importtypingfromfastapiimportBackgroundTasks,FastAPI,File,UploadFilefromfastapi.responsesimportFileResponse,Response,JSONResponsefromstarlette.backgroundimportBackgroundTaskimportuvicornapp=FastAPI()@app.get("/with_direct_jsonresponse")asyncdefwith_direct_jsonresponse():returnJSONResponse(content="{'hello':'world']",status_code=408)# 408 will not be documented! Will only show a 200 as per default response class@app.get("with_direct_jsonresponse_and_responses",responses={406:{"description":"in-line 406 response wut?"}})asyncdefwith_direct_jsonresponse_and_responses():returnJSONResponse(content="{'hello':'world']")# This would document both 200 (as per default response class) and 406classCustomJSONResponseWith407(JSONResponse):media_type="application/json"def__init__(self,content:typing.Any,status_code:int=407,headers:typing.Optional[dict]=None,media_type:typing.Optional[str]=None,background:typing.Optional[BackgroundTask]=None,    )->None:super().__init__(content,status_code,headers,media_type,background)@app.get("/with_response_class",response_class=CustomJSONResponseWith407)asyncdefwith_response_class():return {"is this":"a 407?"}# documents only a 407, as the response class is set to that.@app.get("/with_response_class_and_responses",response_class=CustomJSONResponseWith407,responses={406:{"description":"in-line 406 response wut?"}})asyncdefwith_response_class():return {"is this":"a 407?"}# documents only a 407 as the response class is set to that,# But also a 406.if__name__=="__main__":uvicorn.run(app,host="0.0.0.0",port=8000, )

@app.get("/with_response_class_as_streamingresponse",response_class=StreamingResponse)asyncdefwith_response_class_as_streamingresponse():return {"is this":"a 40x?"}

classImageResponse(Response):media_type="image/*"schema= {"something":"another thing"}@app.post("my_route",response_class=ImageResponse,responses={200: {"content": {"image/*": {"schema":ImageResponse.schema        }    }}},)asyncdefsend_g(b:UploadFile=File(...)):return"/tmp/test/b.jpg"

class ImageResponse(fastapi.responses.Response):    media_type = "image/png"@router.get(    "/generate_map",    response_class=ImageResponse,    responses={200: {"content": {"image/png": {"schema": {"type": "string", "format": "binary"}}}}},)