Files
bambuddy/backend
maziggy a2c7fd4542 fix(obico): revert POST-bytes approach — Obico /p/ is GET-only
The 0.2.3b4 #1003 "fix" POSTed JPEG bytes as multipart form data,
  but Obico's /p/ endpoint is declared methods=['GET'] upstream and
  reads ?img=URL from the query string. Every POST was 405'd by
  Flask's router before any handler ran, which is why the Obico
  container logs were silent while Bambuddy kept reporting
  "ML API call failed for printer N:" with a blank suffix —
  raise_for_status() on the 405 produced an exception whose str()
  rendered empty.

  Restored the pre-#1003 nonce-URL approach (commit 3e434458):
  capture locally with a 20s timeout we control, stash the JPEG
  under a single-use 32-byte nonce, hand Obico a
  GET /api/v1/obico/cached-frame/{nonce} URL that resolves in
  <50ms so its hardcoded 5s read timeout never races RTSP.

  Also guards against future silent exceptions: the error format
  now falls back to type(exc).__name__ when str(exc) is empty.
  Detection also early-returns with an explicit error if
  external_url is unset instead of handing Obico a URL it can't
  resolve.

  The #1003 reverse-proxy scenario (Authelia/Authentik/CF Access
  in front of Bambuddy) is addressed by documenting that the
  /api/v1/obico/cached-frame/ path must be whitelisted from
  external auth at the proxy layer — it is already public on
  Bambuddy's side.

  Backend: services/obico_detection.py, api/routes/obico.py,
  main.py (PUBLIC_API_PATTERNS).
  Frontend: FailureDetectionSettings banner + client.ts type +
  all 7 locales restored.
  Tests: 15 unit + 5 integration tests pass.
2026-04-18 08:50:46 +02:00
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