* fix(ws_highway): swallow a mid-stream WebSocketDisconnect quietly
Pre-existing (byte-identical to origin/main), flagged by CodeRabbit on #844: the
outer try's only guard was `except Exception as e: log.exception("highway_ws
unhandled error")`. The inner `except WebSocketDisconnect` covers ONLY the
post-`ready` keep-alive loop, and the drum_tab/notation sends have their own
localized guards — but the ~13 other streamed sends (beats, sections, notes,
chords, anchors, …) fall through to the blanket handler. Since
WebSocketDisconnect is an Exception subclass, a routine tab-close mid-load was
logged as an error at whichever send was in flight.
Fix: a dedicated `except WebSocketDisconnect: return` before the blanket handler,
matching the two localized guards and the lib/ coding guideline.
tests/test_ws_highway_disconnect.py drives highway_ws with a fake websocket that
raises WebSocketDisconnect on the first streamed send (`loading`), over a real
minimal sloppak. Negative-checked: removing the guard makes it fail (the
disconnect is logged as `highway_ws unhandled error`); the fix passes. Uses a
raw handler on `feedBack.server` rather than caplog, since configure_logging()
reroutes that logger through structlog where caplog doesn't observe it.
Full suite green. Closes the review thread on #844.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* test(ws_highway): assert streaming stops after disconnect (exactly one send) — CodeRabbit
The stub now raises only on the first send and the test asserts ws.sends == 1,
so a handler that caught the disconnect and kept streaming would fail. Still
negative-checked: removing the guard fails the test.
---------
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The single largest handler in server.py — the 902-line /ws/highway/{filename}
chart streamer — plus its 3 exclusive helpers (_pick_smart_arrangement,
_sanitize_authors, _sanitized_song_offset). server.py: 9,008 -> 8,003 (-1,005,
the biggest single R3 cut).
Clean move despite the size: the handler's only server-module deps are the 4
path constants + 3 exclusive helpers + app + log. Everything else it uses is
either NESTED inside the handler (_evict_audio_cache, _fill_scale_degree,
_manifest_entries, _tone_names, _xml_rank, _send_keepalives) or imported from
the shared lib modules (song/audio/sloppak/drums/notation/dlc_paths/metadata_db).
- Path constants read through the appstate seam: added static_dir /
sloppak_cache_dir / audio_cache_dir slots (config_dir already there);
server.py configures them. Bodies otherwise verbatim (@app.websocket ->
@router.websocket, PATHS -> appstate.*, log -> module logger).
- sloppak_cache_dir IS setattr-patched, so the 3 test_highway_ws_* suites now
also `setattr(appstate, "sloppak_cache_dir", ...)` next to their existing
server patch. _sanitize_authors unit tests import it from routers.ws_highway
(it moved). No other test churn.
- Removed 23 now-dead imports from server.py (song/audio/drums/notation/
bisect/contextvars/structlog/WebSocket*/_arr_smart_sort_key) — diffed against
the origin/main unused-import baseline so only NEWLY-dead ones went.
owns_tmp (assigned, never read) moved verbatim — it's pre-existing dead on
origin/main too; left as-is to keep the move faithful.
Verified: route table identical to origin/main (143, paths/methods/order);
handler body verbatim spot-checked; pyflakes clean (server has no new
undefined/dead); pytest 2400 passed; packaging guard 53; eslint 0. Boot smoke:
the highway WS streams the full chart (song_info/beats/sections/notes/chords/
notation/anchors/drum_tab -> ready) BYTE-for-byte the same message sequence as
origin/main across arrangements 0/1/2, zero tracebacks.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
