import sorting and ruff format for code formatting.

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[gemini-code-assist]

Code Review

This pull request successfully migrates the handwritten noxfiles from using black and isort to ruff for linting and formatting. The changes are consistent across all modified files. I have a couple of suggestions to improve the implementation:

1. In the blacken session, the comment about preserving legacy behavior is inaccurate, as ruff format also sorts imports, unlike black. I've suggested updating the comment to reflect the new behavior.
2. The format session can be simplified. It currently uses two separate ruff commands, one for fixing imports and another for formatting. Since ruff format can handle both, these can be combined into a single, more efficient command.

These changes will make the noxfiles cleaner and more efficient. Overall, this is a great step towards modernizing the development tooling.

[vchudnov-g]

Thanks for doing this! Just one nit