fastapi-signals
Signalling for FastAPI.
motivation
- https://stackoverflow.com/questions/62031695/how-to-use-background-tasks-with-starlette-when-theres-no-background-object
- https://spectrum.chat/ariadne/general/how-to-use-background-tasks-with-starlette~74d56970-5676-4484-8586-a9384e5f4d56
- https://github.com/encode/starlette/issues/436
usage
add middleware
from fastapi_signals import SignalMiddleware, signal
app = FastAPI()
app.add_midleware(SignalMiddleware, handler=signal)
add handler
from fastapi_signals import signal
import asyncio
@signal.register
async def handler():
asyncio.sleep(3)
print('Heyy, it works!')
fire signal in function
from fastapi_signals import initiate_signal
@app.get("/")
async def endpoint(request):
await initiate_signal('handler',some_data="value")
return {"status":"Success"}
