Sync fastapi docs from 50fa3f7c on 2026-01-11

docs_src/background_tasks/tutorial002_an.py

@@ -1,27 +0,0 @@
-from typing import Union
-
-from fastapi import BackgroundTasks, Depends, FastAPI
-from typing_extensions import Annotated
-
-app = FastAPI()
-
-
-def write_log(message: str):
-    with open("log.txt", mode="a") as log:
-        log.write(message)
-
-
-def get_query(background_tasks: BackgroundTasks, q: Union[str, None] = None):
-    if q:
-        message = f"found query: {q}\n"
-        background_tasks.add_task(write_log, message)
-    return q
-
-
-@app.post("/send-notification/{email}")
-async def send_notification(
-    email: str, background_tasks: BackgroundTasks, q: Annotated[str, Depends(get_query)]
-):
-    message = f"message to {email}\n"
-    background_tasks.add_task(write_log, message)
-    return {"message": "Message sent"}