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Diffstat (limited to '.venv/lib/python3.12/site-packages/fastapi/background.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/fastapi/background.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/fastapi/background.py b/.venv/lib/python3.12/site-packages/fastapi/background.py new file mode 100644 index 00000000..203578a4 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/fastapi/background.py @@ -0,0 +1,59 @@ +from typing import Any, Callable + +from starlette.background import BackgroundTasks as StarletteBackgroundTasks +from typing_extensions import Annotated, Doc, ParamSpec + +P = ParamSpec("P") + + +class BackgroundTasks(StarletteBackgroundTasks): + """ + A collection of background tasks that will be called after a response has been + sent to the client. + + Read more about it in the + [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/). + + ## Example + + ```python + from fastapi import BackgroundTasks, FastAPI + + app = FastAPI() + + + def write_notification(email: str, message=""): + with open("log.txt", mode="w") as email_file: + content = f"notification for {email}: {message}" + email_file.write(content) + + + @app.post("/send-notification/{email}") + async def send_notification(email: str, background_tasks: BackgroundTasks): + background_tasks.add_task(write_notification, email, message="some notification") + return {"message": "Notification sent in the background"} + ``` + """ + + def add_task( + self, + func: Annotated[ + Callable[P, Any], + Doc( + """ + The function to call after the response is sent. + + It can be a regular `def` function or an `async def` function. + """ + ), + ], + *args: P.args, + **kwargs: P.kwargs, + ) -> None: + """ + Add a function to be called in the background after the response is sent. + + Read more about it in the + [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/). + """ + return super().add_task(func, *args, **kwargs) |