from fastapi import FastAPI, Requestimport timeapp = FastAPI()# 自定义中间件@app.middleware("http")asyncdeflog_request_time(request: Request, call_next): start_time = time.time() response = await call_next(re
2.中间件参数:request, call_next,且call_next 它将接收 request 作为参数 @app.middleware("http") async def custom_middleware(request: Request, call_next): logger.info("Before request") response = await call_next(request) # 让请求继续处理 logger.info("After request") # 也可以在返回response之...
app=FastAPI()classLowercaseMiddleware(BaseHTTPMiddleware): asyncdefdispatch(self, request: Request, call_next):#将路径转换为小写request.scope["path"] = request.scope["path"].lower() response=await call_next(request)returnresponse app.add_middleware(LowercaseMiddleware) @app.get("/items/") asyncd...
1.必须使用装饰器@app.middleware("http"),且middleware_type必须为http 2.中间件参数:request, call_next,且call_next它将接收request作为参数 @app.middleware("http") async def custom_middleware(request: Request, call_next): ("Before request") response = await call_next(request) # 让请求继续处理 ...
import uuid from fastapi import FastAPI, Request app = FastAPI() @app.middleware("http") async def add_request_id(request: Request, call_next): request.state.request_id = str(uuid.uuid1()) response = await call_next(request) response.headers["X-Request-ID"] = request.state.request_id...
一个函数 call_next 它将接收 request 作为参数. 这个函数将 request 传递给相应的 路径操作. 然后它将返回由相应的路径操作生成的 response. 然后你可以在返回 response 前进一步修改它. @app.middleware("http") async def add_process_time_header(request: Request, call_next): start_time = time.time()...
一个函数call_next它将接收request作为参数. 这个函数将request传递给相应的路径操作. 然后它将返回由相应的路径操作生成的response. 然后你可以在返回response前进一步修改它. 我们看下如何去实现中间件。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
response = await call_next(request) return response class ThirdMiddleware(BaseHTTPMiddleware): async def dispatch(self, request: Request, call_next): response = await call_next(request) return response # 添加中间件,FirstMiddleware是第一个执行的中间件 ...
该函数接受两个参数,即request和call_next。request参数是fastapi.Request对象,它表示收到的HTTP请求。call_next参数是一个异步函数,它接受一个Request对象作为参数,并返回一个fastapi.Response对象。我们使用call_next(request)来调用下一个中间件或视图函数,并获得返回的响应对象。我们还记录了请求和响应的详细信息,并...
{idem} start request path={request.url.path}")start_time=time.time()response=await call_next(request)process_time=(time.time()-start_time)*1000formatted_process_time='{0:.2f}'.format(process_time)logger.info(f"rid={idem} completed_in={formatted_process_time}ms status_code={response....