fastapi_background_task_file_write_notification.py

1from fastapi import BackgroundTasks, FastAPI
2
3app = FastAPI()
4
5
6def write_notification(email: str, message=""):
7    with open("log.txt", mode="a") as log:
8        content = f"notification for {email}: {message}\n"
9        log.write(content)
10
11
12@app.post("/send-notification/{email}")
13async def send_notification(email: str, background_tasks: BackgroundTasks):
14    background_tasks.add_task(write_notification, email, message="some notification")
15    return {"message": "Notification sent in the background"}