`2c94d2b`

Use FastAPI lifespan instead of deprecated on_event

Authored by mfwolffe <wolffemf@dukes.jmu.edu> 2 weeks ago

Status	File	+	-
M	`src/dlm_sway/serve/app.py`	15	6

src/dlm_sway/serve/app.pymodified

      a TestClient.
      """
      try:
 +        from contextlib import asynccontextmanager
++
          from fastapi import FastAPI, HTTPException, Request, status
          from fastapi.responses import JSONResponse
      except ImportError as exc:
      request_count = 0
      total_run_seconds = 0.0
 +    # Capture cache in the lifespan closure so the shutdown leg runs
 +    # ``evict_all`` (the on_event API is deprecated in FastAPI 0.110+).
 +    _cache_for_lifespan = cache
++
 +    @asynccontextmanager
 +    async def _lifespan(app: Any) -> Any:
 +        del app
 +        try:
 +            yield
 +        finally:
 +            _cache_for_lifespan.evict_all()
++
      app = FastAPI(
          title="sway",
          version=__version__,
              "Warm-backend HTTP API for sway. POST /run accepts a spec; "
              "the daemon keeps backends loaded between calls."
          ),
 +        lifespan=_lifespan,
+     )
      # -- auth middleware --------------------------------------------------
              "request_seconds": elapsed,
+         }
 -    # -- shutdown --------------------------------------------------------
+-
 -    @app.on_event("shutdown")
 -    async def _on_shutdown() -> None:
 -        cache.evict_all()
+-
      # Stash the cache + counters on the app so tests can introspect.
      app.state.sway_cache = cache