fastapi-events fastapi 异步事件分发处理扩展
fastapi-events fastapi 异步事件分发处理扩展，提供了本地，以及远程消息处理能力，同时包含了一些内置的handler，对于自定义handler 也是比较灵活的
参考使用
- app.py
from fastapi import FastAPI
from fastapi.requests import Request
from fastapi.responses import JSONResponse
from fastapi_events.dispatcher import dispatch
from fastapi_events.middleware import EventHandlerASGIMiddleware
from fastapi_events.handlers.local import local_handler
app = FastAPI()
app.add_middleware(EventHandlerASGIMiddleware,
handlers=[local_handler]) # registering handler(s)
@app.get("/")
def index(request: Request) -> JSONResponse:
dispatch("my-fancy-event", payload={"id": 1}) # Emit events anywhere in your code
return JSONResponse()
- 自定义handler 处理
from fastapi_events.handlers.local import local_handler
from fastapi_events.typing import Event
@local_handler.register(event_name="cat*")
def handle_all_cat_events(event: Event):
"""
this handler will match with an events prefixed with `cat`.
ex: "cat_eats_a_fish", "cat_is_cute", etc
"""
# the `event` argument is nothing more than a tuple of event name and payload
event_name, payload = event
# TODO do anything you'd like with the event
@local_handler.register(event_name="cat*") # Tip: You can register several handlers with the same event name
def handle_all_cat_events_another_way(event: Event):
pass
@local_handler.register(event_name="*")
async def handle_all_events(event: Event):
# event handlers can be coroutine function too (`async def`)
pass
说明
在项目中使用此模块可以实现异步的消息处理，实现灵活的业务处理
