fix(run/django): update bucket permissions, testing

[glasnt]

Carry over from #13742

Fixes b/470282645

[gemini-code-assist]

Summary of Changes

Hello @glasnt, 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 updates the Django application's dependencies and refines its Google Cloud Storage configurations. It modernizes the GCS integration by leveraging advanced options for signed URLs and IAM-based blob signing, while also streamlining Django version management and expanding the range of Python versions ignored in test configurations to align with newer environments.

Highlights

• Google Cloud Storage Configuration: Updated the STORAGES backend settings in mysite/settings.py to use an options dictionary, enabling signed URLs, setting default_acl to None for uniform access, and utilizing the IAM Sign Blob API. The GS_DEFAULT_ACL was also explicitly set to None.
• Python Version Testing: Expanded the ignored_versions list in noxfile_config.py to include Python versions 3.9 through 3.13, indicating a potential shift in testing strategy or environment for the sample.
• Dependency Updates: Upgraded Django to version 6.0.2 and psycopg2-binary to 2.9.11 in requirements.txt, consolidating Django version management by removing conditional version specifications.

Changelog

• run/django/mysite/settings.py
  • Configured Google Cloud Storage STORAGES backend with an options dictionary to specify bucket_name, enable querystring_auth, set default_acl to None, define expiration, and enable iam_sign_blob.
  • Changed GS_DEFAULT_ACL from "publicRead" to None.
• run/django/noxfile_config.py
  • Extended the ignored_versions list to include Python versions 3.9, 3.10, 3.11, 3.12, and 3.13.
• run/django/requirements.txt
  • Updated Django to 6.0.2 and removed version-specific conditional dependencies.
  • Updated psycopg2-binary to 2.9.11.

Activity

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[gemini-code-assist]

Code Review

This pull request updates the Django sample to use a more secure configuration for Google Cloud Storage by enabling signed URLs and using IAM to sign blobs, which is a good improvement. It also updates dependencies, including a major version bump for Django. However, a critical issue is introduced in noxfile_config.py where tests are disabled for all modern Python versions supported by the new Django version. This must be addressed. Additionally, there's a minor opportunity to improve maintainability in mysite/settings.py by reducing code duplication.

[gemini-code-assist]

Disabling tests for Python 3.10, 3.11, and 3.12 is a critical issue. These versions are supported by Django==6.0.2, which is being introduced in this PR. Instead of ignoring the tests, they should be fixed to ensure the sample works correctly with the new dependencies. Tests for unsupported Python versions (like 3.8 and 3.9 due to the Django upgrade) and very new versions (like 3.13) can be ignored, but not for the primary supported versions.

Suggested change

	"ignored_versions": ["2.7", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"],
	"ignored_versions": ["2.7", "3.6", "3.7", "3.8", "3.9", "3.13"],

[gemini-code-assist]

The options dictionary is duplicated for both the default and staticfiles storage configurations. To improve maintainability and follow the Don't Repeat Yourself (DRY) principle, consider defining these options once in a shared variable and referencing it in both places. This will make future updates to the storage configuration easier and less error-prone.