fix(store): read the core version from disk, not from a stale import - #518
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Updating the core to 3.3.0 and then updating plugins refused all eight sports
scoreboards:
Refusing to install nrl-scoreboard: NRL Scoreboard supports LEDMatrix
>=3.3.0, but this system is running 3.2.0.
while src/__init__.py on that machine read 3.3.0. Observed on hardware, not
theorised.
The gate ran `from src import __version__ as core_version`, which binds
whatever the process loaded at start. The plugin store's gate lives in the web
UI, a long-lived service of its own, and the update route deliberately restarts
nothing -- it replaces files on disk and asks the user to restart. Its prompt
named only the *display* service, so a user who followed it left the web
process holding the previous number.
Stale by exactly one release is the case that bites: every plugin flooring on
the release you just installed is refused, blaming a core version that is
already correct on disk. It reads as a broken plugin store. 3.3.0 is the first
release where this hits a whole family at once, since all eight scoreboards
floor there.
compatibility.current_core_version() reads the version from the file instead,
falling back to the imported value on any failure -- so it can only ever be as
correct as before, never worse. All four gate call sites use it: three in
store_manager (install, the git-pull update path, install_from_url) and one in
plugin_loader's advisory warning.
The restart prompt now names both services.
Twelve tests, including the hardware failure itself: a process holding 3.2.0
while disk says 3.3.0 refuses hockey, and reading fresh allows it. The inverse
is asserted too -- a genuinely old core still refuses, so the gate has not
become permissive. One test greps both modules for the old import-bound read;
reintroducing that line fails it, which is what stops this coming back.
Not changed: web_interface/__init__.py also imports __version__, but for
display rather than gating, and the API endpoint already reports a fresh
git describe.
Up to standards ✅🟢 Issues
|
| Metric | Results |
|---|---|
| Complexity | 4 |
| Duplication | 0 |
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📝 WalkthroughWalkthroughAdds disk-based core version resolution with safe fallbacks. Updates plugin loading and installation compatibility gates to use the current disk version. Adds regression tests and changes the restart prompt to require restarting both display and web services. ChangesCore version freshness
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to Plugin compatibility checks now use the on-disk core version after updates, but an unused import may cause the static-analysis check to fail until removed. Sequence Diagram(s)sequenceDiagram
participant PluginGate as plugin_loader or store_manager
participant Compatibility as compatibility.current_core_version()
participant VersionFile as src/__init__.py
PluginGate->>Compatibility: request core version for compatibility check
Compatibility->>VersionFile: read __version__ from disk
VersionFile-->>Compatibility: return current version
Compatibility-->>PluginGate: provide version to compatibility.check
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 53.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 15 functions across 4 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Inline comments:
In `@src/plugin_system/compatibility.py`:
- Line 30: Remove the unused os import from the module while leaving all other
imports and implementation unchanged.
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src/plugin_system/compatibility.pysrc/plugin_system/plugin_loader.pysrc/plugin_system/store_manager.pytest/test_core_version_freshness.pyweb_interface/templates/v3/base.html
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Left over from a first draft that joined paths by hand before this used pathlib. Flagged by CodeRabbit on #518; confirmed dead -- no os. reference remains in the module.
1 participant
Updating a rig to 3.3.0 and then updating its plugins refused all eight sports scoreboards:
…while
src/__init__.pyon that machine read3.3.0. Observed on hardware, not theorised.Cause
The gate ran
from src import __version__ as core_version, which binds whatever the process loaded at start.The plugin store's gate lives in the web UI — a long-lived service of its own. The update route deliberately restarts nothing (its own comment says so); it replaces files on disk and asks the user to restart. But the prompt named only the display service:
'Update installed — restart the display to run the new code'So a user who does exactly what they're told leaves the web process holding the previous version.
Stale by exactly one release is the case that bites: every plugin flooring on the release you just installed is refused, blaming a core version that is already correct on disk. It reads as a broken plugin store. 3.3.0 is the first release where this hits a whole family at once, since all eight scoreboards floor there.
It did fail safely —
restoring previous version, nothing half-installed — so this is usability, not data loss.Fix
compatibility.current_core_version()reads the version from the file, falling back to the imported value on any failure, so it can only ever be as correct as before, never worse. All four gate call sites use it — three instore_manager(install, the git-pull update path,install_from_url) and one inplugin_loader's advisory warning.The restart prompt now names both services.
Tests
12 new, including the hardware failure as a test: a process holding
3.2.0while disk says3.3.0refuses hockey; reading fresh allows it. The inverse is asserted too — a genuinely old core still refuses, so the gate has not become permissive.One is a call-site guard that greps both modules for the old import-bound read. I verified it bites by reintroducing that line: it failed, and passed again on restore.
Core suite: 3876 passed, 0 failed.
Deliberately not changed
web_interface/__init__.pyalso imports__version__, but for display rather than gating, and the version endpoint already reports a freshgit describe.Summary by CodeRabbit
Bug Fixes
User Experience