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fix(plugins): put a (re)loading plugin's directory first on sys.path (#663)

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Plugins import their own files by bare name (`from sports import ...`),
which resolves to the first directory on sys.path that has the file. The
loader added a plugin's directory only if it was missing, so on a reload --
a live re-enable from the web UI -- the plugin's directory stayed behind
every plugin loaded since, and its bare imports found their files first.

Seen on ledpi: re-enabling UFC with hockey running failed with "cannot
import name '_status_is_final' from 'sports'" (it got hockey's sports.py).
A loading plugin's directory is now always moved to the front. Every
scoreboard ships its own sports.py, so any of them was exposed on reload.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-09-28 15:02:01 -04:00
committed by GitHub
co-authored by Claude Opus 5.5
parent b8c01c69fb
commit 8557eff88a
3 changed files with 75 additions and 4 deletions
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CHANGELOG.md
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@@ -19,6 +19,7 @@ accepts both, but the store flags the old spelling as deprecated
## Unreleased
- A plugin that is reloaded (switched off and on again from the web UI) imports its own modules again, not another plugin's. Plugins import their own files by bare name (`from sports import ...`), which resolves to the first plugin directory on `sys.path` that has the file; the loader only added a directory that was missing, so a reloaded plugin's directory stayed behind any loaded since. On a Pi, re-enabling UFC with hockey running failed with "cannot import name '_status_is_final' from 'sports'". A loading plugin's directory is now always moved to the front.
- A mypy ratchet in CI. `mypy-clean.txt` lists the 71 modules under `src/` that type-check clean, and the new "Type check (mypy ratchet)" job runs `python scripts/check_types.py` (mypy 1.20.2 on exactly those files) so they stay clean; add a module when you make it clean (see CONTRIBUTING.md). The manual pre-commit `mypy` hook runs the same script. 35 modules were made clean for it with annotation-only fixes, no behaviour change. Their public signatures only widened (`declared_min_version()` now says it returns the manifest's value as-is, `Any`); `DynamicTeamResolver._rankings_cache` is annotated as the abbreviation-to-rank dict it holds. `mypy.ini` treats numpy and orjson as `Any`, so it parses with `python_version = 3.10` against numpy 2.3+ stubs and gives the same result whether orjson is installed or not.
- CI runs the web UI's DOM test suites (jsdom against the real server-rendered pages and API) in a new **Web UI JS tests** job, with the web interface started in emulator mode; `REQUIRE_DOM=1` makes a suite that can't run fail instead of being skipped. Two suites that had gone stale were fixed: the Tools suite now installs `LEDEscape` the way `base.html` does and supplies sample Starlark apps when the server has none, and the Store suite no longer assumes the registry has 48 plugins or fewer.
- `src/plugin_system/store_manager.py` (2,977 lines) is split into mixins: `store_registry.py` (registry, GitHub metadata, search, manifest validation), `store_install.py` (install paths and dependencies) and `store_update.py` (updates, rollback, local git state). `PluginStoreManager` is still imported from `store_manager.py` and has exactly the same methods and attributes; every method body is byte-identical.