main.py

# https://stackoverflow.com/questions/63400683/python-logging-with-loguru-log-request-params-on-fastapi-app
# https://github.com/tiangolo/fastapi/issues/394


import sys
from fastapi import FastAPI, Request
from pydantic import BaseModel
from typing import List

from loguru import logger
from starlette.routing import Match
from fastapi import FastAPI, APIRouter, Depends
from starlette.types import Message


logger.remove()
logger.add(sys.stdout, colorize=True,
           format="<green>{time:HH:mm:ss}</green> | {level} | <level>{message}</level>")

app = FastAPI()


async def set_body(request: Request, body: bytes):
    async def receive() -> Message:
        return {"type": "http.request", "body": body}
    request._receive = receive


async def get_body(request: Request) -> bytes:
    body = await request.body()
    await set_body(request, body)
    return body


@app.middleware("http")
async def log_middle(request: Request, call_next):
    logger.debug(f"{request.method} {request.url}")
    routes = request.app.router.routes
    logger.debug("Params:")
    for route in routes:
        match, scope = route.matches(request)
        if match == Match.FULL:
            for name, value in scope["path_params"].items():
                logger.debug(f"\t{name}: {value}")
    logger.debug(request.method)
    logger.debug(await get_body(request))
    response = await call_next(request)
    return response


class User(BaseModel):
    id: int
    name: str = "Natsumi"


@app.post("/user/")
def create_user(user: User):
    return {"res": "ok", "ID": user.id, "名前": user.name}