add celery example

examples/celery/src/task_app/views.py

@@ -0,0 +1,38 @@
+from celery.result import AsyncResult
+from flask import Blueprint
+from flask import request
+
+from . import tasks
+
+bp = Blueprint("tasks", __name__, url_prefix="/tasks")
+
+
+@bp.get("/result/<id>")
+def result(id: str) -> dict[str, object]:
+    result = AsyncResult(id)
+    ready = result.ready()
+    return {
+        "ready": ready,
+        "successful": result.successful() if ready else None,
+        "value": result.get() if ready else result.result,
+    }
+
+
+@bp.post("/add")
+def add() -> dict[str, object]:
+    a = request.form.get("a", type=int)
+    b = request.form.get("b", type=int)
+    result = tasks.add.delay(a, b)
+    return {"result_id": result.id}
+
+
+@bp.post("/block")
+def block() -> dict[str, object]:
+    result = tasks.block.delay()
+    return {"result_id": result.id}
+
+
+@bp.post("/process")
+def process() -> dict[str, object]:
+    result = tasks.process.delay(total=request.form.get("total", type=int))
+    return {"result_id": result.id}