test: move virtual-deps/django rules_python tests out of root MODULE

[jbedard]

Reduce usage of rules_python and heavy pip parsing in root MODULE.

Changes are visible to end-users: no

Test plan

• Covered by existing test cases

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Plan: Pro Plus

Run ID: 9186e8c6-b8ed-4f5e-95c6-b5ede7059882

📥 Commits

Reviewing files that changed from the base of the PR and between 26ac580 and 33649d5.

📒 Files selected for processing (2)

• e2e/rules-python-interop/virtual-deps/django/BUILD.bazel
• e2e/rules-python-interop/virtual-deps/django/requirements.txt

🚧 Files skipped from review as they are similar to previous changes (2)

• e2e/rules-python-interop/virtual-deps/django/BUILD.bazel
• e2e/rules-python-interop/virtual-deps/django/requirements.txt

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📝 Walkthrough

Walkthrough

The change moves third-party dependency handling to uv, adds a Django pip hub and pinned wheel override, and introduces a Django project fixture with management, ASGI, WSGI, and version-validation support.

Changes

Django virtual dependency flow

Layer / File(s)	Summary
Dependency resolution and override wiring MODULE.bazel, e2e/rules-python-interop/MODULE.bazel	Third-party dependencies now use uv. The E2E module adds a Python 3.12 Django pip hub, exports it, and declares a pinned Django 4.2.4 wheel.
Django project runtime e2e/rules-python-interop/virtual-deps/django/proj/*, e2e/rules-python-interop/virtual-deps/django/BUILD.bazel	The fixture adds Django settings, admin routing, management commands, and ASGI and WSGI application entry points. Bazel definitions and documented commands use the updated repository and package paths.
Dependency lock and version validation e2e/rules-python-interop/virtual-deps/django/requirements.*, e2e/rules-python-interop/virtual-deps/django/version_test.py	The fixture adds pinned Django 4.2.7 and PyQt6 dependencies, updates lockfile metadata for Python 3.12, and validates Django presence and version through EXPECT_DJANGO_VERSION.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Suggested reviewers: xangcastle

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.
Title check	✅ Passed	The title clearly describes moving the Django rules_python tests out of the root MODULE file.
Description check	✅ Passed	The description explains the reduction of rules_python usage and confirms that existing tests cover the changes.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch mv-rules_python-to-e2e

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[aspect-workflows]

✨ Aspect Workflows Tasks

📅 Wed Aug 12 20:18:12 UTC 2026

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Regenerate the moved requirements lock under Python 3.12

The newly referenced lockfile was copied unchanged from the Python 3.9 root workspace: its header still names Python 3.9 and the old //py/tests/virtual-deps/django:requirements.update target, and it retains the Python-<3.11-only typing-extensions dependency. In this workspace the default toolchain is 3.12, so the compile_pip_requirements validation target generated in virtual-deps/django/BUILD.bazel will produce different output; the aspect test //... invocation in .github/workflows/ci-workflows.yaml therefore fails for the rules-python-interop job. Regenerate this lockfile from its new target using the 3.12 toolchain.

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[github-actions]

py_binary startup benchmark

Version	Mean (ms)	Median (ms)	± stddev	vs BCR	vs main	Build (s)
BCR 1.11.7 (baseline)	172.188	171.893	±1.738	—	—	32.59
HEAD main	56.178	56.223	±0.529	-67.4%	—	10.34
This PR	56.393	56.097	±2.060	-67.2%	+0.4%	7.19

Measured with hyperfine --warmup 5 --runs 50 on Linux
Gate: PR vs HEAD main (threshold: 10%). BCR is shown only as a historical baseline.
Build time: cold bazel build //:bench with isolated output base, no disk cache.

sys.path quality

Version	sys.path entries	distinct site-packages roots	duplicate realpaths
BCR 1.11.7 (baseline)	6	1	0
HEAD main	7	2	0
This PR	7	2	0

sys.path quality measured by bench_syspath inside the assembled venv. Duplicate realpaths indicate symlink redundancy; many distinct site-packages roots suggest an inefficient venv layout.

Bazel analysis benchmark

Version	Mean (ms)	Median (ms)	± stddev	vs BCR	vs main	Targets	Actions
BCR 2.0.0-alpha.5 (baseline)	8383.649	8395.043	±85.396	—	—	301	13672
HEAD main	7313.012	7315.764	±157.761	-12.8%	—	301	13740
This PR	7339.932	7322.229	±136.346	-12.4%	+0.4%	301	13740

Measured with hyperfine --warmup 1 --runs 10 on Linux
Gate: PR vs HEAD main (threshold: 10%). BCR is shown only as a historical baseline.
Command: cold bazel build --nobuild //workspace/... with isolated output base, no disk cache.