FastApi middleware on different folder not working

user_13583769 0
Viewed 2909

I,m getting this error when I try to run my FastApi api.

app = cls(app=app, **options) TypeError: 'module' object is not callable

I'm trying to add a middleware on other folder separeted from main.py and don't know why isn't working. Otherwise when I add the middleware code into main.py works without problems. Here is my code, thank you for your help and excuse my english.

main.py

from fastapi import FastAPI
from fastapi import Depends, FastAPI, HTTPException
from fastapi import Request
from routers import rutas
from utils import CheckApiKey
from utils.CheckApiKey import check_api_key

app = FastAPI()
app.add_middleware(CheckApiKey, dispatch=check_api_key) <--- Here calling middleware
app.include_router(rutas.router)


if __name__ == "__main__":
  import uvicorn

  uvicorn.run("main:app", host="127.0.0.1", port=8000, reload=True)

Middleware

from fastapi import Request

async def check_api_key(request: Request, call_next):    

  print("ok")
  response = await call_next(request) 

  return response
fastapi middleware rest api python
2 Answers

I found the solution...I have to create a class that inherite from starlette basehttpmiddleare, like this.

from starlette.middleware.base import BaseHTTPMiddleware


class CheckApiKey(BaseHTTPMiddleware):
 async def dispatch(self, request, call_next):
    print("ok")
    response = await call_next(request)

    return response
user_135837690

The CheckApiKey seems like a python module in your case and check_api_key is the middleware function.

The issue was, the add_middleware() method expects the first argument as a callable function or callable class. But in your case, you were given a module.

So,

Change your statement as,

app.add_middleware(check_api_key)
user_82838480
Related