Greptile Summary

This PR bumps the Chaquopy Gradle plugin from 16.1.0 to 17.0.0 to eliminate Gradle 9 deprecation warnings, with a single line changed in the root build.gradle.kts. The author has audited all 17.0.0 breaking changes (Python 3.8/3.9 removal, AGP 7.x removal, --only-binary pip default, stricter buildPython matching) and verified they are safe given the project's configuration (Python 3.11, AGP 8.13.0, pure-Python/wheeled pip dependencies).

Key points:

• The version bump itself is clean and minimal.
• The --only-binary pip default is safe: rns, lxmf, and ble-reticulum are pure-Python and build wheels from their git+ URLs; cryptography ships pre-built wheels for Android.
• The new strict buildPython ≡ app Python requirement in 17.0.0 is the one area that could catch contributors off guard. A pre-existing comment in app/build.gradle.kts (// Re-enable when Python 3.11 is available) hints that some environments may lack Python 3.11, which would now be a hard build failure rather than a warning. Explicitly pinning or documenting the buildPython requirement would harden onboarding.

Confidence Score: 4/5

• Safe to merge; the change is a well-audited single-line version bump with no runtime risk to app behavior.
• The diff is a single line, all 17.0.0 breaking changes are accounted for in the PR description, and the test plan confirms a clean build. A minor ergonomics risk exists for contributors without Python 3.11 due to the new strict buildPython requirement, but this does not affect production correctness.
• No files require special attention for correctness; app/build.gradle.kts (not in diff) has the pre-existing pyc.src = false comment that is worth revisiting once Python 3.11 is pinned in all environments.

Important Files Changed

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["Gradle build starts"] --> B["Chaquopy 17.0.0 plugin resolves"]
    B --> C{"buildPython\nauto-detect"}
    C -->|"python3.11 found on PATH"| D["buildPython = 3.11 ✓\nmatches app version = 3.11"]
    C -->|"only python3.12+\nor python3.14 found"| E["❌ Build fails\nbuildPython ≠ app Python\n(new hard error in 17.0.0)"]
    D --> F["pip install --only-binary :all:"]
    F --> G["rns @ git+...\n(pure Python → wheel built OK)"]
    F --> H["lxmf @ git+...\n(pure Python → wheel built OK)"]
    F --> I["ble-reticulum @ git+...\n(pure Python → wheel built OK)"]
    F --> J["cryptography>=42.0.0\n(pre-built Android wheel)"]
    F --> K["u-msgpack-python\n(pure Python → wheel built OK)"]
    G & H & I & J & K --> L["APK packaged with\nPython 3.11 runtime"]

_{Last reviewed commit: 65553bd}

Codecov Report

✅ All modified and coverable lines are covered by tests.

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